sonderborgbilletten.dk is a .dk domain served by 2 nameservers (jewel.ns.cloudflare.com, wells.ns.cloudflare.com). It was registered on 2 January 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.54.50.110 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.54.50.110 | 300s | — | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.pub.mailpod11-cph3.one.com | 104.37.34.230 | mx1.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 300s | mx2.pub.mailpod11-cph3.one.com | 104.37.34.231 | mx2.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 300s | mx3.pub.mailpod11-cph3.one.com | 104.37.34.232 | mx3.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| 10 | 300s | mx4.pub.mailpod11-cph3.one.com | 104.37.34.233 | mx4.pub.mailpod11-cph3.one.com | AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | billet1.billetbyen.dk → 87.54.50.110 |
| 🔶 Autoconfig | billet1.billetbyen.dk → 87.54.50.110 |
| www CNAME | billet1.billetbyen.dk (all on billetbyen.dk) → 87.54.50.110 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.sonderborgbilletten.dk | K0yq5JzQLaaKsXgiFNdN1-2LarqJ_L0FBiqCfSrpNJs |
| TXT | _acme-challenge.sonderborgbilletten.dk | eZey-YCDojU70nzPF1LOnxpjs5QSuRrZKcOEmb11fxM |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 068A81EDC98C58D5D494EDF2924D5F50… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2413345965 |
| Primary NS (MNAME) | jewel.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2006-01-02 |
| Expires | 2027-01-31 (98d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 07:11:32 | 813ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-10-03 07:10:31 | 713ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-10-01 03:17:11 | 861ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-20 12:37:45 | 760ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-18 09:11:14 | 2181ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-11 07:54:27 | 2748ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-28 00:40:17 shown | 770ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-24 16:46:50 | 2691ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-22 09:44:11 | 1500ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-06 02:22:16 | 1302ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-01 07:25:24 | 1137ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-18 06:01:34 | 1095ms | 2 NS 1 A 4 MX | 🔓 Insecure |