kjaeronline.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by kjaeronline-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms39892328 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (kjaeronline.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | kjaeronline.sharepoint.com (all on sharepoint.com) |
| www vs bare domain | Only www resolves kjaeronline.dk: no address (all like this)www.kjaeronline.dk: 13.107.136.10 13.107.138.10 2620:1ec:8f8::10 2620:1ec:8fa::10 (AS8075) |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-kjaeronline-dk._domainkey.kjaeronline.onmicrosoft.com | RSA · ~1024 bit below 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2025013001 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-23 20:57:20 shown | 828ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-11 02:25:51 | 790ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-04 15:47:20 | 4196ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 09:28:21 | 728ms | 2 NS 0 A 1 MX | ⚠️ Bogus |
| 2026-06-23 11:15:40 | 1032ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-22 15:10:45 | 761ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-20 09:14:44 | 1162ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-19 23:05:08 | 833ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-18 07:46:09 | 1034ms | 2 NS 0 A 1 MX | 🔒 Secure |