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92
Total
100
DNS
70
Email
92
Security
100
Network
100
Availability
Domainnovinky.cz
IPv42
IPv62
MX records2
StatusActive
Domain technical report

Novinky.cz - nejčtenější zprávy na českém internetu

novinky.cz

Nejnovější zprávy z domova i ze světa na jednom místě. Novinky, mimořádné události, aktuální témata. Online zpravodajství na Novinky.cz.

Generated: 2026-08-10T01:21:01-05:00 · Cached result

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IPv42
IPv62
MX2
NS2

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

2 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

2 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 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

63 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers27 / 35 pts · Security

7 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: www.novinky.cz

✓
IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓
IPv6 connectivity35 / 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

2 record(s)
77.75.76.151
77.75.78.151

AAAA

2 record(s)
2a02:598:a::78:151
2a02:598:2::151

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
20 1e37bd9dc45a506b.mx2.emailprofi.seznam.cz.
10 1e37bd9dc45a506b.mx1.emailprofi.seznam.cz.

TXT

4 record(s)
"v=spf1 include:spf.szn.cz include:spf.protection.outlook.com -all"
"google-site-verification=Vv6xOBfm70C5cbyid1pne3Vcba5Lida4oKoqRub7FmY"
"google-site-verification=ilolzEDpzLMIvlrc5d-Ircf77JpqXST0seyYOVjNdMk"
"apple-domain-verification=fG4M44rKzvWvLvIo"

NS

2 record(s)
ans.seznam.cz.
ams.seznam.cz.

SOA

1 record(s)
ans.seznam.cz. hostmaster.seznam.cz. 1786341912 900 300 604800 300

CAA

2 record(s)
0 iodef "mailto:abuse-caa@firma.seznam.cz"
0 issue "letsencrypt.org;validationmethods=dns-01"

DS

1 record(s)
17537 13 2 A69F38CC753A57ED305333E7369CE359EF4D789319D58E8C9F06A054 523BB2E5

DNSKEY

2 record(s)
256 3 13 n1fwSpmRelHZRu7yMp/6mKUGarUQp7fl8D6XaBWiMYvAx1f2GNM2hmwG bIq7yS2VmAl0ijAF/iZBV3XWOPX2sw==
257 3 13 vd3QlFlnm/D8sNjLAFTt/nEHKjUtfgnS5LAR2UtmQI9fWYiU1WuD7HKg 7MuixDaQDsFQGEp24ksz8P2yvpet7g==

RRSIG

6 record(s)
DNSKEY 13 2 300 20260820000000 20260730000000 17537 novinky.cz. W/mAx2rGuMZbO5iXCuehj5eSatA8cy1K6tZUqI0GsbAmr6Gc3Qv6NyF7 4rzQ5s/Wj3ygA7b9i1jEB9xW1E85tA==
NS 13 2 3600 20260820000000 20260730000000 36800 novinky.cz. sMdX85npgHegaedfZP25PpRFA2dLllfaoEKPBxsG9tz3Egf6g4p4qXJZ 4klR0Q6WV6ZnMvzkROOW33W2sQuT3A==
MX 13 2 3600 20260820000000 20260730000000 36800 novinky.cz. vMFKnW9pd38EzCKGX1GbxxaVgrZWa2uYKLvfA75tcGVmSkTIHMLSA+kH w58CLxXr+ztbccTo6xXt6x7XZlYIbQ==
A 13 2 3600 20260820000000 20260730000000 36800 novinky.cz. SkjGglp8JhvjEc/CVy2dGVE12D27kVmdX/k5q8d+crTudQ7o0PP72eSj +rsQ5dmKGg6BdsaaH+erG1EgPrxFBA==
DS 13 2 3600 20260823054724 20260809041724 5166 cz. 5CYNslevaCROlvsmiN0KVJp+0yiwqDCjqa2Z0qGfyZi6N9dH+ugYtaH7 MeXBxrfsnX/aOdnq4Z9o6DQJHCu8Jg==
CAA 13 2 3600 20260820000000 20260730000000 36800 novinky.cz. CQo23sybUrCzXtvAmb5ZZqZ8Cjumc2YeNeOC1ISUs8E1+hTyt0ewwmB2 iBLMm58X97DVqc4UnhZ5bEdNgAlS+A==

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 include:spf.szn.cz include:spf.protection.outlook.com -all

DMARC

Configured
v=DMARC1; p=quarantine; rua=mailto:abuse@seznam.cz,mailto:dmarc-rua@mailkit.com;

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Novinky.cz - nejčtenější zprávy na českém internetu
Description
Nejnovější zprávy z domova i ze světa na jednom místě. Novinky, mimořádné události, aktuální témata. Online zpravodajství na Novinky.cz.
Final URL
https://www.novinky.cz/
HTTP status
200

HTTP

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

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
novinky.cz
Valid from
2026-07-15T00:03:57-05:00
Valid until
2026-10-13T00:03:56-05:00
Days remaining
63
Protocol
TLSv1.3
Cipher
TLS_AES_256_GCM_SHA384

Security headers

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

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent
✓
Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency
Google
8.8.8.8
77.75.76.151, 77.75.78.151
34,95 ms
Cloudflare
1.1.1.1
77.75.76.151, 77.75.78.151
19,55 ms
Quad9
9.9.9.9
77.75.76.151, 77.75.78.151
23,46 ms
OpenDNS
208.67.222.222
77.75.76.151, 77.75.78.151
614,72 ms
AdGuard
94.140.14.14
77.75.76.151, 77.75.78.151
40,78 ms

IP, geolocation and ASNAssociated network information

77.75.76.151

No data
success
No
country
region
city
asn
organization
isp

77.75.78.151

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

1e37bd9dc45a506b.mx2.emailprofi.seznam.cz

Port 25: Closed/unreachable - 126.5 ms - 
Port 465: Closed/unreachable - 122.7 ms - 
Port 587: Closed/unreachable - 4146.5 ms -

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