crowdstrike.dk DNS records

🖥️ Nameservers2 records 36ms

Nameserver	IP addresses	PTR	ASN / ISP
eric.ns.cloudflare.com	108.162.193.112 172.64.33.112 173.245.59.112 2606:4700:58::adf5:3b70 2803:f800:50::6ca2:c170 2a06:98c1:50::ac40:2170	eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com eric.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kay.ns.cloudflare.com	108.162.192.125 172.64.32.125 173.245.58.125 2606:4700:50::adf5:3a7d 2803:f800:50::6ca2:c07d 2a06:98c1:50::ac40:207d	kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com kay.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records

🌍

No A records found

📧 MX Records1 records 37ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	inbound-smtp.us-east-1.amazonaws.com	3.211.210.226 44.206.9.87 44.210.166.32 54.164.173.191 54.197.5.236	ec2-3-211-210-226.compute-1.amazonaws.com ec2-44-206-9-87.compute-1.amazonaws.com ec2-44-210-166-32.compute-1.amazonaws.com ec2-54-164-173-191.compute-1.amazonaws.com ec2-54-197-5-236.compute-1.amazonaws.com	AS14618 Amazon.com, Inc. AS14618 Amazon.com, Inc. AS14618 Amazon.com, Inc. AS14618 Amazon.com, Inc. AS14618 Amazon.com, Inc.

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records1 records 504ms

TXT Record
v=spf1 -all

✉️ SPF

Policy	Record (crowdstrike.dk)
-all (hard fail)	v=spf1 -all

📨 DMARC

Policy	Record (_dmarc.crowdstrike.dk)
p=reject	v=DMARC1; p=reject; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com;

📬 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.crowdstrike.dk	Bw_Do2keuTDb5nqCnm-hZ1esivXfkABIf7bpZv8tMhA
TXT	_acme-challenge.crowdstrike.dk	eELRkZF8sVCcfUOoEn8Te1NyUwQU5YmZ-_R_p1e4hu4

🔗 TLSA / DANE

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

🔐 DNSSEC97ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: ncache nxrrset

🏷️ SOA0ms

Field	Value
Serial	2413466959
Primary NS (MNAME)	eric.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

36ms

A

29ms

MX

37ms

AAAA

33ms

TXT

504ms

CAA

33ms

HTTPS

36ms

TLSA

85ms

SOA

0ms

MTA-STS

50ms

DNSSEC

97ms

SRV

49ms

Total

1160ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-29 21:49:38	1160ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-26 04:32:52	1237ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-31 05:07:30	2264ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-29 14:59:14	1192ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-28 07:28:40	6173ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-22 22:47:05	1194ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 01:33:50	61093ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 23:09:15	416ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 23:06:03	1627ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 23:00:55	493ms	2 NS 0 A 1 MX	🔓 Insecure	View