heneberg.dk is a .dk domain served by 2 nameservers (ns.web2u.dk, ns2.web2u.dk). It was registered on 6 November 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.229.203.54 is hosted by Netnoerden ApS (AS216275) in Denmark. Mail is handled by mail.heneberg.dk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|
| ns.web2u.dk | 91.229.203.54 | — | AS216275 Netnoerden ApS |
| ns2.web2u.dk | 185.24.169.15 | 185-24-169-15.onlinegateway.net | AS197996 ONLINE GATEWAY ApS |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.229.203.54 | 86400s | — | AS216275 | Netnoerden ApS | 91.229.203.0/24 | 🇩🇰 Denmark | Virum |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail.heneberg.dk | 91.229.203.54 | — | AS216275 Netnoerden ApS |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | heneberg.dk → 91.229.203.54 |
| 🔶 Autoconfig | heneberg.dk → 91.229.203.54 |
| TXT Record |
|---|
| google-site-verification=uKctnNUkACdVIQxWQ6JxNjwjAvA9VBGS_xdKLfxAWN8 |
| v=spf1 ip4:91.229.203.54 ~all |
| Policy | Record (heneberg.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:91.229.203.54 ~all |
| www CNAME | heneberg.dk (all on heneberg.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| dkim | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 0/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.heneberg.dk | heneberg.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026073000 |
| Primary NS (MNAME) | ns.web2u.dk |
| Responsible (RNAME) | postmaster@heneberg.dk |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2002-11-06 |
| Expires | 2026-12-31 (73d) |
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 |
|---|---|---|---|
| 2026-09-28 12:25:59 | 2669ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 12:10:41 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-01 06:22:42 | 9748ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 18:39:14 | 4802ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 15:36:08 | 8789ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-09 03:16:43 shown | 13887ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-03 10:26:58 | 28262ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 02:33:47 | 7944ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 14:05:51 | 7722ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:20:45 | 4544ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:18:46 | 1403ms | 2 NS 1 A 1 MX | 🔓 Insecure |