jakobsenco.dk is a .dk domain served by 4 nameservers (ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and 1 more). It was registered on 3 December 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.164 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by jakobsenco-dk.mail.protection.outlook.com. 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.164 | 3600s | prolinux1.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| brevo-code:8e7e0421c6b9559eece790fa1af9dbea |
| mscid=jP22BRW7qcWlo8Yi5eSK03imz7aCoSrZZSVHEcACmhyKYdfE6/aUL7jf+Di8yLoaYaAFFwddkRDDU4aL/LWQjA== |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (jakobsenco.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.jakobsenco.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com |
| www | 185.21.40.164 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 | unsigned answer |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1.bdm.microsoftonline.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-12-03 |
| Expires | 2027-12-31 (439d) |
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).
| Domain | Registrar |
|---|---|
| cafeviggo.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 14:12:56 shown | 1333ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 06:50:07 | 803ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 09:47:28 | 1009ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 18:15:12 | 1152ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 23:43:32 | 1275ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 23:33:31 | 878ms | 4 NS 1 A 1 MX | 🔓 Insecure |