osterport.dk is a .dk domain served by 2 nameservers (ns1.jetcom.dk, ns2.jetcom.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.171 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by barracuda.mariendal.dk, mail.adp.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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.jetcom.dk | 193.242.107.7 | ns1.jetcom.dk | AS31027 GlobalConnect A/S |
| ns2.jetcom.dk | 193.242.107.8 | ns2.jetcom.dk | AS31027 GlobalConnect A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.41.171 | — | prolinux3.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | — | barracuda.mariendal.dk | 193.242.107.19 | barracuda.mariendal.dk | AS31027 GlobalConnect A/S |
| 10 | — | mail.adp.dk | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.253.88 |
| 🔶 Autoconfig | 185.21.41.171 |
| TXT Record |
|---|
| MS=ms96921760 |
| v=spf1 include:spf.protection.outlook.com include:spf.eu.signature365.net include:_spf-cu.cdk-global.com -all |
| Policy | Record (osterport.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.eu.signature365.net include:_spf-cu.cdk-global.com -all |
| www | 185.21.41.171 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 9/10 · policy: -all
| 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 | 2026010903 |
| Primary NS (MNAME) | ns1.jetcom.dk |
| Responsible (RNAME) | admin@jetcom.dk |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 14400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 08:51:29 | 497ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 00:18:36 | 2724ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 22:25:23 shown | 3954ms | 2 NS 1 A 2 MX | 🔓 Insecure |