barkholtbyg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 21 February 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.37 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by 84ede2dafabada4f9e6e514e413db3.pamx1.hotmail.com, 84ede2dafabada4f9e6e514e413db3.msv1.invalid. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.213.37 | — | webcluster2.webpod12-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | 84ede2dafabada4f9e6e514e413db3.pamx1.hotmail.com | 52.101.11.6 52.101.73.23 52.101.73.29 52.101.73.5 |
— — — — |
AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation AS8075 Microsoft Corporation |
| 100 | — | 84ede2dafabada4f9e6e514e413db3.msv1.invalid | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10a:8029:f97d:3067:c76b | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=msv1 t=84ede2dafabada4f9e6e514e413db3 |
| v=spf1 include:hotmail.com ~all |
| Policy | Record (barkholtbyg.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:hotmail.com ~all |
| www | 46.30.213.37 2a02:2350:5:10a:8029:f97d:3067:c76b (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network barkholtbyg.dk: 46.30.213.37 2a02:2350:5:10a:8029:f97d:3067:c76b (AS51468) www.barkholtbyg.dk: 46.30.213.37 2a02:2350:5:10a:8029:f97d:3067:c76b (AS51468) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · 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 | 2026061501 |
| 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 | 2006-02-21 |
| Expires | 2027-02-28 (129d) |
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 |
|---|---|---|---|
| 2026-10-20 21:59:55 | 442ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-19 18:32:41 | 1519ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-18 17:59:12 | 488ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-30 20:46:50 | 529ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 01:55:05 | 2472ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-04 07:11:55 | 8550ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-01 21:08:18 | 10459ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-19 04:11:42 | 973ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 13:47:38 | 911ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-16 14:07:19 shown | 750ms | 2 NS 1 A 2 MX | 🔒 Secure |