klauskarlsen.dk

📜 Historical scan 2026-08-16 05:07:45  ·  ← 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   78ms
NameserverIP addressesPTRASN / 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   82ms
PriorityTTLMail ServerIP addressesPTRASN
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   290ms
TXT Record
t-verify=d87343c2240c9c89a6f9c871ad545c40
v=spf1 include:spf.tutanota.de -all

✉️ SPF#

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

📨 DMARC#

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

📬 MTA-STS#

298ms
CheckResult
Status🔒 Enforce
TXT record (_mta-sts)✓ Found
HTTPS policy✓ Valid
Modeenforce
Policy ID20190723
max_age86400s
Policy MXmail.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 2026-10-25 02:44:50
wwwExists, no address
www vs bare domainNeither resolves
klauskarlsen.dk: no address
www.klauskarlsen.dk: no address
WildcardNo
Denial of existenceCompact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEYDelete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY

✍️ DKIM keys#

2 found
SelectorCNAMEKey
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

🔏 ACME Challenge#

TypeNameValue
TXT _acme-challenge.klauskarlsen.dk Q7DPasPXIguC5VaWasVLODE0gpL5ETf_wcyS_mJVVFU
TXT _acme-challenge.klauskarlsen.dk ZGceHg7v88ai4vj0U2ZQFBqKb5M8-4BWHUZPhgq69Jg

🔗 TLSA / DANE#

1 records   97ms
Service / OwnerTypeCert association
SMTP _25._tcp.mail.tutanota.de DANE-EE · Full cert · SHA-256 D141F8F3A4AAC2E4D2677AAFCC723D8E…

🔐 DNSSEC#

213ms
CheckResult
Validation Status🔓 Insecure
AD Flag (resolver validates)✗ Not set
DS Record✗ Not found
DNSKEY Record✓ Found
Flagsresolution failed: ncache nxrrset

🏷️ SOA#

0ms
FieldValue
Serial2412313444
Primary NS (MNAME)bingo.ns.cloudflare.com
Responsible (RNAME)dns@cloudflare.com
Refresh10000s
Retry2400s
Expire604800s
Minimum (neg-cache TTL)1800s

📋 Registration#

WHOIS fetched 2026-10-19 16:58:27
FieldValue
RegistrarPunktum dk A/S (direct)
Registered2008-01-30
Expires2028-01-31 (462d)

🔗 Same registrant#

0 domains

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).

No other domain with this registrant in our WHOIS data yet
📋 WHOIS#

⏱️ Lookup Timing#

NS
78ms
A
51ms
MX
82ms
AAAA
61ms
TXT
290ms
CAA
66ms
HTTPS
72ms
TLSA
97ms
SOA
0ms
MTA-STS
298ms
DNSSEC
213ms
SRV
134ms
Total
1682ms

🕐 Scan History#

Scanned AtDurationRecordsDNSSEC
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 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 shown 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
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