sommerbogen.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 21 February 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.207.2.154 is hosted by Herning Kommune (AS49010) in Denmark. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|
| ns07.sac-it.dk | 85.235.243.63 | ns07.sac-it.dk | AS3308 Norlys Telco A/S |
| ns08.sac-it.dk | 128.76.60.63 | ns08.sac-it.dk | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.207.2.154 | 3600s | — | AS49010 | Herning Kommune | 91.207.2.0/23 | 🇩🇰 Denmark | Herning |
| TXT Record |
|---|
| v=spf1 include:_sommerbogen_dk.spf-protect.com -all |
| Policy | Record (sommerbogen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_sommerbogen_dk.spf-protect.com -all |
| Policy | Record (_dmarc.sommerbogen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:62e273e779a2b@dmarc.centerasecurity.com; |
| www CNAME | sommerbogen.dk (all on sommerbogen.dk) → 91.207.2.154 (AS49010) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 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 | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081301 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@sommerbogen.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | SAC-IT A/S |
| Registered | 2001-02-21 |
| Expires | 2027-03-31 (163d) |
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 |
|---|---|---|---|
| 2026-10-16 07:40:52 | 762ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 11:22:03 | 2368ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 04:52:39 | 1598ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 03:58:54 | 589ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 00:12:27 | 491ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-21 15:33:33 | 560ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-14 13:20:14 | 792ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-08 09:17:23 | 1004ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 19:35:22 | 387ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-20 20:54:39 | 2696ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-14 13:16:39 shown | 2559ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-06 04:01:13 | 597ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-03 04:21:50 | 668ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-26 22:07:39 | 16516ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-23 18:03:53 | 713ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-17 12:17:36 | 846ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-09 23:26:41 | 1903ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 20:11:11 | 367ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-25 17:34:29 | 400ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-22 12:12:25 | 644ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-21 03:19:53 | 389ms | 2 NS 1 A 0 MX | ⚠️ Bogus |
| 2026-06-17 22:34:35 | 437ms | 2 NS 1 A 0 MX | 🔒 Secure |