kalundborgbilletten.dk is a .dk domain served by 2 nameservers (jewel.ns.cloudflare.com, wells.ns.cloudflare.com). It 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 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 |
|---|---|---|---|---|---|---|---|
| 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 |
|---|---|---|
| CNAME | _acme-challenge.kalundborgbilletten.dk | billet1.billetbyen.dk |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 24F573980561755185B794745411B05D… |
| 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 | 2415120320 |
| Primary NS (MNAME) | jewel.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-17 23:17:00 shown | 1132ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-15 13:10:47 | 1259ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-12 13:26:39 | 1662ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-08-16 20:00:36 | 2208ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-20 08:40:19 | 9515ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-15 17:38:15 | 9060ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-26 22:40:40 | 1076ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-18 17:24:07 | 1181ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-18 03:07:12 | 1065ms | 2 NS 1 A 4 MX | 🔓 Insecure |