| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.efif.dk | 195.254.168.23 | ns.efif.dk | AS51073 Aarhus Business College |
| ns2.efif.dk | 195.254.168.12 | ns2.efif.dk | AS51073 Aarhus Business College |
| ns3.efif.dk | 20.23.170.35 | — | AS8075 Microsoft Corporation |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 162.159.140.127 | 300s | — | AS13335 | Cloudflare, Inc. | 162.159.128.0/19 | 🇺🇸 United States | — |
| 172.66.0.125 | 300s | — | AS13335 | Cloudflare, Inc. | 172.66.0.0/22 | 🇺🇸 United States | — |
| TXT Record |
|---|
| SOA=1708684679 |
| v=spf1 -all |
| Policy | Record (århus-gymnasium.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.århus-gymnasium.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:62b3331b5a414@dmarc.centerasecurity.com; |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2024092228 |
| Primary NS (MNAME) | ns.efif.dk |
| Responsible (RNAME) | dns-zc@efif.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-31 14:10:34 | 454ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-26 07:14:22 | 2123ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-22 16:40:18 | 4652ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-19 15:29:14 | 10125ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-17 13:53:28 | 4636ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-16 04:16:04 | 3319ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-07 20:04:40 | 2646ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-06 00:35:36 | 2586ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-27 09:11:35 | 2273ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-22 04:27:54 | 2267ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-19 22:35:27 | 2134ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-17 15:12:18 | 16483ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-10 20:02:35 | 777ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-07 04:07:57 | 2523ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-03 11:52:23 | 676ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-29 01:42:44 | 519ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-24 03:08:33 | 2822ms | 3 NS 2 A 0 MX | ⚠️ Bogus | View |
| 2026-06-19 17:12:46 | 331ms | 0 NS 0 A 0 MX | 🔒 Secure | View |
| 2026-06-18 15:01:49 | 4741ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-17 14:43:59 | 784ms | 3 NS 2 A 0 MX | 🔒 Secure | View |