optiver.dk is a .dk domain served by 4 nameservers (ns0.ppse.net, ns1.ppse.net, ns4.sentia.nl and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.195.124.19 is hosted by WorldStream B.V. (AS8315) in The Netherlands. Mail is handled by optiver.dk. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 217.195.124.19 | — | powered-by.vellance.com | AS8315 | WorldStream B.V. | 217.195.112.0/20 | 🇳🇱 The Netherlands | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | optiver.dk | 217.195.124.19 | powered-by.vellance.com | AS8315 WorldStream B.V. |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (optiver.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www | 217.195.124.19 (AS8315) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
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 | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2016062402 |
| Primary NS (MNAME) | ns1.msgc.ac |
| Responsible (RNAME) | hostmaster@optiver.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 21:37:23 | 773ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 02:53:04 | 1004ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 22:06:03 | 2600ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 13:13:07 shown | 1662ms | 4 NS 1 A 1 MX | 🔓 Insecure |