bybussen.dk is a .dk domain served by 2 nameservers (gerardo.ns.cloudflare.com, karina.ns.cloudflare.com). It was registered on 31 July 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. On 7 October 2026 we saw it transfer from Ovh to Openprovider. Its website address 104.21.26.174 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.26.174 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.138.36 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.26.174 |
| 🔶 Autoconfig | 104.21.26.174 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:8a24 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:1aae | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.26.174,172.67.138.36 ech=AEX+DQBBOgAgACAV3wqRoyDkIb2EQsJWTjR/MWJlY266+VNeEoNgt9WcAAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:8a24,2606:4700:3033::6815:1aae |
| TXT Record |
|---|
| google-site-verification=wnnFu2mb4AtVWK1dKIrUO6ldkd3Hgj1qBdMQsubQd_s |
| www | 104.21.26.174 172.67.138.36 2606:4700:3031::ac43:8a24 2606:4700:3033::6815:1aae (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network bybussen.dk: 104.21.26.174 172.67.138.36 2606:4700:3031::ac43:8a24 2606:4700:3033::6815:1aae (AS13335) www.bybussen.dk: 104.21.26.174 172.67.138.36 2606:4700:3031::ac43:8a24 2606:4700:3033::6815:1aae (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2416750475 |
| Primary NS (MNAME) | gerardo.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Openprovider |
| Registered | 2026-07-31 |
| Expires | 2027-07-30 (286d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 01:18:19 shown | 2394ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-28 19:39:58 | 1151ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 18:10:20 | 566ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 12:06:38 | 641ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-16 04:23:42 | 2178ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-02 22:30:37 | 10046ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-20 15:09:11 | 1900ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-07 18:06:44 | 940ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-02 04:12:32 | 739ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-30 01:28:16 | 17021ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-27 21:53:59 | 812ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-26 21:33:26 | 754ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-25 20:20:22 | 761ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-24 19:52:52 | 675ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-23 16:49:59 | 724ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-21 22:58:11 | 800ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-20 08:36:00 | 8592ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-19 06:55:45 | 886ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-18 04:01:45 | 701ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-17 00:24:27 | 8577ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-15 13:17:12 | 16547ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-13 09:35:49 | 708ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-10 09:43:24 | 8690ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-09 06:54:00 | 1189ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-08 06:52:39 | 788ms | 1 NS 0 A 0 MX | ❓ Unknown |