r4isdhc.dk DNS records

🖥️ Nameservers2 records 33ms

Nameserver	IP addresses	PTR	ASN / ISP
byron.ns.cloudflare.com	108.162.195.67 162.159.44.67 172.64.35.67 2606:4700:58::a29f:2c43 2803:f800:50::6ca2:c343 2a06:98c1:50::ac40:2343	byron.ns.cloudflare.com byron.ns.cloudflare.com byron.ns.cloudflare.com byron.ns.cloudflare.com byron.ns.cloudflare.com byron.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nelci.ns.cloudflare.com	108.162.194.152 162.159.38.152 172.64.34.152 2606:4700:50::a29f:2698 2803:f800:50::6ca2:c298 2a06:98c1:50::ac40:2298	nelci.ns.cloudflare.com nelci.ns.cloudflare.com nelci.ns.cloudflare.com nelci.ns.cloudflare.com nelci.ns.cloudflare.com nelci.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
104.21.95.88	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.170.61	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 57ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::6815:5f58	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:aa3d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 71ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.95.88,172.67.170.61 ech=AEX+DQBBugAgACAXUf+23YDboba4db+V6/wsezT/zYza/z19G+HggcsuXAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5f58,2606:4700:3037::ac43:aa3d

📝 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)

🔐 DNSSEC112ms

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	2408573241
Primary NS (MNAME)	byron.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

33ms

A

42ms

MX

65ms

AAAA

57ms

TXT

213ms

CAA

49ms

HTTPS

71ms

TLSA

64ms

SOA

0ms

MTA-STS

65ms

DNSSEC

112ms

SRV

97ms

Total

1426ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 09:37:58	1426ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-27 02:55:59	9502ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-05 18:15:46	2249ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-04 15:22:31	1244ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-03 10:44:59	715ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-27 19:55:54	1272ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 15:59:21	4835ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 06:47:15	1115ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-18 08:21:33	1014ms	2 NS 2 A 0 MX	🔓 Insecure	View