vetcalc.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 29 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 37.148.206.45 is hosted by Host Europe GmbH (AS21499) in The Netherlands. Mail is handled by mail.dyrlaegenet.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 37.148.206.45 | 3600s | 45.206.148.37.host.secureserver.net | AS21499 | Host Europe GmbH | 37.148.200.0/21 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.dyrlaegenet.dk | 37.148.206.45 | 45.206.148.37.host.secureserver.net | AS21499 Host Europe GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 37.148.206.45 |
| 🔶 Autoconfig | 37.148.206.45 |
| TXT Record |
|---|
| v=spf1 include:_spf.mlsend.com a mx ip4:37.148.206.45 ip4:185.150.199.46 |
| Policy | Record (vetcalc.dk) |
|---|---|
| no all — incomplete SPF | v=spf1 include:_spf.mlsend.com a mx ip4:37.148.206.45 ip4:185.150.199.46 |
| Policy | Record (_dmarc.vetcalc.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:postmaster@vetcalc.dk; ruf=mailto:postmaster@vetcalc.dk; fo=1 |
| www | 37.148.206.45 (AS21499) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | 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: 3/10 · policy: none
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.vetcalc.dk | IjhtdCoMfZyG__tu5-zXDnFBoiE2dFwf_O9M-HbnBEQ |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101200 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-04-29 |
| Expires | 2027-04-28 (193d) |
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 |
|---|---|
| 24timersuret.dk | Punktum dk A/S (direct) |
| bokobi.dk | Punktum dk A/S (direct) |
| vet-academy.dk | Simply.com A/S |
| vetacademy.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 03:40:12 shown | 615ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 05:50:13 | 462ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 05:48:13 | 435ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 19:31:01 | 506ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 18:48:36 | 492ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 13:25:12 | 527ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-01 19:02:53 | 778ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 11:26:51 | 858ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 11:12:19 | 633ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 11:03:08 | 801ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-20 22:16:04 | 4104ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-21 07:45:45 | 650ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-21 03:55:40 | 1168ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 23:11:41 | 1634ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 14:16:45 | 1067ms | 3 NS 1 A 0 MX | 🔒 Secure |