mail.lk21.study - robtex.com

mail.lk21.study

DNSSEC⚠️ Not signed
A31.220.94.224🇩🇪 CONTABO31.220.88.0/21
PTRvmi1693098.contaboserver.net

lk21.study

DNSSEC⚠️ Not signed
A31.220.94.224🇩🇪 CONTABO31.220.88.0/21
NSns1.contabo.net ⭐
NSns2.contabo.net
NSns3.contabo.net
MXmail.lk21.study ⭐
SOAns1.contabo.nethostmaster@contabo.de serial=1775213638

MX for

lk21.study

Same first word

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DNS History

1 record (1 active, 0 former)

A31.220.94.224
●A31.220.94.2242026-03-31 → 2026-04-03 · 2 obs
● 2026-03-31 12:01:10
● 2026-04-03 10:53:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
studya.nic.study, b.nic.study, c.nic.study, x.nic.study...12 records
lk21.studyns1.contabo.net, ns2.contabo.net, ns3.contabo.net-

✅ Authoritative Response

Server:209.126.15.15

NS records: ns1.contabo.net, ns2.contabo.net, ns3.contabo.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lk21.study (unsigned zone)

⏱️ Timing

Total: 466ms | Queries: -

📄 Records

TypeCountSample Data
A131.220.94.224

📌 Glue Records Collected

Total: 12

In-bailiwick: 12 (a.nic.study, b.nic.study, c.nic.study...)

Analysis

Mail Server Role

The mail server for lk21.study is mail.lk21.study.

IP Addresses

mail.lk21.study points to a single IP number: 31.220.94.224.

Other host names, for instance lk21.garden, lk21.cyou, lk21.subindo.co.uk, mail.lk21.cam and lk21.study share IP numbers with mail.lk21.study.