Analyze any domain

Get a complete DNS, email, SSL, HTTP and network analysis in seconds.

Total

DNS

Email

Security

Network

Availability

Domainnova.cz

IPv42

IPv62

MX records1

StatusActive

Domain technical report

Just a moment...

nova.cz

Generated: 2026-08-10T20:49:45-05:00 · Cached result

JSON CSV PDF Visit site

IPv42

IPv62

MX1

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 policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

66 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers31 / 35 pts · Security

8 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓

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 response0 / 40 pts · Availability

HTTP/2 403

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

2 record(s)

104.18.37.191
172.64.150.65

AAAA

2 record(s)

2a06:98c1:3102::ac40:9641
2a06:98c1:3103::6812:25bf

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

0 nova-cz.mail.protection.outlook.com.

TXT

15 record(s)

"google-site-verification=tsYCy_tG4L1N_2euv8rV_ZehHUCVXG1XEbbOzVdtmtc"
"google-site-verification=5bQr1FzVtsRJCOzLCm0a1uaxixyUvhyXT2L__YAQl8Y"
"cisco-ci-domain-verification=2006bbb944455e69125135748f1aa9cf2758e54eb0b173ba5075c7f57ca2af73"
"n46ouquru58489fp0lm2e6ai0v"
"anthropic-domain-verification-271sje=KSuQo5huQQdRXDVhniLReKfHI"
"MS=ms12869526"
"google-site-verification=gg76mH4GN3WdP-B3wn5gDJc6yUkSdqLhhcr9hdzRCLc"
"nlc7svfquud9rr1ih2bnl8h50a"
"v=spf1 ip4:176.122.32.0/20 ip4:141.193.32.7/32 include:spf.smartemailing.cz include:amazonses.com include:spf.protection.outlook.com include:spf.emailsignatures365.com ip4:54.229.2.165 -all"
"anthropic-domain-verification-80jfhj=aW9U6jqG4jok8YHYEOfwSmqZg"
"facebook-domain-verification=f7ueelkhzax16r9iushl9gwnc5az09"
"ELLdk5rhLWdam/gjaD5I2sqR0SxV6BvxS90CM5SeUJZs8RepLSE58m9NqZbQDQdwIWZxHMywE8YHr7GWq2AZZw=="
"openai-domain-verification=dv-vktRy45Rm5I7ozhXiukDTXcv"
"rph6j8jdogum29paj5iqdqg0be"
"ca3-522e602c78d4444d81e39c2564486e01"

NS

2 record(s)

dorthy.ns.cloudflare.com.
jason.ns.cloudflare.com.

SOA

1 record(s)

dorthy.ns.cloudflare.com. dns.cloudflare.com. 2409991592 10000 2400 604800 1800

CAA

0 record(s)

—

Not configured

DS

1 record(s)

2371 13 2 A0771AD51A26F796B184570216731ED57A2A193A16B9FFD6BF9B6263 22A80F06

DNSKEY

2 record(s)

257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==

RRSIG

4 record(s)

SOA 13 2 1800 20260812024936 20260810004936 34505 nova.cz. MWjAtV01yqLqeXc0FxNQdGXXa5OJYWS1kIZaSe+trxD4Q2JLn0NnY06q xTav8QddTTDlqT8rZQNabSS7DkXreA==
TXT 13 2 300 20260812024936 20260810004936 34505 nova.cz. ArpsX8lw5U4gez57hF8vEg96gcbuHSZUubXj7TFQYMwZX/wSPQE9ZFZ2 KkxKJLvJucHqfmdDK5hi+D3NFy4ixw==
DS 13 2 3600 20260823054724 20260809041724 5166 cz. kYmlRENqy5/p64wnVCpv9gECkRznjqJlG53ZvYMWTmRQj/Lmim98D6uQ HEk12fOZkvBvqNCTSSSULMSs3Tw5Dg==
NS 13 2 86400 20260812013553 20260809233553 34505 nova.cz. sL3abdsG5/66fnK0MW0RQfATn58cbsM8n26Waxo/Np1OhF7oe590l8dQ x0pyTxVFLdVLpom9x4504cQ+njTqyw==

NSEC

1 record(s)

\000.nova.cz. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA

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 ip4:176.122.32.0/20 ip4:141.193.32.7/32 include:spf.smartemailing.cz include:amazonses.com include:spf.protection.outlook.com include:spf.emailsignatures365.com ip4:54.229.2.165 -all

DMARC

Configured

v=DMARC1; p=reject; rua=mailto:dmarc-rua@mailkit.com

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsT+QgNWegOaveeBRvgGrxBdu62FzmrfRpd63SymiS6ppUh7IQsRBTVC9xXvjeLGyq8xm0Y0i8XW9LoxAFRaeK9Ul3Lxq/Qerxg+4YFlGzpRW8Av6L3CktZnR80aWI2Ywe/9FKgziGd9Eh/Z7oV/EYzTRB2ibYWRxUZwSS6jCe7BsEOixS7M/cY3X6sCgYXXbtKwKv3lTzcvb7cGRdY86I3Y6pMnySPHRNbeAqKCFWYrpmF7EHaFIBGxRfRwmsVWHiV154ydMGb5HOit9c35ah6LrODOxavG4R1K2aaG4VBpIRdNaRrQyZdet0KcJatA6eg0VyQPf1ohueg3IR1BQjQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Just a moment...

Description

Final URL

https://nova.cz/

HTTP status

403

HTTP

Status

HTTP/2 403

Final URL

https://nova.cz/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

GoDaddy.com, Inc.

*.nova.cz

Valid from

2025-09-14T08:45:52-05:00

Valid until

2026-10-16T08:45:52-05:00

Days remaining

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

8 active

—

HSTSNot detected

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

Referrer PolicyImplemented

✓

Permissions PolicyImplemented

✓

Cross-Origin-Opener-PolicyImplemented

✓

Cross-Origin-Embedder-PolicyImplemented

✓

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

104.18.37.191, 172.64.150.65

110,12 ms

Cloudflare

1.1.1.1

104.18.37.191, 172.64.150.65

61,95 ms

Quad9

9.9.9.9

104.18.37.191, 172.64.150.65

37,95 ms

OpenDNS

208.67.222.222

104.18.37.191, 172.64.150.65

83,46 ms

AdGuard

94.140.14.14

104.18.37.191, 172.64.150.65

464,12 ms

IP, geolocation and ASNAssociated network information

104.18.37.191

No data

success

country

region

city

asn

organization

isp

172.64.150.65

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

nova-cz.mail.protection.outlook.com

Port 25: Closed/unreachable - 23.7 ms - 
Port 465: Closed/unreachable - 4046.7 ms - 
Port 587: Closed/unreachable - 4010.1 ms -

Recently analyzed domains

View all →

www.news.bbc.co.uk4 siutica.cl4 mn.us4 gsa.gov95 dovecot.org97 jeito.nl97 fl.us4 idblogmaker.com67 engineering.com81 webkit.org83