`mail.twentyfirst.de`

DNSSEC	⚠️ Not signed
NS	`ns1.nameshift.com` ⚠️ Not in parent delegation
		A	2a13:9500:170::1^{🇬🇧 AS229272000::/3}
		A	5.83.212.1^{🇬🇧 ORG-SDL28-RIPE5.83.212.0/24 autogen}
NS	`ns2.nameshift.com` ⚠️ Not in parent delegation
		A	2a13:9500:170::2^{🇬🇧 AS229272000::/3}
		A	5.83.212.2^{🇬🇧 ORG-SDL28-RIPE5.83.212.0/24 autogen}
NS	`xmhvxw.ns3.nameshift.com` ⚠️ Not in parent delegation
		A	2a13:9500:170::3^{🇬🇧 AS229272000::/3}
		A	5.83.212.3^{🇬🇧 ORG-SDL28-RIPE5.83.212.0/24 autogen}

`twentyfirst.de`

	DNSSEC	⚠️ Not signed
	A	2604:a880:800:14:0:1:f06c:6000^{🇺🇸 DIGITALOCEAN2604:a880:800::/48 DigitalOcean}
	A	134.199.240.162^{🇺🇸 DIGITALOCEAN134.199.240.0/20 DigitalOcean}
	NS	`ns1.nameshift.com` ⭐
	NS	`ns2.nameshift.com`
	NS	`xmhvxw.ns3.nameshift.com`
	TXT	`v=spf1 -all`
	SOA	`ns1.nameshift.com`hostmaster@nameshift.com serial=1778821200

Previously MX for

twentyfirst.de

Same first word

mail.ciao.jp

mail.gov.vc

mail.realm.cz

mail.vu

mail.center

mail.fi

mail.kg

mail.mayfirst.org

mail.systems

mail.itigo.jp

mail.cl

mail.vc

mail.babymilk.jp

mail.gov.by

mail.chat

mail.fastvps.host

mail.style

mail.altervista.org

mail.monster

mail.ngo.za

mail.awsapps.com

mail.biz

mail.gov.lv

mail.jetzt

mail.kh.ua

mail.ru

mail.myeffect.net

mail.myshopify.com

mail.123hjemmeside.dk

mail.gov.ps

mail.ml

mail.fo

mail.expert

mail.mil.tm

mail.team

mail.com.ru

mail.tn

mail.serveftp.com

mail.by

mail.peewee.jp

mail.virtualuser.de

mail.charity

mail.exchange

mail.live

mail.lk3.ru

mail.com.mk

mail.ap.gov.br

mail.dp.ua

mail.myjino.ru

mail.space

mail.net.ph

mail.rr.gov.br

mail.read-books.org

mail.ilovecollege.info

mail.gmx

mail.info.pl

mail.community

mail.cleaning

mail.bh

mail.site

mail.select

mail.email

mail.blue

mail.tools

mail.sy

mail.li

mail.rw

mail.vision

mail.sk

mail.at

mail.surf

mail.gov.ge

mail.dating

mail.travel

mail.td

mail.nr

mail.nrw

mail.xyz

mail.loginto.me

mail.bio

mail.dk

mail.main.jp

mail.graphics

mail.lc

mail.city

mail.yt

mail.watch

mail.lomo.jp

mail.lu

mail.tel

mail.ws

mail.holiday

mail.zombie.jp

mail.ma

mail.mr

mail.gov.af

mail.hashbang.sh

mail.mil.ru

mail.schwarz

mail.co.uk

mail.net.mk

mail.rj.gov.br

mail.freedesktop.org

mail.direct

mail.yandex

mail.sh.cn

mail.vacations

mail.my

Similar names

mail.gov.rs

mail.dnsalias.net

ilma.us

mail.pro.br

liam.org.my

lima.se

amil.it

imla.nl

mail.ne.jp

lima.life

mila.cz

lima.tech

mail.co.jp

amli.dev

mail.be

mail.com.vn

mail.how

aiml.in

mial.co

imal.ma

almi.org

aiml.com

mail.in-brb.de

mail.ro

mail.com.hk

mail.neustar

mail.ao

mail.pw

mail.broker

mail.school

mail.land

mail.yahoo

mail.edu.ge

imal.nl

mail.ps

mail.edu.ee

liam.media

mail.gouv.ci

almi.by

mail.gi

aiml.se

mail.fr

mail.mil.id

mail.k12.vt.us

mail.photos

mail.omg.lol

alim.com

mail.ooo

ilma.edu.lk

mail.cloudaccess.net

mail.girly.jp

laim.cn

mail.ec

mail.blog

mail.potager.org

mail.v.ua

mail.copro.uk

liam.sh

mail.or.id

aiml.tech

mail.kim

mail.md

mail.gov.ls

mail.edu.tt

mail.si

ilam.us

mail.gov.rw

mail.gov.bs

mail.ca

amil.co.in

mail.je

ilma.dev

amil.in

mail.ks.ua

laim.com

mail.org.br

mail.technology

mail.edu.ru

ailm.de

mail.edu.az

mail.global

mail.bambina.jp

ilma.de

mail.hu.net

mail.whitesnow.jp

mail.se

mail.keymachine.de

imla.org

mail.gd

mail.ms.gov.br

mail.csx.cc

mail.basicserver.io

ilma.net

mail.coupons

lmia.fr

lima.be

mail.js.org

almi.info

liam.se

imal.es

DNS History

6 records (3 active, 3 former)

●NSns1.nameshift.com2026-05-15 → 2026-05-15 · 2 obs

● 2026-05-15 05:43:52
● 2026-05-15 05:43:54

●NSns2.nameshift.com2026-05-15 → 2026-05-15 · 2 obs

● 2026-05-15 05:43:52
● 2026-05-15 05:43:54

●NSxmhvxw.ns3.nameshift.com2026-05-15 → 2026-05-15 · 2 obs

● 2026-05-15 05:43:52
● 2026-05-15 05:43:54

○A213.133.106.222015-06-26 → 2016-02-09 · 4 obs

● 2015-06-26 08:10:54
● 2016-02-09 11:32:56
○ 2016-05-06 17:15:54
○ 2026-05-15 05:43:54

○A2a01:488:42:1000:50ed:852f:19:3c712016-05-06 → 2016-05-06 · 4 obs

○ 2016-02-09 11:32:56
● 2016-05-06 17:15:54
○ 2026-05-15 05:43:52
○ 2026-05-15 05:43:54

○A80.237.133.472016-05-06 → 2016-05-06 · 4 obs

○ 2016-02-09 11:32:56
● 2016-05-06 17:15:54
○ 2026-05-15 05:43:52
○ 2026-05-15 05:43:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
de	a.nic.de, f.nic.de, z.nic.de	-
twentyfirst.de	ns1.nameshift.com, ns2.nameshift.com, xmhvxw.ns3.nameshift.com	-

✅ Authoritative Response

Server:5.83.212.1

NS records: ns1.nameshift.com, ns2.nameshift.com, xmhvxw.ns3.nameshift.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for twentyfirst.de (unsigned zone)

⏱️ Timing

Total: 964ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns1.nameshift.com, ns2.nameshift.com...`
MX	1	`. (pri: 0)`

Analysis

Name Servers

mail.twentyfirst.de is delegated to three name servers: ns1.nameshift.com, ns2.nameshift.com and xmhvxw.ns3.nameshift.com.

mail.twentyfirst.de partially shares name servers with other domains; examples include ns1.b2m.fr, inners.eu, mx.www.spss.be, hellskitchen.be and milkdrop.co.uk.

These name servers are commonly used with the name servers poit15.ns3.nameshift.com, lb9d7c.ns3.nameshift.com, 5vyid0.ns3.nameshift.com, 22c3dz.ns3.nameshift.com and 6uwma6.ns3.nameshift.com.

Host names with two IP numbers:

ns1.nameshift.com points to 2a13:9500:170::1 and 5.83.212.1.

ns2.nameshift.com points to 2a13:9500:170::2 and 5.83.212.2.

xmhvxw.ns3.nameshift.com points to 2a13:9500:170::3 and 5.83.212.3.

mail.twentyfirst.de - robtex.com