dueholmdubbing.dk DNS records

🖥️ Nameservers2 records 29ms

Nameserver	IP addresses	PTR	ASN / ISP
candy.ns.cloudflare.com	108.162.192.79 172.64.32.79 173.245.58.79 2606:4700:50::adf5:3a4f 2803:f800:50::6ca2:c04f 2a06:98c1:50::ac40:204f	candy.ns.cloudflare.com candy.ns.cloudflare.com candy.ns.cloudflare.com candy.ns.cloudflare.com candy.ns.cloudflare.com candy.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
clark.ns.cloudflare.com	108.162.193.87 172.64.33.87 173.245.59.87 2606:4700:58::adf5:3b57 2803:f800:50::6ca2:c157 2a06:98c1:50::ac40:2157	clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com clark.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 36ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.44.94	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.198.130	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 28ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
0	300s	mail.protonmail.ch	176.119.200.128 185.205.70.128 185.70.42.128	mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG
10	300s	mailsec.protonmail.ch	176.119.200.129 185.205.70.129 185.70.42.129	mailsec.protonmail.ch mailsec.protonmail.ch mailsec.protonmail.ch	AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG

🔷 AAAA Records (IPv6)2 records 28ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3033::6815:2c5e	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3033::ac43:c682	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 25ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.44.94,172.67.198.130 ech=AEX+DQBBgQAgACB92BwhmEuJqoQuhfPEk0bOxiFHjsBjkbC7eU2Nq31uJwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:2c5e,2606:4700:3033::ac43:c682

📝 TXT Records3 records 131ms

TXT Record
MS=ms89713990
protonmail-verification=c199f75b486c37cd30cb19b7574c2eb8476e0753
v=spf1 ip4:168.119.144.139 include:_spf.protonmail.ch +mx +a ~all

✉️ SPF

Policy	Record (dueholmdubbing.dk)
~all (soft fail)	v=spf1 ip4:168.119.144.139 include:_spf.protonmail.ch +mx +a ~all

📨 DMARC

Policy	Record (_dmarc.dueholmdubbing.dk)
p=quarantine	v=DMARC1; p=quarantine

📬 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 / DANE4 records 64ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mail.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	76BB66711DA416433CA890A5B2E5A053…

🔐 DNSSEC106ms

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

🏷️ SOA0ms

Field	Value
Serial	2413555241
Primary NS (MNAME)	candy.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

29ms

A

36ms

MX

28ms

AAAA

28ms

TXT

131ms

CAA

24ms

HTTPS

25ms

TLSA

64ms

SOA

0ms

MTA-STS

42ms

DNSSEC

106ms

SRV

47ms

Total

614ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-30 16:54:30	614ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-29 15:21:46	2187ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-28 07:11:34	1064ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-26 14:30:01	1067ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-08-20 16:18:49	2838ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-07-02 09:46:02	2118ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-22 20:57:35	920ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-22 05:16:40	877ms	2 NS 2 A 2 MX	🔓 Insecure	View
2026-06-17 04:55:25	716ms	2 NS 2 A 2 MX	🔓 Insecure	View