| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 76.76.21.21 | 300s | — | AS16509 | Amazon.com, Inc. | 76.76.21.0/24 | 🇺🇸 United States | Walnut |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| MS=ms42293636 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (ulstrupgravsten.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.ulstrupgravsten.dk | SlqZWpEwg2YPKiE7h5__j3vwHgUCYw0QLOiO8GPgZXY |
| TXT | _acme-challenge.ulstrupgravsten.dk | Wlu_QL4QGw6xQtSxrpS3CFxLVcijnk0FDUmgBfnCY_E |
| 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 | 2413606622 |
| Primary NS (MNAME) | major.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-31 08:20:58 | 1127ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-26 16:56:56 | 630ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-22 12:45:47 | 2122ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-09 07:32:50 | 9277ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-21 11:18:14 | 1058ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-21 08:27:16 | 1183ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-17 15:25:29 | 1122ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |