0x23.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 June 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 35.185.44.232 is hosted by Google LLC (AS396982) in United States. Mail is handled by mxext1.mailbox.org, mxext2.mailbox.org and 1 more. The zone is DNSSEC-signed and validates, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 35.185.44.232 | — | 232.44.185.35.bc.googleusercontent.com | AS396982 | Google LLC | 35.184.0.0/13 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mxext1.mailbox.org | 80.241.60.212 | mx1.mailbox.org | AS199118 Heinlein Support GmbH |
| 10 | — | mxext2.mailbox.org | 80.241.60.215 | mx2.mailbox.org | AS199118 Heinlein Support GmbH |
| 20 | — | mxext3.mailbox.org | 80.241.60.216 | mx3.mailbox.org | AS199118 Heinlein Support GmbH |
| TXT Record |
|---|
| v=spf1 include:mailbox.org ~all |
| Policy | Record (0x23.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:mailbox.org ~all |
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mxext1.mailbox.org | DANE-EE · SPKI · SHA-256 | E41CC7633029AFDBA53744D7E5FC31EF… |
| SMTP _25._tcp.mxext1.mailbox.org | DANE-EE · SPKI · SHA-256 | 996AD31D65E03F038B8EC950F6F26611… |
| SMTP _25._tcp.mxext1.mailbox.org | DANE-EE · SPKI · SHA-256 | 4758AF6F02DFB5DC8795FA402E77A8A0… |
| SMTP _25._tcp.mxext2.mailbox.org | DANE-EE · SPKI · SHA-256 | 4758AF6F02DFB5DC8795FA402E77A8A0… |
| SMTP _25._tcp.mxext2.mailbox.org | DANE-EE · SPKI · SHA-256 | E41CC7633029AFDBA53744D7E5FC31EF… |
| SMTP _25._tcp.mxext2.mailbox.org | DANE-EE · SPKI · SHA-256 | 996AD31D65E03F038B8EC950F6F26611… |
| SMTP _25._tcp.mxext3.mailbox.org | DANE-EE · SPKI · SHA-256 | 996AD31D65E03F038B8EC950F6F26611… |
| SMTP _25._tcp.mxext3.mailbox.org | DANE-EE · SPKI · SHA-256 | 4758AF6F02DFB5DC8795FA402E77A8A0… |
| SMTP _25._tcp.mxext3.mailbox.org | DANE-EE · SPKI · SHA-256 | E41CC7633029AFDBA53744D7E5FC31EF… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061201 |
| 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 | 2018-06-03 |
| Expires | 2028-06-30 (622d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 10:46:09 | 1994ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-30 19:56:06 | 1152ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-24 13:57:08 | 1120ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-17 23:02:11 | 1210ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-13 18:20:15 | 1237ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-13 13:39:01 | 9451ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-09 08:23:28 | 5427ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-14 17:11:02 | 19670ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-13 07:44:26 | 1509ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-10 15:21:28 | 9659ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-29 14:18:01 | 1084ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-25 06:50:16 | 1109ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-21 22:19:21 | 1140ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 22:43:31 | 4277ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-16 12:33:43 shown | 2761ms | 2 NS 1 A 3 MX | 🔒 Secure |