| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.businessinstitute-executivemba.dk | 13.51.57.41 | mail.businessinstitute-executivemba.dk | AS16509 Amazon.com, Inc. |
| TXT Record |
|---|
| v=spf1 a mx ip4:13.51.57.41 ~all |
| Policy | Record (businessinstitute-executivemba.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:13.51.57.41 ~all |
| Policy | Record (_dmarc.businessinstitute-executivemba.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2413583536 |
| Primary NS (MNAME) | igor.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-09-03 12:14:52 | 529ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-08-29 07:11:16 | 579ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-08-27 18:12:43 | 2584ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-07-07 01:05:46 | 998ms | 2 NS 0 A 1 MX | 🔓 Insecure | View |
| 2026-07-01 08:32:49 | 3259ms | 2 NS 0 A 0 MX | 🔓 Insecure | View |