thereef.dk

📜 Historical scan 2026-10-01 07:04:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

thereef.dk is a .dk domain served by 2 nameservers (vick.ns.cloudflare.com, ximena.ns.cloudflare.com). It was registered on 4 November 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.17.203 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by custmx.cscdns.net. 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 45ms

Nameserver	IP addresses	PTR	ASN / ISP
vick.ns.cloudflare.com	108.162.193.244 172.64.33.244 173.245.59.244 2606:4700:58::adf5:3bf4 2803:f800:50::6ca2:c1f4 2a06:98c1:50::ac40:21f4	vick.ns.cloudflare.com vick.ns.cloudflare.com vick.ns.cloudflare.com vick.ns.cloudflare.com vick.ns.cloudflare.com vick.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ximena.ns.cloudflare.com	108.162.194.10 162.159.38.10 172.64.34.10 2606:4700:50::a29f:260a 2803:f800:50::6ca2:c20a 2a06:98c1:50::ac40:220a	ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.ns.cloudflare.com ximena.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 42ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.17.203	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.178.73	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records#

1 records 42ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	custmx.cscdns.net	198.58.121.58	—	AS63949 Akamai Connected Cloud

🔷 AAAA Records (IPv6)#

2 records 44ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:b249	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:11cb	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records#

1 records 36ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.17.203,172.67.178.73 ech=AEX+DQBBuAAgACBEKqOBo9rNAQzwWqgZ0c4KpnrXyZqJ/Dv1lOqMnuCRQAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:b249,2606:4700:3037::6815:11cb

📝 TXT Records#

📝

No TXT records found

✉️ SPF#

✗ No SPF record — mail spoofing not restricted

📨 DMARC#

Policy	Record (_dmarc.thereef.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:246ef1d35a4b046@rep.dmarcanalyzer.com; ruf=mailto:246ef1d35a4b046@for.dmarcanalyzer.com; fo=1;

📬 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 2026-10-07 14:18:48

www	188.114.96.1 188.114.97.1 2606:4700:3032::ac43:b249 2606:4700:3037::6815:11cb (AS13335) (address records, no CNAME)
www vs bare domain	Same network thereef.dk: 104.21.17.203 172.67.178.73 2606:4700:3032::ac43:b249 2606:4700:3037::6815:11cb (AS13335) www.thereef.dk: 188.114.96.1 188.114.97.1 2606:4700:3032::ac43:b249 2606:4700:3037::6815:11cb (AS13335)
Wildcard	No

🔗 TLSA / DANE#

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

🔐 DNSSEC#

71ms

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

🏷️ SOA#

40ms

Field	Value
Serial	2416152507
Primary NS (MNAME)	vick.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 14:44:22

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	2009-11-04
Expires	2026-11-30 (42d)

📋 WHOIS#

⏱️ Lookup Timing#

45ms

42ms

AAAA

44ms

TXT

173ms

CAA

60ms

HTTPS

36ms

TLSA

75ms

SOA

40ms

MTA-STS

50ms

DNSSEC

71ms

SRV

67ms

Total

558ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-07 14:18:48	603ms	2 NS 2 A 1 MX	🔓 Insecure
2026-10-01 07:04:20 shown	558ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-29 15:55:21	802ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-24 15:15:58	655ms	2 NS 2 A 1 MX	🔓 Insecure
2026-09-23 03:54:17	1466ms	2 NS 2 A 1 MX	🔓 Insecure
2026-08-10 06:19:40	3026ms	2 NS 2 A 1 MX	🔓 Insecure
2026-07-25 01:47:38	9509ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-26 19:01:24	880ms	2 NS 2 A 1 MX	🔓 Insecure
2026-06-17 17:54:17	1456ms	2 NS 2 A 1 MX	🔓 Insecure