a33.dk is a .dk domain served by 4 nameservers (ns1.dk, ns2.dk, ns3.dk and 1 more). It was registered on 27 July 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.184.85.12 is hosted by PerfGrid (AS59795) in The Netherlands. Mail is handled by pmg1.h4r.eu, pmg2.h4r.eu. 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 |
|---|---|---|---|---|---|---|---|
| 213.184.85.12 | — | nlcp03.shared-infra.net | AS59795 | PerfGrid | 213.184.84.0/23 | 🇳🇱 The Netherlands | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | pmg1.h4r.eu | 49.12.11.203 | filter02.h4r.eu | AS24940 Hetzner Online GmbH |
| 20 | — | pmg2.h4r.eu | 57.129.66.76 | filter04.h4r.eu | AS16276 OVH SAS |
| Policy | Record (_dmarc.a33.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:michael@a33.dk |
| www | Address record (no CNAME) |
| Wildcard | No |
| 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.
| 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 | 2026051204 |
| Primary NS (MNAME) | ns1.dk |
| Responsible (RNAME) | server@hosting4real.com |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2024-07-27 |
| Expires | 2027-07-26 (282d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 23:52:17 | 1395ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-02 04:08:53 | 2516ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-28 16:11:42 | 1147ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-08 02:02:08 | 3227ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-01 17:22:50 | 982ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-28 14:52:24 | 939ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-25 21:20:53 | 1146ms | 4 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-25 18:07:54 | 1126ms | 4 NS 1 A 2 MX | ❓ Unknown |
| 2026-06-16 12:49:42 shown | 1372ms | 4 NS 1 A 2 MX | 🔓 Insecure |