| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 93.160.30.86 | 3600s | anon.cephalopo.net | AS3292 | TDC Holding A/S | 93.160.0.0/14 | 🇩🇰 Denmark | Frederiksberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | anon.cephalopo.net | 93.160.30.86 | anon.cephalopo.net | AS3292 TDC Holding A/S |
| 15 | 86400s | sat1.cephalopo.net | 2a03:6000:6f70:631::234 46.23.91.234 |
sat1.cephalopo.net sat1.cephalopo.net |
AS60131 High5! B.V. AS60131 High5! B.V. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 93.160.30.86 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a03:6000:6f70:631::234 | 3600s | sat1.cephalopo.net | AS60131 | High5! B.V. | 2a03:6000:0:0:0:0:0:0/29 | 🇳🇱 The Netherlands | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 80 | autodiscover.gotu.dk |
| _autodiscover._tcp | 0 | 0 | 443 | autodiscover.gotu.dk |
| _imap._tcp | 0 | 0 | 143 | mail.gotu.dk |
| _imaps._tcp | 0 | 0 | 993 | mail.gotu.dk |
| TXT Record |
|---|
| v=spf1 mx ~all |
| Policy | Record (gotu.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx ~all |
| Policy | Record (_dmarc.gotu.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc-aggregate@cephalopo.net,mailto:dmarc@1tyz69qz.uriports.com; ruf=mailto:dmarc-forensic@cephalopo.net,mailto:dmarc@1tyz69qz.uriports.com; sp=reject; adkim=r; aspf=r; fo=1 |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20260607091500 |
| max_age | 86400s |
| Policy MX | anon.cephalopo.net, sat1.cephalopo.net |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:tlsrpt@cephalopo.net,mailto:tlsrpt@1tyz69qz.uriports.com |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:security@gotu.dk |
| 0 | issue | letsencrypt.org |
| 0 | issue | sectigo.com |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.anon.cephalopo.net | DANE-EE · SPKI · SHA-256 | C466C70B2FEABFD8105D867B1A1B5C82… |
| SMTP _25._tcp.anon.cephalopo.net | DANE-EE · SPKI · SHA-256 | 5F3C288966872325E881F3CFC7129E3F… |
| HTTPS _443._tcp.gotu.dk | DANE-EE · SPKI · SHA-256 | C466C70B2FEABFD8105D867B1A1B5C82… |
| HTTPS _443._tcp.gotu.dk | DANE-EE · SPKI · SHA-256 | 1789EC4AC7B0BA8866317EE070B8646D… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082404 |
| Primary NS (MNAME) | ns101.cloudns.net |
| Responsible (RNAME) | admin@cephalopo.net |
| Refresh | 7200s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-24 11:32:05 | 5552ms | 4 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-13 05:44:15 | 11677ms | 4 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-24 04:35:34 | 6722ms | 4 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-07 03:27:13 | 19911ms | 4 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-05 00:14:23 | 2364ms | 4 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-03 13:14:47 | 9569ms | 4 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-26 04:31:45 | 10246ms | 4 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-24 05:08:04 | 1563ms | 4 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-21 11:54:35 | 922ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-21 04:04:59 | 6780ms | 4 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-17 09:22:34 | 1706ms | 4 NS 1 A 2 MX | 🔒 Secure | View |