cmo.dk

📜 Historical scan 2026-06-16 21:30:56 · ← 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 33ms

Nameserver	IP addresses	PTR	ASN / ISP
duke.ns.cloudflare.com	—	—	—
kiki.ns.cloudflare.com	—	—	—

🌍 A Records#

2 records 34ms

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

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 37ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:ae5a	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:5033	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 33ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.80.51,172.67.174.90 ech=AEX+DQBBlwAgACARtnhQ7LTw1FhCMpClda8WTnV4Yh2JhRcKaIGJtucSdAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:ae5a,2606:4700:3033::6815:5033

📝 TXT Records#

1 records 82ms

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

🔗 TLSA / DANE#

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

🔐 DNSSEC#

112ms

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

🏷️ SOA#

33ms

Field	Value
Serial	2406667610
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 (346d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

34ms

33ms

AAAA

37ms

TXT

82ms

CAA

33ms

HTTPS

33ms

TLSA

76ms

SOA

33ms

MTA-STS

37ms

DNSSEC

112ms

SRV

0ms

Total

407ms

🕐 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	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 shown	407ms	2 NS 2 A 0 MX	🔓 Insecure