lucasskt.dk is a .dk domain served by 2 nameservers (kate.ns.cloudflare.com, patrick.ns.cloudflare.com). It was registered on 15 October 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.12.248 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by f20a42bf959e.lucasskt.dk. The zone is not DNSSEC-signed, publishes a 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.12.248 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.196.199 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | f20a42bf959e.lucasskt.dk | 213.199.41.61 | vmi2081983.contaboserver.net | AS51167 Contabo GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | f20a42bf959e.lucasskt.dk → 213.199.41.61 |
| 🔶 Autoconfig | f20a42bf959e.lucasskt.dk → 213.199.41.61 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::ac43:c4c7 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:cf8 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.12.248,172.67.196.199 ech=AEX+DQBBSwAgACBta8efbut4GhRub4pJJ4rTfa2asQtkEWHC+EHhFiUPYQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::ac43:c4c7,2606:4700:3035::6815:cf8 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imap._tcp | 0 | 1 | 143 | f20a42bf959e.lucasskt.dk |
| _imaps._tcp | 0 | 1 | 993 | f20a42bf959e.lucasskt.dk |
| TXT Record |
|---|
| v=spf1 mx ip4:213.199.41.61 ~all |
| Policy | Record (lucasskt.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx ip4:213.199.41.61 ~all |
| Policy | Record (_dmarc.lucasskt.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:postmaster@lucasskt.dk; ruf=mailto:postmaster@lucasskt.dk |
| Status | Report address (rua) |
|---|---|
| ✓ Enabled | mailto:postmaster@lucasskt.dk |
| www | 213.199.41.61 (AS51167) (address records, no CNAME) |
| www vs bare domain | Different networks lucasskt.dk: 104.21.12.248 172.67.196.199 2606:4700:3031::ac43:c4c7 2606:4700:3035::6815:cf8 (AS13335) (all like this)www.lucasskt.dk: 213.199.41.61 (AS51167) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · 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 | 2411462990 |
| 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 | ONE.COM A/S |
| Registered | 2023-10-15 |
| Expires | 2026-10-14 (expired) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-07 16:42:56 | 3673ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 14:42:16 | 2025ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 11:08:45 | 1369ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-30 03:36:55 | 2060ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-06 02:56:56 shown | 1541ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-01 12:20:49 | 1051ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 21:47:13 | 1021ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:21:26 | 1440ms | 2 NS 2 A 1 MX | 🔓 Insecure |