hammerbolig.dk is a .dk domain served by 4 nameservers (ns1.dotserv.com, ns1.dotserv.net, ns2.dotserv.com and 1 more). It was registered on 11 August 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.20.216.13 is hosted by Atea A/S (AS21060) in Denmark. Mail is handled by ispc3.dotserv.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 178.20.216.13 | 3600s | ispc3.dotserv.com | AS21060 | Atea A/S | 178.20.216.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | ispc3.dotserv.com | 178.20.216.13 | ispc3.dotserv.com | AS21060 Atea A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.hammerbolig.dk → 178.20.216.13 |
| 🔶 Autoconfig | 178.20.216.13 |
| TXT Record |
|---|
| v=spf1 include:_spf.dotserv.com -all |
| Policy | Record (hammerbolig.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.dotserv.com -all |
| Policy | Record (_dmarc.hammerbolig.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | comodoca.com |
| 0 | issue | letsencrypt.org |
| www | 178.20.216.13 (AS21060) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1284021731 |
| Primary NS (MNAME) | ns1.dotserv.com |
| Responsible (RNAME) | hostmaster@dotserv.com |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-08-11 |
| Expires | 2027-09-30 (348d) |
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).
| Domain | Registrar |
|---|---|
| hammer-bolig.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 12:15:56 shown | 588ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 16:33:42 | 605ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-28 07:46:49 | 599ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-07 06:01:54 | 9630ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-03 14:32:07 | 2557ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 15:54:25 | 875ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 09:34:24 | 965ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 23:59:49 | 1158ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:12:08 | 2467ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:05:17 | 959ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:51:59 | 2967ms | 4 NS 1 A 1 MX | 🔓 Insecure |