ns.z3.net - robtex.com

ns.z3.net

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

z3.net

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 2026-03-20 #0

Same first word

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DNS History

5 records (4 active, 1 former)

20162017201820192020202120222023202420252026MXin1-smtp.messagingengine.comin2-smtp.messagingengine.comA103.168.172.37103.168.172.52209.105.238.170
●MXin1-smtp.messagingengine.com2026-04-14 → 2026-04-14 · 1 obs
● 2026-04-14 08:30:52
●MXin2-smtp.messagingengine.com2026-04-14 → 2026-04-14 · 1 obs
● 2026-04-14 08:30:52
●A103.168.172.372026-04-14 → 2026-04-14 · 2 obs
○ 2016-08-10 07:58:16
● 2026-04-14 08:30:52
●A103.168.172.522026-04-14 → 2026-04-14 · 2 obs
○ 2016-08-10 07:58:16
● 2026-04-14 08:30:52
○A209.105.238.1702015-07-24 → 2016-08-10 · 3 obs
● 2015-07-24 13:47:34
● 2016-08-10 07:58:16
○ 2026-04-14 08:30:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
netg.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...-
z3.netns1.messagingengine.com, ns2.messagingengine.com-

✅ Authoritative Response

Server:162.159.24.178

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for z3.net (unsigned zone)

⏱️ Timing

Total: 241ms | 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

ns.z3.net points to two IP numbers: 103.168.172.37 and 103.168.172.52.

Other host names, for instance www.test.arienh4.net, plugin1.govready.com, intectus.co.uk, cjoh.net and securesystem.se share IP numbers with ns.z3.net.

Mail Servers

ns.z3.net is handled by two mail servers: in1-smtp.messagingengine.com and in2-smtp.messagingengine.com.

ns.z3.net shares the same mail server setup as other domains, including htdvisser.nl, mail.feague.org, psych0tik.net, ezonesolutions.imap.cc and hkr.com.

Host names with eight IP numbers:

The host name in1-smtp.messagingengine.com resolves 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:

The host name in2-smtp.messagingengine.com resolves to: 202.12.124.216, 202.12.124.217, 202.12.124.218 and 202.12.124.219.