mail.zib21.com - robtex.com

mail.zib21.com

DNSSEC⚠️ Not signed
A217.154.238.35🇬🇧 IONOS-AS217.154.238.0/23 IONOS SE
PTRip217.154.238-35.pbiaas.com

zib21.com

DNSSEC⚠️ Not signed
A217.154.238.35🇬🇧 IONOS-AS217.154.238.0/23 IONOS SE
NSns1.zib21.com ⭐
NSns2.zib21.com
MXmail.zib21.com ⭐
TXTv=spf1 +a +mx +a:happy-blackburn.217-154-238-35.plesk.page -all
SOAns1.zib21.comeberhard\@lauth.netzkundig.com 2026-02-28 #1
WOT: SAFE (77/100)
WOT: UNKNOWN (99/100)

MX for

zib21.com

Same first word

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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A217.154.238.3581.19.149.34
●A217.154.238.352026-03-08 → 2026-04-04 · 3 obs
○ 2016-04-07 14:16:28
● 2026-03-08 16:55:14
● 2026-04-04 02:24:02
○A81.19.149.342015-06-03 → 2016-04-07 · 4 obs
● 2015-06-03 23:09:08
● 2016-04-07 14:16:28
○ 2026-03-08 16:55:14
○ 2026-04-04 02:24:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comg.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net...-
zib21.comns1.zib21.com, ns2.zib21.com2 records

✅ Authoritative Response

Server:217.154.238.35

NS records: ns1.zib21.com, ns2.zib21.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zib21.com (unsigned zone)

⏱️ Timing

Total: 1594ms | Queries: -

📄 Records

TypeCountSample Data
A1217.154.238.35

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.zib21.com, ns2.zib21.com)

Analysis

Mail Server Role

mail.zib21.com serves as the mail server for zib21.com.

IP Addresses

mail.zib21.com points to a single IP: 217.154.238.35.

Other host names, for instance ns2.netzkundig.com, ip217.154.238-35.pbiaas.com, ns1.zib21.com, netzkundig.com and eberhardlauth.com share IP numbers with mail.zib21.com.