null.at - dns.ninja

`null.at`

DNSSEC	⚠️ Not signed
A	89.31.143.90^{🇩🇪 UDAG89.31.143.0/24}
NS	`ns.udag.de` ⭐
		A	2001:8d8:fe:53:217:160:80:253^{🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific}
			PTR	`ns.udag.de`
		A	217.160.80.253^{🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific}
			PTR	`ns.udag.de`
NS	`ns.udag.net`
		A	2607:f1c0:fe:53:185:132:33:253^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns.udag.net`
		A	185.132.33.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.net`
NS	`ns.udag.org`
		A	2607:f1c0:fe:53:185:132:34:253^{🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US}
			PTR	`ns.udag.org`
		A	185.132.34.253^{🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS)}
			PTR	`ns.udag.org`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`v=spf1 include:_spf.protonmail.ch ~all`
TXT	`protonmail-verification=5c7707f44fff40467f9c0054ef48cc7db8c4ed10`
SOA	`ns.udag.de`hostmaster@united-domains.de 2025-11-13 #68

`at`

	DNSSEC	🔒 Signed (DS record present)
	NS	`dns.nic.at` ⭐
	NS	`d.ns.at`
	NS	`j.ns.at`
	NS	`n.ns.at`
	NS	`ns1.univie.ac.at`
	NS	`ns2.univie.ac.at`
	NS	`r.ns.at`
	NS	`u.ns.at`
	SOA	`dns.nic.at`domain-admin@univie.ac.at serial=1784296802

Same first word

null.bss.design

null.boutir.com

null.plus

null.fit

null.info

null.biz

null.netlify.app

null.business

null.bot

null.eu.ngrok.io

null.barclays

null.noop.app

null.finance

null.rs

null.website.yandexcloud.net

null.taipei

null.rag-cloud-ch.hosteur.com

null.racing

null.kiev.ua

null.blogspot.co.za

null.campaign.gov.uk

null.fo

null.blogspot.sn

null.myspreadshop.de

null.ae

null.baby

null.actor

null.appengine.flow.ch

null.one

null.li

null.mom

null.pm

null.com.au

null.net.au

null.it

null.icu

null.s3.ap-northeast-2.amazonaws.com

null.management

null.azureedge.net

null.editorx.io

null.blue

null.health

null.town

null.apartments

null.lima-city.rocks

null.w-corp-staticblitz.com

null.luxe

null.directory

null.kinghost.net

null.blogspot.com.mt

null.blogspot.de

null.pe.kr

null.myasustor.com

null.bingo

null.oops.jp

null.ai

null.me.uk

null.gives

null.blogspot.co.ke

null.la

null.square7.ch

null.homesecuritymac.com

null.spdns.de

null.tube

null.12hp.ch

null.blogspot.se

null.wmflabs.org

null.web.id

null.qualifioapp.com

null.cash

null.co

null.mock.pstmn.io

null.red

null.social

null.global.ssl.fastly.net

null.technology

null.akamaized-staging.net

null.edgekey-staging.net

null.ge

null.cloudns.club

null.associates

null.r2.dev

null.myspreadshop.com.au

null.blob.core.windows.net

null.edu.lk

null.irish

null.s3-ap-southeast-1.amazonaws.com

null.net.co

null.loan

null.garden

null.outsystemscloud.com

null.hepforge.org

null.blogspot.co.il

null.s3-website.us-east-2.amazonaws.com

null.by

null.blogspot.hu

null.download

null.co.ke

null.capital

null.city

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null.al

null.s3-external-1.amazonaws.com

null.sx

null.pet

null.net.ph

null.i234.me

null.ne.jp

null.com.lk

null.ngrok.dev

null.blogspot.com.co

null.tuxfamily.org

null.tokyo

null.tattoo

null.media

null.best

null.game

null.blogspot.hk

null.myds.me

null.flights

null.unicloud.pl

null.blogspot.ro

null.fish

null.lima-city.at

null.beauty

null.blogspot.rs

null.com.cn

null.simplesite.gr

null.tax

null.how

null.s3.ap-southeast-2.amazonaws.com

null.is-cool.dev

null.cc

null.net.in

null.s3-website-eu-west-1.amazonaws.com

null.com

null.vin

null.com.co

null.casa

null.com.ua

null.notion.site

null.network

null.mail-box.ne.jp

null.blogspot.com.uy

null.as

null.x443.pw

null.readthedocs.io

null.house

null.my.id

null.stream

null.apps.fbsbx.com

null.de.com

null.operaunite.com

null.lib.ee

null.co.nz

null.org.uk

null.software

null.blogspot.ca

null.now.sh

null.s3.eu-west-1.amazonaws.com

null.blogspot.my

null.s3.eu-west-3.amazonaws.com

null.dynu.net

null.webthings.io

null.eu.platform.sh

null.dns-cloud.net

null.community

null.accountants

null.ec

null.band

null.tel

null.hatenadiary.org

null.js.org

null.cl

null.hk.com

null.me

null.df.gov.br

null.j.scaleforce.net

null.blogspot.lt

null.domains

null.org.cn

null.cloudns.eu

null.hf.space

null.mobi

null.gleeze.com

null.blogspot.com.ar

null.blogspot.it

null.lu

null.moscow

null.deals

null.2038.io

null.art.pl

null.gold

null.locker

null.s3.dualstack.us-west-2.amazonaws.com

null.nu

null.gitlab.io

null.azurestaticapps.net

null.so

null.photography

null.resindevice.io

DNS History

12 records (6 active, 6 former)

●NSns.udag.de2026-02-14 → 2026-07-17 · 3 obs

○ 2021-11-25 08:33:02
● 2026-02-14 22:16:34
● 2026-07-17 14:29:26

●NSns.udag.net2026-02-14 → 2026-07-17 · 3 obs

○ 2021-11-25 08:33:02
● 2026-02-14 22:16:34
● 2026-07-17 14:29:26

●NSns.udag.org2026-02-14 → 2026-07-17 · 3 obs

○ 2021-11-25 08:33:02
● 2026-02-14 22:16:34
● 2026-07-17 14:29:26

○NSns1.system.at2019-09-27 → 2021-11-25 · 5 obs

○ 2016-10-24 14:00:52
● 2019-09-27 11:30:48
● 2021-11-25 08:33:02
○ 2026-02-14 22:16:34
○ 2026-07-17 14:29:26

○NSns1.upserver.at2015-04-14 → 2016-10-24 · 4 obs

● 2015-04-14 04:35:12
● 2016-10-24 14:00:52
○ 2019-09-27 11:30:48
○ 2026-07-17 14:29:26

○NSns2.system.at2019-09-27 → 2021-11-25 · 5 obs

○ 2016-10-24 14:00:52
● 2019-09-27 11:30:48
● 2021-11-25 08:33:02
○ 2026-02-14 22:16:34
○ 2026-07-17 14:29:26

○NSns2.upserver.at2015-04-14 → 2016-10-24 · 4 obs

● 2015-04-14 04:35:12
● 2016-10-24 14:00:52
○ 2019-09-27 11:30:48
○ 2026-07-17 14:29:26

●MXmail.protonmail.ch2026-02-14 → 2026-07-17 · 11 obs

○ 2021-11-25 08:33:02
● 2026-02-14 22:16:34
● 2026-06-09 18:09:18
○ 2026-06-09 18:45:54
● 2026-06-09 19:42:14
● 2026-06-12 05:43:48
○ 2026-06-12 06:25:20
● 2026-06-12 06:59:54
○ 2026-07-11 01:18:56
● 2026-07-11 02:37:12
● 2026-07-17 14:29:26

○MXmail.system.at2019-09-27 → 2021-11-25 · 5 obs

○ 2016-10-24 14:00:52
● 2019-09-27 11:30:48
● 2021-11-25 08:33:02
○ 2026-02-14 22:16:34
○ 2026-07-17 14:29:26

○MXmail.upserver.at2015-04-14 → 2016-10-24 · 4 obs

● 2015-04-14 04:35:12
● 2016-10-24 14:00:52
○ 2019-09-27 11:30:48
○ 2026-07-17 14:29:26

●MXmailsec.protonmail.ch2026-02-14 → 2026-07-17 · 11 obs

●A89.31.143.902026-02-14 → 2026-07-17 · 10 obs

● 2026-02-14 22:16:34
● 2026-06-09 18:09:18
○ 2026-06-09 18:45:54
● 2026-06-09 19:42:14
● 2026-06-12 05:43:48
○ 2026-06-12 06:25:20
● 2026-06-12 06:59:54
○ 2026-07-11 01:18:56
● 2026-07-11 02:37:12
● 2026-07-17 14:29:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
at	d.ns.at, j.ns.at, n.ns.at, r.ns.at...	-
null.at	ns.udag.de, ns.udag.net, ns.udag.org	-

✅ Authoritative Response

Server:185.132.34.253

NS records: ns.udag.de, ns.udag.net, ns.udag.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for null.at (unsigned zone)

⏱️ Timing

Total: 660ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`89.31.143.90`
NS	3	`ns.udag.de, ns.udag.net...`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	2	`v=spf1 include:_spf.protonmail.ch ~all, protonmail-verification=5c7707f44fff4046`
SOA	1	`ns.udag.de hostmaster.united-domains.de`

Analysis

IP Addresses

null.at directs to one IP number, which is 89.31.143.90.

Among the host names that share IP numbers with null.at are apm-nrw.de, mail.dold-werbung.de, powerservice.mobi and two others.

Name Servers

Three name servers are authoritative for null.at: ns.udag.de, ns.udag.net and ns.udag.org.

There is at least partial name server overlap between null.at and other domains — ampius.cl, alleestrasse.com, massivmoebel.at and two more among them.

ns.udag.de resolves to 217.160.80.253 and 2001:8d8:fe:53:217:160:80:253. ns.udag.net resolves to 185.132.33.253 and 2607:f1c0:fe:53:185:132:33:253. ns.udag.org resolves to 185.132.34.253 and 2607:f1c0:fe:53:185:132:34:253. All three hostnames point to two IP numbers each.

Mail Servers

The MX records for null.at point to two mail servers: mail.protonmail.ch and mailsec.protonmail.ch.

null.at has the same mail server arrangement as a number of other domains, for example havlick.net, zueri.city, logal.dev and two more.

null.at shares at least some of its mail servers with other domains — for example theaaacompany.com, knal.es, sigaba.net and two more.

mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129. Both hosts resolve to three IP numbers.