| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.247.78.2 | 3600s | vps189.rackhosting.com | AS31590 | Rackhosting.com ApS | 77.247.64.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | 77.247.78.2 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 ip4:128.76.135.50 include:spf.protection.outlook.com include:massmail.scannet.dk include:optima.im-systems.dk include:_spf.centerasecurity.dk -all |
| Policy | Record (defrie.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:128.76.135.50 include:spf.protection.outlook.com include:massmail.scannet.dk include:optima.im-systems.dk include:_spf.centerasecurity.dk -all |
| Policy | Record (_dmarc.defrie.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| 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 | 2026080901 |
| 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 | |
|---|---|---|---|---|
| 2026-08-27 18:40:35 | 1191ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-08-26 19:56:42 | 1050ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-08-17 21:22:25 | 5545ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-08-10 14:20:15 | 1146ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-07-10 18:01:44 | 1495ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-06-25 11:57:28 | 745ms | 2 NS 1 A 3 MX | 🔒 Secure | View |
| 2026-06-17 01:45:17 | 3023ms | 2 NS 1 A 3 MX | ⚠️ Bogus | View |
| 2026-06-17 01:30:59 | 944ms | 2 NS 1 A 3 MX | 🔒 Secure | View |