bt-h.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 5 June 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by bth-dk0e.mail.protection.outlook.com. 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 |
|---|---|---|---|
| ns1.simply.com | — | — | — |
| ns2.simply.com | — | — | — |
| ns3.simply.com | — | — | — |
| ns4.simply.com | — | — | — |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (bt-h.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves bt-h.dk: no address www.bt-h.dk: no address |
| 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| 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 | CURANET A/S |
| Registered | 2015-06-05 |
| Expires | 2031-06-30 (1716d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 23:29:25 | 1060ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 12:32:25 | 1313ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 12:28:32 | 1060ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-28 01:45:28 | 772ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-07 13:22:24 | 1522ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-23 17:26:15 | 805ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-20 16:08:34 | 938ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 17:51:49 shown | 3173ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 17:39:20 | 2386ms | 4 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 17:30:59 | 1183ms | 4 NS 0 A 1 MX | 🔒 Secure |