arnessoftware.dk is a .dk domain served by 2 nameservers (gracie.ns.cloudflare.com, yichun.ns.cloudflare.com). It was registered on 4 October 2026 (WHOIS) and first appeared in the .dk zone on 5 October 2026. Its website address 104.21.17.120 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by .. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.17.120 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.176.189 | 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 |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:1178 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::ac43:b0bd | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.17.120,172.67.176.189 ech=AEX+DQBBwgAgACDZO1T5WuN7UdX7qB2n+oS+FlwBLdwX7XoZ18CbfwPkdgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:1178,2606:4700:3034::ac43:b0bd |
| www | 104.21.17.120 172.67.176.189 2606:4700:3034::6815:1178 2606:4700:3034::ac43:b0bd (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network arnessoftware.dk: 104.21.17.120 172.67.176.189 2606:4700:3034::6815:1178 2606:4700:3034::ac43:b0bd (AS13335) www.arnessoftware.dk: 104.21.17.120 172.67.176.189 2606:4700:3034::6815:1178 2606:4700:3034::ac43:b0bd (AS13335) |
| Wildcard | No |
| 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 | 2416639323 |
| Primary NS (MNAME) | gracie.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 | 2026-10-04 |
| Expires | 2027-10-03 (347d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 21:06:15 | 592ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-10 15:17:14 | 406ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-05 08:39:35 shown | 390ms | 2 NS 2 A 1 MX | 🔓 Insecure |