grenboger.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 7 October 2026 (WHOIS) and first appeared in the .dk zone on 8 October 2026. Its website address 87.104.6.147 is hosted by FIBIA P/S (AS44869) in Denmark. 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 |
|---|---|---|---|---|---|---|---|
| 87.104.6.147 | 3600s | 87.104.6.147.static.fibianet.dk | AS44869 | FIBIA P/S | 87.104.0.0/18 | 🇩🇰 Denmark | Sorø |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 87.104.6.147 |
| 🔶 Autoconfig | 87.104.6.147 |
| www | 87.104.6.147 (AS44869) (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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100800 |
| 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 | 2026-10-07 |
| Expires | 2027-10-06 (348d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 20:40:14 | 631ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-09 08:36:55 | 643ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 08:34:44 shown | 1709ms | 3 NS 1 A 0 MX | 🔒 Secure |