becker-christensen.dk is a .dk domain served by 4 nameservers (nsa1.schlundtech.de, nsb1.schlundtech.de, nsc1.schlundtech.de and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 31.209.188.28 is hosted by Stadtwerke Flensburg GmbH (AS56737) in Germany. Mail is handled by gate.fla.de. The zone is not DNSSEC-signed, publishes a 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 31.209.188.28 | 600s | mailgate.ht-support.de | AS56737 | Stadtwerke Flensburg GmbH | 31.209.184.0/21 | 🇩🇪 Germany | Flensburg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | gate.fla.de | 31.209.187.34 | gate.fla.de | AS56737 Stadtwerke Flensburg GmbH |
| TXT Record |
|---|
| v=spf1 mx ip4:31.17.176.170 ip4:31.209.187.35 a:gate.fla.de a:gate.flensborg-avis.de a:gate.fla.de a:kopano.ht-support.de a:mail.ht-support.net -all |
| Policy | Record (becker-christensen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip4:31.17.176.170 ip4:31.209.187.35 a:gate.fla.de a:gate.flensborg-avis.de a:gate.fla.de a:kopano.ht-support.de a:mail.ht-support.net -all |
| Policy | Record (_dmarc.becker-christensen.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:dmarc@ht-support.net; ruf=mailto:dmarc@ht-support.net; fo=0:1 |
| www | 31.209.188.28 (AS56737) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 6/10 · 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 | 2020083002 |
| Primary NS (MNAME) | nsa1.schlundtech.de |
| Responsible (RNAME) | jhansen@ht-support.de |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 14:09:19 shown | 909ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-07 21:42:17 | 1074ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 19:02:45 | 831ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-26 10:46:33 | 10100ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-04 20:30:57 | 12533ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-29 16:40:15 | 1027ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 23:28:45 | 1222ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 14:36:12 | 1003ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 06:05:11 | 1167ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 14:14:18 | 617ms | 4 NS 1 A 1 MX | 🔓 Insecure |