smtp.stb1.com - robtex.com

smtp.stb1.com

DNSSEC⚠️ Not signed
A142.165.191.131🇨🇦 SASKTEL142.165.0.0/16 STENTOR7
PTR142-165-191-131.regn.static.sasknet.sk.ca

stb1.com

DNSSEC⚠️ Not signed
A69.11.15.118🇨🇦 SASKTEL69.11.0.0/17 SASK006
NStadns.sasknet.sk.ca ⭐
NSfulcrum.sasknet.sk.ca
NSstuka.sasknet.sk.ca
MXsmtp.stb1.com ⭐
TXTv=spf1 mx ~all
TXT_dxf4f2lgc6pqx1pgx0m426bijw0a6sn
TXTy220jl33spzxqkjbmh8frd4dtpb2973g
SOAtadns.sasknet.sk.casasknet@admin.sasktel.sk.ca 2025-11-07 #3

MX for

stb1.com

Same first word

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DNS History

1 record (1 active, 0 former)

20162017201820192020202120222023202420252026A142.165.191.131
●A142.165.191.1312015-07-19 → 2026-08-04 · 2 obs
● 2015-07-19 20:19:10
● 2026-08-04 02:10:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
stb1.comfulcrum.sasknet.sk.ca, stuka.sasknet.sk.ca-

✅ Authoritative Response

Server:162.219.54.2

NS records: fulcrum.sasknet.sk.ca, stuka.sasknet.sk.ca

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stb1.com (unsigned zone)

⏱️ Timing

Total: 326ms | Queries: -

📄 Records

TypeCountSample Data
A1142.165.191.131

Analysis

Mail Server Role

stb1.com uses smtp.stb1.com as a mail server.

IP Addresses

smtp.stb1.com resolves to one IP address: 142.165.191.131.