reffix.dk

📜 Historical scan 2026-09-26 15:40:34 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

reffix.dk is a .dk domain served by 2 nameservers (coen.ns.cloudflare.com, nora.ns.cloudflare.com). It was registered on 27 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.86.231 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.

🖥️ Nameservers#

2 records 33ms

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 Records#

2 records 41ms

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 Records#

2 records 46ms

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 36ms

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 Records#

1 records 42ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.86.231,172.67.137.152 ech=AEX+DQBBwwAgACDJRLwfHroIIIumGYwv7zqXmjAANRm4xp/27A20HNphHAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:56e7,2606:4700:3036::ac43:8998

📝 TXT Records#

2 records 200ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-13 14:27:03

www	104.21.86.231 172.67.137.152 2606:4700:3031::6815:56e7 2606:4700:3036::ac43:8998 (AS13335) (address records, no CNAME)
www vs bare domain	Same network reffix.dk: 104.21.86.231 172.67.137.152 2606:4700:3031::6815:56e7 2606:4700:3036::ac43:8998 (AS13335) www.reffix.dk: 104.21.86.231 172.67.137.152 2606:4700:3031::6815:56e7 2606:4700:3036::ac43:8998 (AS13335)
Wildcard	No
Denial of existence	Compact NSEC (RFC 9824, "black lies") not walkable
CDS / CDNSKEY	Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔗 TLSA / DANE#

4 records 63ms

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…

🔐 DNSSEC#

66ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415788689
Primary NS (MNAME)	coen.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-13 14:47:47

Field	Value
Registrar	ONE.COM A/S
Registered	2026-04-27
Expires	2027-04-26 (189d)

📋 WHOIS#

⏱️ Lookup Timing#

33ms

41ms

46ms

AAAA

36ms

TXT

200ms

CAA

42ms

HTTPS

42ms

TLSA

63ms

SOA

0ms

MTA-STS

64ms

DNSSEC

66ms

SRV

64ms

Total

660ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-13 14:27:02	2741ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-08 07:02:00	1220ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-04 16:47:14	1897ms	2 NS 2 A 2 MX	🔒 Secure
2026-10-01 16:34:25	1205ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-26 15:40:34 shown	660ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-25 14:23:05	1118ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-22 01:45:46	2012ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-16 15:48:54	1464ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-12 03:32:55	1424ms	2 NS 2 A 2 MX	🔒 Secure
2026-09-06 13:01:12	1271ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-27 19:43:57	957ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-26 18:28:31	674ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-24 03:12:55	1728ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-21 00:02:27	1693ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-18 22:16:13	15309ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-08 20:03:25	1503ms	2 NS 2 A 2 MX	🔒 Secure
2026-08-02 07:51:31	1098ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-25 11:05:38	1934ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-24 09:45:24	2461ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-18 00:57:32	996ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-15 18:48:59	2355ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-14 11:09:32	9338ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-12 21:44:37	9259ms	2 NS 2 A 2 MX	🔒 Secure
2026-07-10 09:26:15	2502ms	2 NS 2 A 2 MX	🔒 Secure
2026-06-27 05:59:49	665ms	2 NS 2 A 0 MX	🔓 Insecure