challenges.dk DNS records

🖥️ Nameservers2 records 125ms

Nameserver	IP addresses	PTR	ASN / ISP
lakas.ns.cloudflare.com	108.162.193.194 172.64.33.194 173.245.59.194 2606:4700:58::adf5:3bc2 2803:f800:50::6ca2:c1c2 2a06:98c1:50::ac40:21c2	lakas.ns.cloudflare.com lakas.ns.cloudflare.com lakas.ns.cloudflare.com lakas.ns.cloudflare.com lakas.ns.cloudflare.com lakas.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
rosemary.ns.cloudflare.com	108.162.194.77 162.159.38.77 172.64.34.77 2606:4700:50::a29f:264d 2803:f800:50::6ca2:c24d 2a06:98c1:50::ac40:224d	rosemary.ns.cloudflare.com rosemary.ns.cloudflare.com rosemary.ns.cloudflare.com rosemary.ns.cloudflare.com rosemary.ns.cloudflare.com rosemary.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

📧

No MX records found

🔷 AAAA Records (IPv6)

✗ No AAAA records — IPv6 not configured

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

📝 TXT Records

📝

No TXT records found

✉️ SPF

✗ No SPF record — mail spoofing not restricted

📨 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)

🔐 DNSSEC212ms

Check	Result
Validation Status	❓ Unknown
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	resolution failed: failure

🏷️ SOA

✗ No SOA record found

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

125ms

A

146ms

MX

148ms

AAAA

147ms

TXT

536ms

CAA

134ms

HTTPS

140ms

TLSA

38ms

SOA

45ms

MTA-STS

58ms

DNSSEC

212ms

SRV

16050ms

Total

17059ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-24 05:07:34	7074ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-23 04:56:36	17939ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-22 04:44:25	11215ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-21 04:31:26	11070ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-20 04:25:01	6830ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-19 04:04:41	27121ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-18 01:54:26	4300ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-14 18:03:02	11575ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-13 04:32:34	11312ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-11 18:50:55	2880ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-10 04:28:20	17693ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-07 23:11:36	3596ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-03 14:30:06	12599ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-28 05:01:41	2704ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-27 05:00:04	5173ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-26 04:51:54	17096ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 04:15:25	13234ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 03:50:33	17059ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-23 03:32:22	33561ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-22 01:46:24	9061ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-20 17:12:55	17039ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-19 11:10:16	17653ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-18 10:26:30	7494ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-17 00:29:32	17790ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-15 09:54:12	11010ms	2 NS 0 A 0 MX	❓ Unknown	View