performancepc.dk is a .dk domain served by 2 nameservers (nia.ns.cloudflare.com, sam.ns.cloudflare.com). It was registered on 9 December 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.30.132 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.30.132 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.172.241 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.30.132 |
| 🔶 Autoconfig | 104.21.30.132 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:acf1 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3034::6815:1e84 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.30.132,172.67.172.241 ech=AEX+DQBBMgAgACB/Gq3s+ox+dSaw/A49BF4Uj8Mcuy2lH4+z3RIqyzqlEwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:acf1,2606:4700:3034::6815:1e84 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (performancepc.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.performancepc.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.performancepc.dk | 40Y5eKZeYzI-kpSyp7vIJngg4E7Z2jJb5uTFROW0gpw |
| TXT | _acme-challenge.performancepc.dk | lXRr8dMn6Dom56lCWyf9kEvcmyEJxd0_tRfm_TRRtdI |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2415821392 |
| Primary NS (MNAME) | nia.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | WANNAFIND.DK A/S |
| Registered | 2003-12-09 |
| Expires | 2027-07-31 (286d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 02:48:18 | 466ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-01 02:33:29 | 682ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-30 02:23:28 | 515ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-28 04:47:46 | 646ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-27 04:08:54 | 609ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-26 03:56:55 shown | 596ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-25 03:31:23 | 1341ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-22 18:46:00 | 641ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-21 03:55:58 | 767ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-10 00:33:49 | 2484ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-06 13:20:46 | 692ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-25 01:52:38 | 1453ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-17 07:20:59 | 906ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-09 02:50:11 | 960ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-16 04:33:29 | 1027ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-05 14:05:24 | 852ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-25 23:08:55 | 996ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-25 00:22:17 | 2148ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-18 04:14:30 | 2668ms | 2 NS 2 A 0 MX | 🔒 Secure |