| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (larsbærentzen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.larsbærentzen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@xn--larsbrentzen-bdb.dk; |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.xnlarsbrentzenbdb-dk0m3b.o-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | EA7A25255D111FC3CE4CB8FABE3ADF9C… |
| SMTP _25._tcp.xnlarsbrentzenbdb-dk0m3b.o-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 803F7447CC75B208DBCA042346F5D8DF… |
| SMTP _25._tcp.xnlarsbrentzenbdb-dk0m3b.o-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | C1AD7778796D20BCA65C889A26550211… |
| SMTP _25._tcp.xnlarsbrentzenbdb-dk0m3b.o-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 54883CC5F1849331E6BF5002C3129D20… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1-03.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-26 14:34:38 | 799ms | 4 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-08-25 10:53:17 | 808ms | 4 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-07-05 20:34:20 | 49568ms | 4 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-26 11:33:47 | 894ms | 4 NS 0 A 1 MX | 🔒 Secure | View |
| 2026-06-24 22:30:50 | 639ms | 4 NS 0 A 1 MX | ⚠️ Bogus | View |
| 2026-06-23 21:18:33 | 1137ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-22 04:46:36 | 456ms | 0 NS 0 A 0 MX | 🔒 Secure | View |
| 2026-06-17 21:42:28 | 883ms | 4 NS 0 A 1 MX | 🔒 Secure | View |