0x90.dk

📜 Historical scan 2026-09-12 20:30:00 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

0x90.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 November 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.98.180.249 is hosted by Hetzner Online GmbH (AS24940) in Germany. 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 29ms

Nameserver	IP addresses	PTR	ASN / ISP
ns01.one.com	195.206.121.10 2001:67c:28cc::10	ns01.one.com ns01.one.com	AS197495 One.com A/S AS197495 One.com A/S
ns02.one.com	185.10.11.10 2001:67c:3c0::10	ns02.one.com ns02.one.com	AS51468 One.com A/S AS51468 One.com A/S

🌍 A Records#

1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
91.98.180.249	3600s	ra.0x90.dk	AS24940	Hetzner Online GmbH	91.98.0.0/15	🇩🇪 Germany	Falkenstein

📧 MX Records#

2 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	3600s	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	3600s	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)#

1 records 33ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a01:4f8:2210:24c3::1	3600s	ra.0x90.dk	AS24940	Hetzner Online GmbH	2a01:4f8:0:0:0:0:0:0/31	🇩🇪 Germany	Falkenstein

🔐 HTTPS Records#

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records#

2 records 139ms

TXT Record
protonmail-verification=e1551aafc222999924d0430fff3075ea94e683b5
v=spf1 include:_spf.protonmail.ch -all

✉️ SPF#

Policy	Record (0x90.dk)
-all (hard fail)	v=spf1 include:_spf.protonmail.ch -all

📨 DMARC#

Policy	Record (_dmarc.0x90.dk)
p=reject	v=DMARC1; p=reject; fo=1; rua=mailto:dmarc@0x90.dk

📬 MTA-STS#

173ms

Check	Result
Status	🔒 Enforce
TXT record (_mta-sts)	✓ Found
HTTPS policy	✓ Valid
Mode	enforce
Policy ID	20251201141500
max_age	2678400s
Policy MX	mail.protonmail.ch, mailsec.protonmail.ch

📈 TLSRPT#

Status	Report address (rua)
✓ Enabled	mailto:tls-report@0x90.dk

📜 CAA Records#

1 records 38ms

Flags	Tag	Value
0	issue	letsencrypt.org

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 23:20:15

www CNAME	0x90.dk (all on 0x90.dk) → 138.201.126.116 2a01:4f8:172:29a5::2 (AS24940)
www vs bare domain	Same network 0x90.dk: 138.201.126.116 2a01:4f8:172:29a5::2 (AS24940) www.0x90.dk: 138.201.126.116 2a01:4f8:172:29a5::2 (AS24940)
Wildcard	No
Denial of existence	NSEC3 · 0 iterations · no salt RFC 9276 ✓
CDS / CDNSKEY	None 0 CDS, 0 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: -all

No problems found

🔗 TLSA / DANE#

4 records 553ms

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

🔐 DNSSEC#

110ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2026091001
Primary NS (MNAME)	ns01.one.com
Responsible (RNAME)	hostmaster@one.com
Refresh	14400s
Retry	3600s
Expire	1209600s
Minimum (neg-cache TTL)	600s

📋 Registration#

WHOIS fetched 2026-10-16 16:34:07

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2007-11-12
Expires	2030-11-30 (1505d)

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

📋 WHOIS#

⏱️ Lookup Timing#

29ms

38ms

32ms

AAAA

33ms

TXT

139ms

CAA

38ms

HTTPS

29ms

TLSA

553ms

SOA

0ms

MTA-STS

173ms

DNSSEC

110ms

SRV

45ms

Total

1469ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-12 23:20:15	804ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-23 21:22:17	1161ms	2 NS 1 A 2 MX	🔒 Secure
2026-09-12 20:30:00 shown	1469ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-16 07:02:15	17549ms	2 NS 1 A 2 MX	🔒 Secure
2026-08-12 07:48:35	1234ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-18 04:35:26	2420ms	2 NS 1 A 2 MX	🔒 Secure
2026-07-15 19:10:43	1215ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-25 03:26:28	687ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-23 00:51:12	1133ms	2 NS 1 A 2 MX	🔒 Secure
2026-06-16 12:33:48	1658ms	2 NS 1 A 2 MX	🔒 Secure