sysop.dk is a .dk domain served by 2 nameservers (ns1.desec.io, ns2.desec.org). It was registered on 26 April 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 202.61.233.45 is hosted by netcup GmbH (AS197540) in Germany. Mail is handled by mail.sysop.dk, mxe92f.netcup.net. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 202.61.233.45 | — | ae92d.netcup.net | AS197540 | netcup GmbH | 202.61.224.0/19 | 🇩🇪 Germany | Nuremberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.sysop.dk | 202.61.233.47 | mxe92f.netcup.net | AS197540 netcup GmbH |
| 50 | — | mxe92f.netcup.net | 202.61.233.47 2a03:4000:0:565:64d5:ceff:feb1:d3a6 |
mxe92f.netcup.net mxe92f.netcup.net |
AS197540 netcup GmbH AS197540 netcup GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a03:4000:61:64e4::19:3537 | — | — | AS197540 | netcup GmbH | 2a03:4000:0:0:0:0:0:0/31 | 🇩🇪 Germany | Nuremberg |
| TXT Record |
|---|
| v=spf1 mx a include:_spf.webhosting.systems ~all |
| Policy | Record (sysop.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx a include:_spf.webhosting.systems ~all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 2 CDS, 1 CDNSKEY |
DNS lookups: 5/10 · 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 | 2024113557 |
| Primary NS (MNAME) | get.desec.io |
| Responsible (RNAME) | get@desec.io |
| Refresh | 86400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-04-26 |
| Expires | 2027-06-30 (249d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 23:15:36 | 677ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-16 01:29:18 | 967ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-09 04:35:44 | 1580ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 22:59:41 | 1494ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 22:01:56 | 1228ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 19:40:21 | 1521ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-19 08:41:26 | 1345ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-11 19:37:18 | 1737ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-04 16:49:10 | 1541ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-28 13:23:34 | 1987ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-21 07:13:25 | 2448ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-14 03:40:05 | 3740ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-07 12:37:28 | 1472ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-03 16:25:23 | 9487ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-23 19:45:01 | 1057ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-17 06:22:48 | 10133ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-13 02:16:06 | 1328ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-03 11:38:01 | 7656ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 16:12:39 | 3551ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 19:06:15 | 1670ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 15:40:57 | 1333ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 21:48:42 | 1428ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 13:54:43 shown | 2271ms | 2 NS 1 A 2 MX | 🔒 Secure |