0tx.dk is a .dk domain served by 2 nameservers (desiree.ns.cloudflare.com, yadiel.ns.cloudflare.com). It was registered on 28 July 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 135.181.98.40 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by mail.0tx.dk, pmg.domingo.dk. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 135.181.98.40 | 300s | mail.0tx.dk | AS24940 | Hetzner Online GmbH | 135.181.0.0/16 | 🇫🇮 Finland | Helsinki |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.0tx.dk | 135.181.98.40 2a01:4f9:c011:bc01::1 |
mail.0tx.dk mail.0tx.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| 40 | 300s | pmg.domingo.dk | 2a01:4f8:c012:9adf::1 49.13.214.145 |
pmg.domingo.dk pmg.domingo.dk |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.0tx.dk → 135.181.98.40 |
| 🔶 Autoconfig | mail.0tx.dk → 135.181.98.40 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f9:c011:bc01::1 | 300s | mail.0tx.dk | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇫🇮 Finland | Helsinki |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 1 | 443 | mail.0tx.dk |
| TXT Record |
|---|
| v=spf1 ip4:135.181.98.40 ip6:2a01:4f9:c011:bc01::1 ip4:49.13.214.145 ip6:2a01:4f8:c012:9adf::1 ip4:83.88.251.84 ip4:195.201.239.191 ip6:2a01:4f8:c014:d78::1 -all |
| Policy | Record (0tx.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:135.181.98.40 ip6:2a01:4f9:c011:bc01::1 ip4:49.13.214.145 ip6:2a01:4f8:c012:9adf::1 ip4:83.88.251.84 ip4:195.201.239.191 ip6:2a01:4f8:c014:d78::1 -all |
| Policy | Record (_dmarc.0tx.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www CNAME | 0tx.dk (all on 0tx.dk) |
| www vs bare domain | Same network 0tx.dk: 135.181.98.40 2a01:4f9:c011:bc01::1 (AS24940) www.0tx.dk: 135.181.98.40 2a01:4f9:c011:bc01::1 (AS24940) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~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: 0/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.0tx.dk | DANE-EE · SPKI · SHA-256 | CA0670673BBB301601491AE6821DB45B… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2413080251 |
| Primary NS (MNAME) | desiree.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Domænehajen ApS |
| Registered | 2022-07-28 |
| Expires | 2027-07-27 (283d) |
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 |
|---|---|
| 2drt.dk | Domænehajen ApS |
| bitspand.dk | Domænehajen ApS |
| domingo.dk | Domænehajen ApS |
| pregel.dk | Domænehajen ApS |
| soc42.dk | Domænehajen ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 16:49:59 | 1375ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 00:06:54 | 1865ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-09 01:36:11 | 1576ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-03 21:13:32 | 1340ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-30 08:13:59 | 1551ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-29 04:15:58 | 1492ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-27 16:37:15 | 1420ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-25 02:33:59 shown | 1706ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 20:51:09 | 1652ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-27 16:38:08 | 2015ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 14:59:56 | 1196ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 13:53:58 | 1627ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-23 06:56:16 | 1164ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 16:48:33 | 1739ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 12:33:36 | 2049ms | 2 NS 1 A 2 MX | 🔒 Secure |