mail.fbsims.com - robtex.com

mail.fbsims.com

DNSSEC⚠️ Not signed
A23.126.140.97🇺🇸 AS701823.112.0.0/12 AT&T Enterprises, LLC
PTR23-126-140-97.lightspeed.miamfl.sbcglobal.net

fbsims.com

DNSSEC⚠️ Not signed
A23.126.140.97🇺🇸 AS701823.112.0.0/12 AT&T Enterprises, LLC
NSns3.fbsims.com ⭐ ⚠️ Not in parent delegation
NSns.fbsims.com ⚠️ Not in zone NS records
NSns4.fbsims.com ⚠️ Not in zone NS records
MXmail.fbsims.com ⭐
TXT_acme-challenge=K0WD4Ro8d69oH7uyXL6RVFdY7sd916NLzuPnr3qgLi4
TXTv=spf1 ip4:23.126.140.97/28 mx ~all
TXT_acme-challenge=U7xMZjvzhmhv7GDVbFqoHJgsHRG3RhntS80N2hx8YxQ
SOAns.fbsims.comroot@ns.fbsims.com 2025-06-04 #3

MX for

fbsims.com

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A23.126.140.9770.89.103.33
●A23.126.140.972026-03-21 → 2026-03-24 · 3 obs
○ 2016-08-11 01:35:30
● 2026-03-21 08:26:04
● 2026-03-24 01:13:26
○A70.89.103.332015-05-25 → 2016-08-11 · 4 obs
● 2015-05-25 14:38:10
● 2016-08-11 01:35:30
○ 2026-03-21 08:26:04
○ 2026-03-24 01:13:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
fbsims.comns4.fbsims.com, ns3.fbsims.com2 records

✅ Authoritative Response

Server:23.126.140.109

NS records: ns4.fbsims.com, ns3.fbsims.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fbsims.com (unsigned zone)

⏱️ Timing

Total: 3282ms | Queries: -

📄 Records

TypeCountSample Data
A123.126.140.97

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns4.fbsims.com, ns3.fbsims.com)

Analysis

Mail Server Role

mail.fbsims.com is the mail server for fbsims.com.

IP Addresses

mail.fbsims.com points to a single IP number: 23.126.140.97.

Other host names like 23-126-140-97.lightspeed.miamfl.sbcglobal.net and fbsims.com share IP numbers with mail.fbsims.com.