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81
Total
90
DNS
70
Email
77
Security
50
Network
100
Availability
Domaincsfd.cz
IPv41
IPv60
MX records2
StatusActive
Domain technical report

Making sure you're not a bot!

csfd.cz

Generated: 2026-08-10T23:09:26-05:00 · Cached result

JSONCSVPDFVisit site
IPv41
IPv60
MX2
NS3

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

!
IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

3 NS record(s); 2 or more required.

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

✓
DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

✓
CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

2 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

!
DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

53 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers12 / 35 pts · Security

3 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: www.csfd.cz

i
IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

!
IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓
DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

✓
HTTP response40 / 40 pts · Availability

HTTP/2 200

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)
93.185.98.100

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
10 mx.vshosting.eu.
5 mx.vshosting.cloud.

TXT

2 record(s)
"google-site-verification=u4r1uHe-PP9Ky67nt3kAj9HAGUnL79eyph68lm7EP1E"
"v=spf1 mx a ip4:93.185.98.143 ip4:93.185.98.144 ip4:93.185.98.145 include:_spf.vshosting.cloud -all"

NS

3 record(s)
ns.vshosting.eu.
ns.vshosting.cloud.
ns.vshosting.cz.

SOA

1 record(s)
ns1.vshosting.cz. tech.vshosting.cz. 2026080601 43200 3600 1209600 86400

CAA

4 record(s)
0 issue "amazon.com"
0 issue "letsencrypt.org"
0 issue "sectigo.com"
0 iodef "mailto:security@csfd.cz"

DS

1 record(s)
28635 13 2 2FDBC4406DF1DA8DB7D0A9EEFE47A44A8813701BC10908FE19ECE04F CDE38E3F

DNSKEY

1 record(s)
257 3 13 /7wUNxXFMiyGsMDPd5Um+GEW7tvNV8TNxZ9vuOipFwWlyxN9Akd+OLlK 1ua2hMJ7BEJnV9wg1BPNNnre2qmRMw==

RRSIG

3 record(s)
DS 13 2 3600 20260823054724 20260809041724 5166 cz. /wTGBEOIvPwynP+FMept39HNMilpkr0E3v/D3dcMW9a8EKDqznucuPRC P0MnEsKZaD+OybQKynhIJouuxYvjlA==
DNSKEY 13 2 86400 20260820000000 20260730000000 28635 csfd.cz. Cy9j/g4J3ICoh09BbcoJ7sqTFaaH1TrTuWzEPfH5OQCpx+wh7bOnYyNR tV43HirppcT4Llxa7NcdLoXzehQClw==
CAA 13 2 3600 20260820000000 20260730000000 28635 csfd.cz. uTV3qzNtJC1HiYc1DOjl8UUtp8STBJTkXLJRWYBVELbuOsjfwo6lEMF/ 9Y9cfgNQ/sGU2OVjkTwKfDIOJ0SjgQ==

NSEC

0 record(s)
—

Not configured

NSEC3

0 record(s)
—

Not configured

SRV

0 record(s)
—

Not configured

NAPTR

0 record(s)
—

Not configured

TLSA

0 record(s)
—

Not configured

SSHFP

0 record(s)
—

Not configured

SPF

Configured
v=spf1 mx a ip4:93.185.98.143 ip4:93.185.98.144 ip4:93.185.98.145 include:_spf.vshosting.cloud -all

DMARC

Configured
v=DMARC1; p=reject; adkim=r; aspf=r; rua=mailto:postmaster@csfd.cz; ri=604800;

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Making sure you're not a bot!
Description
Final URL
https://csfd.cz/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.csfd.cz/
Version
3
Server
nginx
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Sectigo Limited
CN
*.csfd.cz
Valid from
2025-10-02T19:00:00-05:00
Valid until
2026-10-03T18:59:59-05:00
Days remaining
53
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

3 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
✓
X-Content-Type-OptionsImplemented
—
X-Frame-OptionsNot detected
✓
Referrer PolicyImplemented
—
Permissions PolicyNot detected
—
Cross-Origin-Opener-PolicyNot detected
—
Cross-Origin-Embedder-PolicyNot detected
—
Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
93.185.98.100
133,26 ms
Cloudflare
1.1.1.1
93.185.98.100
46,34 ms
Quad9
9.9.9.9
93.185.98.100
268,50 ms
OpenDNS
208.67.222.222
93.185.98.100
418,08 ms
AdGuard
94.140.14.14
93.185.98.100
351,58 ms

IP, geolocation and ASNAssociated network information

93.185.98.100

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

mx.vshosting.eu

Port 25: Closed/unreachable - 25.6 ms - 
Port 465: Closed/unreachable - 4044.8 ms - 
Port 587: Closed/unreachable - 4008.3 ms -

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