| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.superhighway.is | 64.234.217.51 | mail.superhighway.is | AS22275 Securenet Systems, Inc. |
| ns2.superhighway.is | 64.234.217.52 | ns2.superhighway.is | AS22275 Securenet Systems, Inc. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 64.234.217.51 | 3600s | mail.superhighway.is | AS22275 | Securenet Systems, Inc. | 64.234.192.0/19 | 🇺🇸 United States | Boca Raton |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.superhighway.is | 64.234.217.51 | mail.superhighway.is | AS22275 Securenet Systems, Inc. |
| TXT Record |
|---|
| v=spf1 ip4:64.234.217.51 ip4:64.234.217.52 -all |
| Policy | Record (skovex.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:64.234.217.51 ip4:64.234.217.52 -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 | 26 |
| Primary NS (MNAME) | ns1.superhighway.is |
| Responsible (RNAME) | hostmaster@superhighway.is |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |