sebastianlund.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 19 December 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.183.139.203 | 3600s | web3.gigahost.dk | AS47292 | — | — | — | — |
| 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 | sebastianlund.dk → 46.183.139.203 |
| 🔶 Autoconfig | sebastianlund.dk → 46.183.139.203 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (sebastianlund.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.sebastianlund.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | sebastianlund.dk (all on sebastianlund.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.sebastianlund.dk | sebastianlund.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 | 2026061801 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@sebastianlund.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 2007-12-19 |
| Expires | 2026-12-31 (68d) |
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 |
|---|---|---|---|
| 2026-10-15 20:49:38 | 998ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 23:17:27 | 985ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 20:49:02 | 773ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 19:22:57 | 909ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-21 09:34:22 | 9806ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-17 22:13:45 | 1086ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-16 07:06:11 | 1162ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-07 15:48:16 | 1029ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 16:01:47 | 902ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-26 21:49:50 | 897ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 02:38:59 | 1587ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 19:31:49 | 5644ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 21:35:24 | 1311ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-31 10:33:42 | 2330ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-24 01:57:51 | 1216ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 09:33:28 | 1011ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-10 10:07:44 | 1015ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 10:13:23 | 9456ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 01:18:08 | 1898ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 18:10:17 | 848ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 05:51:36 shown | 2913ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 22:53:25 | 722ms | 5 NS 1 A 3 MX | 🔓 Insecure |