| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.halden.org | 217.171.199.98 | ns1.halden.org | AS201577 Monsternett AS |
| ns2.monsternett.no | 217.171.192.15 | exchange.monsternett.no | AS201577 Monsternett AS |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 217.171.199.100 | 10800s | oi-web.ostfold.net | AS201577 | Monsternett AS | 217.171.192.0/20 | 🇳🇴 Norway | Halden |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mail.nesco.dk | 217.171.199.99 | mail.mekke.no | AS201577 Monsternett AS |
| TXT Record |
|---|
| v=spf1 include:spf.mekke.no -all |
| Policy | Record (nesco.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.mekke.no -all |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2025052601 |
| Primary NS (MNAME) | ns1.halden.org |
| Responsible (RNAME) | hostmaster@halden.org |
| Refresh | 7200s |
| Retry | 600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 10800s |