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67
Total
70
DNS
25
Email
77
Security
50
Network
100
Availability
Domaine15.cz
IPv41
IPv60
MX records0
StatusActive
Domain technical report

e15.cz - Ekonomika, byznys, finance a geopolitika

e15.cz

Ekonomické zprávy a hospodářské analýzy, události a novinky ze světa byznysu, financí, burzy a trhů. Aktuální informace čtěte na webu e15.cz.

Generated: 2026-08-11T13:24:47-05:00 · Cached result

JSONCSVPDFVisit site
IPv41
IPv60
MX0
NS2

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

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

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

!
DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

!
MX records0 / 20 pts · Mail

0 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

!
DMARC0 / 25 pts · Mail

DMARC policy not found.

!
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

88 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: 91-235-52-181.rev.rintech.sk

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)
91.235.52.181

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

0 record(s)
—

Not configured

TXT

3 record(s)
"v=spf1 -all"
"facebook-domain-verification=f0hxnort2537cuig0zv57f3803drz5"
"google-site-verification=kLgHmalm2lavp6DhkNzOYh7SrIZRFctwUE7uOHTqk8c"

NS

2 record(s)
rick.ns.cloudflare.com.
josephine.ns.cloudflare.com.

SOA

1 record(s)
josephine.ns.cloudflare.com. dns.cloudflare.com. 2410526450 10000 2400 604800 1800

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

0 record(s)
—

Not configured

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 -all

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
e15.cz - Ekonomika, byznys, finance a geopolitika
Description
Ekonomické zprávy a hospodářské analýzy, události a novinky ze světa byznysu, financí, burzy a trhů. Aktuální informace čtěte na webu e15.cz.
Final URL
https://www.e15.cz/
HTTP status
200

HTTP

Status
HTTP/2 200
Final URL
https://www.e15.cz/
Version
3
Server
BigIP
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
*.e15.cz
Valid from
2026-08-10T07:50:13-05:00
Valid until
2026-11-08T06:50:12-06:00
Days remaining
88
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

3 active
—
HSTSNot detected
✓
Content Security PolicyImplemented
✓
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
91.235.52.181
105,82 ms
Cloudflare
1.1.1.1
91.235.52.181
35,30 ms
Quad9
9.9.9.9
91.235.52.181
256,12 ms
OpenDNS
208.67.222.222
91.235.52.181
106,74 ms
AdGuard
94.140.14.14
91.235.52.181
279,54 ms

IP, geolocation and ASNAssociated network information

91.235.52.181

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

e15.cz

Port 25: Closed/unreachable - 0.7 ms - 
Port 465: Closed/unreachable - 139 ms - 
Port 587: Closed/unreachable - 139.1 ms -

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