jokbyg.dk is a .dk domain served by 2 nameservers (ns1.dnsserver.dk, ns2.dnsserver.dk). It was registered on 26 August 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.8.37.84 is hosted by Norlys Telco A/S (AS3308) in Denmark. Mail is handled by mail.ithozting.dk. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 193.8.37.84 | 3600s | — | AS3308 | Norlys Telco A/S | 193.8.36.0/23 | 🇩🇰 Denmark | Ølstykke |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.ithozting.dk | 83.91.91.2 | mail.ithozting.dk | AS3292 TDC Holding A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | remote.jokbyg.dk |
| TXT Record |
|---|
| v=spf1 ip4:185.107.168.24 mx:remote.jokbyg.dk -all |
| Policy | Record (jokbyg.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:185.107.168.24 mx:remote.jokbyg.dk -all |
| Policy | Record (_dmarc.jokbyg.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=reject; rua=mailto:dmarcreports@scanmail.nu; |
| www CNAME | jokbyg.dk (all on jokbyg.dk) → 193.8.37.84 (AS3308) |
| www vs bare domain | Same network |
| 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-jokbyg-dk._domainkey.jokbyg.d-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-jokbyg-dk._domainkey.jokbyg.d-v1.dkim.mail.microsoft | 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: insecurity proof failed |
| Field | Value |
|---|---|
| Serial | 2026042701 |
| Primary NS (MNAME) | ns1.dnsserver.dk |
| Responsible (RNAME) | hostmaster@curanet.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2008-08-26 |
| Expires | 2027-08-31 (311d) |
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 |
|---|---|
| abc-gaarden.dk | Punktum dk A/S (direct) |
| bornglas.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-23 11:35:42 | 1090ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 02:22:56 | 879ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 05:58:21 | 1594ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 17:53:49 | 1326ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 04:35:41 | 756ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 09:55:02 | 693ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 05:47:38 | 1497ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-20 23:27:08 shown | 649ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-17 11:59:48 | 819ms | 2 NS 1 A 1 MX | 🔒 Secure |