larstrup.dk is a .dk domain served by 2 nameservers (pola.ns.cloudflare.com, rajeev.ns.cloudflare.com). It was registered on 28 August 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.209.68.37 is hosted by FIBIA P/S (AS44869) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 80.209.68.37 | 300s | 80.209.68.37.static.fibianet.dk | AS44869 | FIBIA P/S | 80.209.0.0/17 | 🇩🇰 Denmark | Borup |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | larstrup.dk → 80.209.68.37 |
| 🔶 Autoconfig | larstrup.dk → 80.209.68.37 |
| TXT Record |
|---|
| v=spf1 include:_spf.google.com ~all |
| Policy | Record (larstrup.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ~all |
| Policy | Record (_dmarc.larstrup.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:46c49994dc2b4a53a5e3d4ce27f2b2f7@dmarc-reports.cloudflare.net |
| www CNAME | larstrup.dk (all on larstrup.dk) → 80.209.68.37 (AS44869) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~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.
DNS lookups: 1/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.larstrup.dk | larstrup.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2409521393 |
| Primary NS (MNAME) | pola.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-08-28 |
| Expires | 2027-09-30 (341d) |
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 |
|---|---|
| nl-teknik.dk | Punktum dk A/S (direct) |
| pangalacticgargleblaster.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 12:14:17 | 2177ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-26 19:42:22 | 1531ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-24 19:21:45 | 960ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-20 01:02:39 | 1092ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-16 08:03:59 | 1514ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-14 23:30:12 | 2054ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-09-07 20:42:02 | 1946ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-27 11:24:05 | 1149ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-08-10 01:29:43 | 3258ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-21 17:12:17 | 2299ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-18 03:16:29 | 1175ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-07-15 15:05:35 shown | 1381ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-26 21:02:35 | 2764ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-25 21:35:30 | 1004ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-19 13:50:38 | 996ms | 2 NS 1 A 5 MX | 🔒 Secure |
| 2026-06-17 23:16:25 | 2009ms | 2 NS 1 A 5 MX | 🔒 Secure |