mail.cos-tech.cloud - robtex.com

mail.cos-tech.cloud

DNSSEC⚠️ Not signed
A2a01:4f8:1c1e:c6c4::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmail.cos-tech.cloud
A195.201.230.21🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC
MXmail.cos-tech.cloud ⭐
A2a01:4f8:1c1e:c6c4::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRmail.cos-tech.cloud
A195.201.230.21🇩🇪 Hetzner195.201.0.0/16 HETZNER-DC
PTRmail.cos-tech.cloud

cos-tech.cloud

DNSSEC⚠️ Not signed
A2a01:4f8:d0a:2784::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
A213.133.104.78🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1
NSns1.your-server.de ⭐
NSns.second-ns.com
NSns3.second-ns.de
MXmail.cos-tech.cloud ⭐
TXTv=spf1 +a +mx ?all
SOAns1.your-server.depostmaster@your-server.de 2026-02-28 #2

PTR for

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.c.6.c.e.1.c.1.8.f.4.0.1.0.a.2.ip6.arpa
21.230.201.195.in-addr.arpa

MX for

cos-tech.cloud
mail.cos-tech.cloud

Same first word

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DNS History

3 records (3 active, 0 former)

MXmail.cos-tech.cloudA195.201.230.212a01:4f8:1c1e:c6c4::1
●MXmail.cos-tech.cloud2026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 02:45:44
● 2026-03-28 01:16:30
●A195.201.230.212026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 02:45:44
● 2026-03-28 01:16:30
●A2a01:4f8:1c1e:c6c4::12026-03-27 → 2026-03-28 · 2 obs
● 2026-03-27 02:45:44
● 2026-03-28 01:16:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cloudns10.trs-dns.org, ns01.trs-dns.net, ns01.trs-dns.com, ns10.trs-dns.info-
cos-tech.cloudns.second-ns.com, ns1.your-server.de, ns3.second-ns.de-

✅ Authoritative Response

Server:213.239.204.242

NS records: ns.second-ns.com, ns1.your-server.de, ns3.second-ns.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cos-tech.cloud (unsigned zone)

⏱️ Timing

Total: 403ms | Queries: -

📄 Records

TypeCountSample Data
A1195.201.230.21
AAAA12a01:4f8:1c1e:c6c4::1
MX1mail.cos-tech.cloud (pri: 10)

Analysis

Mail Server Role

mail.cos-tech.cloud serves as the mail server for cos-tech.cloud and mail.cos-tech.cloud.

IP Addresses

mail.cos-tech.cloud points to two IP numbers: 2a01:4f8:1c1e:c6c4::1 and 195.201.230.21.

Mail Servers

mail.cos-tech.cloud is handled by a single mail server, mail.cos-tech.cloud.

The mail server setup for mail.cos-tech.cloud mirrors that of other domains, for instance cos-tech.cloud.

mail.cos-tech.cloud points to two IPs: 2a01:4f8:1c1e:c6c4::1 and 195.201.230.21.