roskilde-gymnasium.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 15 November 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 198.202.211.1 is hosted by Cloudflare London, LLC (AS209242) in United States. 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 |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 198.202.211.1 | 3600s | — | AS209242 | Cloudflare London, LLC | 198.202.211.0/24 | 🇺🇸 United States | — |
| TXT Record |
|---|
| _globalsign-domain-verification=FEqJZq1gBwv43bZzPJ5QnD0l3GWzZxUPhWmgt7O9Mm |
| _globalsign-domain-verification=Mz8GmBnMOfgUeTE2Xbu542UIHAR1N-fWCSC_yZfc3X |
| www CNAME | cdn.webflow.com (all on webflow.com) |
| www vs bare domain | Same network roskilde-gymnasium.dk: 198.202.211.1 (AS209242) www.roskilde-gymnasium.dk: 198.202.211.1 2620:cb:2000::1 (AS13335 AS209242) |
| Wildcard | No |
| 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 | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101501 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@roskilde-gymnasium.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | SAC-IT A/S |
| Registered | 2006-11-15 |
| Expires | 2026-11-30 (40d) |
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 |
|---|---|---|---|
| 2026-10-15 17:04:10 shown | 1495ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-08 03:08:23 | 2319ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 02:03:42 | 1311ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 00:25:10 | 1860ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-20 01:55:44 | 1752ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-13 14:11:32 | 1560ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-05 00:49:54 | 1544ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 09:36:26 | 1691ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 20:01:24 | 2163ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-25 18:52:27 | 1948ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-20 10:41:04 | 663ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-13 11:53:17 | 2083ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-08 04:11:59 | 982ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-01 15:00:38 | 890ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-23 15:43:56 | 525ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-16 06:05:09 | 1465ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-09 22:38:39 | 546ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-07 04:38:01 | 16856ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 18:07:01 | 1038ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-28 17:30:13 | 1002ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-19 10:14:05 | 869ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 23:42:16 | 2332ms | 2 NS 1 A 0 MX | 🔒 Secure |