null.cat - dns.ninja

null.cat

DNSSEC⚠️ Not signed
NSns1.blacknightdns.com ⭐
A78.153.203.12🇮🇪 BLACKNIGHT-AS78.153.192.0/19 IE-BLACKNIGHT-NET2-PA
PTRns1.blacknightdns.com
NSns2.blacknightdns.com
A81.17.240.172🇮🇪 BLACKNIGHT-AS81.17.240.0/24 IE-BLACKNIGHT-INFRA
PTRns2.blacknightdns.com
NSns3.blacknightdns.com
A2a00:fea0:dead::beef🇮🇳 GRANSY2a00:fea0::/32 Anycast DNS project
A185.28.194.194🇨🇿 GRANSY185.28.194.0/24 Network of Gransy s.r.o.
PTRns2.anycastdns.cz
NSns4.blacknightdns.com
A185.38.108.108🇨🇿 GRANSY185.38.108.0/24 Anycast DNS project
PTRns1.anycastdns.cz
MXmx0101.titan.email ⭐
A3.67.118.133🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix
PTRec2-3-67-118-133.eu-central-1.compute.amazonaws.com
A18.193.24.84🇩🇪 Amazon18.192.0.0/15 EC2 FRA prefix
PTRec2-18-193-24-84.eu-central-1.compute.amazonaws.com
MXmx0102.titan.email(20)
A3.67.118.133🇩🇪 Amazon3.64.0.0/12 EC2 FRA Prefix
PTRec2-3-67-118-133.eu-central-1.compute.amazonaws.com
A18.193.24.84🇩🇪 Amazon18.192.0.0/15 EC2 FRA prefix
PTRec2-18-193-24-84.eu-central-1.compute.amazonaws.com
TXTv=spf1 a include:spf0101.titan.email ~all
SOAns1.blacknightdns.comhostmaster@null.cat 2025-04-25 #10

cat

DNSSEC🔒 Signed (DS record present)
NSanyc1.irondns.net ⭐
NScat.ns.nic.es
NScat.pch.net
NSnsc.nic.de
NSswitch.nic.cat
SOAanyc1.irondns.netdnsmaster@corenic.org serial=2607200255

Same first word

null.co.il
null.codes
null.xmit.dev
null.duckdns.org
null.sh
null.space
null.jpn.com
null.bplaced.de
null.earth
null.nhs.uk
null.flier.jp
null.win
null.ninja
null.jls-sto3.elastx.net
null.style
null.it.com
null.bio
null.awsapps.com
null.pro
null.us.com
null.cafe
null.solutions
null.mil.ph
null.discordsays.com
null.gloomy.jp
null.reserve-online.net
null.ric.jelastic.vps-host.net
null.bh
null.vc
null.skin
null.blogspot.pt
null.dyndns.org
null.web.lk
null.nl
null.gift
null.j.scaleforce.com.cy
null.mircloud.host
null.fashionstore.jp
null.s3-website.ap-south-1.amazonaws.com
null.s3-eu-west-1.amazonaws.com
null.cloudns.biz
null.vg
null.a.prod.fastly.net
null.builders
null.workers.dev
null.ml
null.s3-website.ap-northeast-2.amazonaws.com
null.com.br
null.mobile
null.ad
null.s3.ap-northeast-1.amazonaws.com
null.s3.us-east-1.amazonaws.com
null.tf
null.im
null.west1-us.cloudjiffy.net
null.co.za
null.watch
null.wine
null.meteorapp.com
null.hr
null.com.ws
null.blogspot.com.by
null.cloudns.org
null.io
null.ru
null.is-a.dev
null.org.ee
null.square7.de
null.radio.fm
null.site
null.vision
null.cab
null.cleverapps.io
null.lima-city.de
null.bz
null.vn
null.googlecode.com
null.pl
null.lk
null.eu
null.dedyn.io
null.blogspot.com.au
null.games
null.kitchen
null.elementor.cloud
null.freeddns.us
null.farm
null.dev
null.canva-apps.cn
null.blogspot.is
null.woltlab-demo.com
null.barsy.menu
null.pink
null.blogspot.lu
null.s3.amazonaws.com
null.bet
null.lcube-server.de
null.codespot.com
null.uz
null.fail

Similar names

llun.net
unll.com
null.canva-apps.com
null.cam
null.pk
null.j.layershift.co.uk
null.cloudns.cc
null.id
null.s3-website-us-east-1.amazonaws.com
null.in.net
null.org.tr
null.news
null.bplaced.net
null.blogspot.am
null.cool
null.blogspot.com
null.net.ua
null.college
null.mydns.jp
null.blogspot.jp
null.academy
null.exchange
null.github.io
null.works
null.ch.trendhosting.cloud
null.ng
null.istanbul
null.ac.cn
null.4u.com
null.s3-sa-east-1.amazonaws.com
null.heteml.net
null.express
null.oxa.cloud
null.a.ssl.fastly.net
null.leadpages.co
null.agency
null.email
null.lima-city.ch
null.s3.pl-waw.scw.cloud
null.group

DNS History

29 records (6 active, 23 former)

20162017201820192020202120222023202420252026NSns1.blacknightdns.comns2.blacknightdns.comns3.blacknightdns.comns4.blacknightdns.comadrian.ns.cloudflare.comdamon.ns.cloudflare.comjake.ns.cloudflare.comns14.wixdns.netns15.wixdns.netolga.ns.cloudflare.comMXmx0101.titan.emailmx0102.titan.email9bf183558d2ca74e20e01774de1dac.pamx1.hotmail.comalt1.aspmx.l.google.comalt2.aspmx.l.google.comalt3.aspmx.l.google.comalt4.aspmx.l.google.comaspmx.l.google.commx.touhou.ioA104.21.57.97104.27.140.102104.27.141.102172.67.145.2023.236.62.1472606:4700:3030::681b:8d662606:4700:3032::6815:39612606:4700:3034::681b:8c662606:4700:3037::ac43:911481.4.102.102
○NSadrian.ns.cloudflare.com2020-07-03 → 2021-11-25 · 5 obs
○ 2019-08-21 21:36:32
● 2020-07-03 06:56:40
● 2021-11-25 08:33:18
○ 2026-02-15 10:15:38
○ 2026-07-20 03:28:32
○NSdamon.ns.cloudflare.com2020-07-03 → 2021-11-25 · 5 obs
○ 2019-08-21 21:36:32
● 2020-07-03 06:56:40
● 2021-11-25 08:33:18
○ 2026-02-15 10:15:38
○ 2026-07-20 03:28:32
○NSjake.ns.cloudflare.com2015-06-15 → 2017-01-09 · 4 obs
● 2015-06-15 03:11:36
● 2017-01-09 09:50:28
○ 2017-11-26 22:13:40
○ 2026-07-20 03:28:32
●NSns1.blacknightdns.com2026-02-15 → 2026-07-20 · 3 obs
○ 2021-11-25 08:33:18
● 2026-02-15 10:15:38
● 2026-07-20 03:28:32
○NSns14.wixdns.net2017-11-26 → 2019-08-21 · 5 obs
○ 2017-01-09 09:50:28
● 2017-11-26 22:13:40
● 2019-08-21 21:36:32
○ 2020-07-03 06:56:40
○ 2026-07-20 03:28:32
○NSns15.wixdns.net2017-11-26 → 2019-08-21 · 5 obs
○ 2017-01-09 09:50:28
● 2017-11-26 22:13:40
● 2019-08-21 21:36:32
○ 2020-07-03 06:56:40
○ 2026-07-20 03:28:32
●NSns2.blacknightdns.com2026-02-15 → 2026-07-20 · 3 obs
○ 2021-11-25 08:33:18
● 2026-02-15 10:15:38
● 2026-07-20 03:28:32
●NSns3.blacknightdns.com2026-02-15 → 2026-07-20 · 3 obs
○ 2021-11-25 08:33:18
● 2026-02-15 10:15:38
● 2026-07-20 03:28:32
●NSns4.blacknightdns.com2026-02-15 → 2026-07-20 · 3 obs
○ 2021-11-25 08:33:18
● 2026-02-15 10:15:38
● 2026-07-20 03:28:32
○NSolga.ns.cloudflare.com2015-06-15 → 2017-01-09 · 4 obs
● 2015-06-15 03:11:36
● 2017-01-09 09:50:28
○ 2017-11-26 22:13:40
○ 2026-07-20 03:28:32
○MX9bf183558d2ca74e20e01774de1dac.pamx1.hotmail.com2015-06-15 → 2015-06-15 · 3 obs
● 2015-06-15 03:11:36
○ 2015-10-27 12:29:58
○ 2026-07-20 03:28:32
○MXalt1.aspmx.l.google.com2015-10-27 → 2021-11-25 · 5 obs
○ 2015-06-15 03:11:36
● 2015-10-27 12:29:58
● 2021-11-25 08:33:18
○ 2026-02-15 10:15:38
○ 2026-07-20 03:28:32
○MXalt2.aspmx.l.google.com2015-10-27 → 2021-11-25 · 5 obs
○ 2015-06-15 03:11:36
● 2015-10-27 12:29:58
● 2021-11-25 08:33:18
○ 2026-02-15 10:15:38
○ 2026-07-20 03:28:32
○MXalt3.aspmx.l.google.com2015-10-27 → 2021-11-25 · 5 obs
○ 2015-06-15 03:11:36
● 2015-10-27 12:29:58
● 2021-11-25 08:33:18
○ 2026-02-15 10:15:38
○ 2026-07-20 03:28:32
○MXalt4.aspmx.l.google.com2015-10-27 → 2021-11-25 · 5 obs
○ 2015-06-15 03:11:36
● 2015-10-27 12:29:58
● 2021-11-25 08:33:18
○ 2026-02-15 10:15:38
○ 2026-07-20 03:28:32
○MXaspmx.l.google.com2015-10-27 → 2021-11-25 · 5 obs
○ 2015-06-15 03:11:36
● 2015-10-27 12:29:58
● 2021-11-25 08:33:18
○ 2026-02-15 10:15:38
○ 2026-07-20 03:28:32
○MXmx.touhou.io2015-06-15 → 2015-06-15 · 3 obs
● 2015-06-15 03:11:36
○ 2015-10-27 12:29:58
○ 2026-07-20 03:28:32
●MXmx0101.titan.email2026-02-15 → 2026-07-20 · 13 obs
○ 2021-11-25 08:33:18
● 2026-02-15 10:15:38
● 2026-06-04 03:23:08
○ 2026-06-04 04:37:50
● 2026-06-08 00:12:52
● 2026-06-09 19:55:16
○ 2026-06-09 20:28:12
○ 2026-06-09 22:27:08
● 2026-06-10 02:30:32
● 2026-06-10 15:14:54
○ 2026-06-11 04:21:06
● 2026-06-11 16:56:36
● 2026-07-20 03:28:32
●MXmx0102.titan.email2026-02-15 → 2026-07-20 · 13 obs
○ 2021-11-25 08:33:18
● 2026-02-15 10:15:38
● 2026-06-04 03:23:08
○ 2026-06-04 04:37:50
● 2026-06-08 00:12:52
● 2026-06-09 19:55:16
○ 2026-06-09 20:28:12
○ 2026-06-09 22:27:08
● 2026-06-10 02:30:32
● 2026-06-10 15:14:54
○ 2026-06-11 04:21:06
● 2026-06-11 16:56:36
● 2026-07-20 03:28:32
○A104.21.57.972021-03-04 → 2021-06-09 · 5 obs
○ 2020-11-29 22:41:30
● 2021-03-04 16:40:08
● 2021-06-09 00:15:30
○ 2021-11-25 08:33:18
○ 2026-07-20 03:28:32
○A104.27.140.1022020-07-03 → 2020-11-29 · 5 obs
○ 2019-08-21 21:36:32
● 2020-07-03 06:56:40
● 2020-11-29 22:41:30
○ 2021-03-04 16:40:08
○ 2026-07-20 03:28:32
○A104.27.141.1022020-07-03 → 2020-11-29 · 5 obs
○ 2019-08-21 21:36:32
● 2020-07-03 06:56:40
● 2020-11-29 22:41:30
○ 2021-03-04 16:40:08
○ 2026-07-20 03:28:32
○A172.67.145.202020-07-03 → 2021-06-09 · 5 obs
○ 2019-08-21 21:36:32
● 2020-07-03 06:56:40
● 2021-06-09 00:15:30
○ 2021-11-25 08:33:18
○ 2026-07-20 03:28:32
○A23.236.62.1472017-11-26 → 2019-08-21 · 5 obs
○ 2017-01-09 09:50:28
● 2017-11-26 22:13:40
● 2019-08-21 21:36:32
○ 2020-07-03 06:56:40
○ 2026-07-20 03:28:32
○A2606:4700:3030::681b:8d662020-07-03 → 2020-11-29 · 5 obs
○ 2019-08-21 21:36:32
● 2020-07-03 06:56:40
● 2020-11-29 22:41:30
○ 2021-03-04 16:40:08
○ 2026-07-20 03:28:32
○A2606:4700:3032::6815:39612021-03-04 → 2021-06-09 · 5 obs
○ 2020-11-29 22:41:30
● 2021-03-04 16:40:08
● 2021-06-09 00:15:30
○ 2021-11-25 08:33:18
○ 2026-07-20 03:28:32
○A2606:4700:3034::681b:8c662020-07-03 → 2020-11-29 · 5 obs
○ 2019-08-21 21:36:32
● 2020-07-03 06:56:40
● 2020-11-29 22:41:30
○ 2021-03-04 16:40:08
○ 2026-07-20 03:28:32
○A2606:4700:3037::ac43:91142020-07-03 → 2021-06-09 · 5 obs
○ 2019-08-21 21:36:32
● 2020-07-03 06:56:40
● 2021-06-09 00:15:30
○ 2021-11-25 08:33:18
○ 2026-07-20 03:28:32
○A81.4.102.1022015-06-15 → 2017-01-09 · 4 obs
● 2015-06-15 03:11:36
● 2017-01-09 09:50:28
○ 2017-11-26 22:13:40
○ 2026-07-20 03:28:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
catnsc.nic.de, anyc1.irondns.net, switch.nic.cat, cat.pch.net...10 records
null.catns3.blacknightdns.com, ns4.blacknightdns.com, ns2.blacknightdns.com, ns1.blacknightdns.com-

✅ Authoritative Response

Server:81.17.240.172

NS records: ns3.blacknightdns.com, ns4.blacknightdns.com, ns2.blacknightdns.com, ns1.blacknightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for null.cat (unsigned zone)

⏱️ Timing

Total: 1253ms | Queries: -

📄 Records

TypeCountSample Data
NS4ns4.blacknightdns.com, ns3.blacknightdns.com...
MX2mx0101.titan.email (pri: 10), mx0102.titan.email (pri: 20)
TXT1v=spf1 a include:spf0101.titan.email ~a
SOA1ns1.blacknightdns.com hostmaster.null.ca

📌 Glue Records Collected

Total: 10

In-bailiwick: 2 (switch.nic.cat, switch.nic.cat)

Out-of-bailiwick: 8 (anyc1.irondns.net, nsc.nic.de, cat.pch.net...)

Analysis

Name Servers

Four name servers handle the delegation for null.cat: ns1.blacknightdns.com, ns2.blacknightdns.com, ns3.blacknightdns.com and ns4.blacknightdns.com.

At least some of null.cat's name servers are shared with other domains, for example sacar.ie, hct.ie, grandcanalhotel.com and two more.

Host names pointing to two IP addresses:

ns3.blacknightdns.com directs traffic to 185.28.194.194 and 2a00:fea0:dead::beef.

Host names resolving to a single IP address:

ns1.blacknightdns.com has the IP address 78.153.203.12.

ns2.blacknightdns.com has the IP address 81.17.240.172.

ns4.blacknightdns.com has the IP address 185.38.108.108.

Mail Servers

null.cat uses two mail servers, mx0101.titan.email and mx0102.titan.email.

The mail server setup of null.cat matches that of other domains such as ogvco.com, bhaile.ie, petroknowledqe.com and two others.

null.cat overlaps on mail servers with certain other domains, terrykeysbooks.com among them.

mx0101.titan.email and mx0102.titan.email share the same two IP addresses — 3.67.118.133 and 18.193.24.84.

Both mx0101.titan.email and mx0102.titan.email resolve to 3.67.118.133 IP addresses each.

Both mx0101.titan.email and mx0102.titan.email resolve to 18.193.24.84 IP addresses each.