lessonstudy.dk is a .dk domain served by 5 nameservers (ns1pri.webhosting.dk, ns2.mywebtonet.com, ns2.webhosting.dk and 2 more). Its website address 167.235.90.235 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by lessonstudy.dk. 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 |
|---|---|---|---|---|---|---|---|
| 167.235.90.235 | 600s | static.235.90.235.167.clients.your-server.de | AS24940 | Hetzner Online GmbH | 167.235.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | lessonstudy.dk | 167.235.90.235 2a01:4f8:2b01:109b::2 |
static.235.90.235.167.clients.your-server.de — |
AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 167.235.90.235 |
| 🔶 Autoconfig | 167.235.90.235 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:2b01:109b::2 | 600s | — | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | — |
| TXT Record |
|---|
| @ v=spf1 a mx -all |
| Policy | Record (_dmarc.lessonstudy.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none; |
| Flags | Tag | Value |
|---|---|---|
| 0 | issue | letsencrypt.org |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 3403071805 |
| Primary NS (MNAME) | ns1pri.webhosting.dk |
| Responsible (RNAME) | hostmaster@webhosting.dk |
| Refresh | 21600s |
| Retry | 3600s |
| Expire | 14515200s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 17:43:17 | 712ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-21 12:53:09 | 16935ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 12:48:36 shown | 930ms | 5 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 23:11:05 | 776ms | 5 NS 1 A 1 MX | 🔒 Secure |