3aitilbud.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 9 January 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.99.131.5 is hosted by Hetzner Online GmbH (AS24940) in Germany. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 91.99.131.5 | 300s | static.5.131.99.91.clients.your-server.de | AS24940 | Hetzner Online GmbH | 91.98.0.0/15 | 🇩🇪 Germany | Nuremberg |
| www CNAME | 3aitilbud.dk (all on 3aitilbud.dk) → 91.99.131.5 (AS24940) |
| www vs bare domain | Same network |
| 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 |
|---|---|---|
| selector1 | selector1-3aitilbud-dk._domainkey.ibexibexaps.w-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-3aitilbud-dk._domainkey.ibexibexaps.w-v1.dkim.mail.microsoft | 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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100200 |
| 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 | 2025-01-09 |
| Expires | 2027-01-08 (80d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 07:01:49 | 992ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 18:57:53 shown | 436ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 17:56:56 | 481ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-20 10:24:30 | 576ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-24 22:13:16 | 552ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-23 22:04:45 | 1125ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 13:30:34 | 560ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 12:36:14 | 630ms | 3 NS 1 A 0 MX | 🔒 Secure |