| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.19.75 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.185.160 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 1 | 300s | mail.tutanota.de | 185.205.69.211 185.205.69.213 185.205.69.214 |
mail.w11.tutanota.de mail.w13.tutanota.de mail.w14.tutanota.de |
AS210909 Tutao GmbH AS210909 Tutao GmbH AS210909 Tutao GmbH |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.19.75,172.67.185.160 ech=AEX+DQBBGQAgACAPXO7Y1DOCev7PtFEuNgGpquqxccAADZv09nN/Da31IgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= |
| TXT Record |
|---|
| v=spf1 include:spf.tutanota.de -all |
| Policy | Record (mobilfodterapi.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.tutanota.de -all |
| Policy | Record (_dmarc.mobilfodterapi.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dcc200bd7ada436583cc3cb327e1a59e@dmarc-reports.cloudflare.net |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.mobilfodterapi.dk | 1F31ecjQe-RJ8g8s_yq8ye9jm6ql0mDuBzxCyDiqf4c |
| TXT | _acme-challenge.mobilfodterapi.dk | Yu2VasRxWH8hBkY5XRFWAaEuu6FmhE0BM_ietJFbPsE |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.tutanota.de | DANE-EE · Full cert · SHA-256 | D141F8F3A4AAC2E4D2677AAFCC723D8E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2413320157 |
| Primary NS (MNAME) | dora.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-28 02:02:12 | 598ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-27 01:55:12 | 805ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-25 02:11:00 | 661ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-07 03:16:19 | 1252ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-16 23:44:36 | 1613ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-07-04 14:33:13 | 1892ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-06-20 16:51:43 | 541ms | 2 NS 2 A 1 MX | ⚠️ Bogus | View |
| 2026-06-17 15:31:23 | 1008ms | 2 NS 2 A 1 MX | 🔒 Secure | View |