kurseronline.dk is a .dk domain served by 3 nameservers (ns1.wsd.dk, ns2.wsd.dk, ns3.wsd.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.150.84.72 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mail.kurseronline.dk, mx30.kurseronline.dk and 1 more. 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.wsd.dk | 193.150.84.89 | — | AS31027 GlobalConnect A/S |
| ns2.wsd.dk | 193.150.84.90 | ns2.wsd.dk | AS31027 GlobalConnect A/S |
| ns3.wsd.dk | 193.150.84.91 | ns3.wsd.dk | AS31027 GlobalConnect A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 193.150.84.72 | 14400s | da3.wsd.dk | AS31027 | GlobalConnect A/S | 193.150.84.0/22 | 🇩🇰 Denmark | Hårlev |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 14400s | mail.kurseronline.dk | 193.150.84.72 | da3.wsd.dk | AS31027 GlobalConnect A/S |
| 30 | 14400s | mx30.kurseronline.dk | 193.150.84.92 | mx30.wsd.dk | AS31027 GlobalConnect A/S |
| 50 | 14400s | mx50.kurseronline.dk | 193.150.84.93 | mx50.wsd.dk | AS31027 GlobalConnect A/S |
| TXT Record |
|---|
| v=spf1 a mx ip4:193.150.84.72 ~all |
| Policy | Record (kurseronline.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:193.150.84.72 ~all |
| www | 193.150.84.72 (AS31027) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 2/10 · 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 | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026081500 |
| Primary NS (MNAME) | ns1.wsd.dk |
| Responsible (RNAME) | hostmaster@kurseronline.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 15:01:28 shown | 7684ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 19:02:32 | 2319ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 19:57:44 | 662ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-10 08:40:52 | 1608ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 14:22:14 | 9639ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 03:07:07 | 1097ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-15 23:45:11 | 4712ms | 3 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 12:00:21 | 802ms | 3 NS 1 A 3 MX | 🔓 Insecure |