mail.cosis.de - robtex.com

mail.cosis.de

DNSSEC⚠️ Not signed
A188.40.28.40🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1
PTRwww260.your-server.de

cosis.de

DNSSEC⚠️ Not signed
A188.40.28.40🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1
NSns1.first-ns.de ⭐
NSrobotns2.second-ns.de
NSrobotns3.second-ns.com
MXmail.cosis.de ⭐
TXTMS=ms68009234
TXTv=spf1 a mx -all
SOAns1.first-ns.dedns@hetzner.com 2026-04-14 #0

MX for

cosis.de

Same first word

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mail.gov.vc
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mail.vu
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mail.systems
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mail.net.mk
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mail.freedesktop.org
mail.direct
mail.yandex
mail.sh.cn
mail.vacations
mail.my
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DNS History

3 records (1 active, 2 former)

20162017201820192020202120222023202420252026A188.40.28.405.9.141.1345.9.90.85
●A188.40.28.402026-02-21 → 2026-04-23 · 3 obs
○ 2016-12-05 03:42:08
● 2026-02-21 20:53:52
● 2026-04-23 19:23:02
○A5.9.141.1342016-07-24 → 2016-12-05 · 5 obs
○ 2016-03-21 20:06:54
● 2016-07-24 04:22:26
● 2016-12-05 03:42:08
○ 2026-02-21 20:53:52
○ 2026-04-23 19:23:02
○A5.9.90.852015-08-08 → 2016-03-21 · 4 obs
● 2015-08-08 07:25:00
● 2016-03-21 20:06:54
○ 2016-07-24 04:22:26
○ 2026-04-23 19:23:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
dea.nic.de, f.nic.de, z.nic.de-
cosis.dens1.first-ns.de, robotns3.second-ns.com, robotns2.second-ns.de-

✅ Authoritative Response

Server:193.47.99.3

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cosis.de (unsigned zone)

⏱️ Timing

Total: 2022ms | Queries: -

📄 Records

TypeCountSample Data
A1188.40.28.40

Analysis

Mail Server Role

mail.cosis.de serves as the mail server for cosis.de.

IP Addresses

mail.cosis.de resolves to a single IP: 188.40.28.40.

Other host names, for instance meike-rosenplaenter.de, fristenbuch.com, mail.xn--bcker-braun-l8a.de, jpeace.dk and fine-communications.de share IP numbers with mail.cosis.de.