serversystems.dk is a .dk domain served by 2 nameservers (abdullah.ns.cloudflare.com, cora.ns.cloudflare.com). It was registered on 5 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 188.177.55.39 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.serversystems.dk. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 188.177.55.39 | — | 188-177-55-39-cable.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 188.176.0.0/13 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.serversystems.dk | 188.177.55.39 | 188-177-55-39-cable.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| TXT Record |
|---|
| v=spf1 ip4:188.177.55.39/32 -all |
| Policy | Record (serversystems.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:188.177.55.39/32 -all |
| Policy | Record (_dmarc.serversystems.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@serversystems.dk; ruf=mailto:postmaster@serversystems.dk; fo=0; adkim=r; aspf=r; sp=reject |
| www | 188.177.55.39 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2406022251 |
| Primary NS (MNAME) | abdullah.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2024-02-05 |
| Expires | 2027-02-04 (105d) |
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).
| Domain | Registrar |
|---|---|
| wea.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 03:38:26 | 743ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 13:24:59 | 538ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-12 12:33:48 | 808ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 11:18:42 | 588ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 16:26:27 | 10546ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-10 04:06:10 | 947ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-29 09:23:14 | 831ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 10:28:31 | 847ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 04:52:23 | 993ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 16:32:01 | 1556ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:47:46 shown | 1140ms | 2 NS 1 A 1 MX | 🔓 Insecure |