rgafterschool.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 6 October 2010 (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 our latest 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 | ns07.sac-it.dk | AS3308 Norlys Telco A/S |
| ns08.sac-it.dk | 128.76.60.63 | ns08.sac-it.dk | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | www.roskilde-gymnasium.dk → 198.202.211.1 |
| 🔶 Autoconfig | www.roskilde-gymnasium.dk → 198.202.211.1 |
| 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 |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.rgafterschool.dk | www.roskilde-gymnasium.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026101501 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@rgafterschool.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | SAC-IT A/S |
| Registered | 2010-10-06 |
| Expires | 2026-10-31 (10d) |
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 07:29:46 shown | 420ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-08 10:58:52 | 461ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-01 21:13:28 | 490ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-29 20:56:48 | 540ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-27 02:42:58 | 683ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-24 07:06:23 | 504ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-21 01:32:27 | 1570ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-11 00:22:16 | 523ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-03 21:49:32 | 2456ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-27 16:24:14 | 624ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-26 15:38:39 | 780ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-20 22:46:31 | 3138ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-13 13:30:24 | 746ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-06 09:36:08 | 910ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-23 02:17:59 | 8708ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-16 09:31:55 | 8473ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-09 03:50:01 | 872ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-03 12:34:22 | 2320ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-26 08:52:14 | 1773ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-24 07:08:13 | 1191ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-24 03:43:56 | 1099ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-22 06:44:03 | 1004ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 00:23:59 | 573ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-18 14:44:47 | 2782ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-17 11:55:54 | 548ms | 2 NS 0 A 0 MX | 🔒 Secure |