dronninglundgymnasium.dk is a .dk domain served by 2 nameservers (ns1.123hotel.dk, ns2.123hotel.dk). It was registered on 5 August 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.199 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by dronninglundgymnasium-dk.mail.protection.outlook.com, mx1.onlinemail.io and 1 more. 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 |
|---|---|---|---|
| ns1.123hotel.dk | — | — | — |
| ns2.123hotel.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.199 | — | linux14.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| google-site-verification=JEVm_hK9tjA9FKZ2793LNKep1sqWBYJIEpeDuWpbUwE |
| MS=ms65913604 |
| v=spf1 include:spf.onlinemail.io ip4:20.16.248.199 ip4:52.174.241.161 -all |
| Policy | Record (dronninglundgymnasium.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.onlinemail.io ip4:20.16.248.199 ip4:52.174.241.161 -all |
| www | 185.21.40.199 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network dronninglundgymnasium.dk: 185.21.40.199 (AS48854) www.dronninglundgymnasium.dk: 185.21.40.199 (AS48854) |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025121601 |
| Primary NS (MNAME) | ns1.123hotel.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-08-05 |
| Expires | 2027-08-31 (308d) |
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).
| Domain | Registrar |
|---|---|
| dgintra.dk | Netsite A/S |
| dgopen.dk | Netsite A/S |
| drlund-gym.dk | Netsite A/S |
| dronninglundlobet.dk | Netsite A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-24 14:25:19 | 2204ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 04:44:21 shown | 691ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 04:40:12 | 1589ms | 2 NS 1 A 3 MX | 🔒 Secure |