czechowski.dk

📜 Historical scan 2026-09-23 21:47:20 · ← Latest scan

⬇ Zone File 📜 Timeline & History ⚡ Scan Now

czechowski.dk is a .dk domain served by 2 nameservers (hugh.ns.cloudflare.com, sue.ns.cloudflare.com). It was registered on 14 February 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.32.246.46 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.czechowski.dk. The zone is not DNSSEC-signed, 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 39ms

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 Records#

1 records 41ms

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	—

📧 MX Records#

1 records 45ms

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 42ms

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 Records#

3 records 117ms

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 Records#

1 records 176ms

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

🧩 Web & zone#

latest probe, not this scan · checked 2026-10-09 03:20:44

www	213.32.246.46 2001:470:dd84:2:44a8:42ff:fe47:596b (AS6939 AS203953) (address records, no CNAME)
www vs bare domain	Same network czechowski.dk: 213.32.246.46 2001:470:dd84:2:44a8:42ff:fe47:596b (AS6939 AS203953) www.czechowski.dk: 213.32.246.46 2001:470:dd84:2:44a8:42ff:fe47:596b (AS6939 AS203953)
Wildcard	No

✍️ DKIM keys#

1 found

Selector	CNAME	Key
dkim	—	RSA · ~2048 bit

DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.

🔎 SPF check#

zone-wide SPF report

DNS lookups: 2/10 · policy: ~all

No problems found

🔏 ACME Challenge#

Type	Name	Value
TXT	_acme-challenge.czechowski.dk	RoG3apjFPUNQ6yDcsQFK_g6xWETVkqgtXwMpM6H2ey0
TXT	_acme-challenge.czechowski.dk	zxVVHTEMnoNhm4cKSCFQgiiWZSUvs1rvJTW7g6rNIlw

🔗 TLSA / DANE#

✗ No TLSA records — DANE not configured for HTTPS (_443) or MX (_25)

🔐 DNSSEC#

123ms

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

🏷️ SOA#

0ms

Field	Value
Serial	2415596281
Primary NS (MNAME)	hugh.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration#

WHOIS fetched 2026-10-06 00:55:13

Field	Value
Registrar	Punktum dk A/S (direct)
Registered	2020-02-14
Expires	2027-02-28 (131d)

📋 WHOIS#

⏱️ Lookup Timing#

39ms

41ms

45ms

AAAA

42ms

TXT

176ms

CAA

44ms

HTTPS

42ms

TLSA

245ms

SOA

0ms

MTA-STS

61ms

DNSSEC

123ms

SRV

117ms

Total

1143ms

🕐 Scan History#

Scanned At	Duration	Records	DNSSEC
2026-10-06 00:49:37	801ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-24 22:22:59	1548ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-23 21:47:20 shown	1143ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-08 03:42:25	886ms	2 NS 1 A 1 MX	🔓 Insecure
2026-09-01 05:10:26	1157ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-27 15:41:24	1176ms	2 NS 1 A 1 MX	🔓 Insecure
2026-08-09 18:09:46	2095ms	2 NS 1 A 1 MX	🔓 Insecure
2026-07-25 17:31:40	1310ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-25 19:57:08	2354ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-24 00:39:24	1183ms	0 NS 0 A 0 MX	❓ Unknown
2026-06-16 23:31:28	2535ms	2 NS 1 A 1 MX	🔓 Insecure
2026-06-16 23:31:04	1653ms	2 NS 1 A 1 MX	🔓 Insecure