df-u.dk DNS records

🖥️ Nameservers2 records 101ms

Nameserver	IP addresses	PTR	ASN / ISP
clara.ns.cloudflare.com	108.162.194.219 162.159.38.219 172.64.34.219 2606:4700:50::a29f:26db 2803:f800:50::6ca2:c2db 2a06:98c1:50::ac40:22db	clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com clara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
mark.ns.cloudflare.com	108.162.193.130 172.64.33.130 173.245.59.130 2606:4700:58::adf5:3b82 2803:f800:50::6ca2:c182 2a06:98c1:50::ac40:2182	mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.ns.cloudflare.com mark.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)

🔐 DNSSEC160ms

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

101ms

A

86ms

MX

97ms

AAAA

102ms

TXT

291ms

CAA

95ms

HTTPS

103ms

TLSA

30ms

SOA

21ms

MTA-STS

144ms

DNSSEC

160ms

SRV

15533ms

Total

16496ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-23 19:43:10	5634ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-22 18:15:52	3569ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-21 17:58:49	8395ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-20 17:53:50	44674ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-19 16:06:25	4390ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-18 16:02:02	7038ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-17 01:48:32	4358ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-15 16:40:32	16914ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-14 10:42:37	16496ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-13 07:12:13	7968ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-09 12:43:52	3457ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-08 05:04:09	16973ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-08-02 14:51:55	10715ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-31 21:37:35	1124ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-28 21:25:51	12929ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-27 15:03:30	24905ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-26 14:51:47	17678ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-25 14:36:18	10925ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-24 14:18:29	33472ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-23 09:51:54	33334ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-22 05:45:47	41785ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-21 03:06:20	25609ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-19 09:43:08	17669ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-18 03:22:31	4525ms	2 NS 0 A 0 MX	❓ Unknown	View
2026-07-16 06:39:52	17581ms	2 NS 0 A 0 MX	❓ Unknown	View