reffix.dk DNS records

🖥️ Nameservers2 records 69ms

Nameserver	IP addresses	PTR	ASN / ISP
coen.ns.cloudflare.com	108.162.195.151 162.159.44.151 172.64.35.151 2606:4700:58::a29f:2c97 2803:f800:50::6ca2:c397 2a06:98c1:50::ac40:2397	coen.ns.cloudflare.com coen.ns.cloudflare.com coen.ns.cloudflare.com coen.ns.cloudflare.com coen.ns.cloudflare.com coen.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
nora.ns.cloudflare.com	108.162.192.213 172.64.32.213 173.245.58.213 2606:4700:50::adf5:3ad5 2803:f800:50::6ca2:c0d5 2a06:98c1:50::ac40:20d5	nora.ns.cloudflare.com nora.ns.cloudflare.com nora.ns.cloudflare.com nora.ns.cloudflare.com nora.ns.cloudflare.com nora.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 65ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
104.21.86.231	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.137.152	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records2 records 62ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	120s	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
20	120s	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 45ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3031::6815:56e7	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3036::ac43:8998	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 58ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.86.231,172.67.137.152 ech=AEX+DQBB7wAgACBE1Eqlr/7DkDPvKduVzDj+mly51qFBYNzqLjPAl1sZfQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:56e7,2606:4700:3036::ac43:8998

📝 TXT Records2 records 219ms

TXT Record
protonmail-verification=3854c1e36a585d27d214923851bf6b847cf2bb9f
v=spf1 include:_spf.protonmail.ch ~all

✉️ SPF

Policy	Record (reffix.dk)
~all (soft fail)	v=spf1 include:_spf.protonmail.ch ~all

📨 DMARC

Policy	Record (_dmarc.reffix.dk)
p=quarantine	v=DMARC1; p=quarantine; rua=mailto:5cd30cc62def42b692c8aac3b5adb16b@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 / DANE4 records 120ms

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	76BB66711DA416433CA890A5B2E5A053…
SMTP _25._tcp.mailsec.protonmail.ch	DANE-EE · SPKI · SHA-256	6111A5698D23C89E09C36FF833C1487E…

🔐 DNSSEC102ms

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

🏷️ SOA0ms

Field	Value
Serial	2413203847
Primary NS (MNAME)	coen.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

69ms

A

65ms

MX

62ms

AAAA

45ms

TXT

219ms

CAA

54ms

HTTPS

58ms

TLSA

120ms

SOA

0ms

MTA-STS

86ms

DNSSEC

102ms

SRV

93ms

Total

957ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 19:43:57	957ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-26 18:28:31	674ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-24 03:12:55	1728ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-21 00:02:27	1693ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-18 22:16:13	15309ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-08 20:03:25	1503ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-08-02 07:51:31	1098ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-25 11:05:38	1934ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-24 09:45:24	2461ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-18 00:57:32	996ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-15 18:48:59	2355ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-14 11:09:32	9338ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-12 21:44:37	9259ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-07-10 09:26:15	2502ms	2 NS 2 A 2 MX	🔒 Secure	View
2026-06-27 05:59:49	665ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-24 08:34:02	3677ms	2 NS 2 A 0 MX	❓ Unknown	View
2026-06-23 15:57:13	939ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-21 19:18:13	1989ms	2 NS 2 A 0 MX	🔓 Insecure	View
2026-06-21 12:41:58	1062ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-17 13:04:26	925ms	2 NS 2 A 0 MX	🔓 Insecure	View