null.x2a.ch - robtex.com

null.x2a.ch

DNSSEC⚠️ Not signed
A103.168.172.37🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
PTRwww.messagingengine.com
A103.168.172.52🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
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

x2a.ch

DNSSEC⚠️ Not signed
A103.168.172.37🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
A103.168.172.52🇺🇸 FASTMAILPTYLTD-AS-AP103.168.172.0/24 Fastmail Pty Ltd Level 2, 114 William Street
NSns1.messagingengine.com ⭐
NSns2.messagingengine.com
MXin1-smtp.messagingengine.com ⭐
MXin2-smtp.messagingengine.com(20)
TXTv=spf1 include:spf.messagingengine.com ?all
SOAns1.messagingengine.compostmaster@messagingengine.com 2026-07-02 #0

Same first word

null.rehab
null.ro
null.ru.com
null.tt
null.boutir.com
null.plus
null.fit
null.info
null.biz
null.netlify.app
null.business
null.bot
null.barclays
null.noop.app
null.finance
null.rs
null.taipei
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null.blogspot.co.za
null.fo
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null.baby
null.appengine.flow.ch
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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.luxe
null.directory
null.kinghost.net
null.blogspot.com.mt
null.blogspot.de
null.pe.kr
null.myasustor.com
null.bingo
null.ai
null.me.uk
null.gives
null.blogspot.co.ke
null.la
null.square7.ch
null.spdns.de
null.tube
null.blogspot.se
null.web.id
null.qualifioapp.com
null.cash
null.co
null.red
null.social
null.global.ssl.fastly.net
null.technology
null.ge
null.associates
null.r2.dev
null.myspreadshop.com.au
null.blob.core.windows.net
null.irish
null.s3-ap-southeast-1.amazonaws.com
null.net.co
null.loan
null.garden
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
null.gg
null.s3-website-us-west-1.amazonaws.com
null.select
null.ink
null.s3-website-sa-east-1.amazonaws.com
null.sakura.ne.jp
null.4lima.at
null.ladesk.com
null.blogspot.dk
null.s3.eu-west-2.amazonaws.com
null.ir
null.page
null.store
null.tools

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null.s3.eu-west-1.amazonaws.com
null.blogspot.my
null.s3.eu-west-3.amazonaws.com
null.dns-cloud.net
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null.s3.dualstack.us-west-2.amazonaws.com
null.nu
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null.hatenablog.jp
null.ly
null.s3-ap-southeast-2.amazonaws.com
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null.sc
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null.institute
llun.in.th

DNS History

4 records (4 active, 0 former)

MXin1-smtp.messagingengine.comin2-smtp.messagingengine.comA103.168.172.37103.168.172.52
●MXin1-smtp.messagingengine.com2026-06-09 → 2026-07-05 · 2 obs
● 2026-06-09 21:44:30
● 2026-07-05 01:30:48
●MXin2-smtp.messagingengine.com2026-06-09 → 2026-07-05 · 2 obs
● 2026-06-09 21:44:30
● 2026-07-05 01:30:48
●A103.168.172.372026-06-09 → 2026-07-05 · 2 obs
● 2026-06-09 21:44:30
● 2026-07-05 01:30:48
●A103.168.172.522026-06-09 → 2026-07-05 · 2 obs
● 2026-06-09 21:44:30
● 2026-07-05 01:30:48

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cha.nic.ch, d.nic.ch, f.nic.ch, b.nic.ch...-
x2a.chns2.messagingengine.com, ns1.messagingengine.com-

✅ Authoritative Response

Server:162.159.25.191

NS records: ns2.messagingengine.com, ns1.messagingengine.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for x2a.ch (unsigned zone)

⏱️ Timing

Total: 1078ms | Queries: -

📄 Records

TypeCountSample Data
A2103.168.172.37, 103.168.172.52
MX2in1-smtp.messagingengine.com (pri: 10), in2-smtp.messagingengine.com (pri: 20)

Analysis

IP Addresses

null.x2a.ch points to the IP addresses 103.168.172.37 and 103.168.172.52

Two other host names, along with farnooshfasihi.com, wilsonwong.org and onafi.fastmail.fm, also share IP numbers with null.x2a.ch.

Mail Servers

null.x2a.ch is served by two mail servers, in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

Among the domains sharing a mail server setup with null.x2a.ch are 131.110.181.58.dynamic.max.com.pk, ympd.org, droni.es and two others.

null.x2a.ch has mail servers in common with other domains — emsoft.com being one example.

DNS names with 8 IP addresses:

in1-smtp.messagingengine.com resolves to 103.168.172.216, 103.168.172.217, 103.168.172.218 and 5 other IP addresses.

Host names that resolve to four IP numbers:

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