performance.dk DNS records

🖥️ Nameservers2 records 60ms

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 Records2 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 Records5 records 58ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	300s	aspmx.l.google.com	173.194.73.26 2a00:1450:4010:c0f::1a 2a00:1450:4010:c0f::1a	lq-in-f26.1e100.net lt-in-f26.1e100.net lt-in-x1a.1e100.net	AS15169 Google LLC AS15169 Google LLC AS15169 Google LLC
5	300s	alt1.aspmx.l.google.com	192.178.158.27 2404:6800:4013:813::1b	lcdels-in-f27.1e100.net lcdels-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC
5	300s	alt2.aspmx.l.google.com	173.194.41.27 173.194.41.27 2404:6800:4001:c01::1a	yukulwh-in-f27.1e100.net mad01s14-in-f27.1e100.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::1a	so-in-f26.1e100.net so-in-f26.1e100.net	AS15169 Google LLC AS15169 Google LLC
10	300s	alt4.aspmx.l.google.com	108.177.125.27 2404:6800:4008:c01::1b	tp-in-f27.1e100.net tp-in-f27.1e100.net	AS15169 Google LLC AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 52ms

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 Records1 records 59ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.45.158,172.67.216.105 ech=AEX+DQBB/AAgACBaY3xXTjHGn020myaHmA0UDNM1FWVR3m9nS/VJiWGkRwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:2d9e,2606:4700:3030::ac43:d869

📝 TXT Records2 records 210ms

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

🔗 TLSA / DANE

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

🔐 DNSSEC104ms

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

🏷️ SOA0ms

Field	Value
Serial	2410100133
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 — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

60ms

A

42ms

MX

58ms

AAAA

52ms

TXT

210ms

CAA

51ms

HTTPS

59ms

TLSA

191ms

SOA

0ms

MTA-STS

97ms

DNSSEC

104ms

SRV

87ms

Total

2030ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 21:45:03	2030ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-21 23:57:18	1720ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-17 14:19:20	9282ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-19 20:41:21	863ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-19 11:13:29	1106ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-17 22:06:43	932ms	2 NS 2 A 5 MX	🔓 Insecure	View