3xn.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 22 November 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 139.59.214.242 is hosted by DigitalOcean, LLC (AS14061) in Germany. Mail is handled by 3xn-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 139.59.214.242 | — | 237866.cloudwaysapps.com | AS14061 | DigitalOcean, LLC | 139.59.0.0/16 | 🇩🇪 Germany | — |
| TXT Record |
|---|
| miro-verification=a55d46ab2b93ca2add14d76a8c9521859f924116 |
| v=spf1 include:spf-westeu.emailsignatures365.com include:_spf.emply.com ip4:62.61.159.238 ip4:83.94.103.200 ip4:217.63.124.70 ip4:62.116.200.222 include:spf.protection.outlook.com include:sendgrid.net include:mailwatch.onehosting.dk -all |
| Policy | Record (3xn.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf-westeu.emailsignatures365.com include:_spf.emply.com ip4:62.61.159.238 ip4:83.94.103.200 ip4:217.63.124.70 ip4:62.116.200.222 include:spf.protection.outlook.com include:sendgrid.net include:mailwatch.onehosting.dk -all |
| Policy | Record (_dmarc.3xn.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; ri=43200; rua=mailto:rua-reports@cadesign.dk; ruf=mailto:ruf-reports@cadesign.dk |
| www | 139.59.214.242 (AS14061) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u22482998.wl249.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u22482998.wl249.sendgrid.net | 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: 7/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026041201 |
| 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 | 1999-11-22 |
| Expires | 2026-12-31 (75d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 16:39:25 | 888ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 06:43:22 | 1113ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 05:42:46 | 873ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 04:36:51 | 1256ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 03:51:32 | 887ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 00:18:09 | 971ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 03:51:05 | 982ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 12:52:03 | 1203ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 05:34:09 | 5781ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 10:54:10 | 907ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 00:32:56 | 1095ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 14:35:41 | 1085ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-23 03:23:07 | 3265ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 20:48:53 | 1116ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 00:22:34 | 1233ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 21:02:39 | 9891ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 12:58:11 shown | 1802ms | 2 NS 1 A 1 MX | 🔒 Secure |