| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.12 | 3600s | prolinux100.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | 185.21.40.12 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 100 | 443 | outlook.office365.com |
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| 9td7g52u1lm5usqinfpkc987km |
| f1nfov7oaf7r8u51an9oodtpg8 |
| hjSM0CeiKpH1B0OWCTkoxaPr5WuwJihSto5Gy7bh8gpNnged5s05Rj7ZuNY8PtPYOeO/PDcUdvfVUy3NRgs2yw== |
| inst=Tornbjerg Gymnasium |
| iqgnsl2mu0j8r9mm1k1nl6t42v |
| v=spf1 ip4:87.48.163.29 include:spf.protection.outlook.com include:spf.curanet.dk -all |
| Policy | Record (tornbjerg-gym.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:87.48.163.29 include:spf.protection.outlook.com include:spf.curanet.dk -all |
| Policy | Record (_dmarc.tornbjerg-gym.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email,mailto:dmarc@itcfyn.dk; |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026041501 |
| 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 | |
|---|---|---|---|---|
| 2026-07-02 12:46:37 | 9652ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 11:49:01 | 1439ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-20 19:28:31 | 1181ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 01:16:01 | 700ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-19 00:36:31 | 791ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 06:46:41 | 1414ms | 2 NS 1 A 1 MX | 🔒 Secure | View |