| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns0.dk.colt.net | 212.74.77.29 | ns0.dk.colt.net | AS8220 COLT Technology Services Group Limited |
| ns1.dk.colt.net | 212.74.78.29 | ns1.dk.colt.net | AS8220 COLT Technology Services Group Limited |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 200s | mail.gruposyv.com | — | — | — |
| 20 | 200s | mail2.es.colt.net | 62.97.71.246 | cpees_mad000974.ia.colt.net | AS8220 COLT Technology Services Group Limited |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2005121900 |
| Primary NS (MNAME) | ns0.dk.colt.net |
| Responsible (RNAME) | domain-requests@colt.net |
| Refresh | 39940s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-28 10:43:04 | 4960ms | 2 NS 0 A 2 MX | 🔓 Insecure | View |
| 2026-08-27 03:32:25 | 11108ms | 2 NS 0 A 2 MX | 🔓 Insecure | View |
| 2026-07-02 11:12:24 | 4504ms | 2 NS 0 A 2 MX | 🔓 Insecure | View |
| 2026-06-23 22:29:13 | 8452ms | 2 NS 0 A 2 MX | 🔓 Insecure | View |
| 2026-06-16 14:03:05 | 1041ms | 2 NS 0 A 2 MX | 🔓 Insecure | View |