| 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 |
|---|---|---|---|---|---|---|---|
| 87.116.7.39 | 3600s | nhllin24.nhl-data.dk | AS31027 | GlobalConnect A/S | 87.116.0.0/18 | 🇩🇰 Denmark | Frederiksberg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 09tcxRfVANHdXzXKirPCvZa0V/tAa5/K/OEx16U1KjoNBje0plO5vEErB4l7ARnxSOXMc6PX7POArjXHreAh1Q== |
| MS=ms62526922 |
| v=spf1 include:spf.protection.outlook.com ip4:40.115.0.52 -all |
| Vordingborg Gymnasium |
| Policy | Record (vordingborg-gym.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com ip4:40.115.0.52 -all |
| Policy | Record (_dmarc.vordingborg-gym.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; pct=100; ruf=mailto:analyze@vordingborg-gym.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 | 2014092954 |
| 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 12:24:11 | 915ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-30 03:24:27 | 4279ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-28 00:37:24 | 1268ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-25 04:36:48 | 2224ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-24 03:54:27 | 12026ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-19 21:39:23 | 8425ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-18 21:20:55 | 9852ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-15 11:40:50 | 4634ms | 3 NS 1 A 0 MX | 🔒 Secure | View |
| 2026-08-14 02:46:43 | 27608ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-11 22:14:28 | 4592ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-10 17:35:13 | 5619ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-08 20:43:25 | 4182ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-03 22:48:59 | 2805ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-31 19:59:21 | 1799ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-27 06:41:12 | 2860ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-26 05:54:44 | 2664ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-25 05:29:01 | 5554ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-22 01:59:42 | 3899ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-17 04:16:34 | 10385ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-15 21:13:30 | 2558ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 15:25:22 | 5029ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-08 14:02:23 | 1631ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-05 00:29:47 | 5931ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-02 13:37:49 | 6987ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 23:51:34 | 755ms | 3 NS 1 A 1 MX | 🔒 Secure | View |