crowdstrike.dk

📜 Historical scan 2026-09-08 19:02:35 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

crowdstrike.dk is a .dk domain served by 2 nameservers (eric.ns.cloudflare.com, kay.ns.cloudflare.com). It was registered on 18 January 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by inbound-smtp.us-east-1.amazonaws.com. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 12ms

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 Records#

1 records 45ms

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 Records#

1 records 213ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-12 19:07:22

www	NXDOMAIN
www vs bare domain	Neither resolves crowdstrike.dk: no address www.crowdstrike.dk: no address
Wildcard	No

🔎 SPF check#

zone-wide SPF report

DNS lookups: 0/10 · policy: -all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.crowdstrike.dk	gzTZKOXncVNknqrBs9iPheBD2m-gdU3TJSXAHFWIHw8
TXT	_acme-challenge.crowdstrike.dk	VS9T-f-fkUDk64VsxWP_T7RB-xugF1fWCScuhR8THlA

🔗 TLSA / DANE#

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

🔐 DNSSEC#

167ms

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

🏷️ SOA#

8ms

Field	Value
Serial	2414316923
Primary NS (MNAME)	eric.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-07 09:16:38

Field	Value
Registrar	CSC Digital Brand Service, Inc
Registered	2016-01-18
Expires	2027-01-31 (104d)

📋 WHOIS#

⏱️ Lookup Timing#

12ms

33ms

45ms

AAAA

7ms

TXT

213ms

CAA

9ms

HTTPS

59ms

TLSA

116ms

SOA

8ms

MTA-STS

85ms

DNSSEC

167ms

SRV

0ms

Total

1974ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-03 06:36:30	900ms	6 NS 0 A 1 MX	🔓 Insecure
2026-09-30 18:26:23	1712ms	6 NS 0 A 1 MX	🔓 Insecure
2026-09-27 23:57:32	9621ms	6 NS 0 A 1 MX	🔓 Insecure
2026-09-20 01:58:50	1459ms	6 NS 0 A 1 MX	🔓 Insecure
2026-09-12 20:00:21	2207ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-08 19:02:35 shown	1974ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-07 23:15:33	1483ms	2 NS 0 A 1 MX	🔓 Insecure
2026-09-03 12:31:39	2549ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-29 21:49:38	1160ms	2 NS 0 A 1 MX	🔓 Insecure
2026-08-26 04:32:52	1237ms	2 NS 0 A 1 MX	🔓 Insecure
2026-07-31 05:07:30	2264ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-29 14:59:14	1192ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-28 07:28:40	6173ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-22 22:47:05	1194ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-17 01:33:50	61093ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-16 23:09:15	416ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-16 23:06:03	1627ms	2 NS 0 A 1 MX	🔓 Insecure
2026-06-16 23:00:55	493ms	2 NS 0 A 1 MX	🔓 Insecure