0x41726f6e.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 11 March 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.255.31.130 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by mx1.simplelogin.co, mx2.simplelogin.co. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 194.255.31.130 | 43200s | — | AS3308 | Norlys Telco A/S | 194.255.0.0/16 | 🇩🇰 Denmark | Frederiksberg |
| TXT Record |
|---|
| protonmail-verification=2b8c124b8f34476ca96babb45cb2af38be97932c |
| v=spf1 include:simplelogin.co ~all |
| Policy | Record (0x41726f6e.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:simplelogin.co ~all |
| Policy | Record (_dmarc.0x41726f6e.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; adkim=s; aspf=s |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | dkim._domainkey.simplelogin.co | RSA · ~1024 bit below 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.
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.simplelogin.co | DANE-EE · SPKI · SHA-256 | 6B56DC55058100C47BEF4BB8020D2A24… |
| SMTP _25._tcp.mx1.simplelogin.co | DANE-TA · SPKI · SHA-256 | 8D02536C887482BC34FF54E41D2BA659… |
| SMTP _25._tcp.mx1.simplelogin.co | DANE-TA · SPKI · SHA-256 | E5545E211347241891C554A03934CDE9… |
| SMTP _25._tcp.mx2.simplelogin.co | DANE-TA · SPKI · SHA-256 | E5545E211347241891C554A03934CDE9… |
| SMTP _25._tcp.mx2.simplelogin.co | DANE-EE · SPKI · SHA-256 | 6B56DC55058100C47BEF4BB8020D2A24… |
| SMTP _25._tcp.mx2.simplelogin.co | DANE-TA · SPKI · SHA-256 | 8D02536C887482BC34FF54E41D2BA659… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100901 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2014-03-11 |
| Expires | 2030-03-31 (1261d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 02:14:22 shown | 492ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-21 05:42:52 | 694ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-08 16:28:23 | 733ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-06 10:48:33 | 790ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 07:02:01 | 1864ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 15:53:00 | 2821ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-11 09:41:55 | 870ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 00:01:10 | 865ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 12:33:39 | 1745ms | 2 NS 1 A 2 MX | 🔒 Secure |