carstenlassen.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 15 February 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.209.9.210 is hosted by FIBIA P/S (AS44869) in Denmark. 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 |
|---|---|---|---|---|---|---|---|
| 80.209.9.210 | 3600s | 80.209.9.210.static.fibianet.dk | AS44869 | FIBIA P/S | 80.209.0.0/17 | 🇩🇰 Denmark | Haslev |
| 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 | carstenlassen.dk → 80.209.9.210 |
| 🔶 Autoconfig | carstenlassen.dk → 80.209.9.210 |
| 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 (carstenlassen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.carstenlassen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | carstenlassen.dk (all on carstenlassen.dk) → 80.209.9.210 (AS44869) |
| 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.carstenlassen.dk | carstenlassen.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@carstenlassen.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 2005-02-15 |
| Expires | 2027-02-28 (131d) |
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).
| Domain | Registrar |
|---|---|
| 2it.dk | Punktum dk A/S (direct) |
| ilmail.dk | GIGAHOST ApS |
| privat-salg-service.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 13:33:47 | 851ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 04:04:45 | 4108ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-02 00:59:07 | 650ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-25 23:50:56 | 2583ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-25 00:23:52 | 1137ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-18 21:49:33 | 1171ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-11 20:04:53 | 1165ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-08 03:53:34 | 1587ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-28 00:58:28 | 1553ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-21 03:18:21 | 9274ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-13 05:36:31 | 4607ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 07:24:55 | 1390ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 04:09:36 | 1976ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 18:41:17 | 1469ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 23:18:06 | 8734ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 11:52:10 | 4349ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-29 04:31:27 shown | 1331ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 02:53:36 | 6255ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-21 17:50:06 | 919ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 20:55:02 | 14896ms | 0 NS 0 A 3 MX | ❓ Unknown |
| 2026-06-16 19:30:47 | 1105ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 19:30:09 | 1795ms | 5 NS 1 A 3 MX | 🔓 Insecure |