fdf-son.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 May 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.219 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mail.gigahost.dk. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.116.232.219 | 21600s | 219.giga-ptr.232.116.217.in-addr.arpa web19.gigahost.dk |
AS47292 | Sentia Denmark A/S | 217.116.224.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 20000s | mail.gigahost.dk | 89.186.169.85 | — | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | fdf-son.dk → 217.116.232.219 |
| 🔶 Autoconfig | fdf-son.dk → 217.116.232.219 |
| www | 157.250.163.58 (AS3342) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.fdf-son.dk | fdf-son.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032501 |
| 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 | WEBHOSTING A/S |
| Registered | 2008-05-04 |
| Expires | 2027-05-31 (226d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 23:14:44 | 621ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 16:28:16 | 752ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-21 09:41:47 | 830ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-02 09:38:31 | 2431ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-11 16:41:59 | 2817ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-07 23:52:08 | 2051ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 10:06:11 | 717ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 05:35:11 shown | 706ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 21:57:22 | 812ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:18:12 | 3769ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 10:15:50 | 595ms | 2 NS 1 A 1 MX | 🔒 Secure |