| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.61.100.163 | 900s | 0x573d64a3.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 | 900s | mail.rg47c.dk | 173.212.230.247 | mail.rg47c.dk | AS51167 Contabo GmbH |
| TXT Record |
|---|
| v=spf1 include:rg47c.dk ip4:173.212.230.247 -all |
| Policy | Record (freinoergaard.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:rg47c.dk ip4:173.212.230.247 -all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-01 21:41:13 | 736ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-14 22:26:21 | 4896ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-15 08:21:27 | 8743ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 01:29:34 | 701ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 00:41:28 | 1645ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 09:41:15 | 1217ms | 2 NS 1 A 1 MX | 🔒 Secure | View |