r4isdhc.dk

📜 Historical scan 2026-06-18 08:21:33 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

r4isdhc.dk is a .dk domain served by 2 nameservers (casey.ns.cloudflare.com, ryleigh.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.13.205 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 42ms

Nameserver	IP addresses	PTR	ASN / ISP
casey.ns.cloudflare.com	108.162.195.158 162.159.44.158 172.64.35.158 2606:4700:58::a29f:2c9e 2803:f800:50::6ca2:c39e 2a06:98c1:50::ac40:239e	casey.ns.cloudflare.com casey.ns.cloudflare.com casey.ns.cloudflare.com casey.ns.cloudflare.com casey.ns.cloudflare.com casey.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ryleigh.ns.cloudflare.com	108.162.194.198 162.159.38.198 172.64.34.198 2606:4700:50::a29f:26c6 2803:f800:50::6ca2:c2c6 2a06:98c1:50::ac40:22c6	ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com ryleigh.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records#

2 records 33ms

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

📧 MX Records#

📧

No MX records found

🔷 AAAA Records (IPv6)#

2 records 31ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:8518	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3035::6815:dcd	—	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.13.205,172.67.133.24 ech=AEX+DQBBGAAgACDW1GZR9hru+FihavF8Ivc7aBei9NRjU8+yljAtq2M/DQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:8518,2606:4700:3035::6815:dcd

📝 TXT Records#

1 records 205ms

TXT Record
v=spf1 -all

✉️ SPF#

Policy	Record (r4isdhc.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC#

Policy	Record (_dmarc.r4isdhc.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s;

📬 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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-11 18:22:27

www	104.21.95.88 172.67.170.61 2606:4700:3030::6815:5f58 2606:4700:3037::ac43:aa3d (AS13335) (address records, no CNAME)
www vs bare domain	Same network r4isdhc.dk: 104.21.95.88 172.67.170.61 2606:4700:3030::6815:5f58 2606:4700:3037::ac43:aa3d (AS13335) www.r4isdhc.dk: 104.21.95.88 172.67.170.61 2606:4700:3030::6815:5f58 2606:4700:3037::ac43:aa3d (AS13335)
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔗 TLSA / DANE#

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

🔐 DNSSEC#

116ms

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

🏷️ SOA#

37ms

Field	Value
Serial	2406796894
Primary NS (MNAME)	casey.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

✗ No registration data yet — queued for a WHOIS lookup

📋 WHOIS#

⏱️ Lookup Timing#

42ms

33ms

35ms

AAAA

31ms

TXT

205ms

CAA

32ms

HTTPS

42ms

TLSA

106ms

SOA

37ms

MTA-STS

33ms

DNSSEC

116ms

SRV

443ms

Total

1014ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-09-08 16:15:55	1546ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-28 09:37:58	1426ms	2 NS 2 A 0 MX	🔓 Insecure
2026-08-27 02:55:59	9502ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-05 18:15:46	2249ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-04 15:22:31	1244ms	2 NS 2 A 0 MX	🔓 Insecure
2026-07-03 10:44:59	715ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-27 19:55:54	1272ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-25 15:59:21	4835ms	2 NS 2 A 0 MX	🔓 Insecure
2026-06-22 06:47:15	1115ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-18 08:21:33 shown	1014ms	2 NS 2 A 0 MX	🔓 Insecure