lerustique.dk is a .dk domain served by 4 nameservers (a.ns.domainoo.fr, b.ns.domainoo.fr, c.ns.domainoo.fr and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.16.44.89 is hosted by Planet Service SARL (AS61168) in France. Mail is handled by a.mx.domainoo.fr. 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 |
|---|---|---|---|---|---|---|---|
| 185.16.44.89 | — | 0.redirect-lets-encrypt.domainoo.com | AS61168 | Planet Service SARL | 185.16.44.0/23 | 🇫🇷 France | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | a.mx.domainoo.fr | 185.16.44.198 | a.mx.domainoo.fr | AS61168 Planet Service SARL |
| TXT Record |
|---|
| v=spf1 include:_mailcust.gandi.net include:servers.mcsv.net ip4:198.37.150.97 a:mail.lumini.fr a:smtp1.lumini.fr mx -all |
| Policy | Record (lerustique.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_mailcust.gandi.net include:servers.mcsv.net ip4:198.37.150.97 a:mail.lumini.fr a:smtp1.lumini.fr mx -all |
| www | 185.16.44.89 (AS61168) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| s1 | s1.domainkey.u12555560.wl061.sendgrid.net | RSA · ~2048 bit |
| s2 | s2.domainkey.u12555560.wl061.sendgrid.net | 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: 6/10 · 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 | 2024121004 |
| Primary NS (MNAME) | a.ns.domainoo.fr |
| Responsible (RNAME) | postmaster@domainoo.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 20:54:42 | 2792ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-20 15:57:06 | 11523ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 18:54:44 | 1158ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 18:39:17 | 1171ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 06:07:04 | 1447ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 05:56:57 shown | 1270ms | 4 NS 1 A 1 MX | 🔓 Insecure |