| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.61.101.100 | 300s | 0x573d6564.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 87.61.0.0/17 | 🇩🇰 Denmark | Aarhus |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.skjaerlund.dk | 87.61.101.100 | 0x573d6564.static.cust.fastspeed.dk | AS3292 TDC Holding A/S |
| 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 | 2413467313 |
| Primary NS (MNAME) | elle.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-29 17:10:38 | 1363ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-25 11:23:53 | 585ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-25 01:38:08 | 778ms | 2 NS 1 A 1 MX | ❓ Unknown | View |
| 2026-07-01 07:51:21 | 1015ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-29 17:10:31 | 867ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 02:32:01 | 1083ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 17:34:56 | 764ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 01:06:14 | 594ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |