| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 206.18.166.7 | 900s | — | AS7018 | AT&T Enterprises, LLC | 206.18.160.0/19 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 20 | 900s | sungardmta-1.messageone.com | — | — | — |
| 20 | 900s | sungardmta-2.messageone.com | — | — | — |
| 20 | 900s | sungardmta-3.messageone.com | — | — | — |
| TXT Record |
|---|
| v=spf1 ip4:63.240.84.0/24 ip4:206.18.166.0/23 a:mailbox.hq.audible.com include:delivery.net ip4:64.238.193.17 ip4:64.238.193.18 ip4:64.238.193.19 64.238.193.20 ip4:216.203.33.178 ip4:216.203.33.179 ~all |
| Policy | Record (audible.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:63.240.84.0/24 ip4:206.18.166.0/23 a:mailbox.hq.audible.com include:delivery.net ip4:64.238.193.17 ip4:64.238.193.18 ip4:64.238.193.19 64.238.193.20 ip4:216.203.33.178 ip4:216.203.33.179 ~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 | 2009091022 |
| Primary NS (MNAME) | dns-external-master.amazon.com |
| Responsible (RNAME) | postmaster@audible.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 900s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-26 17:26:41 | 5262ms | 6 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-08-22 15:02:42 | 19300ms | 6 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-07-03 00:43:36 | 6798ms | 6 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-06-27 17:40:11 | 4699ms | 6 NS 1 A 3 MX | 🔓 Insecure | View |
| 2026-06-16 13:49:09 | 4625ms | 6 NS 1 A 3 MX | 🔓 Insecure | View |