| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 54.228.237.236 | 3600s | ec2-54-228-237-236.eu-west-1.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 54.228.0.0/14 | 🇮🇪 Ireland | Dublin |
| TXT Record |
|---|
| v=spf1 include:aspmx.googlemail.com -all |
| Policy | Record (heinrichson.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:aspmx.googlemail.com -all |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-28 10:52:23 | 979ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-08-20 10:06:26 | 3572ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-07-23 01:57:41 | 5364ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-07-21 19:29:13 | 3254ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-07-12 20:04:51 | 7360ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-06-21 11:11:19 | 1388ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-06-20 21:11:44 | 1090ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 00:26:46 | 672ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-06-17 11:15:39 | 1186ms | 2 NS 1 A 7 MX | 🔒 Secure | View |
| 2026-06-17 11:11:14 | 1162ms | 2 NS 1 A 7 MX | 🔒 Secure | View |