henning-birch.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 March 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 85.82.79.75 is hosted by Telenor A/S (AS9158) in Denmark. Mail is handled by henning-birch.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 |
|---|---|---|---|---|---|---|---|
| 85.82.79.75 | — | — | AS9158 | Telenor A/S | 85.80.0.0/14 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | henning-birch.dk | 85.82.79.75 | — | AS9158 Telenor A/S |
| www | Exists, no address |
| www vs bare domain | www does not resolve henning-birch.dk: 104.21.25.199 172.67.134.133 2606:4700:3036::ac43:8685 2606:4700:3037::6815:19c7 (AS13335) (all like this)www.henning-birch.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| 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 | 2026061303 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2002-03-08 |
| Expires | 2036-03-31 (3451d) |
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 |
|---|---|---|---|
| 2026-10-19 06:43:07 | 1490ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-18 05:59:04 | 1759ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-16 04:38:44 | 1299ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-15 01:28:02 | 2091ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 00:49:26 | 609ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-30 09:56:31 | 1217ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-24 20:53:56 | 2428ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-17 03:56:22 | 4162ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-07 02:04:57 | 9804ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-04 05:57:32 | 1406ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-12 10:25:07 | 1032ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-23 20:44:55 | 2632ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-20 18:23:25 | 1001ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-20 12:26:35 | 3235ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 11:19:46 | 844ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:11:55 shown | 608ms | 2 NS 1 A 1 MX | 🔒 Secure |