| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 51.116.145.36 | 60s | — | AS8075 | Microsoft Corporation | 51.116.0.0/16 | 🇩🇪 Germany | Frankfurt am Main |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 1800s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (opalescence.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.opalescence.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject |
| 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 | 2009010119 |
| Primary NS (MNAME) | ns20.digicertdns.com |
| Responsible (RNAME) | dns@digicertdns.com |
| Refresh | 43200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 180s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-07-03 04:10:46 | 9942ms | 6 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 13:52:06 | 920ms | 6 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-25 09:41:51 | 896ms | 6 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-20 02:07:48 | 1372ms | 6 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-18 03:30:25 | 623ms | 6 NS 1 A 0 MX | 🔓 Insecure | View |