| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.221.253.104 | 3533s | — | AS42876 | Unit IT Services ApS | 77.221.224.0/19 | 🇩🇰 Denmark | Taastrup |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| 🔶 Autoconfig | 77.221.253.104 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com ip4:77.221.253.104 -all |
| Policy | Record (peterpetersen.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com ip4:77.221.253.104 -all |
| Policy | Record (_dmarc.peterpetersen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; pct=100 |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2025082223 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-03 09:40:46 | 4695ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-09-02 11:47:38 | 734ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-25 23:48:53 | 4613ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-02 10:15:52 | 931ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 08:41:16 | 19996ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 08:17:01 | 15297ms | 3 NS 1 A 1 MX | 🔓 Insecure | View |