derby25.dk is a .dk domain served by 2 nameservers (june.ns.cloudflare.com, noah.ns.cloudflare.com). It was registered on 15 January 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.134.15.214 is hosted by Telia Company AB (AS3301) in Sweden. Mail is handled by derby25-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 |
|---|---|---|---|
| june.ns.cloudflare.com | — | — | — |
| noah.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.134.15.214 | — | — | AS3301 | Telia Company AB | 185.134.12.0/22 | 🇸🇪 Sweden | Stockholm |
| TXT Record |
|---|
| facebook-domain-verification=29r51v9vg6d1xk0c2f6w4pqi59mf8g |
| facebook-domain-verification=d6pt9pgprxol70gnfyo4lzv5ret7w4 |
| v=spf1 include:_spf.25syv.dk include:spf.protection.outlook.com include:amazonses.com -all |
| Policy | Record (derby25.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.25syv.dk include:spf.protection.outlook.com include:amazonses.com -all |
| Policy | Record (_dmarc.derby25.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:1cef2a980e504cddb656d34433184cd1@dmarc-reports.cloudflare.net |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:hostmaster@derby25.dk |
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | globalsign.com |
| 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 | globalsign.com |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www CNAME | derby25.dk (all on derby25.dk) → 185.134.15.214 (AS3301) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 3/10 · 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 | 2406643117 |
| Primary NS (MNAME) | june.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | NETIM |
| Registered | 2018-01-15 |
| Expires | 2027-01-31 (104d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 00:30:23 | 1142ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 18:52:27 | 1414ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 17:29:30 | 1021ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 06:26:28 | 1479ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 08:24:51 | 2324ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 01:34:52 | 1953ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 23:16:32 | 2160ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 23:57:42 | 6453ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 15:17:21 | 1173ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 05:05:33 | 1337ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 02:45:14 | 10777ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-10 17:56:56 | 1953ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-02 07:23:39 | 2276ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 01:06:32 | 1727ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 17:24:38 | 2802ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-05 00:11:47 | 1834ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 20:06:59 | 7474ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 23:26:33 | 6051ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 02:05:14 shown | 1103ms | 2 NS 1 A 1 MX | 🔒 Secure |