3flex.dk is a .dk domain served by 3 nameservers (ns2.observatoiredesmarques.fr, ns3.nameshield.net, obs.ns1.fr). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx3.nameshield.com, mx4.nameshield.net. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 43200s | mx3.nameshield.com | 81.92.84.191 | mx3.perf1.com | AS20756 Nameshield SAS |
| 10 | 43200s | mx4.nameshield.net | 81.92.81.40 | mx4.nameshield.net | AS20756 Nameshield SAS |
| TXT Record |
|---|
| v=spf1 include:_spf.boehringer-ingelheim.com -all |
| Policy | Record (3flex.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.boehringer-ingelheim.com -all |
| www CNAME | saspresence.perf1.com (all on perf1.com) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2023012313 |
| Primary NS (MNAME) | obs.ns1.fr |
| Responsible (RNAME) | technical@nameshield.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 7200s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-23 23:08:28 shown | 758ms | 3 NS 0 A 2 MX | 🔓 Insecure |
| 2026-08-25 22:22:32 | 9558ms | 3 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-20 06:56:42 | 5356ms | 3 NS 0 A 2 MX | 🔓 Insecure |
| 2026-06-16 12:51:29 | 1363ms | 3 NS 0 A 2 MX | 🔓 Insecure |