flashcardspl.us - robtex.com

flashcardspl.us

DNSSEC⚠️ Not signed
A34.223.157.237🇺🇸 Amazon34.208.0.0/12 EC2 PDX prefix
PTRec2-34-223-157-237.us-west-2.compute.amazonaws.com
A184.32.95.240🇺🇸 Amazon184.32.0.0/14 EC2 Prefix
A184.33.221.3🇺🇸 Amazon184.32.0.0/14 EC2 Prefix
NSns-2013.awsdns-59.co.uk ⭐
A2600:9000:5307:dd00::1🇺🇸 Amazon2600:9000:5307::/48 - CloudFront
PTRns-2013.awsdns-59.co.uk
A205.251.199.221🇺🇸 Amazon205.251.199.0/24 prefix
PTRns-2013.awsdns-59.co.uk
NSns-1323.awsdns-37.org
A2600:9000:5305:2b00::1🇺🇸 Amazon2600:9000:5305::/48 - CloudFront
PTRns-1323.awsdns-37.org
A205.251.197.43🇺🇸 Amazon205.251.197.0/24 prefix
PTRns-1323.awsdns-37.org
NSns-321.awsdns-40.com
A2600:9000:5301:4100::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
PTRns-321.awsdns-40.com
A205.251.193.65🇺🇸 Amazon205.251.193.0/24 prefix
PTRns-321.awsdns-40.com
NSns-954.awsdns-55.net
A2600:9000:5303:ba00::1🇺🇸 Amazon2600:9000:5303::/48 - CloudFront
PTRns-954.awsdns-55.net
A205.251.195.186🇺🇸 Amazon205.251.195.0/24 prefix
PTRns-954.awsdns-55.net
MXmail.chegg.com ⭐
SOAns-2013.awsdns-59.co.ukawsdns-hostmaster@amazon.com serial=1

us

DNSSEC🔒 Signed (DS record present)
NSa.cctld.us ⭐
NSb.cctld.us
NSf.cctld.us
NSk.cctld.us
NSm.cctld.us
NSn.cctld.us
NSw.cctld.us
NSx.cctld.us
NSy.cctld.us
SOAa.cctld.usadmin@tldns.godaddy serial=1773555288

Same first word

flashcardspl.us

DNS History

22 records (8 active, 14 former)

20162017201820192020202120222023202420252026NSns-1323.awsdns-37.orgns-2013.awsdns-59.co.ukns-321.awsdns-40.comns-954.awsdns-55.netudns1.ultradns.netudns2.ultradns.netMXmail.chegg.comA184.32.95.240184.33.221.334.223.157.237184.32.9.15935.160.129.19635.161.233.12244.232.159.1044.236.174.9244.236.242.18444.237.208.12450.112.145.22252.10.98.20752.24.223.18752.40.226.12754.68.62.117
●NSns-1323.awsdns-37.org2016-04-18 → 2026-03-20 · 3 obs
○ 2016-01-23 19:50:42
● 2016-04-18 20:34:56
● 2026-03-20 19:18:48
●NSns-2013.awsdns-59.co.uk2016-04-18 → 2026-03-20 · 3 obs
○ 2016-01-23 19:50:42
● 2016-04-18 20:34:56
● 2026-03-20 19:18:48
●NSns-321.awsdns-40.com2016-04-18 → 2026-03-20 · 3 obs
○ 2016-01-23 19:50:42
● 2016-04-18 20:34:56
● 2026-03-20 19:18:48
●NSns-954.awsdns-55.net2016-04-18 → 2026-03-20 · 3 obs
○ 2016-01-23 19:50:42
● 2016-04-18 20:34:56
● 2026-03-20 19:18:48
○NSudns1.ultradns.net2015-08-23 → 2016-01-23 · 4 obs
● 2015-08-23 06:03:54
● 2016-01-23 19:50:42
○ 2016-04-18 20:34:56
○ 2026-03-20 19:18:48
○NSudns2.ultradns.net2015-08-23 → 2016-01-23 · 4 obs
● 2015-08-23 06:03:54
● 2016-01-23 19:50:42
○ 2016-04-18 20:34:56
○ 2026-03-20 19:18:48
●MXmail.chegg.com2015-08-23 → 2026-03-20 · 2 obs
● 2015-08-23 06:03:54
● 2026-03-20 19:18:48
○A184.32.9.1592026-02-23 → 2026-02-27 · 5 obs
○ 2017-10-25 11:27:32
● 2026-02-23 04:25:30
● 2026-02-27 00:17:00
○ 2026-02-27 09:39:56
○ 2026-03-20 19:18:48
●A184.32.95.2402026-03-16 → 2026-03-20 · 3 obs
○ 2026-03-15 00:10:20
● 2026-03-16 00:11:26
● 2026-03-20 19:18:48
●A184.33.221.32026-03-18 → 2026-03-20 · 3 obs
○ 2026-03-18 00:11:54
● 2026-03-18 19:03:54
● 2026-03-20 19:18:48
●A34.223.157.2372026-03-14 → 2026-03-20 · 3 obs
○ 2026-03-13 00:11:20
● 2026-03-14 00:09:12
● 2026-03-20 19:18:48
○A35.160.129.1962026-02-23 → 2026-02-23 · 5 obs
○ 2017-10-25 11:27:32
● 2026-02-23 04:25:30
● 2026-02-23 07:09:16
○ 2026-02-23 10:04:52
○ 2026-03-20 19:18:48
○A35.161.233.1222026-02-23 → 2026-02-28 · 5 obs
○ 2026-02-23 07:09:16
● 2026-02-23 10:04:52
● 2026-02-28 15:40:54
○ 2026-03-03 00:12:12
○ 2026-03-20 19:18:48
○A44.232.159.102026-02-23 → 2026-03-05 · 5 obs
○ 2017-10-25 11:27:32
● 2026-02-23 04:25:30
● 2026-03-05 00:12:06
○ 2026-03-06 00:13:50
○ 2026-03-20 19:18:48
○A44.236.174.922026-03-03 → 2026-03-13 · 5 obs
○ 2026-02-28 15:40:54
● 2026-03-03 00:12:12
● 2026-03-13 00:11:20
○ 2026-03-14 00:09:12
○ 2026-03-20 19:18:48
○A44.236.242.1842026-02-23 → 2026-03-20 · 2 obs
○ 2026-02-23 04:25:30
○ 2026-03-20 19:18:48
○A44.237.208.1242026-03-06 → 2026-03-15 · 5 obs
○ 2026-03-05 00:12:06
● 2026-03-06 00:13:50
● 2026-03-15 00:10:20
○ 2026-03-16 00:11:26
○ 2026-03-20 19:18:48
○A50.112.145.2222015-08-23 → 2017-10-25 · 4 obs
● 2015-08-23 06:03:54
● 2017-10-25 11:27:32
○ 2026-02-23 04:25:30
○ 2026-03-20 19:18:48
○A52.10.98.2072026-02-23 → 2026-03-20 · 2 obs
○ 2026-02-23 04:25:30
○ 2026-03-20 19:18:48
○A52.24.223.1872026-03-10 → 2026-03-18 · 5 obs
○ 2026-03-08 20:46:20
● 2026-03-10 00:12:54
● 2026-03-18 00:11:54
○ 2026-03-18 19:03:54
○ 2026-03-20 19:18:48
○A52.40.226.1272026-02-27 → 2026-03-08 · 5 obs
○ 2026-02-27 00:17:00
● 2026-02-27 09:39:56
● 2026-03-08 20:46:20
○ 2026-03-10 00:12:54
○ 2026-03-20 19:18:48
○A54.68.62.1172026-02-23 → 2026-03-20 · 2 obs
○ 2026-02-23 04:25:30
○ 2026-03-20 19:18:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usm.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us...-
flashcardspl.usns-954.awsdns-55.net, ns-1323.awsdns-37.org, ns-2013.awsdns-59.co.uk, ns-321.awsdns-40.com-

✅ Authoritative Response

Server: 205.251.197.43

NS records: ns-954.awsdns-55.net, ns-1323.awsdns-37.org, ns-2013.awsdns-59.co.uk, ns-321.awsdns-40.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for flashcardspl.us (unsigned zone)

⏱️ Timing

Total: 1217ms | Queries: -

📄 Records

TypeCountSample Data
A334.223.157.237, 184.33.221.3...
NS4ns-1323.awsdns-37.org, ns-2013.awsdns-59.co.uk...
MX1mail.chegg.com (pri: 10)
SOA1ns-2013.awsdns-59.co.uk awsdns-hostmaste

Analysis

IP Addresses

flashcardspl.us resolves to three IPs: 34.223.157.237, 184.32.95.240 and 184.33.221.3.

Other host names, for example cramster.com, morethanatestscore.com, maintenance.chegg.com and www.cramster.com share IP numbers with flashcardspl.us.

Name Servers

flashcardspl.us's delegation is handled by four name servers: ns-321.awsdns-40.com, ns-954.awsdns-55.net, ns-1323.awsdns-37.org and ns-2013.awsdns-59.co.uk.

flashcardspl.us partially shares name servers with other domains; examples include d3qbjy5fv8eok2.cloudfront.net, d3701n541gn4pj.cloudfront.net, thirty9.com, monina.com and toridoll.net.

These name servers commonly accompany ns-280.awsdns-35.com, ns-1258.awsdns-29.org, ns-1939.awsdns-50.co.uk and ns-1257.awsdns-29.org.

Host names with two IPs:

ns-321.awsdns-40.com points to 2600:9000:5301:4100::1 and 205.251.193.65

ns-954.awsdns-55.net points to 2600:9000:5303:ba00::1 and 205.251.195.186

ns-1323.awsdns-37.org points to 2600:9000:5305:2b00::1 and 205.251.197.43

ns-2013.awsdns-59.co.uk points to 2600:9000:5307:dd00::1 and 205.251.199.221

Mail Servers

flashcardspl.us is handled by a single mail server, mail.chegg.com.