mail.em3.org - robtex.com

mail.em3.org

DNSSEC⚠️ Not signed
A2a01:4f8:d0a:52d8::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwww414.your-server.de
A88.198.220.237🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4

em3.org

DNSSEC⚠️ Not signed
A88.198.220.237🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
NSns1.first-ns.de ⭐
NSrobotns2.second-ns.de
NSrobotns3.second-ns.com
MXmail.em3.org ⭐
TXTv=spf1 +mx +a -all
SOAns1.first-ns.dehostmaster@redlink.de 2025-11-14 #0

MX for

em3.org

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DNS History

2 records (2 active, 0 former)

201820192020202120222023202420252026A2a01:4f8:d0a:52d8::288.198.220.237
●A2a01:4f8:d0a:52d8::22026-02-19 → 2026-04-20 · 3 obs
○ 2017-11-06 14:38:10
● 2026-02-19 06:19:38
● 2026-04-20 11:24:52
●A88.198.220.2372017-11-06 → 2026-04-20 · 2 obs
● 2017-11-06 14:38:10
● 2026-04-20 11:24:52

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
em3.orgns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com-

✅ Authoritative Response

Server:213.239.242.238

NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for em3.org (unsigned zone)

⏱️ Timing

Total: 680ms | Queries: -

📄 Records

TypeCountSample Data
A188.198.220.237
AAAA12a01:4f8:d0a:52d8::2

Analysis

Mail Server Role

mail.em3.org functions as a mail server for em3.org.

IP Addresses

mail.em3.org points to two IP numbers: 2a01:4f8:d0a:52d8::2 and 88.198.220.237.

Other host names such as puls.or.at, mail.meezenest.com, fachbuch-schaper.com, mertens-ag.de and mail.dbarberia.com share IPs with mail.em3.org.