| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.61.101.15 | 3600s | 0x573d650f.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 | 43200s | jd-it.dk | 87.61.101.15 | 0x573d650f.static.cust.fastspeed.dk | AS3292 TDC Holding A/S |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (jd-it.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -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 | |
|---|---|---|---|---|
| 2026-08-26 21:27:24 | 731ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-24 23:32:36 | 584ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-16 06:32:45 | 841ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-21 15:09:29 | 4927ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-16 13:56:56 | 553ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-10 01:05:49 | 1239ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-27 16:25:19 | 1781ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 06:05:58 | 585ms | 2 NS 1 A 1 MX | 🔒 Secure | View |