crwdxdr.dk DNS records

🖥️ Nameservers2 records 51ms

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 47ms

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 445ms

TXT Record
v=spf1 -all

✉️ SPF

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

📨 DMARC

Policy	Record (_dmarc.crwdxdr.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

🔗 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	2410797356
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

51ms

A

38ms

MX

47ms

AAAA

47ms

TXT

445ms

CAA

50ms

HTTPS

40ms

TLSA

108ms

SOA

0ms

MTA-STS

85ms

DNSSEC

97ms

SRV

80ms

Total

1161ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 04:47:10	1161ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-27 02:56:31	783ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-08-25 11:26:57	956ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-07-31 16:58:57	1382ms	2 NS 0 A 1 MX	❓ Unknown	View
2026-07-16 10:25:06	2020ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-27 06:53:57	1356ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-24 18:24:26	1071ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-23 12:46:36	1152ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-23 04:38:11	917ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 00:58:32	65535ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 23:11:49	324ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 23:11:27	1772ms	2 NS 0 A 1 MX	🔓 Insecure	View
2026-06-16 23:00:59	454ms	2 NS 0 A 1 MX	🔓 Insecure	View