christianb.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 3 July 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | 3600s | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | christianb.dk → 46.183.138.100 |
| 🔶 Autoconfig | christianb.dk → 46.183.138.100 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | christianb.dk (all on christianb.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u19913229.wl230.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u19913229.wl230.sendgrid.net | RSA · ~1024 bit below 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.
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.christianb.dk | christianb.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 | 2026062501 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@christianb.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2007-07-03 |
| Expires | 2027-07-31 (282d) |
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 |
|---|---|---|---|
| 2026-10-15 17:38:33 | 594ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 16:26:28 | 1174ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 14:28:32 | 796ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 13:13:34 | 774ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-19 05:42:12 | 659ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-10 16:33:20 | 1022ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-03 15:42:46 | 897ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 20:47:16 | 585ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-21 00:38:43 | 1513ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 20:16:44 | 3040ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-08 08:04:16 | 10029ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-02 14:07:35 | 1219ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 20:53:08 | 8729ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 10:35:30 | 1330ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 04:41:58 | 17729ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-05 01:24:40 | 714ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 20:47:27 | 2132ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 06:42:37 shown | 981ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-23 04:36:56 | 3378ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 20:44:14 | 548ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 20:41:02 | 956ms | 5 NS 1 A 3 MX | 🔓 Insecure |