doubble.dk DNS records

🖥️ Nameservers2 records 21ms

Nameserver	IP addresses	PTR	ASN / ISP
ariella.ns.cloudflare.com	—	—	—
kayden.ns.cloudflare.com	—	—	—

🌍 A Records2 records 64ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.9	—	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.9	—	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records5 records 64ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
1	—	aspmx.l.google.com	64.233.161.27	lh-in-f27.1e100.net	AS15169 Google LLC
5	—	alt1.aspmx.l.google.com	172.253.158.26	so-in-f26.1e100.net	AS15169 Google LLC
5	—	alt2.aspmx.l.google.com	172.253.158.26	so-in-f26.1e100.net	AS15169 Google LLC
10	—	alt3.aspmx.l.google.com	172.253.158.27	so-in-f27.1e100.net	AS15169 Google LLC
10	—	alt4.aspmx.l.google.com	192.178.230.27	yunrtab-in-f27.1e100.net	AS15169 Google LLC

🔷 AAAA Records (IPv6)2 records 64ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::9	—	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120::/46	—	—
2a06:98c1:3121::9	—	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120::/46	—	—

🔐 HTTPS Records1 records 71ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.9,188.114.97.9 ech=AEX+DQBBTgAgACBkv//ZxP4Vaum9fERkUVoG+f/WeY8RgzuorCx9S5g9PgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::9,2a06:98c1:3121::9

📝 TXT Records4 records 128ms

TXT Record
google-site-verification=MpbBaZCegztJZEEnu8lB9hLxsCy8FXUIyNHS3p-0Zng
google-site-verification=X4Pa6RKB5Kxcfw-fgC-30so5BRF4NnHTkwvAnlGEZYU
have-i-been-pwned-verification=dweb_bfoi5k828cg1bluogm7chqgs
v=spf1 include:_spf.google.com -all

✉️ SPF

Policy	Record (doubble.dk)
-all (hard fail)	v=spf1 include:_spf.google.com -all

📨 DMARC

Policy	Record (_dmarc.doubble.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:06ff55aabbf048c381017dc60c8e3fc9@dmarc-reports.cloudflare.net,mailto:dmarc@doubble.dk

📬 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)

🔐 DNSSEC158ms

Check	Result
Validation Status	🔓 Insecure
AD Flag (resolver validates)	✗ Not set
DS Record	✗ Not found
DNSKEY Record	✗ Not found
Flags	unsigned answer

🏷️ SOA57ms

Field	Value
Serial	2403963393
Primary NS (MNAME)	ariella.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

21ms

A

64ms

MX

64ms

AAAA

64ms

TXT

128ms

CAA

61ms

HTTPS

71ms

TLSA

124ms

SOA

57ms

MTA-STS

32ms

DNSSEC

158ms

SRV

0ms

Total

685ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-28 09:20:29	1234ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-08-27 09:49:34	1016ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-07-25 09:52:23	9621ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-07-13 07:28:18	1437ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-25 13:04:49	1618ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-06-19 20:39:46	3910ms	2 NS 3 A 5 MX	🔓 Insecure	View
2026-06-17 04:21:15	685ms	2 NS 2 A 5 MX	🔓 Insecure	View
2026-06-17 04:20:25	650ms	2 NS 3 A 5 MX	🔓 Insecure	View