ap4.us - robtex.com

ap4.us

DNSSEC⚠️ Not signed
A3.231.210.240🇺🇸 Amazon3.224.0.0/12 EC2 IAD prefix
PTRec2-3-231-210-240.compute-1.amazonaws.com
NSns-1494.awsdns-58.org ⭐
A2600:9000:5305:d600::1Amazon2600:9000:5305::/48 - CloudFront
A205.251.197.214Amazon205.251.197.0/24 prefix
NSns-1601.awsdns-08.co.uk
A2600:9000:5306:4100::1Amazon2600:9000:5306::/48 - CloudFront
A205.251.198.65Amazon205.251.198.0/24 prefix
NSns-444.awsdns-55.com
A2600:9000:5301:bc00::1🇺🇸 Amazon2600:9000:5301::/48 - CloudFront
A205.251.193.188🇺🇸 Amazon205.251.193.0/24 prefix
NSns-726.awsdns-26.net
A2600:9000:5302:d600::1Amazon2600:9000:5302::/48 - CloudFront
A205.251.194.214Amazon205.251.194.0/24 prefix
MXmxa.mailgun.org ⭐
A34.36.182.139
MXmxb.mailgun.org ⭐
A34.149.254.5🇺🇸 Google34.148.0.0/14
TXTv=spf1 include:mailgun.org ~all
SOAns-1494.awsdns-58.orgawsdns-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=1777260763

Same first word

ap4.com
ap4.se
ap4.nl
ap4.ch
ap4.us
ap4.it
ap4.de
ap4.ru
ap4.at
ap4.hu
ap4.mobi
ap4.net
ap4.be
ap4.biz
ap4.nu
ap4.me
ap4.co.uk
ap4.es
ap4.org

Similar names

4pa.nl
pa4.com
a4p.de
a4p.co.nz
pa4.gr
a4p.net
a4p.com
p4a.us
4ap.ru
p4a.org
p4a.com
a4p.fr
4ap.co.jp
a4p.ru
4ap.de
4pa.in
a4p.eu
p4a.ch
p4a.co.za
4ap.cn
a4p.nl
a4p.com.ua
4pa.de
p4a.nl
p4a.co
4pa.cn
pa4.com.br
p4a.de
a4p.com.mx
a4p.org
4pa.org
4ap.dk
p4a.ir
4pa.xyz
a4p.cc
p4a.dk
4pa.eu
p4a.at
p4a.ru
4ap.nl
p4a.me
p4a.net
4ap.com
4ap.info
pa4.de
p4a.eu
4pa.ru
a4p.pl
a4p.cz
4pa.ws
4pa.net
a4p.sk
p4a.jp
pa4.me
pa4.net

DNS History

13 records (7 active, 6 former)

20162017201820192020202120222023202420252026NSns-1494.awsdns-58.orgns-1601.awsdns-08.co.ukns-444.awsdns-55.comns-726.awsdns-26.netns01.domaincontrol.comns02.domaincontrol.comMXmxa.mailgun.orgmxb.mailgun.orgmailstore1.secureserver.netsmtp.secureserver.netA3.231.210.240184.168.131.241184.168.221.15
●NSns-1494.awsdns-58.org2026-03-27 → 2026-04-27 · 3 obs
○ 2026-02-24 03:10:14
● 2026-03-27 00:15:22
● 2026-04-27 04:08:06
●NSns-1601.awsdns-08.co.uk2026-03-27 → 2026-04-27 · 3 obs
○ 2026-02-24 03:10:14
● 2026-03-27 00:15:22
● 2026-04-27 04:08:06
●NSns-444.awsdns-55.com2026-03-27 → 2026-04-27 · 3 obs
○ 2026-02-24 03:10:14
● 2026-03-27 00:15:22
● 2026-04-27 04:08:06
●NSns-726.awsdns-26.net2026-03-27 → 2026-04-27 · 3 obs
○ 2026-02-24 03:10:14
● 2026-03-27 00:15:22
● 2026-04-27 04:08:06
○NSns01.domaincontrol.com2015-08-15 → 2020-10-30 · 4 obs
● 2015-08-15 07:16:06
● 2020-10-30 21:38:10
○ 2026-02-24 03:10:14
○ 2026-04-27 04:08:06
○NSns02.domaincontrol.com2015-08-15 → 2020-10-30 · 4 obs
● 2015-08-15 07:16:06
● 2020-10-30 21:38:10
○ 2026-02-24 03:10:14
○ 2026-04-27 04:08:06
○MXmailstore1.secureserver.net2015-08-15 → 2020-10-30 · 4 obs
● 2015-08-15 07:16:06
● 2020-10-30 21:38:10
○ 2026-02-24 03:10:14
○ 2026-04-27 04:08:06
●MXmxa.mailgun.org2026-03-27 → 2026-04-27 · 3 obs
○ 2026-02-24 03:10:14
● 2026-03-27 00:15:22
● 2026-04-27 04:08:06
●MXmxb.mailgun.org2026-03-27 → 2026-04-27 · 3 obs
○ 2026-02-24 03:10:14
● 2026-03-27 00:15:22
● 2026-04-27 04:08:06
○MXsmtp.secureserver.net2015-08-15 → 2020-10-30 · 4 obs
● 2015-08-15 07:16:06
● 2020-10-30 21:38:10
○ 2026-02-24 03:10:14
○ 2026-04-27 04:08:06
○A184.168.131.2412020-10-30 → 2020-10-30 · 4 obs
○ 2016-07-24 04:10:28
● 2020-10-30 21:38:10
○ 2026-02-24 03:10:14
○ 2026-04-27 04:08:06
○A184.168.221.152015-08-15 → 2016-07-24 · 4 obs
● 2015-08-15 07:16:06
● 2016-07-24 04:10:28
○ 2020-10-30 21:38:10
○ 2026-04-27 04:08:06
●A3.231.210.2402026-03-27 → 2026-04-27 · 3 obs
○ 2026-02-24 03:10:14
● 2026-03-27 00:15:22
● 2026-04-27 04:08:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usb.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us...-
ap4.usns-1494.awsdns-58.org, ns-726.awsdns-26.net, ns-444.awsdns-55.com, ns-1601.awsdns-08.co.uk-

✅ Authoritative Response

Server:205.251.194.214

NS records: ns-1494.awsdns-58.org, ns-726.awsdns-26.net, ns-444.awsdns-55.com, ns-1601.awsdns-08.co.uk

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ap4.us (unsigned zone)

⏱️ Timing

Total: 2174ms | Queries: -

📄 Records

TypeCountSample Data
A13.231.210.240
NS4ns-1494.awsdns-58.org, ns-1601.awsdns-08.co.uk...
MX2mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10)
TXT1v=spf1 include:mailgun.org ~all
SOA1ns-1494.awsdns-58.org awsdns-hostmaster.

Analysis

IP Addresses

ap4.us points to a single IP number: 3.231.210.240.

Name Servers

ap4.us is delegated to four name servers: ns-444.awsdns-55.com, ns-726.awsdns-26.net, ns-1494.awsdns-58.org and ns-1601.awsdns-08.co.uk.

Host names with two IP numbers:

Host name ns-444.awsdns-55.com points to: 2600:9000:5301:bc00::1 and 205.251.193.188.

Host name ns-726.awsdns-26.net points to: 2600:9000:5302:d600::1 and 205.251.194.214.

Host name ns-1494.awsdns-58.org points to: 2600:9000:5305:d600::1 and 205.251.197.214.

Host name ns-1601.awsdns-08.co.uk points to: 2600:9000:5306:4100::1 and 205.251.198.65.

Mail Servers

ap4.us is handled by two mail servers: mxa.mailgun.org and mxb.mailgun.org.

Host names with one IP number:

The host mxa.mailgun.org points to 34.36.182.139 and the host mxb.mailgun.org points to 34.149.254.5.