mmch.dk is a .dk domain served by 2 nameservers (gene.ns.cloudflare.com, seamus.ns.cloudflare.com). It was registered on 11 July 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.63.78.177 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.tutanota.de. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.63.78.177 | 60s | 87-63-78-177-static.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.62.0.0/15 | 🇩🇰 Denmark | Vanløse |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 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 |
| TXT Record |
|---|
| t-verify=b82777bda1cefdc1220e853f2fa8cd06 |
| v=spf1 include:spf.tutanota.de -all |
| Policy | Record (mmch.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.tutanota.de -all |
| Policy | Record (_dmarc.mmch.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 |
| www | 46.62.236.33 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.tutanota.de | RSA · ~2048 bit |
| s2 | s2.domainkey.tutanota.de | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: -all
No problems found| 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 | 2408401788 |
| Primary NS (MNAME) | gene.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Domeneshop AS |
| Registered | 2025-07-11 |
| Expires | 2027-07-10 (265d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 21:45:43 | 2365ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-09 14:31:01 | 2780ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-06 13:40:15 | 6510ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 12:11:08 | 950ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 12:00:14 | 1736ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-13 10:24:14 | 1921ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-30 13:13:40 | 3071ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 09:02:04 | 3366ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 14:42:15 | 1773ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-13 19:14:13 | 2555ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-12 13:24:11 | 8993ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-10 01:14:10 | 1853ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-07 16:25:40 | 1467ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-27 17:33:57 | 1302ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-16 21:26:14 | 2534ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-10 22:45:50 | 1373ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 12:07:36 shown | 9823ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 07:13:40 | 2099ms | 2 NS 1 A 1 MX | 🔓 Insecure |