hal9000.dk

📜 Historical scan 2026-08-22 02:29:32 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

hal9000.dk is a .dk domain served by 2 nameservers (demi.ns.cloudflare.com, otto.ns.cloudflare.com). It was registered on 10 January 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.51.55 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by linda.mx.cloudflare.net, amir.mx.cloudflare.net and 1 more. The zone is DNSSEC-signed and validates, has no 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 80ms

Nameserver	IP addresses	PTR	ASN / ISP
demi.ns.cloudflare.com	108.162.192.95 172.64.32.95 173.245.58.95 2606:4700:50::adf5:3a5f 2803:f800:50::6ca2:c05f 2a06:98c1:50::ac40:205f	demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com demi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
otto.ns.cloudflare.com	108.162.195.135 162.159.44.135 172.64.35.135 2606:4700:58::a29f:2c87 2803:f800:50::6ca2:c387 2a06:98c1:50::ac40:2387	otto.ns.cloudflare.com otto.ns.cloudflare.com otto.ns.cloudflare.com otto.ns.cloudflare.com otto.ns.cloudflare.com otto.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 59ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.51.55	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.221.167	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

3 records 79ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
80	300s	linda.mx.cloudflare.net	162.159.205.23 162.159.205.24 162.159.205.25 2606:4700:f5::b 2606:4700:f5::c 2606:4700:f5::d	route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
84	300s	amir.mx.cloudflare.net	162.159.205.11 162.159.205.12 162.159.205.13 2606:4700:f5::11 2606:4700:f5::12 2606:4700:f5::13	route1.mx.cloudflare.net route1.mx.cloudflare.net route1.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net route3.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
96	300s	isaac.mx.cloudflare.net	162.159.205.17 162.159.205.18 162.159.205.19 2606:4700:f5::10 2606:4700:f5::e 2606:4700:f5::f	route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net route2.mx.cloudflare.net	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🔷 AAAA Records (IPv6)#

2 records 68ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:dda7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::6815:3337	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 84ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.51.55,172.67.221.167 ech=AEX+DQBBrAAgACAvQe/2yNFntQmFqE9JRpDNmK4ItovIcqJ9LM87j5hiDwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:dda7,2606:4700:3033::6815:3337

📝 TXT Records#

1 records 344ms

TXT Record
v=spf1 include:_spf.mx.cloudflare.net ~all

✉️ SPF#

Policy	Record (hal9000.dk)
~all (soft fail)	v=spf1 include:_spf.mx.cloudflare.net ~all

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 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 2026-10-13 03:52:34

www	104.21.51.55 172.67.221.167 2606:4700:3030::ac43:dda7 2606:4700:3033::6815:3337 (AS13335) (address records, no CNAME)
www vs bare domain	Same network hal9000.dk: 104.21.51.55 172.67.221.167 2606:4700:3030::ac43:dda7 2606:4700:3033::6815:3337 (AS13335) www.hal9000.dk: 104.21.51.55 172.67.221.167 2606:4700:3030::ac43:dda7 2606:4700:3033::6815:3337 (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: 1/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.hal9000.dk	0bg3d8-Kh8Dav4Rk5aSumNlpjTdd04e5gugG5m-ZTH0
TXT	_acme-challenge.hal9000.dk	947qIUewwO0WgJpFcwQejnZk6YuaWLOteg_Rj0TiInM

🔗 TLSA / DANE#

9 records 226ms

Service / Owner	Type	Cert association
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.amir.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…
SMTP _25._tcp.isaac.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	0F0C6C164A36F97E7B4C5A5B69D6F4F2…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-EE · SPKI · SHA-256	9BE5B7D47F9EFF930C11EB04D27CAE6B…
SMTP _25._tcp.linda.mx.cloudflare.net	DANE-TA · SPKI · SHA-256	59E738E674221702AF1EDB87C5200C1A…

🔐 DNSSEC#

218ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2412772539
Primary NS (MNAME)	demi.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-09 23:08:48

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2001-01-10
Expires	2027-03-31 (165d)

📋 WHOIS#

⏱️ Lookup Timing#

80ms

59ms

79ms

AAAA

68ms

TXT

344ms

CAA

69ms

HTTPS

84ms

TLSA

226ms

SOA

0ms

MTA-STS

98ms

DNSSEC

218ms

SRV

117ms

Total

3068ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 03:52:34	601ms	2 NS 2 A 3 MX	🔒 Secure
2026-10-12 01:31:37	652ms	2 NS 2 A 3 MX	🔒 Secure
2026-10-09 22:39:59	741ms	2 NS 2 A 3 MX	🔒 Secure
2026-10-07 20:29:13	765ms	2 NS 2 A 3 MX	🔒 Secure
2026-10-01 00:39:06	814ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-30 06:08:44	719ms	2 NS 2 A 3 MX	🔒 Secure
2026-09-20 05:36:25	1021ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-30 20:52:29	1636ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-27 15:33:18	865ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-25 05:52:31	1263ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-23 02:37:06	8297ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-22 02:29:32 shown	3068ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-20 01:15:42	20091ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-17 15:35:55	2155ms	2 NS 2 A 3 MX	🔒 Secure
2026-08-14 21:51:32	10215ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-30 14:11:54	9689ms	2 NS 2 A 3 MX	🔒 Secure
2026-07-06 13:44:14	3548ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-20 15:55:07	960ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-19 19:47:02	1864ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-17 10:42:14	1140ms	2 NS 2 A 3 MX	🔒 Secure
2026-06-17 10:38:53	3157ms	2 NS 2 A 3 MX	🔒 Secure