systemcenter.dk is a .dk domain served by 6 nameservers (ns10.dnsadmin.dk, ns11.dns-admin.dk, ns12.dnsadmin.dk and 3 more). It was registered on 29 December 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 92.241.223.253 is hosted by Cibicom A/S (AS3342) in Denmark. Mail is handled by dk.mx1.mailanyone.net, dk.mx2.mx25.net and 2 more. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 92.241.223.253 | 299s | — | AS3342 | Cibicom A/S | 92.241.216.0/21 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.97.188.72 |
| 🔶 Autoconfig | 92.241.223.253 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms24959278 |
| v=spf1 ip4:91.144.246.110 ip4:46.36.206.2 ip4:46.36.206.5 ip4:46.36.211.197 include:spfschosting.systemcenter.dk include:spfhosting.systemcenter.dk include:spf.protection.outlook.com include:servers.mcsv.net include:autotask.net -all |
| vpe=29555fa |
| Policy | Record (systemcenter.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:91.144.246.110 ip4:46.36.206.2 ip4:46.36.206.5 ip4:46.36.211.197 include:spfschosting.systemcenter.dk include:spfhosting.systemcenter.dk include:spf.protection.outlook.com include:servers.mcsv.net include:autotask.net -all |
| Policy | Record (_dmarc.systemcenter.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:60103bc4cb787@dmarc.centerasecurity.com; adkim=s; aspf=s; |
| www | 92.241.223.253 (AS3342) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 0 iterations · 8-byte salt · opt-out RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| k1 | dkim.mcsv.net | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 5/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx1.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx2.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx3.mailanyone.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 443DFE296DAC92DD311766BAD0B04CC7… |
| SMTP _25._tcp.dk.mx4.mx25.net | DANE-EE · Full cert · SHA-256 | 1AAAC405385DEB66C25E43D629569F6C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2009010184 |
| Primary NS (MNAME) | ns20.digicertdns.com |
| Responsible (RNAME) | dns@digicertdns.com |
| Refresh | 43200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 180s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-12-29 |
| Expires | 2026-12-31 (69d) |
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).
Showing 100 of 168.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 13:37:55 | 2657ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-20 19:13:19 | 775ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-19 18:42:37 | 2701ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-18 18:12:19 | 1647ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-15 15:25:19 | 2950ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-14 13:19:34 | 858ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-12 07:20:47 | 1055ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-02 17:42:43 | 1102ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 17:25:11 | 4123ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-28 17:06:37 | 1483ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-24 16:11:09 | 1068ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-21 08:39:47 | 1342ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-15 00:42:56 | 1668ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-08 22:55:53 shown | 3067ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-31 23:56:56 | 1034ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 01:44:25 | 1203ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-20 18:11:58 | 3030ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-19 08:08:24 | 17425ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-18 08:05:56 | 2696ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-16 16:03:25 | 2114ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-13 19:58:22 | 1904ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-12 18:21:02 | 4541ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-09 02:37:51 | 3680ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-02 19:56:50 | 1323ms | 6 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-26 14:17:32 | 10586ms | 6 NS 1 A 4 MX | 🔒 Secure |