notebook.dk DNS records

🖥️ Nameservers2 records 66ms

Nameserver	IP addresses	PTR	ASN / ISP
chris.ns.cloudflare.com	108.162.193.85 172.64.33.85 173.245.59.85 2606:4700:58::adf5:3b55 2803:f800:50::6ca2:c155 2a06:98c1:50::ac40:2155	chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com chris.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nova.ns.cloudflare.com	108.162.194.129 162.159.38.129 172.64.34.129 2606:4700:50::a29f:2681 2803:f800:50::6ca2:c281 2a06:98c1:50::ac40:2281	nova.ns.cloudflare.com nova.ns.cloudflare.com nova.ns.cloudflare.com nova.ns.cloudflare.com nova.ns.cloudflare.com nova.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 43ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.49.21	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.188.199	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 53ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3030::ac43:bcc7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3032::6815:3115	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 43ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.49.21,172.67.188.199 ech=AEX+DQBBXwAgACC907bXbRu7/LC/NETzD2Dh1NVSYndG73++RUhUF01iPQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bcc7,2606:4700:3032::6815:3115

📝 TXT Records1 records 203ms

TXT Record
google-site-verification=B4OniaF9LK0JiSgQBfhEkL8_WFQ46AzSYfsy3lLS0m8

✉️ 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.notebook.dk	BIRKCP9dChzUzxsjQIBOgBbEQnGGHrFkZvx_S0UQHsY
TXT	_acme-challenge.notebook.dk	_sgPxUozMhmBxoSMPypzjI4A3fFhRpuWiIdRRMNWSfU

🔗 TLSA / DANE

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

🔐 DNSSEC110ms

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	2412592956
Primary NS (MNAME)	chris.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

66ms

A

43ms

MX

45ms

AAAA

53ms

TXT

203ms

CAA

40ms

HTTPS

43ms

TLSA

53ms

SOA

0ms

MTA-STS

94ms

DNSSEC

110ms

SRV

98ms

Total

973ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 18:39:01	1508ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-19 10:56:53	973ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-15 16:40:52	860ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-26 05:35:26	828ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-18 05:05:33	2324ms	2 NS 2 A 0 MX	🔓 Insecure	View