| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.25.67 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.223.173 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| 🔶 Autoconfig | 172.67.223.173 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:dfad | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:1943 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.25.67,172.67.223.173 ech=AEX+DQBBYQAgACDLZaUhRrNOxKTEOetLnsDFreD0DY/ayRlcj6KlnEOBeQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:dfad,2606:4700:3034::6815:1943 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all |
| Policy | Record (revisorlinien.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.centerasecurity.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.revisorlinien.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:63764462e926d@dmarc.centerasecurity.com; |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-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.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2413364664 |
| Primary NS (MNAME) | agustin.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-29 05:14:55 | 781ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-08-12 17:08:25 | 9508ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-08-10 06:43:31 | 1600ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-07-17 08:05:18 | 2693ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-07-15 23:09:55 | 1397ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-24 07:10:13 | 1169ms | 2 NS 2 A 2 MX | 🔒 Secure | View |
| 2026-06-23 19:48:30 | 937ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-18 00:32:09 | 1319ms | 2 NS 2 A 2 MX | 🔒 Secure | View |