claustoft.dk DNS records

🖥️ Nameservers2 records 55ms

Nameserver	IP addresses	PTR	ASN / ISP
cris.ns.cloudflare.com	108.162.195.202 162.159.44.202 172.64.35.202 2606:4700:58::a29f:2cca 2803:f800:50::6ca2:c3ca 2a06:98c1:50::ac40:23ca	cris.ns.cloudflare.com cris.ns.cloudflare.com cris.ns.cloudflare.com cris.ns.cloudflare.com cris.ns.cloudflare.com cris.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
liberty.ns.cloudflare.com	108.162.194.240 162.159.38.240 172.64.34.240 2606:4700:50::a29f:26f0 2803:f800:50::6ca2:c2f0 2a06:98c1:50::ac40:22f0	liberty.ns.cloudflare.com liberty.ns.cloudflare.com liberty.ns.cloudflare.com liberty.ns.cloudflare.com liberty.ns.cloudflare.com liberty.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 60ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.228.89.108	60s	188.228.89.108.dynamic.altibox.net	AS214875	Altibox Danmark AS	188.228.88.0/22	🇩🇰 Denmark	Holstebro

📧 MX Records1 records 54ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	60s	mail.clt.dk	188.228.89.108	188.228.89.108.dynamic.altibox.net	AS214875 Altibox Danmark AS

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 269ms

TXT Record
v=spf1 ip4:188.228.89.108 ~all

✉️ SPF

Policy	Record (claustoft.dk)
~all (soft fail)	v=spf1 ip4:188.228.89.108 ~all

📨 DMARC

Policy	Record (_dmarc.claustoft.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:claus+aggr@clt.dk; ruf=mailto:claus+forensic@clt.dk; adkim=r; aspf=r; pct=100; rf=afrf; sp=none

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records10 records 40ms

Flags	Tag	Value
0	issue	comodoca.com
0	issue	digicert.com; cansignhttpexchanges=yes
0	issue	letsencrypt.org
0	issue	pki.goog; cansignhttpexchanges=yes
0	issue	ssl.com
0	issuewild	comodoca.com
0	issuewild	digicert.com; cansignhttpexchanges=yes
0	issuewild	letsencrypt.org
0	issuewild	pki.goog; cansignhttpexchanges=yes
0	issuewild	ssl.com

🔗 TLSA / DANE

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

🔐 DNSSEC91ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2411747950
Primary NS (MNAME)	cris.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

55ms

A

60ms

MX

54ms

AAAA

43ms

TXT

269ms

CAA

40ms

HTTPS

53ms

TLSA

98ms

SOA

0ms

MTA-STS

92ms

DNSSEC

91ms

SRV

104ms

Total

1172ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-18 20:57:53	4636ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-08-10 05:24:22	1172ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-29 15:19:47	1118ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-07-16 21:56:05	905ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-26 07:55:54	967ms	2 NS 1 A 1 MX	🔒 Secure	View
2026-06-16 21:11:04	2712ms	2 NS 1 A 1 MX	🔒 Secure	View