r-gym.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 31 August 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns07.sac-it.dk | 85.235.243.63 | 63.0-127.243.235.85.in-addr.arpa | AS3308 Norlys Telco A/S |
| ns08.sac-it.dk | 128.76.60.63 | ns08.sac-it.dk | AS3292 TDC Holding A/S |
| www CNAME | www.roskilde-gymnasium.dk (all on roskilde-gymnasium.dk) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026062501 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@r-gym.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | SAC-IT A/S |
| Registered | 2006-08-31 |
| Expires | 2027-08-31 (310d) |
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 |
|---|---|---|---|
| 2026-10-23 05:29:28 | 398ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-16 07:34:10 | 581ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-08 11:27:44 | 714ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-01 06:39:04 | 762ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-24 16:14:57 | 421ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-17 04:49:15 | 499ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-10 18:15:19 | 455ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-04 21:14:48 | 2610ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-04 19:22:52 | 593ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-28 02:26:06 | 797ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-27 13:29:39 | 377ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-20 16:43:23 | 2413ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-13 10:39:49 | 752ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-08 11:08:00 | 1365ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-01 01:27:59 | 675ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-23 08:04:23 | 9611ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-16 21:29:28 | 688ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-09 04:15:00 | 1380ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-03 06:53:18 | 331ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-28 06:53:17 shown | 369ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-24 02:33:57 | 5057ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-23 23:45:31 | 2394ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-23 14:58:06 | 1152ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 12:02:08 | 1177ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 00:01:21 | 682ms | 2 NS 0 A 0 MX | 🔒 Secure |