| 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 |
|---|---|---|---|---|---|---|---|
| 162.19.250.219 | 300s | edge1.netkant.eu | AS16276 | OVH SAS | 162.19.0.0/16 | 🇫🇷 France | — |
| 167.235.70.19 | 300s | edge3.netkant.eu | AS24940 | Hetzner Online GmbH | 167.235.0.0/16 | 🇩🇪 Germany | Nuremberg |
| 185.216.75.46 | 300s | edge2.netkant.eu | AS51167 | Contabo GmbH | 185.216.75.0/24 | 🇫🇷 France | Lauterbourg |
| 81.24.7.102 | 300s | — | AS25151 | Cyso Group B.V. | 81.24.0.0/21 | 🇳🇱 The Netherlands | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| cGb4pRf3/OJ3i8r0cmLUzPi7iGJvnCz4PCvl2TpH+1F8hgyCG3RIWNVVyguphuSu1HAitaftm5a2qK/Qcs8JcQ== |
| facebook-domain-verification=d8e8kbi1857m3ba2ptrhud20tbne8f |
| google-site-verification=HmJ1SW9__UGybbwyZ3ArKtKBrbPcRu83TBquffWQZXo |
| Kold College |
| MS=ms29093526 |
| v=spf1 a mx include:spf.protection.outlook.com include:_spf2.efif.dk include:mailmailmail.net include:emsd1.com ip4:40.68.78.49 -all |
| Policy | Record (koldcollege.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:spf.protection.outlook.com include:_spf2.efif.dk include:mailmailmail.net include:emsd1.com ip4:40.68.78.49 -all |
| Policy | Record (_dmarc.koldcollege.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@koldcollege.dk; rua=mailto:64e88d13a948b@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 | 2012062985 |
| 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 | |
|---|---|---|---|---|
| 2026-08-30 16:56:28 | 2249ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-08-29 05:05:12 | 1462ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-08-27 18:02:33 | 2420ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-08-24 23:05:41 | 3663ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-08-21 18:13:25 | 4101ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-08-19 17:29:11 | 7597ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-08-17 10:28:42 | 7207ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-08-12 18:57:30 | 6141ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-08-11 01:42:07 | 7752ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-08-07 18:36:36 | 2745ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-08-06 11:38:50 | 1862ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-31 07:35:18 | 17466ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-27 22:31:58 | 14468ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-26 21:49:54 | 2832ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-25 21:28:53 | 2714ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-22 15:44:52 | 2670ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-21 15:30:05 | 14353ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-18 23:49:21 | 2459ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-17 22:54:42 | 6470ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-16 17:01:27 | 1510ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-13 08:31:58 | 1855ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-10 02:46:23 | 1521ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-08 14:09:31 | 1363ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-05 20:55:30 | 3063ms | 3 NS 4 A 1 MX | 🔒 Secure | View |
| 2026-07-04 20:15:36 | 9359ms | 3 NS 4 A 1 MX | 🔒 Secure | View |