mamutex.dk is a .dk domain served by 5 nameservers (ns.gransy.com, ns2.gransy.com, ns3.gransy.com and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.78.104.3 is hosted by CASABLANCA INT a.s. (AS15685) in Czechia. Mail is handled by mail.mamutex.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 77.78.104.3 | 900s | yurika.gransy.com | AS15685 | CASABLANCA INT a.s. | 77.78.96.0/20 | 🇨🇿 Czechia | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mamutex.dk → 77.78.104.3 |
| 🔶 Autoconfig | mamutex.dk → 77.78.104.3 |
| TXT Record |
|---|
| v=spf1 a mx include:gransy.com |
| Policy | Record (mamutex.dk) |
|---|---|
| no all — incomplete SPF | v=spf1 a mx include:gransy.com |
| www CNAME | mamutex.dk (all on mamutex.dk) → 77.78.104.3 (AS15685) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 4 CDS, 0 CDNSKEY |
DNS lookups: 5/10 · policy: none
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.mamutex.dk | mamutex.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2757500842 |
| Primary NS (MNAME) | ns.gransy.com |
| Responsible (RNAME) | root@gransy.com |
| Refresh | 86400s |
| Retry | 900s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-08-26 06:05:18 | 2577ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-21 10:26:40 | 3966ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-09 03:19:12 | 11136ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-29 16:19:19 | 2892ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 17:01:42 | 4760ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 13:27:57 shown | 5376ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 01:06:39 | 1168ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 11:49:01 | 3778ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 03:52:29 | 3523ms | 5 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:16:20 | 6776ms | 0 NS 1 A 1 MX | 🔓 Insecure |