kcsyd.dk is a .dk domain served by 2 nameservers (ns1.esis.dk, ns2.esis.dk). It was registered on 1 July 2004 (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.kcsyd.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 this 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 (kcsyd.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.kcsyd.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 | 2020051802 |
| 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 | 2004-07-01 |
| 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 23:24:26 | 510ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 18:12:17 | 806ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 07:14:14 | 793ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 03:55:40 shown | 1132ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 03:30:53 | 869ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 02:56:41 | 798ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-25 02:21:35 | 9526ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 13:44:54 | 581ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 20:06:41 | 3242ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 18:16:33 | 750ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 16:42:25 | 2826ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-30 14:11:09 | 543ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 05:36:48 | 839ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 11:07:04 | 556ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 10:09:24 | 1794ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 01:39:35 | 691ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 20:35:34 | 3368ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 15:47:35 | 5201ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 11:47:42 | 3025ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-28 03:24:53 | 730ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-25 02:17:47 | 16732ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-22 22:54:06 | 714ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 21:58:35 | 917ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 06:59:45 | 9525ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 07:38:01 | 721ms | 2 NS 1 A 1 MX | 🔒 Secure |