performance.dk

📜 Historical scan 2026-09-23 12:17:48 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

performance.dk is a .dk domain served by 2 nameservers (guss.ns.cloudflare.com, marge.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.45.158 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. 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.

🖥️ Nameservers#

2 records 41ms

Nameserver	IP addresses	PTR	ASN / ISP
guss.ns.cloudflare.com	108.162.193.172 172.64.33.172 173.245.59.172 2606:4700:58::adf5:3bac 2803:f800:50::6ca2:c1ac 2a06:98c1:50::ac40:21ac	guss.ns.cloudflare.com guss.ns.cloudflare.com guss.ns.cloudflare.com guss.ns.cloudflare.com guss.ns.cloudflare.com guss.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
marge.ns.cloudflare.com	108.162.192.191 172.64.32.191 173.245.58.191 2606:4700:50::adf5:3abf 2803:f800:50::6ca2:c0bf 2a06:98c1:50::ac40:20bf	marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com marge.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.45.158	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.216.105	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

5 records 40ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	209.85.233.27 2a00:1450:4010:c22::1b	lr-in-f27.1e100.net yulpptr-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.26 2404:6800:4013:813::1a	lcdels-in-f26.1e100.net lcdels-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.26 173.194.41.26 2404:6800:4001:c01::1a	mad01s14-in-f26.1e100.net yukulwh-in-f26.1e100.net yukulwh-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
10	300s	alt3.aspmx.l.google.com	172.253.158.26 2404:6800:4003:c26::1b	so-in-f26.1e100.net so-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.26 2404:6800:4008:c01::1a	tp-in-f26.1e100.net tp-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)#

2 records 34ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:2d9e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3030::ac43:d869	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 31ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.45.158,172.67.216.105 ech=AEX+DQBBJAAgACCTuwGZ5klhCDps6fSZeh/rhFGvB6eMroxS34GSMc3LBgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:2d9e,2606:4700:3030::ac43:d869

📝 TXT Records#

2 records 159ms

TXT Record
ca3-ac7a5207961f4a18afc761469d8c7b71
ca3-bb983ca3ddd54d4cb9a673e2ad4958d2

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

✗ No DMARC record — mail spoofing not restricted

📬 MTA-STS#

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT#

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records#

✗ No CAA records — any CA may issue certificates

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-15 18:45:18

www	104.21.45.158 172.67.216.105 2606:4700:3030::6815:2d9e 2606:4700:3030::ac43:d869 (AS13335) (address records, no CNAME)
www vs bare domain	Same network performance.dk: 104.21.45.158 172.67.216.105 2606:4700:3030::6815:2d9e 2606:4700:3030::ac43:d869 (AS13335) www.performance.dk: 104.21.45.158 172.67.216.105 2606:4700:3030::6815:2d9e 2606:4700:3030::ac43:d869 (AS13335)
Wildcard	No

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

121ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA#

0ms

Field	Value
Serial	2415351983
Primary NS (MNAME)	guss.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

41ms

42ms

40ms

AAAA

34ms

TXT

159ms

CAA

27ms

HTTPS

31ms

TLSA

74ms

SOA

0ms

MTA-STS

48ms

DNSSEC

121ms

SRV

62ms

Total

839ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-30 04:03:58	626ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-23 12:17:48 shown	839ms	2 NS 2 A 5 MX	🔓 Insecure
2026-09-16 11:05:37	1866ms	2 NS 2 A 5 MX	🔓 Insecure
2026-08-27 21:45:03	2030ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-21 23:57:18	1720ms	2 NS 2 A 5 MX	🔓 Insecure
2026-07-17 14:19:20	9282ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-19 20:41:21	863ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-19 11:13:29	1106ms	2 NS 2 A 5 MX	🔓 Insecure
2026-06-17 22:06:43	932ms	2 NS 2 A 5 MX	🔓 Insecure