| 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=1708684374 |
| v=spf1 -all |
| Policy | Record (aarhusgymnasium.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.aarhusgymnasium.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 | |
|---|---|---|---|---|
| 2026-08-26 22:57:59 | 637ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-25 23:03:02 | 853ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-22 20:56:56 | 5186ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-21 20:54:06 | 26350ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-19 20:31:01 | 988ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-14 18:11:50 | 2036ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-10 09:43:46 | 3840ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-08-03 12:03:08 | 3616ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-27 22:33:01 | 570ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-21 18:16:26 | 6492ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-19 14:11:38 | 17560ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-16 19:42:17 | 2174ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-11 13:26:18 | 1350ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-05 18:11:20 | 886ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-03 11:24:19 | 574ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-07-01 08:53:30 | 477ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-26 10:29:31 | 501ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-24 18:32:13 | 1364ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-19 03:00:18 | 4350ms | 3 NS 2 A 0 MX | 🔒 Secure | View |
| 2026-06-16 12:47:48 | 603ms | 3 NS 2 A 0 MX | 🔒 Secure | View |