r4s.dk DNS records

🖥️ Nameservers2 records 231ms

Nameserver	IP addresses	PTR	ASN / ISP
amber.ns.cloudflare.com	108.162.192.64 172.64.32.64 173.245.58.64 2606:4700:50::adf5:3a40 2803:f800:50::6ca2:c040 2a06:98c1:50::ac40:2040	amber.ns.cloudflare.com amber.ns.cloudflare.com — amber.ns.cloudflare.com amber.ns.cloudflare.com amber.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
cleo.ns.cloudflare.com	108.162.193.89 172.64.33.89 173.245.59.89 2606:4700:58::adf5:3b59 2803:f800:50::6ca2:c159 2a06:98c1:50::ac40:2159	cleo.ns.cloudflare.com cleo.ns.cloudflare.com cleo.ns.cloudflare.com cleo.ns.cloudflare.com cleo.ns.cloudflare.com cleo.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 202ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.20.222	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.194.180	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 195ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:14de	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3031::ac43:c2b4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 211ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.20.222,172.67.194.180 ech=AEX+DQBB2wAgACCR1ng244+qZpijAnehRXXIINh2lDVBDEcetfCY3xEyQwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:14de,2606:4700:3031::ac43:c2b4

📝 TXT Records

📝

No TXT records found

✉️ 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)

🔐 DNSSEC400ms

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

🏷️ SOA263ms

Field	Value
Serial	2405896467
Primary NS (MNAME)	amber.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

231ms

A

202ms

MX

230ms

AAAA

195ms

TXT

482ms

CAA

213ms

HTTPS

211ms

TLSA

226ms

SOA

263ms

MTA-STS

272ms

DNSSEC

400ms

SRV

268ms

Total

1572ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-02 01:15:30	715ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-04 23:29:54	1464ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-28 14:54:30	1572ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-18 08:24:29	16478ms	2 NS 2 A 0 MX	🔓 Insecure	View