mail.lettermans.com - robtex.com

mail.lettermans.com

DNSSEC⚠️ Not signed
A72.159.100.210🇺🇸 AS638972.156.0.0/14

lettermans.com

DNSSEC⚠️ Not signed
A151.101.2.159🇺🇸 Fastly151.101.0.0/22
NSns03.domaincontrol.com ⭐
NSns04.domaincontrol.com
MXlettermans-com.mail.protection.outlook.com ⭐
TXTv=msv1 t=15370615-D2B7-46DB-ABC8-0755B54E973B
TXTMS=ms46697994
TXTv=spf1 include:corebridge.net ~all
TXTMS=ms15438709
TXTMS=ms86550465
TXTMS=ms30847932
TXTv=spf1 include:spf.protection.outlook.com -all
SOAns03.domaincontrol.comdns@jomax.net 2025-12-19 #1

Same first word

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DNS History

2 records (1 active, 1 former)

2008201020122014201620182020202220242026A72.159.100.21072.159.100.215
●A72.159.100.2102015-05-29 → 2026-03-24 · 3 obs
○ 2007-11-25 05:02:38
● 2015-05-29 17:07:00
● 2026-03-24 01:34:50
○A72.159.100.2152007-11-25 → 2007-11-25 · 3 obs
● 2007-11-25 05:02:38
○ 2015-05-29 17:07:00
○ 2026-03-24 01:34:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
lettermans.comns03.domaincontrol.com, ns04.domaincontrol.com4 records

✅ Authoritative Response

Server:173.201.69.2

NS records: ns03.domaincontrol.com, ns04.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lettermans.com (unsigned zone)

⏱️ Timing

Total: 87ms | Queries: -

📄 Records

TypeCountSample Data
A172.159.100.210

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns03.domaincontrol.com, ns03.domaincontrol.com, ns04.domaincontrol.com...)

Analysis

IP Addresses

mail.lettermans.com resolves to a single IP: 72.159.100.210.