331.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.proxiedmail.com. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx.proxiedmail.com | 207.154.196.147 | mx.proxiedmail.com | AS14061 DigitalOcean, LLC |
| TXT Record |
|---|
| proxiedmail-verification=22cf754b149f28fdf23ee4199771ff3f |
| v=spf1 include:spf.proxiedmail.com ~all |
| Policy | Record (331.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.proxiedmail.com ~all |
| Policy | Record (_dmarc.331.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:delivery-reports@pxdmail.com |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves 331.dk: no address www.331.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 |
|---|---|---|
| dkim | dkim._domainkey.pxdmail.com | RSA · ~4096 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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026032704 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 22:19:31 | 630ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-03 12:35:39 | 1020ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-01 23:51:01 shown | 725ms | 3 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-16 12:51:45 | 1105ms | 3 NS 0 A 1 MX | 🔒 Secure |