optimu.dk is a .dk domain served by 2 nameservers (ns.dandomain.dk, ns2.dandomain.dk). It was registered on 14 April 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.230.63.107 is hosted by Wix.com Ltd. (AS58182) in United States. Mail is handled by mx1.dandomain.dk, mx2.dandomain.dk. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 185.230.63.107 | 3600s | unalocated.63.wixsite.com | AS58182 | Wix.com Ltd. | 185.230.62.0/23 | 🇺🇸 United States | Ashburn |
| 185.230.63.171 | 3600s | unalocated.63.wixsite.com | AS58182 | Wix.com Ltd. | 185.230.62.0/23 | 🇺🇸 United States | Ashburn |
| 185.230.63.186 | 3600s | unalocated.63.wixsite.com | AS58182 | Wix.com Ltd. | 185.230.62.0/23 | 🇺🇸 United States | Ashburn |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.dandomain.dk | 212.237.249.50 | mx1.dandomain.dk | AS48854 team.blue Denmark A/S |
| 20 | 3600s | mx2.dandomain.dk | 46.36.209.11 | mx2.dandomain.dk | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover-mf.dandomain.dk → 212.237.249.98 |
| 🔶 Autoconfig | autoconfig-mf.dandomain.dk → 212.237.249.54 |
| TXT Record |
|---|
| v=spf1 include:spf.dandomain.dk -all |
| Policy | Record (optimu.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.dandomain.dk -all |
| Policy | Record (_dmarc.optimu.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · 1-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1._domainkey.optimu.dk.s012.ascendbywix.com | RSA · ~2048 bit |
| s2 | s2._domainkey.optimu.dk.s012.ascendbywix.com | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 3/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061002 |
| Primary NS (MNAME) | ns.dandomain.dk |
| Responsible (RNAME) | hostmaster@dandomain.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2020-04-14 |
| Expires | 2027-04-30 (187d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 03:53:14 | 611ms | 2 NS 3 A 2 MX | 🔒 Secure |
| 2026-09-23 21:54:20 | 481ms | 2 NS 3 A 2 MX | 🔒 Secure |
| 2026-08-27 20:55:00 | 1053ms | 2 NS 3 A 2 MX | 🔒 Secure |
| 2026-07-02 15:08:32 | 2501ms | 2 NS 3 A 2 MX | 🔒 Secure |
| 2026-06-27 03:33:38 | 558ms | 2 NS 3 A 2 MX | 🔒 Secure |
| 2026-06-21 14:38:20 | 466ms | 2 NS 3 A 2 MX | 🔒 Secure |
| 2026-06-20 05:53:13 shown | 704ms | 2 NS 3 A 2 MX | 🔒 Secure |
| 2026-06-18 02:56:10 | 2525ms | 2 NS 3 A 2 MX | 🔒 Secure |