cobs.dk

📜 Historical scan 2026-09-18 07:19:50 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cobs.dk is a .dk domain served by 2 nameservers (moura.ns.cloudflare.com, sureena.ns.cloudflare.com). It was registered on 10 May 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by route3.mx.cloudflare.net, route2.mx.cloudflare.net and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 43ms

Nameserver	IP addresses	PTR	ASN / ISP
moura.ns.cloudflare.com	108.162.195.217 162.159.44.217 172.64.35.217 2606:4700:58::a29f:2cd9 2803:f800:50::6ca2:c3d9 2a06:98c1:50::ac40:23d9	moura.ns.cloudflare.com moura.ns.cloudflare.com moura.ns.cloudflare.com moura.ns.cloudflare.com moura.ns.cloudflare.com moura.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sureena.ns.cloudflare.com	108.162.194.126 162.159.38.126 172.64.34.126 2606:4700:50::a29f:267e 2803:f800:50::6ca2:c27e 2a06:98c1:50::ac40:227e	sureena.ns.cloudflare.com sureena.ns.cloudflare.com sureena.ns.cloudflare.com sureena.ns.cloudflare.com sureena.ns.cloudflare.com sureena.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

1 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
127.0.0.1	300s	localhost	—	—	—	—	—

📧 MX Records#

3 records 33ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
26	300s	route3.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
53	300s	route2.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
89	300s	route1.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	cobs.dk → 127.0.0.1
🔶 Autoconfig	cobs.dk → 127.0.0.1

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 160ms

TXT Record
google-site-verification=gJyazJVmLKr5pq50BVeffWXdAXMri0ZbmAhh1v1k_yI
v=spf1 include:_spf.google.com include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (cobs.dk)
~all (soft fail)	v=spf1 include:_spf.google.com include:_spf.mx.cloudflare.net ~all

📨 DMARC#

Policy	Record (_dmarc.cobs.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:dacebe2b2bcc4166af28ed83700c9b5b@dmarc-reports.cloudflare.net

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

11 records 43ms

Flags	Tag	Value
0	iodef	mailto:abuse@cobs.dk
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 04:23:21

www CNAME	cobs.dk (all on cobs.dk) → 127.0.0.1
www vs bare domain	Same network cobs.dk: 127.0.0.1 www.cobs.dk: 127.0.0.1
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
CNAME	_acme-challenge.cobs.dk	cobs.dk

🔗 TLSA / DANE#

9 records 102ms

Service / Owner	Type	Cert association
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route1.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.route2.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.route3.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…

🔐 DNSSEC#

124ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415054673
Primary NS (MNAME)	moura.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-04 23:50:38

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2023-05-10
Expires	2028-05-09 (570d)

📋 WHOIS#

⏱️ Lookup Timing#

43ms

36ms

33ms

AAAA

36ms

TXT

160ms

CAA

43ms

HTTPS

55ms

TLSA

102ms

SOA

0ms

MTA-STS

52ms

DNSSEC

124ms

SRV

63ms

Total

1358ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-11 04:23:21	1377ms	2 NS 1 A 3 MX	🔓 Insecure
2026-10-04 23:04:52	1269ms	2 NS 1 A 3 MX	🔓 Insecure
2026-09-18 07:19:50 shown	1358ms	2 NS 1 A 3 MX	🔓 Insecure
2026-09-15 19:48:47	1456ms	2 NS 1 A 3 MX	🔓 Insecure
2026-09-14 13:21:37	2145ms	2 NS 1 A 3 MX	🔓 Insecure
2026-08-27 18:35:43	1187ms	2 NS 1 A 3 MX	🔓 Insecure
2026-08-25 11:11:02	1259ms	2 NS 1 A 3 MX	🔓 Insecure
2026-08-23 17:35:52	10181ms	2 NS 1 A 3 MX	❓ Unknown
2026-08-06 17:49:31	2125ms	2 NS 1 A 3 MX	🔓 Insecure
2026-07-31 03:25:51	17653ms	2 NS 1 A 3 MX	🔓 Insecure
2026-07-16 18:59:51	10710ms	2 NS 1 A 3 MX	🔓 Insecure
2026-07-08 18:11:57	2372ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-27 13:39:10	2896ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-25 09:52:02	4752ms	2 NS 1 A 3 MX	🔓 Insecure
2026-06-16 21:36:48	1274ms	2 NS 1 A 3 MX	🔓 Insecure