mmx.dk is a .dk domain served by 2 nameservers (opal.ns.cloudflare.com, vicente.ns.cloudflare.com). It was registered on 25 April 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.210.59.156 is hosted by Din Server Group ApS (AS215052) in Denmark. Mail is handled by mmx-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 91.210.59.156 | 60s | matrix.rxtx.dk | AS215052 | Din Server Group ApS | 91.210.58.0/23 | 🇩🇰 Denmark | Albertslund |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a12:bec4:11d3:9ccc::1 | 60s | matrix.rxtx.dk | AS215052 | Din Server Group ApS | 2a12:bec4:11d0:0:0:0:0:0/46 | 🇩🇰 Denmark | Albertslund |
| TXT Record |
|---|
| MS=ms27300419 |
| v=spf1 include:spf.protection.outlook.com ip4:91.210.59.156 -all |
| Policy | Record (mmx.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com ip4:91.210.59.156 -all |
| Policy | Record (_dmarc.mmx.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:329bc5577b7743e5a4b4a3ccb258fc7e@dmarc-reports.cloudflare.net |
| Flags | Tag | Value |
|---|---|---|
| 0 | iodef | mailto:mikael@mmx.dk |
| 0 | issue | comodoca.com |
| 0 | issue | digicert.com; cansignhttpexchanges=yes |
| 0 | issue | letsencrypt.org |
| 0 | issue | pki.goog; cansignhttpexchanges=yes |
| 0 | issue | ssl.com |
| 0 | issuewild | comodoca.com |
| 0 | issuewild | digicert.com; cansignhttpexchanges=yes |
| 0 | issuewild | letsencrypt.org |
| 0 | issuewild | pki.goog; cansignhttpexchanges=yes |
| 0 | issuewild | ssl.com |
| www CNAME | mmx.dk (all on mmx.dk) |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-mmx-dk._domainkey.rxtxdk.r-v1.dkim.mail.microsoft | 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| 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 | 2415344628 |
| Primary NS (MNAME) | opal.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2012-04-25 |
| Expires | 2028-04-30 (561d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 23:42:16 shown | 1327ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-21 11:48:25 | 1856ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-19 14:51:05 | 1385ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-31 23:40:09 | 1467ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 11:23:34 | 1392ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-22 02:46:16 | 1945ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-07-06 13:28:25 | 4872ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 06:48:40 | 2354ms | 2 NS 1 A 1 MX | 🔓 Insecure |