adlercreutz.dk DNS records

🖥️ Nameservers2 records 25ms

Nameserver	IP addresses	PTR	ASN / ISP
chuck.ns.cloudflare.com	108.162.193.86 172.64.33.86 173.245.59.86 2606:4700:58::adf5:3b56 2803:f800:50::6ca2:c156 2a06:98c1:50::ac40:2156	chuck.ns.cloudflare.com chuck.ns.cloudflare.com chuck.ns.cloudflare.com chuck.ns.cloudflare.com chuck.ns.cloudflare.com chuck.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
lana.ns.cloudflare.com	108.162.192.182 172.64.32.182 173.245.58.182 2606:4700:50::adf5:3ab6 2803:f800:50::6ca2:c0b6 2a06:98c1:50::ac40:20b6	lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com lana.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 31ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.79.148	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.146.79	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 32ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mail.coolhand.dk	93.167.225.233	mail.mikrosec.net	AS3292 TDC Holding A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	93.167.225.236
🔶 Autoconfig	93.167.225.236

🔷 AAAA Records (IPv6)2 records 26ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:4f94	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3034::ac43:924f	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=104.21.79.148,172.67.146.79 ech=AEX+DQBBfwAgACA47+Qu+1wObnqFo6Z96p4veA7nvt21jpauabCzfKdMLAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4f94,2606:4700:3034::ac43:924f

🔌 SRV Records1 records 52ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	mail.coolhand.dk

📝 TXT Records1 records 156ms

TXT Record
v=spf1 a ip4:93.167.225.229 mx:mail.coolhand.dk -all

✉️ SPF

Policy	Record (adlercreutz.dk)
-all (hard fail)	v=spf1 a ip4:93.167.225.229 mx:mail.coolhand.dk -all

📨 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)

🔐 DNSSEC98ms

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

🏷️ SOA0ms

Field	Value
Serial	2413287092
Primary NS (MNAME)	chuck.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

25ms

A

31ms

MX

32ms

AAAA

26ms

TXT

156ms

CAA

28ms

HTTPS

25ms

TLSA

55ms

SOA

0ms

MTA-STS

40ms

DNSSEC

98ms

SRV

52ms

Total

542ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 20:45:18	542ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-16 17:50:01	6265ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-08-07 16:53:47	1503ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-21 15:48:05	2249ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-07-10 11:13:40	24941ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-27 21:25:57	911ms	2 NS 2 A 1 MX	🔒 Secure	View
2026-06-16 12:40:05	698ms	2 NS 2 A 1 MX	🔒 Secure	View