v37.dk is a .dk domain served by 2 nameservers (ns.brisson.dk, ns2.brisson.dk). It was registered on 9 August 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.brisson.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.brisson.dk | 80.209.68.5 | 80.209.68.5.static.fibianet.dk | AS44869 FIBIA P/S |
| ns2.brisson.dk | 80.209.68.3 | 80.209.68.3.static.fibianet.dk | AS44869 FIBIA P/S |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mx.brisson.dk | 80.209.68.5 | 80.209.68.5.static.fibianet.dk | AS44869 FIBIA P/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imaps._tcp | 0 | 0 | 993 | mail.v37.dk |
| TXT Record |
|---|
| v=spf1 mx include:_spf.brisson.dk -all |
| Policy | Record (v37.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:_spf.brisson.dk -all |
| Policy | Record (_dmarc.v37.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc-reports@lists.e11.dk; ruf=mailto:dmarc-forensic@lists.e11.dk |
| Check | Result |
|---|---|
| Status | 🧪 Testing |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | testing |
| Policy ID | 20260904144925Z |
| max_age | 86400s |
| Policy MX | mx.brisson.dk |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:tlsrpt-reports@lists.e11.dk |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves v37.dk: no address www.v37.dk: no address |
| Wildcard | No |
| 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: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.brisson.dk | DANE-EE · SPKI · SHA-256 | FA203DECA691B5F6574B2C65ED8634B1… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101103 |
| Primary NS (MNAME) | ns.brisson.dk |
| Responsible (RNAME) | hostmaster@brisson.dk |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-08-09 |
| Expires | 2027-09-30 (347d) |
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 |
|---|---|
| u27.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 13:14:46 | 1278ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-16 12:26:11 | 1889ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-12 02:41:47 shown | 432ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-11 02:26:56 | 692ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-08 22:44:03 | 1987ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-07 22:29:43 | 909ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-03 19:16:50 | 767ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-02 21:34:47 | 630ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-01 21:33:37 | 895ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 21:30:51 | 677ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-29 01:43:09 | 850ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-23 23:29:27 | 694ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-18 04:44:37 | 1193ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-11 03:00:56 | 983ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-08 09:06:06 | 964ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-04 23:49:22 | 533ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-28 23:10:14 | 795ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 22:00:26 | 615ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-24 13:41:18 | 883ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-20 06:32:06 | 2845ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-19 06:04:36 | 3148ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-09 11:36:11 | 808ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-25 23:07:47 | 613ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-28 13:54:13 | 532ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:22:12 | 988ms | 2 NS 0 A 1 MX | 🔓 Insecure |