| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 3600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 1 | 3600s | smtp.google.com | 142.251.127.26 142.251.127.27 2a00:1450:4001:c21::1a 2a00:1450:4001:c21::1b |
lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net lcfrai-in-f26.1e100.net lcfrai-in-f27.1e100.net |
AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC |
| 32767 | 3600s | ms21432825.msv1.invalid | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 195.47.247.18 |
| 🔶 Autoconfig | 195.47.247.18 |
| TXT Record |
|---|
| google-site-verification=pl1QXN690zufSfYzxRQcOD3vvTYxbpe_t-1No6mQd2k |
| gv-34v7b2kxkdawdn.dv.googlehosted.com |
| MS=ms21432825 |
| v=spf1 -all |
| Policy | Record (gefion-gymnasium.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.gefion-gymnasium.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; aspf=s; adkim=s; |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081401 |
| 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 | |
|---|---|---|---|---|
| 2026-08-15 04:38:59 | 3872ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-12 18:22:23 | 2632ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-15 23:43:04 | 1446ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-25 21:45:21 | 1618ms | 2 NS 1 A 2 MX | 🔓 Insecure | View |
| 2026-06-20 05:12:33 | 610ms | 2 NS 1 A 2 MX | ⚠️ Bogus | View |
| 2026-06-17 09:21:45 | 877ms | 2 NS 1 A 2 MX | 🔒 Secure | View |