| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.50.118.19 | 43200s | 87-50-118-19-cable.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Hvidovre |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 43200s | detburdevirke-dk.mail.protection.outlook.com | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.152 |
| 🔶 Autoconfig | 87.50.118.19 |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (detburdevirke.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081101 |
| 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 | |
|---|---|---|---|---|
| 2026-08-12 10:37:27 | 1415ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-18 04:20:47 | 2770ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-12 13:04:49 | 759ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 00:23:48 | 671ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 02:25:01 | 729ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 02:21:41 | 416ms | 2 NS 1 A 1 MX | 🔒 Secure | View |