mail.koffmann.vn - robtex.com

mail.koffmann.vn

DNSSEC⚠️ Not signed
A202.92.5.23🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN
PTRonehost-webhn072403.000nethost.com

koffmann.vn

DNSSEC⚠️ Not signed
A202.92.5.23🇻🇳 VNPT-AS-VN202.92.4.0/22 INET-VN
NSns4.tenten.vn ⭐
NSns5.tenten.vn
NSns6.tenten.vn
MXmail.koffmann.vn ⭐
TXTv=spf1 mx a ip4:202.92.5.23 ~all
SOAns4.tenten.vnhostmaster@koffmann.vn 2025-10-30 #12

MX for

koffmann.vn

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DNS History

2 records (1 active, 1 former)

20192020202120222023202420252026A202.92.5.23125.212.243.16
○A125.212.243.162018-05-16 → 2018-05-16 · 3 obs
● 2018-05-16 14:38:48
○ 2026-02-18 11:14:46
○ 2026-05-09 23:10:22
●A202.92.5.232026-02-18 → 2026-05-09 · 3 obs
○ 2018-05-16 14:38:48
● 2026-02-18 11:14:46
● 2026-05-09 23:10:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
vnc.dns-servers.vn, a.dns-servers.vn, e.dns-servers.vn, g.dns-servers.vn...-
koffmann.vnns5.tenten.vn, ns6.tenten.vn, ns4.tenten.vn-

✅ Authoritative Response

Server:103.18.7.204

NS records: ns5.tenten.vn, ns6.tenten.vn, ns4.tenten.vn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koffmann.vn (unsigned zone)

⏱️ Timing

Total: 2206ms | Queries: -

📄 Records

TypeCountSample Data
A1202.92.5.23

Analysis

Mail Server Role

mail.koffmann.vn handles mail for koffmann.vn.

IP Addresses

mail.koffmann.vn points to a single IP address: 202.92.5.23.

Other host names such as cattuong.phucat.binhdinh.gov.vn, caubason.com, dvtaco-app.itsduyngo.id.vn, lapinta.vn and pennyshoppe.viachat.vn share IPs with mail.koffmann.vn.