5762.dk is a .dk domain served by 2 nameservers (ns1.messagingengine.com, ns2.messagingengine.com). It was registered on 24 November 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 103.168.172.37 is hosted by Fastmail Pty Ltd (AS151847) in United States. Mail is handled by eu1-smtp.messagingengine.com, eu2-smtp.messagingengine.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.messagingengine.com | 162.159.24.178 | ns1.messagingengine.com | AS13335 Cloudflare, Inc. |
| ns2.messagingengine.com | 162.159.25.191 | ns2.messagingengine.com | AS13335 Cloudflare, Inc. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 103.168.172.37 | 3600s | www.messagingengine.com | AS151847 | Fastmail Pty Ltd | 103.168.172.0/24 | 🇺🇸 United States | Philadelphia |
| 103.168.172.52 | 3600s | www.messagingengine.com | AS151847 | Fastmail Pty Ltd | 103.168.172.0/24 | 🇺🇸 United States | Philadelphia |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 103.168.172.52 |
| 🔶 Autoconfig | 103.168.172.52 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 1 | 443 | autodiscover.fastmail.com |
| _imaps._tcp | 0 | 1 | 993 | imap.fastmail.com |
| TXT Record |
|---|
| v=spf1 include:spf.messagingengine.com ~all |
| Policy | Record (5762.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:spf.messagingengine.com ~all |
| Policy | Record (_dmarc.5762.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | 103.168.172.37 103.168.172.52 (AS151847) (address records, no CNAME) |
| www vs bare domain | Same network 5762.dk: 103.168.172.37 103.168.172.52 (AS151847) www.5762.dk: 103.168.172.37 103.168.172.52 (AS151847) |
| Wildcard | Yes: any name under the zone resolves |
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 | 2026091200 |
| Primary NS (MNAME) | ns1.messagingengine.com |
| Responsible (RNAME) | postmaster@messagingengine.com |
| Refresh | 86334s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2023-11-24 |
| Expires | 2026-11-23 (37d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 19:27:59 | 4060ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-12 17:50:57 | 2491ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-10 12:15:29 | 3256ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-20 19:28:47 | 2039ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-13 16:48:31 shown | 2707ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-06 13:22:56 | 10043ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 02:30:33 | 2684ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-16 14:54:59 | 6871ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-12 08:46:45 | 10790ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-07 09:44:00 | 3396ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-20 04:15:54 | 25932ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-17 23:15:22 | 1252ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-12 07:24:04 | 1498ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-07 04:37:36 | 9366ms | 3 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-16 12:50:06 | 2153ms | 3 NS 0 A 2 MX | 🔒 Secure |