ptcbio.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 8.8.8.8 is hosted by Google LLC (AS15169) in United States. Mail is handled by custmx.cscdns.net. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 8.8.8.8 | 14400s | dns.google | AS15169 | Google LLC | 8.8.8.0/24 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 14400s | custmx.cscdns.net | 198.58.121.58 | 198-58-121-58.ip.linodeusercontent.com | AS63949 Akamai Connected Cloud |
| 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 | 2014120409 |
| Primary NS (MNAME) | dns1.cscdns.net |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 14400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 15:32:30 | 668ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 14:02:15 | 685ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 03:47:42 shown | 2281ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 14:57:26 | 700ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:10:33 | 518ms | 2 NS 1 A 1 MX | 🔓 Insecure |