holzt.dk DNS records

🖥️ Nameservers2 records 21ms

Nameserver	IP addresses	PTR	ASN / ISP
ariadne.ns.cloudflare.com	108.162.194.225 162.159.38.225 172.64.34.225 2606:4700:50::a29f:26e1 2803:f800:50::6ca2:c2e1 2a06:98c1:50::ac40:22e1	ariadne.ns.cloudflare.com ariadne.ns.cloudflare.com ariadne.ns.cloudflare.com ariadne.ns.cloudflare.com ariadne.ns.cloudflare.com ariadne.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
byron.ns.cloudflare.com	108.162.195.67 162.159.44.67 172.64.35.67 2606:4700:58::a29f:2c43 2803:f800:50::6ca2:c343 2a06:98c1:50::ac40:2343	byron.ns.cloudflare.com byron.ns.cloudflare.com byron.ns.cloudflare.com byron.ns.cloudflare.com byron.ns.cloudflare.com byron.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 32ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.88.44	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.172.137	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records

📧

No MX records found

🔷 AAAA Records (IPv6)2 records 41ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3032::ac43:ac89	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::6815:582c	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 24ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.88.44,172.67.172.137 ech=AEX+DQBBBAAgACANwZYEx8Ih4Pk9TVxX1VDbScTRnDBn/WvOn6A6/nu6PgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:ac89,2606:4700:3037::6815:582c

📝 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

🔗 TLSA / DANE

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

🔐 DNSSEC107ms

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	2413453204
Primary NS (MNAME)	ariadne.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

21ms

A

32ms

MX

27ms

AAAA

41ms

TXT

131ms

CAA

22ms

HTTPS

24ms

TLSA

40ms

SOA

0ms

MTA-STS

49ms

DNSSEC

107ms

SRV

50ms

Total

485ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 12:03:18	485ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-28 00:04:33	651ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-21 05:03:32	2049ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-08-06 01:41:51	1184ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-07-02 14:09:07	10390ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-23 23:54:02	2155ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-17 14:24:10	650ms	2 NS 2 A 0 MX	🔓 Insecure	View