| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.43.50 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.220.12 | 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 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:dc0c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:2b32 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.43.50,172.67.220.12 ech=AEX+DQBBcwAgACCn/m3LD6MOliaQPm+jB7t8exP6qD3dVyt6ZDX1MabXdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:dc0c,2606:4700:3036::6815:2b32 |
| TXT Record |
|---|
| atlassian-domain-verification=PtYn/17plceSiUpf34W99juSuUS/A9xFpoiUDBN7cbzUQQ90VZzCJ25I01THYIn2 |
| google-site-verification=dYC__RJzOdMrHHVJslBVg0Ev0fpdedHn-aHWMtP583g |
| t-verify=e18e518faa74aec33ca88ac1ded72126 |
| v=spf1 include:spf.tutanota.de -all |
| Policy | Record (stickleback.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.tutanota.de -all |
| Policy | Record (_dmarc.stickleback.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=s |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | 20190723 |
| max_age | 86400s |
| Policy MX | mail.tutanota.de |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.stickleback.dk | Iza-7l3zbFgO11W4vmdAJ47Xb4tcg3IUzHk5z-DbvCk |
| 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 | 2413286432 |
| Primary NS (MNAME) | jonah.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 05:15:34 | 964ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-27 04:41:50 | 1029ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-16 08:07:39 | 2995ms | 2 NS 2 A 1 MX | 🔒 Secure | View |
| 2026-08-07 05:22:01 | 2172ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-07-29 22:14:55 | 10947ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-07-12 13:37:42 | 9261ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-06-21 10:25:52 | 753ms | 2 NS 2 A 5 MX | 🔒 Secure | View |
| 2026-06-18 05:17:43 | 967ms | 2 NS 2 A 5 MX | 🔒 Secure | View |