smtp.post.com - robtex.com

smtp.post.com

DNSSEC⚠️ Not signed
A204.74.99.100🇺🇸 MAINT-ID-12008204.74.99.0/24 Neustar

post.com

DNSSEC⚠️ Not signed
A199.36.158.100🇺🇸 Fastly199.36.158.0/24 Google
NSudns1.ultradns.net ⭐
NSpdns1.ultradns.net
NSpdns2.ultradns.net
NSpdns3.ultradns.org
NSpdns4.ultradns.org
NSpdns5.ultradns.info ⚠️ Not in parent delegation
NSpdns6.ultradns.co.uk ⚠️ Not in parent delegation
MXmx00.mail.com ⭐
MXmx01.mail.com ⭐
TXTv=spf1 redirect=_spf.mail.com
TXThosting-site=post-landing-site
SOAudns1.ultradns.netggorman@world.com 2014-09-15 #63
WOT: SAFE (50/100)
WOT: SAFE (50/100)

Same first word

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DNS History

1 record (1 active, 0 former)

201820192020202120222023202420252026A204.74.99.100
●A204.74.99.1002017-03-28 → 2026-07-21 · 2 obs
● 2017-03-28 04:08:54
● 2026-07-21 17:53:00

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net...-
post.compdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net-

✅ Authoritative Response

Server:204.74.108.1

NS records: pdns3.ultradns.org, pdns4.ultradns.org, pdns1.ultradns.net, pdns2.ultradns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for post.com (unsigned zone)

⏱️ Timing

Total: 353ms | Queries: -

📄 Records

TypeCountSample Data
A1204.74.99.100

Analysis

IP Addresses

smtp.post.com directs to one IP number, which is 204.74.99.100.

Among the host names that share IP numbers with smtp.post.com are biztechmsp.com, anthropologie.co.nz, detroithomepages.com and two others.