gmf1.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.48.142.40 is hosted by TDC Holding A/S (AS3292) in Denmark. 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 |
|---|---|---|---|---|---|---|---|
| 87.48.142.40 | 3600s | — | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (gmf1.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www | 87.48.142.40 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · 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 | 2023111505 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 15:30:45 | 562ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-29 15:05:36 shown | 1625ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-03 21:00:44 | 364ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-28 13:34:01 | 480ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 09:33:50 | 573ms | 3 NS 1 A 0 MX | 🔒 Secure |