| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 3600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | scan1.centex.dk | 92.43.176.51 | — | AS3292 TDC Holding A/S |
| 10 | 3600s | scan2.centex.dk | 92.43.176.159 | — | AS3292 TDC Holding A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 10 | 443 | email.holtec.dk |
| TXT Record |
|---|
| v=spf1 mx ip4:178.132.236.124 ip4:178.132.236.126 include:spf.protection.outlook.com include:centex.dk -all |
| Policy | Record (hstec.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip4:178.132.236.124 ip4:178.132.236.126 include:spf.protection.outlook.com include:centex.dk -all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081201 |
| 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 | |
|---|---|---|---|---|
| 2026-08-14 08:21:52 | 1042ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-08 09:56:18 | 4885ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-19 18:03:20 | 899ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-13 17:06:58 | 8611ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-07 08:51:40 | 3357ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-01 10:02:33 | 574ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-25 11:25:14 | 575ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-21 08:16:35 | 1132ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 20:40:44 | 2527ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-17 15:03:06 | 273ms | 0 NS 0 A 0 MX | ❓ Unknown | View |