joost.dk is a .dk domain served by 2 nameservers (ns1.telanco.dk, ns2.telanco.dk). It was registered on 19 March 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.joost.dk. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.telanco.dk | 84.246.245.104 | 84-246-245-104.unalloc.logiqit.net | AS34165 Novaram ApS |
| ns2.telanco.dk | 84.246.247.29 | 84-246-247-29.cust.novaram.net | AS34165 Novaram ApS |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.joost.dk | 84.246.247.21 | web04.telanco.dk | AS34165 Novaram ApS |
| TXT Record |
|---|
| v=spf1 ip4:84.246.247.21 -all |
| Policy | Record (joost.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:84.246.247.21 -all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves joost.dk: no address www.joost.dk: no address |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2023092701 |
| Primary NS (MNAME) | ns1.telanco.dk |
| Responsible (RNAME) | hostmaster@telanco.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-03-19 |
| Expires | 2027-03-31 (159d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 18:51:21 shown | 481ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-22 07:39:09 | 461ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-29 08:49:34 | 1039ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-28 06:18:14 | 65535ms | 2 NS 0 A 0 MX | ❓ Unknown |
| 2026-08-27 05:17:37 | 2649ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-27 05:18:30 | 13504ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 15:18:13 | 307ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-20 15:06:51 | 591ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 15:34:29 | 7819ms | 0 NS 0 A 0 MX | ❓ Unknown |