rezdiffra.dk DNS records

🖥️ Nameservers2 records 63ms

Nameserver	IP addresses	PTR	ASN / ISP
heidi.ns.cloudflare.com	108.162.194.236 162.159.38.236 172.64.34.236 2606:4700:50::a29f:26ec 2803:f800:50::6ca2:c2ec 2a06:98c1:50::ac40:22ec	heidi.ns.cloudflare.com heidi.ns.cloudflare.com heidi.ns.cloudflare.com heidi.ns.cloudflare.com heidi.ns.cloudflare.com heidi.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rene.ns.cloudflare.com	108.162.195.180 162.159.44.180 172.64.35.180 2606:4700:58::a29f:2cb4 2803:f800:50::6ca2:c3b4 2a06:98c1:50::ac40:23b4	rene.ns.cloudflare.com rene.ns.cloudflare.com rene.ns.cloudflare.com rene.ns.cloudflare.com rene.ns.cloudflare.com rene.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 95ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.8.112	—	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.157.86	—	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 101ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3034::ac43:9d56	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:870	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 93ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.8.112,172.67.157.86 ech=AEX+DQBBNAAgACDAjIMLMdyoyKrz46qSONFPzN+RU0NXjPG5OscOQ8iLfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:9d56,2606:4700:3037::6815:870

📝 TXT Records1 records 252ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.rezdiffra.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

🔗 TLSA / DANE

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

🔐 DNSSEC216ms

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

🏷️ SOA82ms

Field	Value
Serial	2406099107
Primary NS (MNAME)	heidi.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

63ms

A

95ms

MX

84ms

AAAA

101ms

TXT

252ms

CAA

92ms

HTTPS

93ms

TLSA

250ms

SOA

82ms

MTA-STS

52ms

DNSSEC

216ms

SRV

0ms

Total

2654ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-09 11:54:16	2256ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-16 21:55:57	1293ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 02:51:38	2450ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-22 11:32:06	1182ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-19 11:10:40	879ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 13:20:12	2654ms	2 NS 2 A 0 MX	🔓 Insecure	View