precision-recall.dk DNS records

🖥️ Nameservers2 records 54ms

Nameserver	IP addresses	PTR	ASN / ISP
aaron.ns.cloudflare.com	108.162.195.150 162.159.44.150 172.64.35.150 2606:4700:58::a29f:2c96 2803:f800:50::6ca2:c396 2a06:98c1:50::ac40:2396	aaron.ns.cloudflare.com aaron.ns.cloudflare.com aaron.ns.cloudflare.com aaron.ns.cloudflare.com aaron.ns.cloudflare.com aaron.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
romina.ns.cloudflare.com	108.162.194.159 162.159.38.159 172.64.34.159 2606:4700:50::a29f:269f 2803:f800:50::6ca2:c29f 2a06:98c1:50::ac40:229f	romina.ns.cloudflare.com romina.ns.cloudflare.com romina.ns.cloudflare.com romina.ns.cloudflare.com romina.ns.cloudflare.com romina.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 44ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.34.80	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.157.18	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 42ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:9d12	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:2250	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 55ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.34.80,172.67.157.18 ech=AEX+DQBBSQAgACCXZBYUsAr9BUJCPSHGkhj27elgwfie0mb8OekBWyCaXwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:9d12,2606:4700:3035::6815:2250

📝 TXT Records1 records 224ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (precision-recall.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.precision-recall.dk)
p=reject	v=DMARC1; p=reject

📬 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.precision-recall.dk	N3CtKACMgj-vC9Cc7gyVGn2E6dOp3AVQbIIZkPuuoXg
TXT	_acme-challenge.precision-recall.dk	ZEx3JRZXGI3ViGm71WNTfmcDFkT_k-WnF44H8gbHl6w

🔗 TLSA / DANE

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

🔐 DNSSEC75ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2413694482
Primary NS (MNAME)	aaron.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

54ms

A

44ms

MX

56ms

AAAA

42ms

TXT

224ms

CAA

60ms

HTTPS

55ms

TLSA

67ms

SOA

0ms

MTA-STS

83ms

DNSSEC

75ms

SRV

80ms

Total

1182ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 23:52:06	1182ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-09-01 10:43:56	1115ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-25 02:54:50	740ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-21 23:45:36	1405ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-08-18 21:28:12	10161ms	2 NS 2 A 0 MX	🔒 Secure	View
2026-06-23 21:29:59	2366ms	3 NS 0 A 0 MX	🔒 Secure	View
2026-06-21 18:54:32	1196ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 08:37:52	485ms	3 NS 0 A 0 MX	🔒 Secure	View