rued.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 8 March 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed and validates, has no 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.
| TXT Record |
|---|
| google-site-verification=G1-JfNooJ2aFf9L7HqafqG3n3Xdq2dY1jxf7HLHEalQ |
| v=spf1 include:_spf.google.com include:spf.simply.com -all |
| Policy | Record (rued.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.google.com include:spf.simply.com -all |
| www | 185.20.205.17 (AS48854) (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 |
|---|---|---|
| — | 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| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2024100207 |
| 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 | 1999-03-08 |
| Expires | 2027-03-31 (162d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 14:52:00 | 434ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 14:43:09 | 432ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 10:21:32 | 706ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 22:27:18 | 631ms | 3 NS 0 A 5 MX | 🔒 Secure |
| 2026-06-24 02:11:38 | 927ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 03:38:40 | 747ms | 3 NS 0 A 5 MX | ⚠️ Bogus |
| 2026-06-20 22:08:34 | 2730ms | 3 NS 0 A 5 MX | 🔒 Secure |
| 2026-06-20 19:13:16 | 1227ms | 3 NS 0 A 5 MX | 🔒 Secure |
| 2026-06-17 12:02:59 shown | 801ms | 3 NS 0 A 5 MX | 🔒 Secure |