j-a-k.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.191 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by jak-dk0k.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.191 | 3600s | webcluster2.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.8 |
| 🔶 Autoconfig | j-a-k.dk → 77.111.240.191 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| h913bnTaXkHkzy0M3829ji/WkAyo1ACGzBjHqjvj9GaB14mv5476jvxPYDo6z+Qt7M17/TTn5Q3spaLpHwY/Tw== |
| v=spf1 include:_spf.emply.com include:spf.protection.outlook.com -all |
| Policy | Record (j-a-k.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.emply.com include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.j-a-k.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:DMARCReports@j-a-k.dk; ruf=mailto:DMARCReports@j-a-k.dk |
| www | Address record (no CNAME) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-jak-dk0k._domainkey.ndiglobal.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-jak-dk0k._domainkey.ndiglobal.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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026043001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 09:35:43 | 1133ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 15:03:28 | 2526ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-26 22:29:40 | 899ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 10:04:00 | 1757ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-20 06:25:49 shown | 5811ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 12:54:42 | 1110ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 01:45:10 | 946ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 21:14:38 | 1842ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 10:01:55 | 984ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 07:19:04 | 1140ms | 2 NS 1 A 1 MX | 🔒 Secure |