j-a-k.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.242.131.238 is hosted by Christian Ebsen ApS (AS62121) in Denmark. Mail is handled by jak-dk0k.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 195.242.131.238 | 3600s | forward01.dns.services | AS62121 | Christian Ebsen ApS | 195.242.130.0/23 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:67c:564:fffa::1002 | 3600s | — | AS62121 | Christian Ebsen ApS | 2001:67c:564:0:0:0:0:0/48 | 🇩🇰 Denmark | — |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 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 | 2026082505 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| 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 shown | 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 | 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 |