fjernvarme-fyn.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 January 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). The zone is DNSSEC-signed and validates, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | — | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| TXT Record |
|---|
| fjernvarmefyn.azurewebsites.net |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061201 |
| 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 | ONE.COM A/S |
| Registered | 2002-01-03 |
| Expires | 2028-03-31 (521d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| skolebooking.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 22:26:47 | 467ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 18:37:29 | 376ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 22:54:19 | 505ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-15 09:44:04 | 4471ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 12:27:12 | 814ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 11:00:57 | 622ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-18 04:59:14 | 4645ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 22:05:07 | 1152ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 13:50:53 | 595ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 08:21:54 | 555ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 22:26:29 | 16454ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 23:31:25 | 568ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:18:23 shown | 844ms | 2 NS 1 A 0 MX | 🔒 Secure |