www.computersforlearning.gov - robtex.com

www.computersforlearning.gov

DNSSEC⚠️ Not signed
A2600:9000:294e:2200:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A2600:9000:294e:b000:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A2600:9000:294e:ba00:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A2600:9000:294e:cc00:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A2600:9000:294e:d800:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A2600:9000:294e:ee00:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A2600:9000:294e:f200:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A2600:9000:294e:fe00:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A18.155.21.46🇺🇸 Amazon18.155.16.0/21
A18.155.21.55🇺🇸 Amazon18.155.16.0/21
A18.155.21.70🇺🇸 Amazon18.155.16.0/21
A18.155.21.102🇺🇸 Amazon18.155.16.0/21

computersforlearning.gov

DNSSEC⚠️ Not signed
A2600:9000:294e:2800:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A2600:9000:294e:4400:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A2600:9000:294e:5000:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A2600:9000:294e:7000:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A2600:9000:294e:7a00:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A2600:9000:294e:7e00:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A2600:9000:294e:a800:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A2600:9000:294e:f800:b:6f66:73c0:93a1🇺🇸 Amazon2600:9000:294e::/48
A18.155.21.46🇺🇸 Amazon18.155.16.0/21
A18.155.21.55🇺🇸 Amazon18.155.16.0/21
A18.155.21.70🇺🇸 Amazon18.155.16.0/21
A18.155.21.102🇺🇸 Amazon18.155.16.0/21
NSns-923.awsdns-51.net ⭐
NSns-1252.awsdns-28.org
NSns-1639.awsdns-12.co.uk
NSns-19.awsdns-02.com
TXTv=spf1 -all
SOAns-923.awsdns-51.nethostmaster@gsa.gov serial=1
WOT: SAFE (92/100)
🔒 HSTS Preload (+subdomains)
WOT: SAFE (92/100)
📈 Tranco rank: #645,325

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DNS History

91 records (12 active, 79 former)

20162017201820192020202120222023202420252026NSdns.gsa.govdns2.gsa.govdns3.gsa.govdns4.gsa.govdns5.gsa.govA18.155.21.10218.155.21.4618.155.21.5518.155.21.702600:9000:294e:2200:b:6f66:73c0:93a12600:9000:294e:b000:b:6f66:73c0:93a12600:9000:294e:ba00:b:6f66:73c0:93a12600:9000:294e:cc00:b:6f66:73c0:93a12600:9000:294e:d800:b:6f66:73c0:93a12600:9000:294e:ee00:b:6f66:73c0:93a12600:9000:294e:f200:b:6f66:73c0:93a12600:9000:294e:fe00:b:6f66:73c0:93a1159.142.4.10918.245.253.1718.245.253.3118.245.253.6618.245.253.732600:9000:215a:6400:b:6f66:73c0:93a12600:9000:215a:7800:b:6f66:73c0:93a12600:9000:215a:9600:b:6f66:73c0:93a12600:9000:215a:9a00:b:6f66:73c0:93a12600:9000:215a:a400:b:6f66:73c0:93a12600:9000:215a:c000:b:6f66:73c0:93a12600:9000:215a:c400:b:6f66:73c0:93a12600:9000:215a:d000:b:6f66:73c0:93a12600:9000:2682:1600:b:6f66:73c0:93a12600:9000:2682:200:b:6f66:73c0:93a12600:9000:2682:3a00:b:6f66:73c0:93a12600:9000:2682:4800:b:6f66:73c0:93a12600:9000:2682:5c00:b:6f66:73c0:93a12600:9000:2682:5e00:b:6f66:73c0:93a12600:9000:2682:6400:b:6f66:73c0:93a12600:9000:2682:7200:b:6f66:73c0:93a12600:9000:2682:7400:b:6f66:73c0:93a12600:9000:2682:8200:b:6f66:73c0:93a12600:9000:2682:9400:b:6f66:73c0:93a12600:9000:2682:ac00:b:6f66:73c0:93a12600:9000:2682:b000:b:6f66:73c0:93a12600:9000:2682:b200:b:6f66:73c0:93a12600:9000:2682:b600:b:6f66:73c0:93a12600:9000:2682:ba00:b:6f66:73c0:93a12600:9000:2682:c00:b:6f66:73c0:93a12600:9000:2682:c400:b:6f66:73c0:93a12600:9000:2682:cc00:b:6f66:73c0:93a12600:9000:2682:d200:b:6f66:73c0:93a12600:9000:2682:dc00:b:6f66:73c0:93a12600:9000:2682:fc00:b:6f66:73c0:93a12600:9000:278f:3c00:b:6f66:73c0:93a12600:9000:278f:3e00:b:6f66:73c0:93a12600:9000:278f:8600:b:6f66:73c0:93a12600:9000:278f:b000:b:6f66:73c0:93a12600:9000:278f:b800:b:6f66:73c0:93a12600:9000:278f:c800:b:6f66:73c0:93a12600:9000:278f:d000:b:6f66:73c0:93a12600:9000:278f:f400:b:6f66:73c0:93a12600:9000:294e:2000:b:6f66:73c0:93a12600:9000:294e:2400:b:6f66:73c0:93a12600:9000:294e:2e00:b:6f66:73c0:93a12600:9000:294e:3c00:b:6f66:73c0:93a12600:9000:294e:5c00:b:6f66:73c0:93a12600:9000:294e:7000:b:6f66:73c0:93a12600:9000:294e:8400:b:6f66:73c0:93a12600:9000:294e:8a00:b:6f66:73c0:93a12600:9000:294e:8c00:b:6f66:73c0:93a12600:9000:294e:8e00:b:6f66:73c0:93a12600:9000:294e:9200:b:6f66:73c0:93a12600:9000:294e:a600:b:6f66:73c0:93a12600:9000:294e:ae00:b:6f66:73c0:93a12600:9000:294e:c00:b:6f66:73c0:93a12600:9000:294e:c000:b:6f66:73c0:93a12600:9000:294e:c600:b:6f66:73c0:93a12600:9000:294e:ce00:b:6f66:73c0:93a12600:9000:294e:d600:b:6f66:73c0:93a12600:9000:294e:da00:b:6f66:73c0:93a12600:9000:294e:dc00:b:6f66:73c0:93a12600:9000:294e:ec00:b:6f66:73c0:93a12620:0:150:6000::4:1093.164.206.1203.164.206.483.164.206.743.164.206.7652.85.193.4252.85.193.8052.85.193.8852.85.193.98CNAMEcomputersforlearning.gov
○NSdns.gsa.gov2015-10-20 → 2017-01-30 · 4 obs
● 2015-10-20 20:03:14
● 2017-01-30 18:56:04
○ 2021-10-24 00:15:54
○ 2026-03-30 01:50:00
○NSdns2.gsa.gov2015-10-20 → 2017-01-30 · 4 obs
● 2015-10-20 20:03:14
● 2017-01-30 18:56:04
○ 2021-10-24 00:15:54
○ 2026-03-30 01:50:00
○NSdns3.gsa.gov2015-10-20 → 2017-01-30 · 4 obs
● 2015-10-20 20:03:14
● 2017-01-30 18:56:04
○ 2021-10-24 00:15:54
○ 2026-03-30 01:50:00
○NSdns4.gsa.gov2015-10-20 → 2017-01-30 · 4 obs
● 2015-10-20 20:03:14
● 2017-01-30 18:56:04
○ 2021-10-24 00:15:54
○ 2026-03-30 01:50:00
○NSdns5.gsa.gov2015-10-20 → 2017-01-30 · 4 obs
● 2015-10-20 20:03:14
● 2017-01-30 18:56:04
○ 2021-10-24 00:15:54
○ 2026-03-30 01:50:00
○A159.142.4.1092015-06-10 → 2017-01-30 · 4 obs
● 2015-06-10 03:30:26
● 2017-01-30 18:56:04
○ 2021-10-24 00:15:54
○ 2026-03-30 01:50:00
●A18.155.21.1022026-03-28 → 2026-03-30 · 6 obs
○ 2026-03-28 13:56:30
● 2026-03-28 17:12:38
● 2026-03-28 21:36:40
○ 2026-03-29 02:25:00
● 2026-03-29 21:50:24
● 2026-03-30 01:50:00
●A18.155.21.462026-03-28 → 2026-03-30 · 6 obs
○ 2026-03-28 13:56:30
● 2026-03-28 17:12:38
● 2026-03-28 21:36:40
○ 2026-03-29 02:25:00
● 2026-03-29 21:50:24
● 2026-03-30 01:50:00
●A18.155.21.552026-03-28 → 2026-03-30 · 6 obs
○ 2026-03-28 13:56:30
● 2026-03-28 17:12:38
● 2026-03-28 21:36:40
○ 2026-03-29 02:25:00
● 2026-03-29 21:50:24
● 2026-03-30 01:50:00
●A18.155.21.702026-03-28 → 2026-03-30 · 6 obs
○ 2026-03-28 13:56:30
● 2026-03-28 17:12:38
● 2026-03-28 21:36:40
○ 2026-03-29 02:25:00
● 2026-03-29 21:50:24
● 2026-03-30 01:50:00
○A18.245.253.172026-03-26 → 2026-03-29 · 9 obs
○ 2026-03-25 11:11:26
● 2026-03-26 04:08:38
○ 2026-03-28 04:29:16
● 2026-03-28 13:56:30
○ 2026-03-28 17:12:38
○ 2026-03-28 21:36:40
● 2026-03-29 02:25:00
○ 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A18.245.253.312026-03-26 → 2026-03-29 · 9 obs
○ 2026-03-25 11:11:26
● 2026-03-26 04:08:38
○ 2026-03-28 04:29:16
● 2026-03-28 13:56:30
○ 2026-03-28 17:12:38
○ 2026-03-28 21:36:40
● 2026-03-29 02:25:00
○ 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A18.245.253.662026-03-26 → 2026-03-29 · 9 obs
○ 2026-03-25 11:11:26
● 2026-03-26 04:08:38
○ 2026-03-28 04:29:16
● 2026-03-28 13:56:30
○ 2026-03-28 17:12:38
○ 2026-03-28 21:36:40
● 2026-03-29 02:25:00
○ 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A18.245.253.732026-03-26 → 2026-03-29 · 9 obs
○ 2026-03-25 11:11:26
● 2026-03-26 04:08:38
○ 2026-03-28 04:29:16
● 2026-03-28 13:56:30
○ 2026-03-28 17:12:38
○ 2026-03-28 21:36:40
● 2026-03-29 02:25:00
○ 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:215a:6400:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-26 04:08:38
● 2026-03-28 04:29:16
○ 2026-03-28 13:56:30
○ 2026-03-30 01:50:00
○A2600:9000:215a:7800:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-26 04:08:38
● 2026-03-28 04:29:16
○ 2026-03-28 13:56:30
○ 2026-03-30 01:50:00
○A2600:9000:215a:9600:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-26 04:08:38
● 2026-03-28 04:29:16
○ 2026-03-28 13:56:30
○ 2026-03-30 01:50:00
○A2600:9000:215a:9a00:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-26 04:08:38
● 2026-03-28 04:29:16
○ 2026-03-28 13:56:30
○ 2026-03-30 01:50:00
○A2600:9000:215a:a400:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-26 04:08:38
● 2026-03-28 04:29:16
○ 2026-03-28 13:56:30
○ 2026-03-30 01:50:00
○A2600:9000:215a:c000:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-26 04:08:38
● 2026-03-28 04:29:16
○ 2026-03-28 13:56:30
○ 2026-03-30 01:50:00
○A2600:9000:215a:c400:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-26 04:08:38
● 2026-03-28 04:29:16
○ 2026-03-28 13:56:30
○ 2026-03-30 01:50:00
○A2600:9000:215a:d000:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-26 04:08:38
● 2026-03-28 04:29:16
○ 2026-03-28 13:56:30
○ 2026-03-30 01:50:00
○A2600:9000:2682:1600:b:6f66:73c0:93a12026-03-28 → 2026-03-29 · 7 obs
○ 2026-03-28 04:29:16
● 2026-03-28 13:56:30
○ 2026-03-28 17:12:38
○ 2026-03-28 21:36:40
● 2026-03-29 02:25:00
○ 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:2682:200:b:6f66:73c0:93a12026-03-29 → 2026-03-29 · 4 obs
○ 2026-03-28 21:36:40
● 2026-03-29 02:25:00
○ 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:2682:3a00:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 04:29:16
● 2026-03-28 13:56:30
○ 2026-03-28 17:12:38
○ 2026-03-30 01:50:00
○A2600:9000:2682:4800:b:6f66:73c0:93a12026-03-29 → 2026-03-29 · 4 obs
○ 2026-03-28 21:36:40
● 2026-03-29 02:25:00
○ 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:2682:5c00:b:6f66:73c0:93a12026-03-26 → 2026-03-26 · 4 obs
○ 2026-03-25 11:11:26
● 2026-03-26 04:08:38
○ 2026-03-28 04:29:16
○ 2026-03-30 01:50:00
○A2600:9000:2682:5e00:b:6f66:73c0:93a12026-03-29 → 2026-03-29 · 4 obs
○ 2026-03-28 21:36:40
● 2026-03-29 02:25:00
○ 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:2682:6400:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 04:29:16
● 2026-03-28 13:56:30
○ 2026-03-28 17:12:38
○ 2026-03-30 01:50:00
○A2600:9000:2682:7200:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 04:29:16
● 2026-03-28 13:56:30
○ 2026-03-28 17:12:38
○ 2026-03-30 01:50:00
○A2600:9000:2682:7400:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 04:29:16
● 2026-03-28 13:56:30
○ 2026-03-28 17:12:38
○ 2026-03-30 01:50:00
○A2600:9000:2682:8200:b:6f66:73c0:93a12026-03-26 → 2026-03-29 · 7 obs
○ 2026-03-25 11:11:26
● 2026-03-26 04:08:38
○ 2026-03-28 04:29:16
○ 2026-03-28 21:36:40
● 2026-03-29 02:25:00
○ 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:2682:9400:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 04:29:16
● 2026-03-28 13:56:30
○ 2026-03-28 17:12:38
○ 2026-03-30 01:50:00
○A2600:9000:2682:ac00:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 04:29:16
● 2026-03-28 13:56:30
○ 2026-03-28 17:12:38
○ 2026-03-30 01:50:00
○A2600:9000:2682:b000:b:6f66:73c0:93a12026-03-26 → 2026-03-26 · 4 obs
○ 2026-03-25 11:11:26
● 2026-03-26 04:08:38
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○ 2026-03-30 01:50:00
○A2600:9000:2682:b200:b:6f66:73c0:93a12026-03-26 → 2026-03-26 · 4 obs
○ 2026-03-25 11:11:26
● 2026-03-26 04:08:38
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○ 2026-03-30 01:50:00
○A2600:9000:2682:b600:b:6f66:73c0:93a12026-03-26 → 2026-03-26 · 4 obs
○ 2026-03-25 11:11:26
● 2026-03-26 04:08:38
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○A2600:9000:2682:ba00:b:6f66:73c0:93a12026-03-26 → 2026-03-26 · 4 obs
○ 2026-03-25 11:11:26
● 2026-03-26 04:08:38
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○A2600:9000:2682:c00:b:6f66:73c0:93a12026-03-26 → 2026-03-26 · 4 obs
○ 2026-03-25 11:11:26
● 2026-03-26 04:08:38
○ 2026-03-28 04:29:16
○ 2026-03-30 01:50:00
○A2600:9000:2682:c400:b:6f66:73c0:93a12026-03-29 → 2026-03-29 · 4 obs
○ 2026-03-28 21:36:40
● 2026-03-29 02:25:00
○ 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:2682:cc00:b:6f66:73c0:93a12026-03-29 → 2026-03-29 · 4 obs
○ 2026-03-28 21:36:40
● 2026-03-29 02:25:00
○ 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:2682:d200:b:6f66:73c0:93a12026-03-26 → 2026-03-26 · 4 obs
○ 2026-03-25 11:11:26
● 2026-03-26 04:08:38
○ 2026-03-28 04:29:16
○ 2026-03-30 01:50:00
○A2600:9000:2682:dc00:b:6f66:73c0:93a12026-03-29 → 2026-03-29 · 4 obs
○ 2026-03-28 21:36:40
● 2026-03-29 02:25:00
○ 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:2682:fc00:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 04:29:16
● 2026-03-28 13:56:30
○ 2026-03-28 17:12:38
○ 2026-03-30 01:50:00
○A2600:9000:278f:3c00:b:6f66:73c0:93a12026-03-25 → 2026-03-25 · 4 obs
○ 2021-10-24 00:15:54
● 2026-03-25 11:11:26
○ 2026-03-26 04:08:38
○ 2026-03-30 01:50:00
○A2600:9000:278f:3e00:b:6f66:73c0:93a12026-03-25 → 2026-03-25 · 4 obs
○ 2021-10-24 00:15:54
● 2026-03-25 11:11:26
○ 2026-03-26 04:08:38
○ 2026-03-30 01:50:00
○A2600:9000:278f:8600:b:6f66:73c0:93a12026-03-25 → 2026-03-25 · 4 obs
○ 2021-10-24 00:15:54
● 2026-03-25 11:11:26
○ 2026-03-26 04:08:38
○ 2026-03-30 01:50:00
○A2600:9000:278f:b000:b:6f66:73c0:93a12026-03-25 → 2026-03-25 · 4 obs
○ 2021-10-24 00:15:54
● 2026-03-25 11:11:26
○ 2026-03-26 04:08:38
○ 2026-03-30 01:50:00
○A2600:9000:278f:b800:b:6f66:73c0:93a12026-03-25 → 2026-03-25 · 4 obs
○ 2021-10-24 00:15:54
● 2026-03-25 11:11:26
○ 2026-03-26 04:08:38
○ 2026-03-30 01:50:00
○A2600:9000:278f:c800:b:6f66:73c0:93a12026-03-25 → 2026-03-25 · 4 obs
○ 2021-10-24 00:15:54
● 2026-03-25 11:11:26
○ 2026-03-26 04:08:38
○ 2026-03-30 01:50:00
○A2600:9000:278f:d000:b:6f66:73c0:93a12026-03-25 → 2026-03-25 · 4 obs
○ 2021-10-24 00:15:54
● 2026-03-25 11:11:26
○ 2026-03-26 04:08:38
○ 2026-03-30 01:50:00
○A2600:9000:278f:f400:b:6f66:73c0:93a12026-03-25 → 2026-03-25 · 4 obs
○ 2021-10-24 00:15:54
● 2026-03-25 11:11:26
○ 2026-03-26 04:08:38
○ 2026-03-30 01:50:00
○A2600:9000:294e:2000:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 13:56:30
● 2026-03-28 17:12:38
○ 2026-03-28 21:36:40
○ 2026-03-30 01:50:00
●A2600:9000:294e:2200:b:6f66:73c0:93a12026-03-30 → 2026-03-30 · 2 obs
○ 2026-03-29 21:50:24
● 2026-03-30 01:50:00
○A2600:9000:294e:2400:b:6f66:73c0:93a12026-03-29 → 2026-03-29 · 3 obs
○ 2026-03-29 02:25:00
● 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:294e:2e00:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 13:56:30
● 2026-03-28 17:12:38
○ 2026-03-28 21:36:40
○ 2026-03-30 01:50:00
○A2600:9000:294e:3c00:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 13:56:30
● 2026-03-28 17:12:38
○ 2026-03-28 21:36:40
○ 2026-03-30 01:50:00
○A2600:9000:294e:5c00:b:6f66:73c0:93a12026-03-29 → 2026-03-29 · 3 obs
○ 2026-03-29 02:25:00
● 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:294e:7000:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 17:12:38
● 2026-03-28 21:36:40
○ 2026-03-29 02:25:00
○ 2026-03-30 01:50:00
○A2600:9000:294e:8400:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 5 obs
○ 2026-03-28 13:56:30
● 2026-03-28 17:12:38
● 2026-03-28 21:36:40
○ 2026-03-29 02:25:00
○ 2026-03-30 01:50:00
○A2600:9000:294e:8a00:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 17:12:38
● 2026-03-28 21:36:40
○ 2026-03-29 02:25:00
○ 2026-03-30 01:50:00
○A2600:9000:294e:8c00:b:6f66:73c0:93a12026-03-29 → 2026-03-29 · 3 obs
○ 2026-03-29 02:25:00
● 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:294e:8e00:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 17:12:38
● 2026-03-28 21:36:40
○ 2026-03-29 02:25:00
○ 2026-03-30 01:50:00
○A2600:9000:294e:9200:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 13:56:30
● 2026-03-28 17:12:38
○ 2026-03-28 21:36:40
○ 2026-03-30 01:50:00
○A2600:9000:294e:a600:b:6f66:73c0:93a12026-03-29 → 2026-03-29 · 3 obs
○ 2026-03-29 02:25:00
● 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:294e:ae00:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 13:56:30
● 2026-03-28 17:12:38
○ 2026-03-28 21:36:40
○ 2026-03-30 01:50:00
●A2600:9000:294e:b000:b:6f66:73c0:93a12026-03-30 → 2026-03-30 · 2 obs
○ 2026-03-29 21:50:24
● 2026-03-30 01:50:00
●A2600:9000:294e:ba00:b:6f66:73c0:93a12026-03-30 → 2026-03-30 · 2 obs
○ 2026-03-29 21:50:24
● 2026-03-30 01:50:00
○A2600:9000:294e:c00:b:6f66:73c0:93a12026-03-28 → 2026-03-29 · 6 obs
○ 2026-03-28 13:56:30
● 2026-03-28 17:12:38
● 2026-03-28 21:36:40
○ 2026-03-29 02:25:00
● 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:294e:c000:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 17:12:38
● 2026-03-28 21:36:40
○ 2026-03-29 02:25:00
○ 2026-03-30 01:50:00
○A2600:9000:294e:c600:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 17:12:38
● 2026-03-28 21:36:40
○ 2026-03-29 02:25:00
○ 2026-03-30 01:50:00
●A2600:9000:294e:cc00:b:6f66:73c0:93a12026-03-30 → 2026-03-30 · 2 obs
○ 2026-03-29 21:50:24
● 2026-03-30 01:50:00
○A2600:9000:294e:ce00:b:6f66:73c0:93a12026-03-29 → 2026-03-29 · 3 obs
○ 2026-03-29 02:25:00
● 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:294e:d600:b:6f66:73c0:93a12026-03-29 → 2026-03-29 · 3 obs
○ 2026-03-29 02:25:00
● 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
●A2600:9000:294e:d800:b:6f66:73c0:93a12026-03-30 → 2026-03-30 · 2 obs
○ 2026-03-29 21:50:24
● 2026-03-30 01:50:00
○A2600:9000:294e:da00:b:6f66:73c0:93a12026-03-29 → 2026-03-29 · 3 obs
○ 2026-03-29 02:25:00
● 2026-03-29 21:50:24
○ 2026-03-30 01:50:00
○A2600:9000:294e:dc00:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 17:12:38
● 2026-03-28 21:36:40
○ 2026-03-29 02:25:00
○ 2026-03-30 01:50:00
○A2600:9000:294e:ec00:b:6f66:73c0:93a12026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-28 13:56:30
● 2026-03-28 17:12:38
○ 2026-03-28 21:36:40
○ 2026-03-30 01:50:00
●A2600:9000:294e:ee00:b:6f66:73c0:93a12026-03-30 → 2026-03-30 · 2 obs
○ 2026-03-29 21:50:24
● 2026-03-30 01:50:00
●A2600:9000:294e:f200:b:6f66:73c0:93a12026-03-30 → 2026-03-30 · 2 obs
○ 2026-03-29 21:50:24
● 2026-03-30 01:50:00
●A2600:9000:294e:fe00:b:6f66:73c0:93a12026-03-30 → 2026-03-30 · 2 obs
○ 2026-03-29 21:50:24
● 2026-03-30 01:50:00
○A2620:0:150:6000::4:1092015-06-10 → 2017-01-30 · 4 obs
● 2015-06-10 03:30:26
● 2017-01-30 18:56:04
○ 2021-10-24 00:15:54
○ 2026-03-30 01:50:00
○A3.164.206.1202026-03-25 → 2026-03-25 · 4 obs
○ 2021-10-24 00:15:54
● 2026-03-25 11:11:26
○ 2026-03-26 04:08:38
○ 2026-03-30 01:50:00
○A3.164.206.482026-03-25 → 2026-03-25 · 4 obs
○ 2021-10-24 00:15:54
● 2026-03-25 11:11:26
○ 2026-03-26 04:08:38
○ 2026-03-30 01:50:00
○A3.164.206.742026-03-25 → 2026-03-25 · 4 obs
○ 2021-10-24 00:15:54
● 2026-03-25 11:11:26
○ 2026-03-26 04:08:38
○ 2026-03-30 01:50:00
○A3.164.206.762026-03-25 → 2026-03-25 · 4 obs
○ 2021-10-24 00:15:54
● 2026-03-25 11:11:26
○ 2026-03-26 04:08:38
○ 2026-03-30 01:50:00
○A52.85.193.422026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-26 04:08:38
● 2026-03-28 04:29:16
○ 2026-03-28 13:56:30
○ 2026-03-30 01:50:00
○A52.85.193.802026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-26 04:08:38
● 2026-03-28 04:29:16
○ 2026-03-28 13:56:30
○ 2026-03-30 01:50:00
○A52.85.193.882026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-26 04:08:38
● 2026-03-28 04:29:16
○ 2026-03-28 13:56:30
○ 2026-03-30 01:50:00
○A52.85.193.982026-03-28 → 2026-03-28 · 4 obs
○ 2026-03-26 04:08:38
● 2026-03-28 04:29:16
○ 2026-03-28 13:56:30
○ 2026-03-30 01:50:00
○CNAMEcomputersforlearning.gov2015-06-10 → 2021-10-24 · 4 obs
● 2015-06-10 03:30:26
● 2021-10-24 00:15:54
○ 2026-03-25 11:11:26
○ 2026-03-30 01:50:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
govc.ns.gov, a.ns.gov, d.ns.gov, b.ns.gov-
computersforlearning.govns-1252.awsdns-28.org, ns-1639.awsdns-12.co.uk, ns-19.awsdns-02.com, ns-923.awsdns-51.net-

✅ Authoritative Response

Server:205.251.192.19

NS records: ns-1252.awsdns-28.org, ns-1639.awsdns-12.co.uk, ns-19.awsdns-02.com, ns-923.awsdns-51.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for computersforlearning.gov (unsigned zone)

⏱️ Timing

Total: 344ms | Queries: -

📄 Records

TypeCountSample Data
A418.155.21.55, 18.155.21.102...
AAAA82600:9000:294e:2800:b:6f66:73c0:93a1, 2600:9000:294e:8000:b:6f66:73c0:93a1...

Analysis

IP Addresses

www.computersforlearning.gov points to twelve IP numbers: 2600:9000:294e:2200:b:6f66:73c0:93a1, 2600:9000:294e:b000:b:6f66:73c0:93a1, 2600:9000:294e:ba00:b:6f66:73c0:93a1, 2600:9000:294e:cc00:b:6f66:73c0:93a1, 2600:9000:294e:d800:b:6f66:73c0:93a1, 2600:9000:294e:ee00:b:6f66:73c0:93a1, 2600:9000:294e:f200:b:6f66:73c0:93a1, 2600:9000:294e:fe00:b:6f66:73c0:93a1, 18.155.21.46, 18.155.21.55, 18.155.21.70 and 18.155.21.102.

other host names for instance www.jobtestprep.de, webform-euc.freshsales.io, d2oq6m3o9t9zed.cloudfront.net, zynerd.com and ssgj22.vip share IP numbers with www.computersforlearning.gov.