rula.dk is a .dk domain served by 2 nameservers (alberto.ns.cloudflare.com, jen.ns.cloudflare.com). It was registered on 28 September 2026 (WHOIS) and first appeared in the .dk zone on 29 September 2026. Its website address 104.21.6.40 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.6.40 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.154.207 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3037::6815:628 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:9acf | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.6.40,172.67.154.207 ech=AEX+DQBB/wAgACAVWnUeWYsjiUxZ7fQIOaWxnKAVDacG13d4R8oZ6rgFGwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:628,2606:4700:3037::ac43:9acf |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (rula.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.rula.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 185.224.18.200 (AS205206) (address records, no CNAME) |
| www vs bare domain | Different networks rula.dk: 104.21.6.40 172.67.154.207 2606:4700:3037::6815:628 2606:4700:3037::ac43:9acf (AS13335) (all like this)www.rula.dk: 185.224.18.200 (AS205206) |
| Wildcard | No |
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 | 2416638557 |
| Primary NS (MNAME) | alberto.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Netsite A/S |
| Registered | 2026-09-28 |
| Expires | 2027-09-27 (344d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 09:24:55 shown | 448ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-03 09:17:04 | 656ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 09:03:04 | 2226ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-29 08:43:31 | 1294ms | 2 NS 2 A 1 MX | 🔓 Insecure |