747.dk is a .dk domain served by 3 nameservers (ns1.meganameservers.eu, ns2.meganameservers.eu, ns3.meganameservers.eu). It was registered on 21 June 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 45.51.65.155 is hosted by Charter Communications Inc (AS20001) in United States. Mail is handled by mx1c51.megamailservers.com, mx2c51.megamailservers.eu and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 45.51.65.155 | 300s | syn-045-051-065-155.res.spectrum.com | AS20001 | Charter Communications Inc | 45.51.64.0/19 | 🇺🇸 United States | Chino |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1c51.megamailservers.com | 91.136.8.162 | mx1c51.megamailservers.eu | AS9115 Hostpapa UK Ltd. |
| 100 | 300s | mx2c51.megamailservers.eu | 91.136.8.163 | mx2c51.megamailservers.eu | AS9115 Hostpapa UK Ltd. |
| 110 | 300s | mx3c51.megamailservers.com | 91.136.8.164 | mx3c51.megamailservers.eu | AS9115 Hostpapa UK Ltd. |
| TXT Record |
|---|
| v=spf1 mx include:spfc51.megamailservers.eu ~all |
| Policy | Record (747.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx include:spfc51.megamailservers.eu ~all |
| www | 45.51.65.155 (AS20001) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · 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 | 2026090320 |
| Primary NS (MNAME) | ns1.meganameservers.eu |
| Responsible (RNAME) | postmaster@meganameservers.eu |
| Refresh | 86400s |
| Retry | 300s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA |
| Registered | 2000-06-21 |
| Expires | 2027-06-30 (255d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 06:24:13 | 1463ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-23 16:01:15 shown | 10151ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-07 11:30:33 | 3104ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-02 06:14:19 | 3103ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-23 22:52:08 | 1552ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 13:00:25 | 2048ms | 3 NS 1 A 3 MX | 🔓 Insecure |