| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.57.181.229 | 300s | 87-57-181-229-dynamic.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.57.0.0/16 | 🇩🇰 Denmark | Risskov |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 900s | 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 |
|---|---|---|---|---|---|---|---|
| 2a02:980:3930:1a00:3d16:99f4:1d3f:79ff | 300s | — | — | — | — | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| google-site-verification=gQxECgXhk7Pqk32UVSIWzzgazAE6OI3HWeqzwmCsQ7I |
| t-verify=47e32e2f9cea759e67c6929d1f333c41 |
| v=spf1 include:spf.tutanota.de -all |
| Policy | Record (tobalr.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.tutanota.de -all |
| Policy | Record (_dmarc.tobalr.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 |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.tutanota.de | DANE-EE · Full cert · SHA-256 | D141F8F3A4AAC2E4D2677AAFCC723D8E… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2413565822 |
| Primary NS (MNAME) | dell.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-31 06:22:49 | 923ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-28 22:06:38 | 1170ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-27 19:28:57 | 1691ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-16 23:24:43 | 3739ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-14 17:49:37 | 9215ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-11 15:07:56 | 3851ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-08-07 18:48:16 | 1710ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-20 16:48:12 | 9302ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-07-03 12:04:05 | 4333ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-30 21:15:24 | 1253ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-22 11:24:58 | 1179ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-19 18:08:27 | 819ms | 2 NS 1 A 1 MX | 🔓 Insecure | View |
| 2026-06-17 23:35:59 | 1154ms | 2 NS 1 A 1 MX | ⚠️ Bogus | View |