| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.55.100.171 | 600s | 87-55-100-171-cable.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Struer Municipality |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.flydrone.dk | 87.55.100.171 | 87-55-100-171-cable.dk.customer.tdc.net | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | flydrone.dk → 87.55.100.171 |
| 🔶 Autoconfig | flydrone.dk → 87.55.100.171 |
| TXT Record |
|---|
| v=spf1 a mx a:flydrone.dk ip4:87.55.100.171 ptr:flydrone.dk |
| Policy | Record (flydrone.dk) |
|---|---|
| no all — incomplete SPF | v=spf1 a mx a:flydrone.dk ip4:87.55.100.171 ptr:flydrone.dk |
| Policy | Record (_dmarc.flydrone.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; pct=100; ruf=mailto:postmaster@voresitafdeling.dk; rua=mailto:postmaster@voresitafdeling.dk |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.flydrone.dk | flydrone.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 |