calberg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 27 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.148 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by calberg-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.148 | — | webcluster1.webpod17-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:106:a0:22b4:d23e:3a7b | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| MS=ms11917196 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (calberg.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 46.30.215.134 2a02:2350:5:106:33:d041:dff:b8dc (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network calberg.dk: 46.30.215.134 2a02:2350:5:106:33:d041:dff:b8dc (AS51468) www.calberg.dk: 46.30.215.134 2a02:2350:5:106:33:d041:dff:b8dc (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| 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 | 2026042105 |
| 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 | 2004-02-27 |
| Expires | 2027-02-28 (132d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 00:46:29 | 956ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 13:48:56 | 565ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 05:17:35 | 1269ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 04:50:52 | 901ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 14:47:26 | 851ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 06:14:18 | 1459ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-08 23:17:50 | 1391ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 07:58:02 | 1955ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-16 05:29:58 | 5302ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 10:53:39 | 1710ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 20:57:06 | 3610ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 22:10:41 | 1139ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 06:28:38 | 1058ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 16:29:57 | 2758ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 18:55:23 shown | 694ms | 2 NS 1 A 1 MX | 🔒 Secure |