mudderkast.dk

Records from scan: 2026-10-10 11:03:08 · 492ms total · last checked 2026-10-17 22:41 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

mudderkast.dk is a .dk domain served by 2 nameservers (ivan.ns.cloudflare.com, vera.ns.cloudflare.com). It was registered on 18 August 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.11.45 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
ivan.ns.cloudflare.com	108.162.193.120 172.64.33.120 173.245.59.120 2606:4700:58::adf5:3b78 2803:f800:50::6ca2:c178 2a06:98c1:50::ac40:2178	ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com ivan.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
vera.ns.cloudflare.com	108.162.192.147 172.64.32.147 173.245.58.147 2606:4700:50::adf5:3a93 2803:f800:50::6ca2:c093 2a06:98c1:50::ac40:2093	vera.ns.cloudflare.com vera.ns.cloudflare.com vera.ns.cloudflare.com vera.ns.cloudflare.com vera.ns.cloudflare.com vera.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 47ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.11.45	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.165.37	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)#

2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:a525	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:b2d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 44ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.11.45,172.67.165.37 ech=AEX+DQBB1wAgACA8OjlYFQ3NTaIewJqDOM8Ys/opqereaqUu+AsrA1j8KwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:a525,2606:4700:3036::6815:b2d

📝 TXT Records#

1 records 184ms

TXT Record
v=spf1 -all

✉️ SPF#

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

📨 DMARC#

Policy	Record (_dmarc.mudderkast.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s

📬 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#

checked 2026-10-10 11:03:08

www	104.21.11.45 172.67.165.37 2606:4700:3034::ac43:a525 2606:4700:3036::6815:b2d (AS13335) (address records, no CNAME)
www vs bare domain	Same network mudderkast.dk: 104.21.11.45 172.67.165.37 2606:4700:3034::ac43:a525 2606:4700:3036::6815:b2d (AS13335) www.mudderkast.dk: 104.21.11.45 172.67.165.37 2606:4700:3034::ac43:a525 2606:4700:3036::6815:b2d (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

77ms

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

🏷️ SOA#

53ms

Field	Value
Serial	2417067948
Primary NS (MNAME)	ivan.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-16 13:07:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-08-18
Expires	2027-08-31 (317d)

📋 WHOIS#

⏱️ Lookup Timing#

41ms

47ms

62ms

AAAA

41ms

TXT

184ms

CAA

39ms

HTTPS

44ms

TLSA

59ms

SOA

53ms

MTA-STS

48ms

DNSSEC

77ms

SRV

62ms

Total

492ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-10 11:03:08 shown	492ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-08 02:00:51	698ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-30 16:41:26	416ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-10 14:36:39	1422ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-21 23:45:25	1457ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-20 23:42:13	7315ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-12 20:41:21	1982ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-21 10:23:58	761ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-19 11:31:33	682ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-17 13:14:55	586ms	2 NS 2 A 0 MX	🔓 Insecure