zfree.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 4 May 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) 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 |
|---|---|---|---|---|---|---|---|
| 94.231.103.100 | 600s | dnsforward.simply.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| www | 94.231.103.100 (AS48854) (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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2020072990 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2018-05-04 |
| Expires | 2027-05-31 (226d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:22:16 | 488ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 05:38:38 | 491ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 05:26:07 | 321ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 00:02:45 | 420ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-10 10:13:33 | 424ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 21:20:18 | 488ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-25 14:24:58 shown | 2121ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 11:56:14 | 552ms | 4 NS 1 A 0 MX | 🔒 Secure |