| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 212.237.249.12 | 3600s | lb1.builder.nu | AS48854 | team.blue Denmark A/S | 212.237.248.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | 212.237.249.12 |
| TXT Record |
|---|
| MS=ms46702990 |
| P-PdCpiDbtG6 |
| v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk include:spf.permido.com include:spf.mailanyone.net -all |
| vpe=1bcbfbe2 |
| Policy | Record (rudolphogoager.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk include:spf.permido.com include:spf.mailanyone.net -all |
| Policy | Record (_dmarc.rudolphogoager.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarc@rudolphogoager.onmicrosoft.com |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025121001 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-26 20:20:08 | 1021ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-07-03 00:12:32 | 9738ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-06-24 01:06:08 | 1629ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-06-23 12:54:52 | 941ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-18 05:58:03 | 1103ms | 2 NS 1 A 3 MX | 🔒 Secure | View |