jonaker.dk is a .dk domain served by 3 nameservers (ns1.bistruphave.dk, ns2.bistruphave.dk, ns3.bistruphave.dk). It was registered on 19 May 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.104.242.245 is hosted by EWII Bredbaand A/S (AS204151) in Denmark. Mail is handled by mail.jonaker.dk. 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 |
|---|---|---|---|---|---|---|---|
| 87.104.242.245 | 86400s | bistruphave.dk | AS204151 | EWII Bredbaand A/S | 87.104.240.0/20 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail.jonaker.dk | 127.0.0.1 | localhost | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (jonaker.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.jonaker.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:postmaster@bistruphave.dk |
| www CNAME | bistruphave.dk (all on bistruphave.dk) |
| www vs bare domain | Same network jonaker.dk: 87.104.242.245 (AS204151) www.jonaker.dk: 87.104.242.245 2a06:4000:8018:2::4444 (AS204151) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | delv transient; dig AD confirmed |
| Field | Value |
|---|---|
| Serial | 2025110841 |
| Primary NS (MNAME) | ns1.bistruphave.dk |
| Responsible (RNAME) | hostmaster@bistruphave.dk |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-05-19 |
| Expires | 2036-05-31 (3514d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 00:07:32 | 3534ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 05:20:49 | 1098ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-24 15:55:01 | 3630ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-22 07:35:25 | 1466ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-21 07:16:32 | 1870ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-18 22:51:26 shown | 2719ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 05:26:09 | 849ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-27 15:39:37 | 2548ms | 1 NS 1 A 0 MX | ❓ Unknown |
| 2026-07-26 15:14:47 | 12402ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-25 15:04:44 | 4229ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-24 14:54:12 | 6110ms | 1 NS 1 A 0 MX | ❓ Unknown |
| 2026-07-23 10:28:23 | 2544ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-22 01:41:31 | 1299ms | 1 NS 1 A 0 MX | ❓ Unknown |
| 2026-07-21 01:08:23 | 871ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-20 00:48:30 | 10338ms | 1 NS 1 A 0 MX | ❓ Unknown |
| 2026-07-17 21:42:35 | 10735ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 10:52:39 | 6512ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 11:20:49 | 1248ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-09 01:36:47 | 16615ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 14:27:40 | 5940ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 03:14:50 | 469ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 22:12:07 | 602ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 19:41:01 | 1273ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 15:36:28 | 500ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 04:24:33 | 845ms | 3 NS 1 A 1 MX | 🔒 Secure |