jakobsen-blindkilde.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was registered on 14 April 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 165.160.13.20 is hosted by Corporation Service Company (AS19574) in United States. Mail is handled by jakobsenblindkilde-dk02b.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 this 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 |
|---|---|---|---|---|---|---|---|
| 165.160.13.20 | 21600s | — | AS19574 | Corporation Service Company | 165.160.12.0/22 | 🇺🇸 United States | — |
| 165.160.15.20 | 21600s | — | AS19574 | Corporation Service Company | 165.160.12.0/22 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | 165.160.15.20 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms57513189 |
| v=spf1 include:spf.wm.net ip4:168.245.29.1 include:spf.protection.outlook.com -all |
| Policy | Record (jakobsen-blindkilde.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.wm.net ip4:168.245.29.1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.jakobsen-blindkilde.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:dmarcreport@ncconline.onmicrosoft.com; |
| www | 165.160.13.20 165.160.15.20 (AS19574) (address records, no CNAME) |
| www vs bare domain | Same network jakobsen-blindkilde.dk: 165.160.13.20 165.160.15.20 (AS19574) www.jakobsen-blindkilde.dk: 165.160.13.20 165.160.15.20 (AS19574) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u8229120.wl121.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u8229120.wl121.sendgrid.net | RSA · ~1024 bit below 2048 bit |
| selector1 | selector1-jakobsenblindkilde-dk02b._domainkey.ncconline.onmicrosoft.com | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 2/10 · 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 | 2018081911 |
| Primary NS (MNAME) | dns1.cscdns.net |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 10800s |
| Retry | 1800s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 21600s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 1999-04-14 |
| Expires | 2027-06-30 (245d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 23:41:10 | 727ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 21:02:40 | 1164ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 21:07:16 shown | 1593ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 15:49:52 | 11216ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 20:36:19 | 1238ms | 2 NS 2 A 1 MX | 🔓 Insecure |