muhcow.dk

📜 Historical scan 2026-08-23 11:29:09 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

muhcow.dk is a .dk domain served by 2 nameservers (dave.ns.cloudflare.com, rihana.ns.cloudflare.com). It was registered on 27 November 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.15.75.45 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.muhcow.dk. The zone is DNSSEC-signed and validates, 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 124ms

Nameserver	IP addresses	PTR	ASN / ISP
dave.ns.cloudflare.com	108.162.193.109 172.64.33.109 173.245.59.109 2606:4700:58::adf5:3b6d 2803:f800:50::6ca2:c16d 2a06:98c1:50::ac40:216d	dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com dave.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rihana.ns.cloudflare.com	108.162.192.244 172.64.32.244 173.245.58.244 2606:4700:50::adf5:3af4 2803:f800:50::6ca2:c0f4 2a06:98c1:50::ac40:20f4	rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.ns.cloudflare.com rihana.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 94ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
185.15.75.45	300s	muhcow.dk	AS203953	Hiper A/S	185.15.72.0/22	🇩🇰 Denmark	Virum

📧 MX Records#

1 records 79ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.muhcow.dk	185.15.75.45	muhcow.dk	AS203953 Hiper A/S

📧 Autodiscover / Autoconfig#

Service	CNAME / IP
🔷 Autodiscover	mail.muhcow.dk → 185.15.75.45
🔶 Autoconfig	mail.muhcow.dk → 185.15.75.45

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records#

1 records 148ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	10	443	mail.muhcow.dk

📝 TXT Records#

1 records 397ms

TXT Record
v=spf1 mx -all

✉️ SPF#

Policy	Record (muhcow.dk)
-all (hard fail)	v=spf1 mx -all

📨 DMARC#

Policy	Record (_dmarc.muhcow.dk)
p=reject	v=DMARC1; p=reject; pct=100; rua=mailto:dmarc@muhcow.dk; ruf=mailto:dmarc@muhcow.dk; adkim=s; aspf=s;

📬 MTA-STS#

6171ms

Check	Result
Status	⚠️ Invalid
TXT record (_mta-sts)	✓ Found
HTTPS policy	✗ Missing / invalid
Policy ID	20190425085700
Policy MX	—

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:mta-sts@muhcow.dk

📜 CAA Records#

11 records 88ms

Flags	Tag	Value
0	iodef	mailto:caa@muhcow.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 2026-10-24 14:01:55

www	185.15.75.45 (AS203953) (address records, no CNAME)
www vs bare domain	Same network muhcow.dk: 185.15.75.45 (AS203953) www.muhcow.dk: 185.15.75.45 (AS203953)
Wildcard	Yes: any name under the zone resolves
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.muhcow.dk	yYPzk1foY57FLECBAphc3YF8ANZop4_pdrFmMEdoJ_4
TXT	_acme-challenge.muhcow.dk	zjD2hTM3zLIBZXQEuHVeuhbplRsA_s7A6a_lqLVm9FA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

211ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

0ms

Field	Value
Serial	2412952617
Primary NS (MNAME)	dave.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-22 10:42:51

Field	Value
Registrar	FIONIA IT ApS
Registered	2001-11-27
Expires	2026-12-31 (66d)

🔗 Same registrant#

1 domain

Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).

Domain	Registrar
netrunners.dk	FIONIA IT ApS

📋 WHOIS#

⏱️ Lookup Timing#

124ms

94ms

79ms

AAAA

101ms

TXT

397ms

CAA

88ms

HTTPS

92ms

TLSA

174ms

SOA

0ms

MTA-STS

6171ms

DNSSEC

211ms

SRV

148ms

Total

9641ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-24 14:01:55	705ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-22 10:28:03	864ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-14 12:50:16	4628ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-13 12:21:00	573ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-11 11:07:55	10206ms	2 NS 1 A 1 MX	🔒 Secure
2026-10-10 10:58:23	8653ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-30 07:06:53	453ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-20 02:13:43	851ms	2 NS 1 A 1 MX	🔒 Secure
2026-09-18 23:40:41	1302ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-30 03:19:36	1865ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-29 00:04:55	2133ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 16:56:24	1284ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-27 01:28:56	7051ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-23 11:29:09 shown	9641ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-19 06:02:49	1527ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-17 18:36:38	9169ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-16 06:42:35	6917ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-12 12:52:39	12933ms	2 NS 1 A 1 MX	🔒 Secure
2026-08-08 19:00:12	902ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-31 17:43:01	1086ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-26 16:14:25	10552ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-11 16:04:57	1103ms	2 NS 1 A 1 MX	🔒 Secure
2026-07-01 21:28:36	1037ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 09:53:20	939ms	2 NS 1 A 1 MX	🔒 Secure
2026-06-27 04:04:59	908ms	2 NS 1 A 1 MX	🔒 Secure