fastfence.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.41 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by .. 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 |
|---|---|---|---|---|---|---|---|
| 185.20.205.41 | 3600s | linux367.unoeuro.com | AS48854 | team.blue Denmark A/S | 185.20.204.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | fastfence.dk → 185.20.205.41 |
| 🔶 Autoconfig | fastfence.dk → 185.20.205.41 |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (fastfence.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| www CNAME | fastfence.dk (all on fastfence.dk) → 185.20.205.41 (AS48854) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.fastfence.dk | fastfence.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 05:35:42 | 801ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 21:21:17 | 541ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 05:23:43 shown | 4460ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 05:55:01 | 1102ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 21:38:53 | 660ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 01:05:57 | 2022ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-27 04:18:49 | 4994ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 11:49:47 | 790ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 16:31:19 | 573ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 12:19:32 | 622ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 09:28:42 | 429ms | 2 NS 1 A 0 MX | ⚠️ Bogus |
| 2026-06-17 09:24:16 | 737ms | 2 NS 1 A 0 MX | 🔒 Secure |