causality.dk

📜 Historical scan 2026-09-30 17:32:47 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

causality.dk is a .dk domain served by 2 nameservers (abby.ns.cloudflare.com, arturo.ns.cloudflare.com). It was registered on 21 November 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.92.84 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 55ms

Nameserver	IP addresses	PTR	ASN / ISP
abby.ns.cloudflare.com	108.162.192.100 172.64.32.100 173.245.58.100 2606:4700:50::adf5:3a64 2803:f800:50::6ca2:c064 2a06:98c1:50::ac40:2064	abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com abby.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
arturo.ns.cloudflare.com	108.162.195.216 162.159.44.216 172.64.35.216 2606:4700:58::a29f:2cd8 2803:f800:50::6ca2:c3d8 2a06:98c1:50::ac40:23d8	arturo.ns.cloudflare.com arturo.ns.cloudflare.com arturo.ns.cloudflare.com arturo.ns.cloudflare.com arturo.ns.cloudflare.com arturo.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 51ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.92.84	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.190.137	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

2 records 43ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
20	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)#

2 records 35ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:be89	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::6815:5c54	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 54ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.92.84,172.67.190.137 ech=AEX+DQBBIAAgACC0zA43QQEPXf0h948Q6XRjN1sVQRaoZpeWL8pJJzaaYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:be89,2606:4700:3034::6815:5c54

📝 TXT Records#

2 records 288ms

TXT Record
protonmail-verification=f951e32c3a5e2b3929456a9edad3bd804990e6fa
v=spf1 include:_spf.protonmail.ch mx -all

✉️ SPF#

Policy	Record (causality.dk)
-all (hard fail)	v=spf1 include:_spf.protonmail.ch mx -all

📨 DMARC#

Policy	Record (_dmarc.causality.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:871d5397b2f94722bc7bb08a3afc5a2d@dmarc-reports.cloudflare.net;

📬 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#

latest probe, not this scan · checked 2026-10-14 13:47:13

www	104.21.92.84 172.67.190.137 2606:4700:3030::ac43:be89 2606:4700:3034::6815:5c54 (AS13335) (address records, no CNAME)
www vs bare domain	Same network causality.dk: 104.21.92.84 172.67.190.137 2606:4700:3030::ac43:be89 2606:4700:3034::6815:5c54 (AS13335) www.causality.dk: 104.21.92.84 172.67.190.137 2606:4700:3030::ac43:be89 2606:4700:3034::6815:5c54 (AS13335)
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

🔎 SPF check#

zone-wide SPF report

DNS lookups: 3/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 61ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC#

73ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA#

54ms

Field	Value
Serial	2416019815
Primary NS (MNAME)	abby.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-14 13:58:21

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2014-11-21
Expires	2028-11-30 (774d)

📋 WHOIS#

⏱️ Lookup Timing#

55ms

51ms

43ms

AAAA

35ms

TXT

288ms

CAA

30ms

HTTPS

54ms

TLSA

61ms

SOA

54ms

MTA-STS

63ms

DNSSEC

73ms

SRV

79ms

Total

705ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-14 13:47:13	1979ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-30 17:32:47 shown	705ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-28 09:10:50	1069ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-23 07:45:57	1119ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-14 01:48:11	1894ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-27 21:58:03	825ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-08 04:36:41	1494ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-01 10:38:19	1177ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-18 01:25:26	1395ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-11 15:41:07	3343ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-01 23:02:51	987ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-16 19:45:27	684ms	2 NS 2 A 2 MX	🔒 Secure