cisterne.dk DNS records

🖥️ Nameservers2 records 26ms

Nameserver	IP addresses	PTR	ASN / ISP
noel.ns.cloudflare.com	108.162.193.216 172.64.33.216 173.245.59.216 2606:4700:58::adf5:3bd8 2803:f800:50::6ca2:c1d8 2a06:98c1:50::ac40:21d8	noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com noel.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
ulla.ns.cloudflare.com	108.162.192.233 172.64.32.233 173.245.58.233 2606:4700:50::adf5:3ae9 2803:f800:50::6ca2:c0e9 2a06:98c1:50::ac40:20e9	ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com ulla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 33ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.15.48	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.205.137	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 26ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::6815:f30	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:cd89	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 25ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.15.48,172.67.205.137 ech=AEX+DQBBGQAgACAPXO7Y1DOCev7PtFEuNgGpquqxccAADZv09nN/Da31IgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::6815:f30,2606:4700:3037::ac43:cd89

📝 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

🔏 ACME Challenge

Type	Name	Value
TXT	_acme-challenge.cisterne.dk	NOya5gBXtEXoy5WgtFINmnm8xNSjjfRF9VCA--ucjh8
TXT	_acme-challenge.cisterne.dk	tDjawlKqgiU1jSSNc5R2WWqFo2vN5SNNHCKFBfh4A3I

🔗 TLSA / DANE

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

🔐 DNSSEC104ms

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	2413294508
Primary NS (MNAME)	noel.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

26ms

A

33ms

MX

27ms

AAAA

26ms

TXT

133ms

CAA

24ms

HTTPS

25ms

TLSA

103ms

SOA

0ms

MTA-STS

40ms

DNSSEC

104ms

SRV

43ms

Total

520ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 02:02:04	520ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-24 17:08:42	574ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-19 11:55:09	4642ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-11 01:26:33	5212ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-25 21:39:30	716ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 03:19:25	844ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-16 20:56:14	412ms	2 NS 2 A 0 MX	🔓 Insecure	View