| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 165.160.13.20 | 21600s | — | AS19574 | Corporation Service Company | 165.160.12.0/22 | 🇺🇸 United States | — |
| 165.160.15.20 | 21600s | — | AS19574 | Corporation Service Company | 165.160.12.0/22 | 🇺🇸 United States | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 21600s | custmx.cscdns.net | 198.58.121.58 | 198-58-121-58.ip.linodeusercontent.com | AS63949 Akamai Connected Cloud |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (thebigdotbang.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.thebigdotbang.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;fo=1 |
| 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 | 2018091208 |
| Primary NS (MNAME) | dns1.cscdns.net |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 10800s |
| Retry | 1800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 21600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 15:14:53 | 758ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-28 01:29:56 | 645ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-23 22:37:08 | 4230ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-23 12:13:47 | 973ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-22 20:55:19 | 1165ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 06:13:51 | 901ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 19:45:17 | 981ms | 2 NS 2 A 1 MX | 🔓 Insecure | View |