clusterfuck.dk

📜 Historical scan 2026-06-16 21:25:25 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

clusterfuck.dk is a .dk domain served by 2 nameservers (bingo.ns.cloudflare.com, mcgrory.ns.cloudflare.com). It was registered on 11 April 2016 (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 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 69ms

Nameserver	IP addresses	PTR	ASN / ISP
bingo.ns.cloudflare.com	—	—	—
mcgrory.ns.cloudflare.com	—	—	—

🌍 A Records#

🌍

No A records found

📧 MX Records#

1 records 67ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	—	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 175ms

TXT Record
t-verify=08989861298e0386b27cfcd7eb647c0f
v=spf1 include:spf.tutanota.de -all

✉️ SPF#

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

📨 DMARC#

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

📬 MTA-STS#

272ms

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

📈 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 2026-10-13 08:34:57

www	Exists, no address
www vs bare domain	Neither resolves clusterfuck.dk: no address www.clusterfuck.dk: no address
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 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#

1 records 98ms

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

🔐 DNSSEC#

158ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	resolution failed: ncache nxrrset

🏷️ SOA#

67ms

Field	Value
Serial	2406952044
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 2026-10-05 16:47:56

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2016-04-11
Expires	2028-04-30 (555d)

📋 WHOIS#

⏱️ Lookup Timing#

69ms

70ms

67ms

AAAA

77ms

TXT

175ms

CAA

70ms

HTTPS

69ms

TLSA

98ms

SOA

67ms

MTA-STS

272ms

DNSSEC

158ms

SRV

0ms

Total

672ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 08:34:57	728ms	2 NS 0 A 1 MX	🔒 Secure
2026-10-05 19:27:16	625ms	2 NS 0 A 1 MX	🔒 Secure
2026-09-23 17:03:06	904ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-29 02:51:37	1283ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-26 15:25:06	1536ms	2 NS 0 A 1 MX	🔒 Secure
2026-08-07 04:42:42	1489ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-10 16:13:00	2066ms	2 NS 0 A 1 MX	🔒 Secure
2026-07-01 23:02:16	5353ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-20 12:34:33	764ms	2 NS 0 A 1 MX	🔒 Secure
2026-06-16 21:25:25 shown	672ms	2 NS 0 A 1 MX	🔒 Secure