netgymnasium.dk is a .dk domain served by 2 nameservers (ns1.esis.dk, ns2.esis.dk). It was registered on 1 December 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.19.134.87 is hosted by Syddansk Erhvervsskole Odense-Vejle (AS199374) in Denmark. Mail is handled by mxnonexistent.netgymnasium.dk. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|
| ns1.esis.dk | 185.19.134.2 | ns1.esis.dk | AS199374 Syddansk Erhvervsskole Odense-Vejle |
| ns2.esis.dk | 185.19.134.3 | ns2.esis.dk | AS199374 Syddansk Erhvervsskole Odense-Vejle |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 185.19.134.87 |
| 🔶 Autoconfig | 185.19.134.87 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (netgymnasium.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.netgymnasium.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r |
| www | 185.19.134.87 (AS199374) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · 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 | 2020051803 |
| Primary NS (MNAME) | ns1.esis.dk |
| Responsible (RNAME) | hostmaster |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-12-01 |
| Expires | 2027-07-31 (287d) |
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 04:28:04 shown | 3518ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 22:30:35 | 464ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 19:27:00 | 900ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 15:27:51 | 457ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 15:09:54 | 721ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 14:25:05 | 1243ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 13:56:29 | 2828ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 05:51:46 | 686ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 05:44:30 | 1132ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 02:18:54 | 614ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 08:53:09 | 588ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-29 18:30:55 | 803ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 00:24:22 | 523ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 07:59:20 | 4854ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-18 06:01:02 | 1883ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 02:12:31 | 3563ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 21:14:43 | 929ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 19:07:32 | 8896ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-02 05:15:12 | 8945ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-26 04:42:05 | 1199ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-24 03:51:10 | 3746ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-20 22:49:40 | 3695ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-15 09:58:39 | 996ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-10 11:02:23 | 1302ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 22:14:21 | 710ms | 2 NS 1 A 1 MX | 🔒 Secure |