detgrønnegymnasium.dk is a .dk domain served by 2 nameservers (ns1.esis.dk, ns2.esis.dk). It was registered on 6 March 2025 (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.xn--detgrnnegymnasium-40b.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 |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 100 | 3600s | mxnonexistent.xn--detgrnnegymnasium-40b.dk | — | — | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (detgrønnegymnasium.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.detgrønnegymnasium.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=r; aspf=r |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| 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 | 195 |
| Primary NS (MNAME) | esisns1 |
| Responsible (RNAME) | hostmaster |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2025-03-06 |
| Expires | 2027-03-05 (132d) |
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 |
|---|---|---|---|
| 2026-10-19 19:38:01 shown | 504ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 17:37:02 | 3344ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 09:36:33 | 437ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 06:40:46 | 1056ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 04:18:19 | 519ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 04:17:50 | 586ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 03:44:56 | 580ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 01:50:25 | 657ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 14:44:21 | 621ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 07:22:08 | 725ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 17:01:59 | 625ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 06:18:55 | 1154ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 18:33:08 | 3123ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-23 12:16:39 | 2184ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-19 06:14:54 | 4479ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 16:23:40 | 668ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-14 14:37:22 | 798ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 12:46:07 | 3682ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-31 05:52:30 | 941ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-28 08:26:44 | 15074ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 03:02:23 | 1005ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-21 15:19:58 | 1088ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 15:40:54 | 636ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 12:55:19 | 1015ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-06 03:27:00 | 1009ms | 2 NS 1 A 1 MX | 🔒 Secure |