jkjaer.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 February 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.243.44.4 is hosted by GlobalConnect A/S (AS42525) in Denmark. Mail is handled by mail.jkjaer.dk. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.243.44.4 | 3600s | — | AS42525 | GlobalConnect A/S | 77.243.32.0/20 | 🇩🇰 Denmark | Viborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 5 | 3600s | mail.jkjaer.dk | 77.243.44.2 | mx1.8800.dk | AS42525 GlobalConnect A/S |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (jkjaer.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| www | 77.243.44.4 (AS42525) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
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 | fully validated |
| Field | Value |
|---|---|
| Serial | 2026092001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2003-02-03 |
| Expires | 2027-02-28 (128d) |
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 |
|---|---|
| bucketkat.dk | Punktum dk A/S (direct) |
| uptec.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 12:19:41 shown | 2888ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 07:42:00 | 551ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 02:54:06 | 846ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 00:52:27 | 730ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 07:43:12 | 785ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 04:27:20 | 4538ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-21 07:04:00 | 913ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 04:39:22 | 863ms | 2 NS 1 A 1 MX | 🔒 Secure |