klauskarlsen.dk

📜 Historical scan 2026-10-10 21:12:13 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

klauskarlsen.dk is a .dk domain served by 2 nameservers (bingo.ns.cloudflare.com, mcgrory.ns.cloudflare.com). It was registered on 30 January 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.tutanota.de. The zone is not DNSSEC-signed, 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 80ms

Nameserver	IP addresses	PTR	ASN / ISP
bingo.ns.cloudflare.com	108.162.194.36 162.159.38.36 172.64.34.36 2606:4700:50::a29f:2624 2803:f800:50::6ca2:c224 2a06:98c1:50::ac40:2224	bingo.ns.cloudflare.com bingo.ns.cloudflare.com bingo.ns.cloudflare.com bingo.ns.cloudflare.com bingo.ns.cloudflare.com bingo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mcgrory.ns.cloudflare.com	108.162.195.170 162.159.44.170 172.64.35.170 2606:4700:58::a29f:2caa 2803:f800:50::6ca2:c3aa 2a06:98c1:50::ac40:23aa	mcgrory.ns.cloudflare.com mcgrory.ns.cloudflare.com mcgrory.ns.cloudflare.com mcgrory.ns.cloudflare.com mcgrory.ns.cloudflare.com mcgrory.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 120ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.tutanota.de	185.205.69.211 185.205.69.213 185.205.69.214	mail.w11.tutanota.de mail.w13.tutanota.de mail.w14.tutanota.de	AS210909 Tutao GmbH AS210909 Tutao GmbH AS210909 Tutao GmbH

🔷 AAAA Records (IPv6)#

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 412ms

TXT Record
t-verify=d87343c2240c9c89a6f9c871ad545c40
v=spf1 include:spf.tutanota.de -all

✉️ SPF#

Policy	Record (klauskarlsen.dk)
-all (hard fail)	v=spf1 include:spf.tutanota.de -all

📨 DMARC#

Policy	Record (_dmarc.klauskarlsen.dk)
p=quarantine	v=DMARC1; p=quarantine; adkim=s

📬 MTA-STS#

577ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20190723
max_age	86400s
Policy MX	mail.tutanota.de

📈 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 2026-10-26 16:53:31

www	Exists, no address
www vs bare domain	Neither resolves klauskarlsen.dk: no address www.klauskarlsen.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found

Selector	CNAME	Key
s1	s1.domainkey.tutanota.de	RSA · ~2048 bit
s2	s2.domainkey.tutanota.de	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

🔗 TLSA / DANE#

2 records 220ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.tutanota.de	DANE-EE · Full cert · SHA-256	D141F8F3A4AAC2E4D2677AAFCC723D8E…
SMTP _25._tcp.mail.tutanota.de	DANE-EE · SPKI · SHA-256	5AE0D6DC8A713441003F578C5A1D4D70…

🔐 DNSSEC#

317ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

74ms

Field	Value
Serial	2417076904
Primary NS (MNAME)	bingo.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-19 16:58:27

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2008-01-30
Expires	2028-01-31 (461d)

🔗 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
clusterfuck.dk	Punktum dk A/S (direct)

📋 WHOIS#

⏱️ Lookup Timing#

80ms

120ms

AAAA

176ms

TXT

412ms

CAA

79ms

HTTPS

117ms

TLSA

220ms

SOA

74ms

MTA-STS

577ms

DNSSEC

317ms

SRV

234ms

Total

2365ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-26 16:53:31	532ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-25 02:44:50	961ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-24 01:43:51	1817ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-19 16:47:01	1035ms	2 NS 0 A 1 MX	🔓 Insecure
2026-10-10 21:12:13 shown	2365ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-29 15:38:08	1255ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-26 06:19:31	1005ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-25 06:00:07	2953ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-09 03:25:35	1837ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-30 21:24:46	751ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-28 01:22:20	1584ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-27 01:06:53	9660ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-25 22:10:27	787ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-18 10:40:25	4815ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-16 05:07:45	1682ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-15 04:26:44	3710ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-12 09:20:07	1701ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-09 16:14:18	9023ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-16 08:57:08	1165ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-30 03:38:56	1053ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-25 05:43:40	1419ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-19 09:29:53	1094ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-18 10:33:57	13830ms	2 NS 0 A 1 MX	❓ Unknown
2026-06-17 12:11:45	815ms	2 NS 0 A 1 MX	🔓 Insecure