jfocusedu.com - robtex.com

jfocusedu.com

DNSSEC⚠️ Not signed
A3.5.184.180🇰🇷 Amazon3.5.184.0/23 AWS S3
A3.5.185.37🇰🇷 Amazon3.5.184.0/23 AWS S3
A3.5.185.50🇰🇷 Amazon3.5.184.0/23 AWS S3
A3.5.185.108🇰🇷 Amazon3.5.184.0/23 AWS S3
A3.5.187.103🇰🇷 Amazon3.5.186.0/23 AWS S3
A3.5.189.45🇰🇷 Amazon3.5.188.0/23 AWS S3
A3.5.189.98🇰🇷 Amazon3.5.188.0/23 AWS S3
A52.219.146.92🇰🇷 Amazon52.219.146.0/24 AWS S3
NSns-2.awsdns-00.com ⭐
A2600:9000:5300:200::1🇺🇸 Amazon2600:9000:5300::/48 - CloudFront
PTRns-2.awsdns-00.com
A205.251.192.2🇺🇸 Amazon205.251.192.0/24 prefix
PTRns-2.awsdns-00.com
NSns-1212.awsdns-23.org
A2600:9000:5304:bc00::1🇺🇸 Amazon2600:9000:5304::/48 - CloudFront
PTRns-1212.awsdns-23.org
A205.251.196.188🇺🇸 Amazon205.251.196.0/24 prefix
PTRns-1212.awsdns-23.org
NSns-1802.awsdns-33.co.uk
A2600:9000:5307:a00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-1802.awsdns-33.co.uk
A205.251.199.10🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-1802.awsdns-33.co.uk
NSns-633.awsdns-15.net
A2600:9000:5302:7900::1🇺🇸 Amazon2600:9000:5302::/48 - CloudFront
PTRns-633.awsdns-15.net
A205.251.194.121🇺🇸 Amazon205.251.194.0/24 prefix
PTRns-633.awsdns-15.net
SOAns-2.awsdns-00.comawsdns-hostmaster@amazon.com serial=1

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1771291435

Same first word

jfocusedu.com

DNS History

77 records (12 active, 65 former)

NSns-1212.awsdns-23.orgns-1802.awsdns-33.co.ukns-2.awsdns-00.comns-633.awsdns-15.netA3.5.184.1803.5.185.1083.5.185.373.5.185.503.5.187.1033.5.189.453.5.189.9852.219.146.923.5.185.1053.5.185.1073.5.185.1153.5.185.1193.5.185.1203.5.185.1213.5.185.1223.5.185.133.5.185.173.5.185.253.5.185.523.5.185.593.5.185.613.5.185.623.5.185.743.5.185.773.5.185.793.5.185.973.5.185.983.5.186.13.5.186.1703.5.186.2293.5.187.1003.5.187.1083.5.187.1203.5.187.1243.5.187.313.5.187.433.5.187.633.5.187.763.5.187.863.5.187.953.5.188.1153.5.188.1353.5.188.493.5.189.1043.5.189.1053.5.189.1073.5.189.1213.5.189.1253.5.189.213.5.189.423.5.189.483.5.189.663.5.189.73.5.189.773.5.189.8552.219.144.6852.219.144.8852.219.146.152.219.146.8052.219.148.4852.219.202.6452.219.204.1652.219.204.4852.219.204.5252.219.204.6452.219.204.852.219.204.8052.219.206.3252.219.206.4452.219.206.4852.219.206.7252.219.206.8852.219.56.144
●NSns-1212.awsdns-23.org2026-02-15 → 2026-03-22 · 2 obs
● 2026-02-15 16:11:32
● 2026-03-22 16:41:48
●NSns-1802.awsdns-33.co.uk2026-02-15 → 2026-03-22 · 2 obs
● 2026-02-15 16:11:32
● 2026-03-22 16:41:48
●NSns-2.awsdns-00.com2026-02-15 → 2026-03-22 · 2 obs
● 2026-02-15 16:11:32
● 2026-03-22 16:41:48
●NSns-633.awsdns-15.net2026-02-15 → 2026-03-22 · 2 obs
● 2026-02-15 16:11:32
● 2026-03-22 16:41:48
●A3.5.184.1802026-02-16 → 2026-03-22 · 8 obs
○ 2026-02-15 16:11:32
● 2026-02-16 03:49:04
○ 2026-02-16 22:32:20
○ 2026-03-10 03:45:12
● 2026-03-15 18:06:06
○ 2026-03-17 03:48:54
○ 2026-03-22 02:13:36
● 2026-03-22 16:41:48
○A3.5.185.1052026-03-17 → 2026-03-17 · 4 obs
○ 2026-03-15 18:06:06
● 2026-03-17 03:48:54
○ 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
○A3.5.185.1072026-02-16 → 2026-02-16 · 5 obs
○ 2026-02-15 16:11:32
○ 2026-02-16 03:49:04
● 2026-02-16 22:32:20
○ 2026-02-19 18:07:08
○ 2026-03-22 16:41:48
●A3.5.185.1082026-02-19 → 2026-03-22 · 5 obs
○ 2026-02-16 22:32:20
● 2026-02-19 18:07:08
○ 2026-03-07 08:21:56
○ 2026-03-22 02:13:36
● 2026-03-22 16:41:48
○A3.5.185.1152026-03-17 → 2026-03-22 · 4 obs
○ 2026-03-15 18:06:06
● 2026-03-17 03:48:54
● 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
○A3.5.185.1192026-02-16 → 2026-03-22 · 6 obs
○ 2026-02-16 03:49:04
● 2026-02-16 22:32:20
○ 2026-02-19 18:07:08
○ 2026-03-17 03:48:54
● 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
○A3.5.185.1202026-03-08 → 2026-03-08 · 4 obs
○ 2026-03-07 08:21:56
● 2026-03-08 10:20:44
○ 2026-03-10 03:45:12
○ 2026-03-22 16:41:48
○A3.5.185.1212026-02-16 → 2026-02-16 · 4 obs
○ 2026-02-15 16:11:32
● 2026-02-16 03:49:04
○ 2026-02-16 22:32:20
○ 2026-03-22 16:41:48
○A3.5.185.1222026-03-07 → 2026-03-07 · 4 obs
○ 2026-02-19 18:07:08
● 2026-03-07 08:21:56
○ 2026-03-08 10:20:44
○ 2026-03-22 16:41:48
○A3.5.185.132026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 16:11:32
○ 2026-02-16 03:49:04
○ 2026-03-22 16:41:48
○A3.5.185.172026-02-19 → 2026-02-19 · 4 obs
○ 2026-02-16 22:32:20
● 2026-02-19 18:07:08
○ 2026-03-07 08:21:56
○ 2026-03-22 16:41:48
○A3.5.185.252026-02-15 → 2026-03-22 · 2 obs
○ 2026-02-15 16:11:32
○ 2026-03-22 16:41:48
●A3.5.185.372026-03-22 → 2026-03-22 · 2 obs
○ 2026-03-22 02:13:36
● 2026-03-22 16:41:48
●A3.5.185.502026-03-22 → 2026-03-22 · 2 obs
○ 2026-03-22 02:13:36
● 2026-03-22 16:41:48
○A3.5.185.522026-02-16 → 2026-03-08 · 7 obs
○ 2026-02-16 03:49:04
● 2026-02-16 22:32:20
○ 2026-02-19 18:07:08
○ 2026-03-07 08:21:56
● 2026-03-08 10:20:44
○ 2026-03-10 03:45:12
○ 2026-03-22 16:41:48
○A3.5.185.592026-03-15 → 2026-03-15 · 4 obs
○ 2026-03-10 03:45:12
● 2026-03-15 18:06:06
○ 2026-03-17 03:48:54
○ 2026-03-22 16:41:48
○A3.5.185.612026-03-07 → 2026-03-07 · 4 obs
○ 2026-02-19 18:07:08
● 2026-03-07 08:21:56
○ 2026-03-08 10:20:44
○ 2026-03-22 16:41:48
○A3.5.185.622026-02-15 → 2026-02-19 · 6 obs
● 2026-02-15 16:11:32
○ 2026-02-16 03:49:04
○ 2026-02-16 22:32:20
● 2026-02-19 18:07:08
○ 2026-03-07 08:21:56
○ 2026-03-22 16:41:48
○A3.5.185.742026-03-07 → 2026-03-07 · 4 obs
○ 2026-02-19 18:07:08
● 2026-03-07 08:21:56
○ 2026-03-08 10:20:44
○ 2026-03-22 16:41:48
○A3.5.185.772026-02-16 → 2026-02-16 · 4 obs
○ 2026-02-15 16:11:32
● 2026-02-16 03:49:04
○ 2026-02-16 22:32:20
○ 2026-03-22 16:41:48
○A3.5.185.792026-02-16 → 2026-02-16 · 4 obs
○ 2026-02-15 16:11:32
● 2026-02-16 03:49:04
○ 2026-02-16 22:32:20
○ 2026-03-22 16:41:48
○A3.5.185.972026-03-15 → 2026-03-17 · 6 obs
○ 2026-02-15 16:11:32
○ 2026-03-10 03:45:12
● 2026-03-15 18:06:06
● 2026-03-17 03:48:54
○ 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
○A3.5.185.982026-03-08 → 2026-03-08 · 4 obs
○ 2026-03-07 08:21:56
● 2026-03-08 10:20:44
○ 2026-03-10 03:45:12
○ 2026-03-22 16:41:48
○A3.5.186.12026-02-16 → 2026-03-15 · 7 obs
○ 2026-02-15 16:11:32
● 2026-02-16 03:49:04
○ 2026-02-16 22:32:20
○ 2026-03-10 03:45:12
● 2026-03-15 18:06:06
○ 2026-03-17 03:48:54
○ 2026-03-22 16:41:48
○A3.5.186.1702026-02-16 → 2026-03-17 · 8 obs
○ 2026-02-16 03:49:04
● 2026-02-16 22:32:20
● 2026-02-19 18:07:08
○ 2026-03-07 08:21:56
○ 2026-03-15 18:06:06
● 2026-03-17 03:48:54
○ 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
○A3.5.186.2292026-02-15 → 2026-03-22 · 2 obs
○ 2026-02-15 16:11:32
○ 2026-03-22 16:41:48
○A3.5.187.1002026-03-15 → 2026-03-17 · 5 obs
○ 2026-03-10 03:45:12
● 2026-03-15 18:06:06
● 2026-03-17 03:48:54
○ 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
●A3.5.187.1032026-03-22 → 2026-03-22 · 2 obs
○ 2026-03-22 02:13:36
● 2026-03-22 16:41:48
○A3.5.187.1082026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 16:11:32
○ 2026-02-16 03:49:04
○ 2026-03-22 16:41:48
○A3.5.187.1202026-03-10 → 2026-03-10 · 4 obs
○ 2026-03-08 10:20:44
● 2026-03-10 03:45:12
○ 2026-03-15 18:06:06
○ 2026-03-22 16:41:48
○A3.5.187.1242026-03-17 → 2026-03-17 · 4 obs
○ 2026-03-15 18:06:06
● 2026-03-17 03:48:54
○ 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
○A3.5.187.312026-03-15 → 2026-03-15 · 4 obs
○ 2026-03-10 03:45:12
● 2026-03-15 18:06:06
○ 2026-03-17 03:48:54
○ 2026-03-22 16:41:48
○A3.5.187.432026-03-22 → 2026-03-22 · 3 obs
○ 2026-03-17 03:48:54
● 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
○A3.5.187.632026-02-19 → 2026-02-19 · 4 obs
○ 2026-02-16 22:32:20
● 2026-02-19 18:07:08
○ 2026-03-07 08:21:56
○ 2026-03-22 16:41:48
○A3.5.187.762026-03-10 → 2026-03-10 · 5 obs
○ 2026-02-15 16:11:32
○ 2026-03-08 10:20:44
● 2026-03-10 03:45:12
○ 2026-03-15 18:06:06
○ 2026-03-22 16:41:48
○A3.5.187.862026-03-10 → 2026-03-10 · 4 obs
○ 2026-03-08 10:20:44
● 2026-03-10 03:45:12
○ 2026-03-15 18:06:06
○ 2026-03-22 16:41:48
○A3.5.187.952026-03-10 → 2026-03-10 · 4 obs
○ 2026-03-08 10:20:44
● 2026-03-10 03:45:12
○ 2026-03-15 18:06:06
○ 2026-03-22 16:41:48
○A3.5.188.1152026-03-08 → 2026-03-08 · 4 obs
○ 2026-03-07 08:21:56
● 2026-03-08 10:20:44
○ 2026-03-10 03:45:12
○ 2026-03-22 16:41:48
○A3.5.188.1352026-03-08 → 2026-03-08 · 4 obs
○ 2026-03-07 08:21:56
● 2026-03-08 10:20:44
○ 2026-03-10 03:45:12
○ 2026-03-22 16:41:48
○A3.5.188.492026-03-22 → 2026-03-22 · 3 obs
○ 2026-03-17 03:48:54
● 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
○A3.5.189.1042026-03-07 → 2026-03-07 · 4 obs
○ 2026-02-19 18:07:08
● 2026-03-07 08:21:56
○ 2026-03-08 10:20:44
○ 2026-03-22 16:41:48
○A3.5.189.1052026-02-16 → 2026-03-22 · 6 obs
○ 2026-02-16 03:49:04
● 2026-02-16 22:32:20
○ 2026-02-19 18:07:08
○ 2026-03-17 03:48:54
● 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
○A3.5.189.1072026-03-22 → 2026-03-22 · 3 obs
○ 2026-03-17 03:48:54
● 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
○A3.5.189.1212026-02-15 → 2026-03-22 · 2 obs
○ 2026-02-15 16:11:32
○ 2026-03-22 16:41:48
○A3.5.189.1252026-02-19 → 2026-02-19 · 4 obs
○ 2026-02-16 22:32:20
● 2026-02-19 18:07:08
○ 2026-03-07 08:21:56
○ 2026-03-22 16:41:48
○A3.5.189.212026-03-07 → 2026-03-07 · 4 obs
○ 2026-02-19 18:07:08
● 2026-03-07 08:21:56
○ 2026-03-08 10:20:44
○ 2026-03-22 16:41:48
○A3.5.189.422026-02-15 → 2026-02-16 · 5 obs
● 2026-02-15 16:11:32
○ 2026-02-16 03:49:04
● 2026-02-16 22:32:20
○ 2026-02-19 18:07:08
○ 2026-03-22 16:41:48
●A3.5.189.452026-03-22 → 2026-03-22 · 2 obs
○ 2026-03-22 02:13:36
● 2026-03-22 16:41:48
○A3.5.189.482026-02-19 → 2026-02-19 · 4 obs
○ 2026-02-16 22:32:20
● 2026-02-19 18:07:08
○ 2026-03-07 08:21:56
○ 2026-03-22 16:41:48
○A3.5.189.662026-03-10 → 2026-03-10 · 4 obs
○ 2026-03-08 10:20:44
● 2026-03-10 03:45:12
○ 2026-03-15 18:06:06
○ 2026-03-22 16:41:48
○A3.5.189.72026-03-10 → 2026-03-10 · 4 obs
○ 2026-03-08 10:20:44
● 2026-03-10 03:45:12
○ 2026-03-15 18:06:06
○ 2026-03-22 16:41:48
○A3.5.189.772026-02-16 → 2026-02-16 · 4 obs
○ 2026-02-16 03:49:04
● 2026-02-16 22:32:20
○ 2026-02-19 18:07:08
○ 2026-03-22 16:41:48
○A3.5.189.852026-03-08 → 2026-03-22 · 6 obs
○ 2026-03-07 08:21:56
● 2026-03-08 10:20:44
○ 2026-03-10 03:45:12
○ 2026-03-17 03:48:54
● 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
●A3.5.189.982026-02-16 → 2026-03-22 · 5 obs
○ 2026-02-16 03:49:04
● 2026-02-16 22:32:20
○ 2026-02-19 18:07:08
○ 2026-03-22 02:13:36
● 2026-03-22 16:41:48
○A52.219.144.682026-02-16 → 2026-03-10 · 7 obs
○ 2026-02-15 16:11:32
● 2026-02-16 03:49:04
○ 2026-02-16 22:32:20
○ 2026-03-08 10:20:44
● 2026-03-10 03:45:12
○ 2026-03-15 18:06:06
○ 2026-03-22 16:41:48
○A52.219.144.882026-02-16 → 2026-02-16 · 4 obs
○ 2026-02-15 16:11:32
● 2026-02-16 03:49:04
○ 2026-02-16 22:32:20
○ 2026-03-22 16:41:48
○A52.219.146.12026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 16:11:32
○ 2026-02-16 03:49:04
○ 2026-03-22 16:41:48
○A52.219.146.802026-03-07 → 2026-03-07 · 4 obs
○ 2026-02-19 18:07:08
● 2026-03-07 08:21:56
○ 2026-03-08 10:20:44
○ 2026-03-22 16:41:48
●A52.219.146.922026-03-22 → 2026-03-22 · 2 obs
○ 2026-03-22 02:13:36
● 2026-03-22 16:41:48
○A52.219.148.482026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 16:11:32
○ 2026-02-16 03:49:04
○ 2026-03-22 16:41:48
○A52.219.202.642026-03-08 → 2026-03-08 · 4 obs
○ 2026-03-07 08:21:56
● 2026-03-08 10:20:44
○ 2026-03-10 03:45:12
○ 2026-03-22 16:41:48
○A52.219.204.162026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 16:11:32
○ 2026-02-16 03:49:04
○ 2026-03-22 16:41:48
○A52.219.204.482026-02-16 → 2026-03-17 · 7 obs
○ 2026-02-15 16:11:32
● 2026-02-16 03:49:04
○ 2026-02-16 22:32:20
○ 2026-03-15 18:06:06
● 2026-03-17 03:48:54
○ 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
○A52.219.204.522026-03-08 → 2026-03-08 · 4 obs
○ 2026-03-07 08:21:56
● 2026-03-08 10:20:44
○ 2026-03-10 03:45:12
○ 2026-03-22 16:41:48
○A52.219.204.642026-03-15 → 2026-03-15 · 4 obs
○ 2026-03-10 03:45:12
● 2026-03-15 18:06:06
○ 2026-03-17 03:48:54
○ 2026-03-22 16:41:48
○A52.219.204.82026-03-07 → 2026-03-07 · 4 obs
○ 2026-02-19 18:07:08
● 2026-03-07 08:21:56
○ 2026-03-08 10:20:44
○ 2026-03-22 16:41:48
○A52.219.204.802026-02-15 → 2026-02-15 · 3 obs
● 2026-02-15 16:11:32
○ 2026-02-16 03:49:04
○ 2026-03-22 16:41:48
○A52.219.206.322026-03-22 → 2026-03-22 · 3 obs
○ 2026-03-17 03:48:54
● 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
○A52.219.206.442026-03-17 → 2026-03-17 · 4 obs
○ 2026-03-15 18:06:06
● 2026-03-17 03:48:54
○ 2026-03-22 02:13:36
○ 2026-03-22 16:41:48
○A52.219.206.482026-03-15 → 2026-03-15 · 4 obs
○ 2026-03-10 03:45:12
● 2026-03-15 18:06:06
○ 2026-03-17 03:48:54
○ 2026-03-22 16:41:48
○A52.219.206.722026-03-07 → 2026-03-07 · 4 obs
○ 2026-02-19 18:07:08
● 2026-03-07 08:21:56
○ 2026-03-08 10:20:44
○ 2026-03-22 16:41:48
○A52.219.206.882026-02-19 → 2026-02-19 · 4 obs
○ 2026-02-16 22:32:20
● 2026-02-19 18:07:08
○ 2026-03-07 08:21:56
○ 2026-03-22 16:41:48
○A52.219.56.1442026-02-15 → 2026-03-22 · 2 obs
○ 2026-02-15 16:11:32
○ 2026-03-22 16:41:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, i.gtld-servers.net...-
jfocusedu.comns-2.awsdns-00.com, ns-633.awsdns-15.net, ns-1802.awsdns-33.co.uk, ns-1212.awsdns-23.org1 record

✅ Authoritative Response

Server: 205.251.196.188

NS records: ns-2.awsdns-00.com, ns-633.awsdns-15.net, ns-1802.awsdns-33.co.uk, ns-1212.awsdns-23.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for jfocusedu.com (unsigned zone)

⏱️ Timing

Total: 562ms | Queries: -

📄 Records

TypeCountSample Data
A83.5.185.59, 3.5.189.121...
NS4ns-1212.awsdns-23.org, ns-1802.awsdns-33.co.uk...
SOA1ns-2.awsdns-00.com awsdns-hostmaster.ama

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (ns-2.awsdns-00.com)

Analysis

IP Addresses

jfocusedu.com resolves to eight IP numbers: 3.5.184.180, 3.5.185.37, 3.5.185.50, 3.5.185.108, 3.5.187.103, 3.5.189.45, 3.5.189.98 and 52.219.146.92.

Other host names such as www.polyar.com, www.nekoromancer.kr, kyunghanglobal.com, koreamedis.co.kr and yuhwa-choi.com share IP numbers with jfocusedu.com.

Name Servers

jfocusedu.com is delegated to four name servers: ns-2.awsdns-00.com, ns-633.awsdns-15.net, ns-1212.awsdns-23.org and ns-1802.awsdns-33.co.uk.

At least part of the name servers for jfocusedu.com are shared with other domains, for instance tech-madness.com, abiogenix.com, mattcolf.com, energie-new.de and 535bet.app.

these name servers are commonly used with the name servers ns-1940.awsdns-50.co.uk, ns-41.awsdns-05.com, ns-834.awsdns-40.net, ns41.music-name-servers.com, ns42.music-name-servers.com, ns43.music-name-servers.com, ns44.music-name-servers.com, ns-988.awsdns-59.net, ns-1378.awsdns-44.org and ns-1815.awsdns-34.co.uk.

Host names with two IP numbers:

ns-2.awsdns-00.com points to: 2600:9000:5300:200::1 and 205.251.192.2

ns-633.awsdns-15.net points to: 2600:9000:5302:7900::1 and 205.251.194.121

ns-1212.awsdns-23.org points to: 2600:9000:5304:bc00::1 and 205.251.196.188

ns-1802.awsdns-33.co.uk points to: 2600:9000:5307:a00::1 and 205.251.199.10