czechowski.dk DNS records

🖥️ Nameservers2 records 50ms

Nameserver	IP addresses	PTR	ASN / ISP
hugh.ns.cloudflare.com	108.162.193.117 172.64.33.117 173.245.59.117 2606:4700:58::adf5:3b75 2803:f800:50::6ca2:c175 2a06:98c1:50::ac40:2175	hugh.ns.cloudflare.com hugh.ns.cloudflare.com hugh.ns.cloudflare.com hugh.ns.cloudflare.com hugh.ns.cloudflare.com hugh.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
sue.ns.cloudflare.com	108.162.192.145 172.64.32.145 173.245.58.145 2606:4700:50::adf5:3a91 2803:f800:50::6ca2:c091 2a06:98c1:50::ac40:2091	sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com sue.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records1 records 38ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
213.32.246.46	300s	xd520f62e.customers.hiper-net.dk	AS203953	Hiper A/S	213.32.240.0/21	🇩🇰 Denmark	Valby

📧 MX Records1 records 50ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mail.czechowski.dk	195.201.41.103 2a01:4f8:c2c:9613::1	hermes.oal.me hermes.oal.me	AS24940 Hetzner Online GmbH AS24940 Hetzner Online GmbH

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	mail.czechowski.dk → 195.201.41.103
🔶 Autoconfig	mail.czechowski.dk → 195.201.41.103

🔷 AAAA Records (IPv6)1 records 39ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2001:470:dd84:2:44a8:42ff:fe47:596b	300s	—	AS6939	Hurricane Electric LLC	2001:470:8000:0:0:0:0:0/33	🇨🇦 Canada	—

🔐 HTTPS Records

✗ No HTTPS RR — no SVCB/HTTPS service binding

🔌 SRV Records3 records 107ms

Service	Weight	Port	Target
_autodiscover._tcp	1	443	mail.czechowski.dk
_imap._tcp	1	143	mail.czechowski.dk
_imaps._tcp	1	993	mail.czechowski.dk

📝 TXT Records1 records 188ms

TXT Record
v=spf1 mx a ~all

✉️ SPF

Policy	Record (czechowski.dk)
~all (soft fail)	v=spf1 mx a ~all

📨 DMARC

Policy	Record (_dmarc.czechowski.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:mailauth-reports@oal.me

📬 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)

🔐 DNSSEC90ms

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	2411598222
Primary NS (MNAME)	hugh.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

50ms

A

38ms

MX

50ms

AAAA

39ms

TXT

188ms

CAA

54ms

HTTPS

60ms

TLSA

86ms

SOA

0ms

MTA-STS

77ms

DNSSEC

90ms

SRV

107ms

Total

1157ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-09-01 05:10:26	1157ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-27 15:41:24	1176ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-08-09 18:09:46	2095ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-07-25 17:31:40	1310ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-25 19:57:08	2354ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-24 00:39:24	1183ms	0 NS 0 A 0 MX	❓ Unknown	View
2026-06-16 23:31:28	2535ms	2 NS 1 A 1 MX	🔓 Insecure	View
2026-06-16 23:31:04	1653ms	2 NS 1 A 1 MX	🔓 Insecure	View