cstele.dk DNS records

🖥️ Nameservers2 records 91ms

Nameserver	IP addresses	PTR	ASN / ISP
jihoon.ns.cloudflare.com	108.162.195.233 162.159.44.233 172.64.35.233 2606:4700:58::a29f:2ce9 2803:f800:50::6ca2:c3e9 2a06:98c1:50::ac40:23e9	jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com jihoon.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
martha.ns.cloudflare.com	108.162.194.142 162.159.38.142 172.64.34.142 2606:4700:50::a29f:268e 2803:f800:50::6ca2:c28e 2a06:98c1:50::ac40:228e	martha.ns.cloudflare.com martha.ns.cloudflare.com martha.ns.cloudflare.com martha.ns.cloudflare.com martha.ns.cloudflare.com martha.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 91ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.44.208	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.203.180	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 100ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	. Null MX — domain accepts no email (RFC 7505)

🔷 AAAA Records (IPv6)2 records 86ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:2cd0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:cbb4	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 65ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.44.208,172.67.203.180 ech=AEX+DQBBvQAgACDtWAvN1eb7hmAIExFDHE2OrFTt16EwrzMI1DHxBK/tTgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2cd0,2606:4700:3037::ac43:cbb4

📝 TXT Records1 records 307ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.cstele.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

🔗 TLSA / DANE

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

🔐 DNSSEC256ms

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	2413680697
Primary NS (MNAME)	jihoon.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

91ms

A

91ms

MX

100ms

AAAA

86ms

TXT

307ms

CAA

73ms

HTTPS

65ms

TLSA

109ms

SOA

0ms

MTA-STS

140ms

DNSSEC

256ms

SRV

121ms

Total

1029ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 03:31:40	1029ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-27 02:28:18	528ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-25 06:09:23	2398ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-19 04:00:02	17081ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-22 05:21:06	1046ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-14 01:47:10	678ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-04 13:18:12	3185ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-26 02:34:53	811ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-24 09:07:25	879ms	2 NS 2 A 1 MX	❓ Unknown	View
2026-06-21 01:51:19	452ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-20 08:23:10	497ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-16 23:05:45	420ms	2 NS 2 A 0 MX	🔓 Insecure	View