doubt.dk DNS records

🖥️ Nameservers2 records 23ms

Nameserver	IP addresses	PTR	ASN / ISP
brian.ns.cloudflare.com	108.162.195.36 162.159.44.36 172.64.35.36 2606:4700:58::a29f:2c24 2803:f800:50::6ca2:c324 2a06:98c1:50::ac40:2324	brian.ns.cloudflare.com brian.ns.cloudflare.com brian.ns.cloudflare.com brian.ns.cloudflare.com brian.ns.cloudflare.com brian.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
kara.ns.cloudflare.com	108.162.192.123 172.64.32.123 173.245.58.123 2606:4700:50::adf5:3a7b 2803:f800:50::6ca2:c07b 2a06:98c1:50::ac40:207b	kara.ns.cloudflare.com kara.ns.cloudflare.com kara.ns.cloudflare.com kara.ns.cloudflare.com kara.ns.cloudflare.com kara.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 22ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
87.62.98.136	300s	0x573e6288.static.cust.fastspeed.dk	AS3292	TDC Holding A/S	87.62.0.0/15	🇩🇰 Denmark	Fredericia

📧 MX Records

📧

No MX records found

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	194.132.215.75
🔶 Autoconfig	194.132.215.75

🔷 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

Policy	Record (_dmarc.doubt.dk)
p=none (monitor only)	v=DMARC1; p=none; rua=mailto:e4f1ae625e134b36bd3947da7d9362c3@dmarc-reports.cloudflare.net

📬 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)

🔐 DNSSEC96ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2413402500
Primary NS (MNAME)	brian.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

23ms

A

22ms

MX

31ms

AAAA

31ms

TXT

163ms

CAA

26ms

HTTPS

44ms

TLSA

82ms

SOA

0ms

MTA-STS

49ms

DNSSEC

96ms

SRV

53ms

Total

497ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 02:02:25	497ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-27 23:24:16	500ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-26 22:29:42	9540ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-22 09:33:04	4185ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-08-09 15:46:24	3241ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-07-16 19:56:12	8818ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-27 05:47:02	1133ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-17 04:30:39	365ms	2 NS 1 A 0 MX	🔒 Secure	View
2026-06-17 04:20:34	384ms	2 NS 1 A 0 MX	🔒 Secure	View