mail.kust.us - robtex.com

mail.kust.us

DNSSEC⚠️ Not signed
A217.170.206.227🇳🇴 SERVETHEWORLD-AS217.170.192.0/20
PTRmail.k-prod.no

kust.us

DNSSEC⚠️ Not signed
A217.170.206.227🇳🇴 SERVETHEWORLD-AS217.170.192.0/20
NSns1.k-prod.no ⭐
NSns2.afraid.org ⚠️ Not in parent delegation
NSns2.k-prod.no ⚠️ Not in zone NS records
MXmail.kust.us ⭐
TXTv=spf1 a mx ip4:217.170.206.227 ~all
SOAns1.k-prod.nohostmaster@kust.us 2021-09-12 #5

MX for

kust.us

Same first word

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DNS History

5 records (1 active, 4 former)

20162017201820192020202120222023202420252026A217.170.206.22785.166.14.3885.166.143.11985.166.15.5485.166.211.2
●A217.170.206.2272026-02-19 → 2026-03-28 · 3 obs
○ 2016-07-25 12:00:24
● 2026-02-19 10:18:00
● 2026-03-28 06:14:44
○A85.166.14.382015-07-01 → 2015-07-01 · 3 obs
● 2015-07-01 11:59:46
○ 2015-11-14 14:23:58
○ 2026-03-28 06:14:44
○A85.166.143.1192016-03-09 → 2016-03-09 · 4 obs
○ 2015-11-14 14:23:58
● 2016-03-09 05:10:42
○ 2016-07-25 12:00:24
○ 2026-03-28 06:14:44
○A85.166.15.542015-11-14 → 2015-11-14 · 4 obs
○ 2015-07-01 11:59:46
● 2015-11-14 14:23:58
○ 2016-03-09 05:10:42
○ 2026-03-28 06:14:44
○A85.166.211.22016-07-25 → 2016-07-25 · 4 obs
○ 2016-03-09 05:10:42
● 2016-07-25 12:00:24
○ 2026-02-19 10:18:00
○ 2026-03-28 06:14:44

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
usm.cctld.us, k.cctld.us, b.cctld.us, x.cctld.us...-
kust.usns2.k-prod.no, ns1.k-prod.no-

✅ Authoritative Response

Server:217.170.206.227

NS records: ns2.k-prod.no, ns1.k-prod.no

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kust.us (unsigned zone)

⏱️ Timing

Total: 878ms | Queries: -

📄 Records

TypeCountSample Data
A1217.170.206.227

Analysis

Mail Server Role

mail.kust.us functions as a mail server for kust.us.

IP Addresses

mail.kust.us resolves to one IP number: 217.170.206.227.

other host names including langfors.no, mail.webregning.no, k-prod.no, mail.k-prod.no and fagerjordgaard.no share IP numbers with mail.kust.us.