cmo.dk

📜 Historical scan 2026-08-30 09:44:24 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

cmo.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, kiki.ns.cloudflare.com). It was registered on 20 September 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.80.51 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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 52ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	108.162.193.110 172.64.33.110 173.245.59.110 2606:4700:58::adf5:3b6e 2803:f800:50::6ca2:c16e 2a06:98c1:50::ac40:216e	duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com duke.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kiki.ns.cloudflare.com	108.162.192.180 172.64.32.180 173.245.58.180 2606:4700:50::adf5:3ab4 2803:f800:50::6ca2:c0b4 2a06:98c1:50::ac40:20b4	kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com kiki.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 66ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.80.51	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.174.90	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 74ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3036::6815:5033	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:ae5a	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 101ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.80.51,172.67.174.90 ech=AEX+DQBBGAAgACD/6TyNDoChX9oOn4Yg0snN6juX0nxH8qfh9RjPmPxMGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::6815:5033,2606:4700:3036::ac43:ae5a

📝 TXT Records#

1 records 313ms

TXT Record
v=spf1 mx a ip4:84.19.174.8 -all

✉️ SPF#

Policy	Record (cmo.dk)
-all (hard fail)	v=spf1 mx a ip4:84.19.174.8 -all

📨 DMARC#

Policy	Record (_dmarc.cmo.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:dmarc@zakobo.dk; ruf=mailto:dmarc@zakobo.dk; fo=0:1:d:s; adkim=s; aspf=s; rf=afrf:iodef

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-07 14:49:58

www	104.21.80.51 172.67.174.90 2606:4700:3036::6815:5033 2606:4700:3036::ac43:ae5a (AS13335) (address records, no CNAME)
www vs bare domain	Same network cmo.dk: 104.21.80.51 172.67.174.90 2606:4700:3036::6815:5033 2606:4700:3036::ac43:ae5a (AS13335) www.cmo.dk: 104.21.80.51 172.67.174.90 2606:4700:3036::6815:5033 2606:4700:3036::ac43:ae5a (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.cmo.dk	kIsSUie67quOK5Y1lk0uMjZQ8bTijspCZiumSydV3dc
TXT	_acme-challenge.cmo.dk	QPTlILcehwJqsyoBWx4oTN_g-Vm5a15wEe5LhPcWiY0

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

220ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2413450834
Primary NS (MNAME)	duke.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 15:13:42

Field	Value
Registrar	Simply.com A/S
Registered	1999-09-20
Expires	2027-09-30 (347d)

📋 WHOIS#

⏱️ Lookup Timing#

52ms

66ms

75ms

AAAA

74ms

TXT

313ms

CAA

67ms

HTTPS

101ms

TLSA

101ms

SOA

0ms

MTA-STS

121ms

DNSSEC

220ms

SRV

179ms

Total

973ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 14:49:58	2068ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 19:26:46	426ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-28 21:30:49	614ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-26 21:10:52	541ms	2 NS 2 A 0 MX	🔓 Insecure
2026-09-05 03:36:06	490ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-30 09:44:24 shown	973ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 11:55:31	2644ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-10 10:40:47	2074ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-02 01:16:54	1020ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 00:08:12	65535ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 21:45:52	1395ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-16 21:30:56	407ms	2 NS 2 A 0 MX	🔓 Insecure