martinclausen.dk

Records from scan: 2026-10-16 12:05:01 · 696ms total · last checked 2026-10-20 16:42 (unchanged)

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

martinclausen.dk is a .dk domain served by 2 nameservers (bob.ns.cloudflare.com, kehlani.ns.cloudflare.com). It was registered on 18 December 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.37.80 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.one.com and 2 more. 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 46ms

Nameserver	IP addresses	PTR	ASN / ISP
bob.ns.cloudflare.com	108.162.193.104 172.64.33.104 173.245.59.104 2606:4700:58::adf5:3b68 2803:f800:50::6ca2:c168 2a06:98c1:50::ac40:2168	bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com bob.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kehlani.ns.cloudflare.com	108.162.194.223 162.159.38.223 172.64.34.223 2606:4700:50::a29f:26df 2803:f800:50::6ca2:c2df 2a06:98c1:50::ac40:22df	kehlani.ns.cloudflare.com kehlani.ns.cloudflare.com kehlani.ns.cloudflare.com kehlani.ns.cloudflare.com kehlani.ns.cloudflare.com kehlani.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 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.37.80	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.206.31	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

4 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1.mailpod16-cph3.g1i.one.com	5.249.232.33	mx1.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx2.mailpod16-cph3.g1i.one.com	5.249.232.34	mx2.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx3.mailpod16-cph3.g1i.one.com	5.249.232.35	mx3.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S
10	300s	mx4.mailpod16-cph3.g1i.one.com	5.249.232.36	mx4.mailpod16-cph3.g1i.one.com	AS51468 One.com A/S

🔷 AAAA Records (IPv6)#

2 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:ce1f	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::6815:2550	300s	—	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=104.21.37.80,172.67.206.31 ech=AEX+DQBB/wAgACC0O/p11W6iFxyYXh7u7eRavtwUrRL7APHs3rAMuyFLXAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ce1f,2606:4700:3036::6815:2550

📝 TXT Records#

1 records 205ms

TXT Record
v=spf1 include:_custspf.one.com ~all

✉️ SPF#

Policy	Record (martinclausen.dk)
~all (soft fail)	v=spf1 include:_custspf.one.com ~all

📨 DMARC#

Policy	Record (_dmarc.martinclausen.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=r; aspf=r

📬 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 2026-10-16 12:05:01

www	104.21.37.80 172.67.206.31 2606:4700:3032::ac43:ce1f 2606:4700:3036::6815:2550 (AS13335) (address records, no CNAME)
www vs bare domain	Same network martinclausen.dk: 104.21.37.80 172.67.206.31 2606:4700:3032::ac43:ce1f 2606:4700:3036::6815:2550 (AS13335) www.martinclausen.dk: 104.21.37.80 172.67.206.31 2606:4700:3032::ac43:ce1f 2606:4700:3036::6815:2550 (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 1/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 95ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	2362DFAC1BB9F66402E0636BDEF478E5…
SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	2362DFAC1BB9F66402E0636BDEF478E5…
SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	2362DFAC1BB9F66402E0636BDEF478E5…
SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com	DANE-EE · SPKI · SHA-256	2362DFAC1BB9F66402E0636BDEF478E5…

🔐 DNSSEC#

83ms

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

🏷️ SOA#

38ms

Field	Value
Serial	2417618663
Primary NS (MNAME)	bob.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 12:27:14

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2013-12-18
Expires	2026-12-31 (70d)

🔗 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
adorno.dk	Simply.com A/S

📋 WHOIS#

⏱️ Lookup Timing#

46ms

36ms

54ms

AAAA

53ms

TXT

205ms

CAA

32ms

HTTPS

33ms

TLSA

95ms

SOA

38ms

MTA-STS

73ms

DNSSEC

83ms

SRV

60ms

Total

696ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-16 12:05:01 shown	696ms	2 NS 2 A 4 MX	🔓 Insecure
2026-10-06 22:22:19	557ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-29 21:52:15	438ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-27 20:00:17	653ms	2 NS 1 A 4 MX	🔒 Secure
2026-09-07 05:09:33	802ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-25 07:35:53	16745ms	2 NS 1 A 4 MX	🔒 Secure
2026-08-10 09:21:30	3334ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-22 02:39:49	867ms	2 NS 1 A 4 MX	🔒 Secure
2026-07-08 23:18:16	1464ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-26 04:50:49	644ms	2 NS 1 A 3 MX	🔒 Secure
2026-06-17 16:56:17	2863ms	2 NS 1 A 3 MX	🔒 Secure