elearning-kursus.dk is a .dk domain served by 2 nameservers (kate.ns.cloudflare.com, matt.ns.cloudflare.com). It was registered on 27 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.4.236 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by webhotel3.webhosting.dk. The zone is not DNSSEC-signed, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| kate.ns.cloudflare.com | — | — | — |
| matt.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.4.236 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.154.63 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | webhotel3.webhosting.dk | 157.250.160.23 | webhotel3.webhosting.dk | AS3342 Cibicom A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::6815:4ec | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:9a3f | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.4.236,172.67.154.63 ech=AEX+DQBBXgAgACBk3IkpEn8VmeTeqwAXwjKHnHDe2nNyrlKhzDn33dKfVQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:4ec,2606:4700:3036::ac43:9a3f |
| www | 104.21.4.236 172.67.154.63 2606:4700:3030::ac43:9a3f 2606:4700:3032::6815:4ec (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network elearning-kursus.dk: 104.21.4.236 172.67.154.63 2606:4700:3030::ac43:9a3f 2606:4700:3032::6815:4ec (AS13335) www.elearning-kursus.dk: 104.21.4.236 172.67.154.63 2606:4700:3030::ac43:9a3f 2606:4700:3032::6815:4ec (AS13335) |
| Wildcard | No |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.webhotel3.webhosting.dk | DANE-TA · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| SMTP _25._tcp.webhotel3.webhosting.dk | DANE-EE · SPKI · SHA-256 | FA4EFC305AA17A4FEEE8B29B2DAA8847… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2406632898 |
| Primary NS (MNAME) | kate.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-02-27 |
| Expires | 2027-02-26 (128d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 11:07:32 | 715ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-04 08:15:18 | 554ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 05:45:40 | 575ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-05 14:30:26 | 719ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-04 09:24:05 | 2575ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-09 23:07:46 | 2970ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-30 18:06:08 | 1014ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-02 02:50:21 | 1892ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-02 01:23:58 | 810ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 06:41:18 | 498ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 06:40:09 shown | 609ms | 2 NS 2 A 1 MX | 🔓 Insecure |