gdc.dk is a .dk domain served by 2 nameservers (ns1.seo-linuxpl.com, ns2.seo-linuxpl.com). It was registered on 20 February 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.78.67.51 is hosted by Cyber_Folks S.A. (AS41079) in Poland. Mail is handled by mail.gdc.dk. The zone is not DNSSEC-signed, 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.seo-linuxpl.com | 94.152.254.111 | ns1.cyberfolks.pl | AS29522 Cyber_Folks S.A. |
| ns2.seo-linuxpl.com | 94.152.255.111 | ns2.cyberfolks.pl | AS29522 Cyber_Folks S.A. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.78.67.51 | 300s | s173.cyber-folks.pl | AS41079 | Cyber_Folks S.A. | 195.78.66.0/23 | 🇵🇱 Poland | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.gdc.dk | 195.78.67.51 | s173.cyber-folks.pl | AS41079 Cyber_Folks S.A. |
| TXT Record |
|---|
| v=spf1 a mx ip4:195.78.67.51 include:_spf.cyberfolks.pl -all |
| Policy | Record (gdc.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx ip4:195.78.67.51 include:_spf.cyberfolks.pl -all |
| Policy | Record (_dmarc.gdc.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; sp=none |
| www | 195.78.67.51 (AS41079) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 5/10 · 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 | 2024120500 |
| Primary NS (MNAME) | ns1.seo-linuxpl.com |
| Responsible (RNAME) | hostmaster@gdc.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | WEB SOLUTIONS A/S |
| Registered | 2013-02-20 |
| Expires | 2027-02-28 (133d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 23:35:47 shown | 990ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 10:44:05 | 1109ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-27 14:34:20 | 20539ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-23 09:29:19 | 10558ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 22:07:27 | 5148ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 15:48:39 | 913ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:19:58 | 3111ms | 2 NS 1 A 1 MX | 🔓 Insecure |