retzef.dk DNS records

🖥️ Nameservers2 records 49ms

Nameserver	IP addresses	PTR	ASN / ISP
pearl.ns.cloudflare.com	108.162.194.140 162.159.38.140 172.64.34.140 2606:4700:50::a29f:268c 2803:f800:50::6ca2:c28c 2a06:98c1:50::ac40:228c	pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com pearl.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sid.ns.cloudflare.com	108.162.193.143 172.64.33.143 173.245.59.143 2606:4700:58::adf5:3b8f 2803:f800:50::6ca2:c18f 2a06:98c1:50::ac40:218f	sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.ns.cloudflare.com sid.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
104.21.26.77	300s	—	AS13335	Cloudflare, Inc.	104.21.0.0/17	—	—
172.67.135.160	300s	—	AS13335	Cloudflare, Inc.	172.67.128.0/17	—	—

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	gw.swat.dk	136.144.183.154	gw.swat.dk	AS20857 Signet B.V.

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mail.retzef.dk → 149.210.172.243
🔶 Autoconfig	mail.retzef.dk → 149.210.172.243

🔷 AAAA Records (IPv6)2 records 56ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2606:4700:3035::6815:1a4d	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—
2606:4700:3037::ac43:87a0	300s	—	AS13335	Cloudflare, Inc.	2606:4700:3000:0:0:0:0:0/42	—	—

🔐 HTTPS Records1 records 50ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=104.21.26.77,172.67.135.160 ech=AEX+DQBBOQAgACDReRiOW+HwoQUTXzsusmUib7wRjR/raK7KozQJ3xIlTQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:1a4d,2606:4700:3037::ac43:87a0

🔌 SRV Records1 records 84ms

Service	Priority	Weight	Port	Target
_autodiscover._tcp	0	0	443	mail.retzef.dk

📝 TXT Records1 records 266ms

TXT Record
v=spf1 a:mail.pmoxadm.dk ip4:149.210.172.243 include:_spf.transip.email ~all

✉️ SPF

Policy	Record (retzef.dk)
~all (soft fail)	v=spf1 a:mail.pmoxadm.dk ip4:149.210.172.243 include:_spf.transip.email ~all

📨 DMARC

Policy	Record (_dmarc.retzef.dk)
p=reject	v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:dmarc@retzef.dk; ruf=mailto:dmarc@retzef.dk; fo=1

📬 MTA-STS215ms

Check	Result
Status	⚠️ Invalid
TXT record (_mta-sts)	✓ Found
HTTPS policy	✗ Missing / invalid
Policy ID	20260818
Policy MX	—

📈 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)

🔐 DNSSEC9127ms

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	2412537552
Primary NS (MNAME)	pearl.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

49ms

A

65ms

MX

50ms

AAAA

56ms

TXT

266ms

CAA

65ms

HTTPS

50ms

TLSA

130ms

SOA

0ms

MTA-STS

215ms

DNSSEC

9127ms

SRV

84ms

Total

9819ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-27 12:52:53	9819ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-18 17:13:55	3195ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-08-08 07:29:37	1033ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-07-11 11:13:41	1305ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-25 19:05:41	4015ms	2 NS 2 A 1 MX	🔓 Insecure	View
2026-06-17 11:36:22	1136ms	2 NS 2 A 1 MX	🔓 Insecure	View