rsr4.dk DNS records

🖥️ Nameservers2 records 61ms

Nameserver	IP addresses	PTR	ASN / ISP
armando.ns.cloudflare.com	108.162.195.225 162.159.44.225 172.64.35.225 2606:4700:58::a29f:2ce1 2803:f800:50::6ca2:c3e1 2a06:98c1:50::ac40:23e1	armando.ns.cloudflare.com armando.ns.cloudflare.com armando.ns.cloudflare.com armando.ns.cloudflare.com armando.ns.cloudflare.com armando.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
liberty.ns.cloudflare.com	108.162.194.240 162.159.38.240 172.64.34.240 2606:4700:50::a29f:26f0 2803:f800:50::6ca2:c2f0 2a06:98c1:50::ac40:22f0	liberty.ns.cloudflare.com liberty.ns.cloudflare.com liberty.ns.cloudflare.com liberty.ns.cloudflare.com liberty.ns.cloudflare.com liberty.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 2045ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.8.35	298s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.130.92	298s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 76ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:823	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3030::ac43:825c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 58ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.8.35,172.67.130.92 ech=AEX+DQBBagAgACAg7U9OGs/0QHLE6P+EVixZVw+CHpdrGdQPod76pQOQPQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:823,2606:4700:3030::ac43:825c

📝 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)

🔐 DNSSEC88ms

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	2408942930
Primary NS (MNAME)	armando.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

61ms

A

2045ms

MX

43ms

AAAA

76ms

TXT

272ms

CAA

54ms

HTTPS

58ms

TLSA

64ms

SOA

0ms

MTA-STS

66ms

DNSSEC

88ms

SRV

86ms

Total

3054ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-02 20:32:17	3054ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-09 01:06:28	1445ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 03:39:52	588ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-20 19:55:44	609ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 06:11:09	2282ms	0 NS 0 A 0 MX	❓ Unknown	View