| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.104.83.196 | 3600s | 87.104.83.196.static.dhcp.aura-net.dk | AS204274 | AURA Fiber A/S | 87.104.64.0/18 | 🇩🇰 Denmark | Odder |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.voldbyholt.dk | 87.104.83.196 | 87.104.83.196.static.dhcp.aura-net.dk | AS204274 AURA Fiber A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | voldbyholt.dk → 87.104.83.196 |
| 🔶 Autoconfig | voldbyholt.dk → 87.104.83.196 |
| TXT Record |
|---|
| v=spf1 mx a ip4:87.104.83.196/32 -all |
| Policy | Record (voldbyholt.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a ip4:87.104.83.196/32 -all |
| Policy | Record (_dmarc.voldbyholt.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; fo=1; rua=mailto:dmarc@voldbyholt.dk; ruf=mailto:dmarc@voldbyholt.dk |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.voldbyholt.dk | voldbyholt.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025040804 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |