underscore330.dk DNS records

🖥️ Nameservers2 records 108ms

Nameserver	IP addresses	PTR	ASN / ISP
brett.ns.cloudflare.com	108.162.193.76 172.64.33.76 173.245.59.76 2606:4700:58::adf5:3b4c 2803:f800:50::6ca2:c14c 2a06:98c1:50::ac40:214c	brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com brett.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
isla.ns.cloudflare.com	108.162.192.119 172.64.32.119 173.245.58.119 2606:4700:50::adf5:3a77 2803:f800:50::6ca2:c077 2a06:98c1:50::ac40:2077	isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com isla.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 145ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.23.206	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.213.65	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 146ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:17ce	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:d541	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 135ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.23.206,172.67.213.65 ech=AEX+DQBB/gAgACBj3ZQaazmR4RDKgbRkFbDDCXC7k/q2zBXwpGrN2qG/LQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:17ce,2606:4700:3037::ac43:d541

📝 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.underscore330.dk	i7wMT1npD4Qk9Ru5nk9JghTUba9Rfun3IBtINKmhegU
TXT	_acme-challenge.underscore330.dk	lGzYFzHKp2dxIb0Qo6Ee8vayLDWUPibxbSpLs_D0G3I

🔗 TLSA / DANE

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

🔐 DNSSEC276ms

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	2413509751
Primary NS (MNAME)	brett.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

108ms

A

145ms

MX

101ms

AAAA

146ms

TXT

351ms

CAA

125ms

HTTPS

135ms

TLSA

181ms

SOA

0ms

MTA-STS

214ms

DNSSEC

276ms

SRV

172ms

Total

1371ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 18:42:08	1093ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-30 17:26:40	1371ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-18 11:43:01	9961ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 04:40:57	1998ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 13:33:49	2405ms	2 NS 2 A 0 MX	🔓 Insecure	View