codejudge.net - robtex.com

codejudge.net

DNSSEC🔒 Signed (DS record present)
A23.97.195.129🇳🇱 Microsoft23.96.0.0/14 MICROSOFT
NSns01.one.com ⭐
A2001:67c:28cc::10ONECOM-INFRA2001:67c:28cc::/48
PTRns01.one.com
A195.206.121.10ONECOM-INFRA195.206.121.0/24
PTRns01.one.com
NSns02.one.com
A2001:67c:3c0::10🇩🇰 ONECOM2001:67c:3c0::/48
PTRns02.one.com
A185.10.11.10ONECOM185.10.11.0/24
PTRns02.one.com
MXin1-smtp.messagingengine.com ⭐
A103.168.172.216🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-01.messagingengine.com
A103.168.172.217🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-02.messagingengine.com
A103.168.172.218🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-03.messagingengine.com
A103.168.172.219🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-04.messagingengine.com
A103.168.172.220🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-05.messagingengine.com
A103.168.172.221🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-06.messagingengine.com
A103.168.172.222🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-07.messagingengine.com
A103.168.172.223🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRphl-mx-08.messagingengine.com
MXin2-smtp.messagingengine.com(20)
A202.12.124.216FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-01.messagingengine.com
A202.12.124.217FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-02.messagingengine.com
A202.12.124.218FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-03.messagingengine.com
A202.12.124.219FASTMAILPTYLTD-AS-AP202.12.124.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRstl-mx-04.messagingengine.com
MXmx1.forwardemail.net(25)
A2604:a880:2:d0::306:1🇺🇸 DIGITALOCEAN2604:a880:2::/48 DigitalOcean
PTRmx1.forwardemail.net
A2a02:6ea0:d71e::2🇺🇸 CDN772a02:6ea0:d700::/40 Denver IPv6
PTRmx1.forwardemail.net
A121.127.44.56🇺🇸 CDN77121.127.44.0/24 Denver
PTRmx1.forwardemail.net
A138.197.213.185🇺🇸 DIGITALOCEAN138.197.208.0/20 DigitalOcean
PTRmx1.forwardemail.net
MXmx2.forwardemail.net(30)
A2604:a880:400:d1::cd:9001🇺🇸 DIGITALOCEAN2604:a880:400::/48 DigitalOcean
PTRmx2.forwardemail.net
A2a02:6ea0:d71e::1🇺🇸 CDN772a02:6ea0:d700::/40 Denver IPv6
PTRmx2.forwardemail.net
A104.248.224.170🇺🇸 DIGITALOCEAN104.248.224.0/20 DigitalOcean
PTRmx2.forwardemail.net
A121.127.44.59🇺🇸 CDN77121.127.44.0/24 Denver
PTRmx2.forwardemail.net
TXTv=spf1 include:spf.messagingengine.com include:eu.mailgun.org include:_spf.go...
TXTforward-email=anders.r0x3r@gmail.com
TXTMS=FBAA7A80B2B0886C99DF2782915D7B9291D677E6
SOAns01.one.comhostmaster@one.com 2026-03-24 #1

net

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=1776965461

Same first word

codejudge.ir
codejudge.net
codejudge.io

DNS History

15 records (7 active, 8 former)

20162017201820192020202120222023202420252026NSns01.one.comns02.one.comns1.gratisdns.dkns2.gratisdns.dkns3.gratisdns.dkns4.gratisdns.dkns5.gratisdns.dkMXin1-smtp.messagingengine.comin2-smtp.messagingengine.commx1.forwardemail.netmx2.forwardemail.netmail01.bavole.netA23.97.195.129104.40.129.89217.116.209.44
●NSns01.one.com2026-02-15 → 2026-04-23 · 3 obs
○ 2017-06-14 20:36:52
● 2026-02-15 03:48:20
● 2026-04-23 17:52:56
●NSns02.one.com2026-02-15 → 2026-04-23 · 3 obs
○ 2017-06-14 20:36:52
● 2026-02-15 03:48:20
● 2026-04-23 17:52:56
○NSns1.gratisdns.dk2015-08-17 → 2017-06-14 · 4 obs
● 2015-08-17 00:51:00
● 2017-06-14 20:36:52
○ 2026-02-15 03:48:20
○ 2026-04-23 17:52:56
○NSns2.gratisdns.dk2015-08-17 → 2017-06-14 · 4 obs
● 2015-08-17 00:51:00
● 2017-06-14 20:36:52
○ 2026-02-15 03:48:20
○ 2026-04-23 17:52:56
○NSns3.gratisdns.dk2015-08-17 → 2017-06-14 · 4 obs
● 2015-08-17 00:51:00
● 2017-06-14 20:36:52
○ 2026-02-15 03:48:20
○ 2026-04-23 17:52:56
○NSns4.gratisdns.dk2015-08-17 → 2017-06-14 · 4 obs
● 2015-08-17 00:51:00
● 2017-06-14 20:36:52
○ 2026-02-15 03:48:20
○ 2026-04-23 17:52:56
○NSns5.gratisdns.dk2015-08-17 → 2017-06-14 · 4 obs
● 2015-08-17 00:51:00
● 2017-06-14 20:36:52
○ 2026-02-15 03:48:20
○ 2026-04-23 17:52:56
●MXin1-smtp.messagingengine.com2026-02-15 → 2026-04-23 · 3 obs
○ 2017-06-14 20:36:52
● 2026-02-15 03:48:20
● 2026-04-23 17:52:56
●MXin2-smtp.messagingengine.com2026-02-15 → 2026-04-23 · 3 obs
○ 2017-06-14 20:36:52
● 2026-02-15 03:48:20
● 2026-04-23 17:52:56
○MXmail01.bavole.net2015-08-17 → 2017-06-14 · 4 obs
● 2015-08-17 00:51:00
● 2017-06-14 20:36:52
○ 2026-02-15 03:48:20
○ 2026-04-23 17:52:56
●MXmx1.forwardemail.net2026-02-15 → 2026-04-23 · 3 obs
○ 2017-06-14 20:36:52
● 2026-02-15 03:48:20
● 2026-04-23 17:52:56
●MXmx2.forwardemail.net2026-02-15 → 2026-04-23 · 3 obs
○ 2017-06-14 20:36:52
● 2026-02-15 03:48:20
● 2026-04-23 17:52:56
○A104.40.129.892015-12-06 → 2016-07-09 · 5 obs
○ 2015-08-17 00:51:00
● 2015-12-06 09:54:50
● 2016-07-09 05:39:54
○ 2017-06-14 20:36:52
○ 2026-04-23 17:52:56
○A217.116.209.442015-08-17 → 2015-08-17 · 3 obs
● 2015-08-17 00:51:00
○ 2015-12-06 09:54:50
○ 2026-04-23 17:52:56
●A23.97.195.1292017-06-14 → 2026-04-23 · 3 obs
○ 2016-07-09 05:39:54
● 2017-06-14 20:36:52
● 2026-04-23 17:52:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
codejudge.netns01.one.com, ns02.one.com-

✅ Authoritative Response

Server:195.206.121.10

NS records: ns01.one.com, ns02.one.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 732ms | Queries: -

📄 Records

TypeCountSample Data
A123.97.195.129
NS2ns02.one.com, ns01.one.com
MX4in2-smtp.messagingengine.com (pri: 20), mx2.forwardemail.net (pri: 30)...
TXT3v=spf1 include:spf.messagingengine.com i, forward-email=anders.r0x3r@gmail.com...
SOA1ns01.one.com hostmaster.one.com

Analysis

IP Addresses

codejudge.net points to a single IP number: 23.97.195.129.

Other host names, for instance randermann.eu, archivum.ch, urtegaarden.com, zbiletem.pl and rusnova.com share IP numbers with codejudge.net.

Name Servers

Delegation for codejudge.net rests with two name servers, ns01.one.com and ns02.one.com.

codejudge.net shares the same name server setup as other domains, including alansommer.com, bonusfreaks.com, melfraforum.dk, iip.dk and citydoctors.dk.

Host names with two IP numbers: ns01.one.com points to 2001:67c:28cc::10 and 195.206.121.10; ns02.one.com points to 2001:67c:3c0::10 and 185.10.11.10.

Mail Servers

codejudge.net is handled by four mail servers: in1-smtp.messagingengine.com, in2-smtp.messagingengine.com, mx1.forwardemail.net and mx2.forwardemail.net.

codejudge.net shares mail servers with other domains at least in part, for instance burrito.space, kellybrownsberger.com, upcoder.com, celebrationsbyvivian.com and ultrafastketoboost.com.

Host names with eight IP numbers:

in1-smtp.messagingengine.com points to: 103.168.172.216, 103.168.172.217, 103.168.172.218, 103.168.172.219, 103.168.172.220, 103.168.172.221, 103.168.172.222 and 103.168.172.223.

Host names with four IP numbers:

in2-smtp.messagingengine.com points to: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.

mx1.forwardemail.net points to: 2604:a880:2:d0::306:1, 2a02:6ea0:d71e::2, 121.127.44.56 and 138.197.213.185.

mx2.forwardemail.net points to: 2604:a880:400:d1::cd:9001, 2a02:6ea0:d71e::1, 104.248.224.170 and 121.127.44.59.