| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.195.172.91 | 3600s | — | AS42686 | Blue IT Aps | 185.195.172.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx4.blueit.dk | 185.195.172.77 2a0a:5d40:0:2::10 |
— — |
AS42686 Blue IT Aps AS42686 Blue IT Aps |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mx4.blueit.dk → 185.195.172.77 |
| 🔶 Autoconfig | mx4.blueit.dk → 185.195.172.77 |
| TXT Record |
|---|
| v=spf1 mx a -all |
| Policy | Record (spurado.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a -all |
| Policy | Record (_dmarc.spurado.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc-reports@blueit.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026032401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |