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Total

DNS

Email

Security

Network

100

Availability

Domaindrweb.com

IPv41

IPv60

MX records2

StatusActive

Domain technical report

Dr.Web Download antivirus for PC / Mac / Android

drweb.com

Doctor Web is a Russian IT-security solutions vendor developing Dr.Web anti-virus for businesses and personal use, as well as anti-virus as a service since 1992.

Generated: 2026-08-10T16:04:39-05:00 · Cached result

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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 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 records20 / 20 pts · Mail

2 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

201 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers19 / 35 pts · Security

5 of 9 evaluated headers detected.

PTR reverse DNS0 / 30 pts · Network

PTR not detected.

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/1.1 200 okay

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

178.248.233.94

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

20 relay2.drweb.com.
10 relay3.drweb.com.

TXT

6 record(s)

"google-site-verification=oK4mbzF8E9wOIhgMFYyXX1MQ8nvX9ViP9xybKCFSRE0"
"_globalsign-domain-verification=rxH-H0fTp4f2NmhIYOPDIPUj2MhBuJqrDeFQiNTinY"
"_globalsign-domain-verification=0VrC1JEcbUwxit45D02YMCWZGWz16zC4jfaMTRkaMF"
"MS=ms32510464"
"v=spf1 ip4:194.85.20.0/24 ip4:92.242.41.84/32 ip4:91.107.71.231/32 ip4:92.242.41.88/32 ip4:92.242.41.85/32 ip4:213.79.64.32/27 ip4:213.79.65.32/27 ip4:88.198.50.98/32" " ip4:213.79.64.0/28 ip4:213.79.65.0/28 ip4:81.176.67.172/32 ip4:195.88.252.0/23 ip4:85.10.195.208/32 ip4:153.120.124.225/32 ip4:195.88.252.0/24 ip4:195.88.253.0/24 a mx ~all"
"_globalsign-domain-verification=MmG_KrCRhy0h6d66T0vov_Vg8n_RzrVA4OVmFQnXzo"

NS

3 record(s)

rns03.drweb.com.
rns02.drweb.com.
rns01.drweb.com.

SOA

1 record(s)

rns01.drweb.com. root.drweb.com. 2026080701 3600 900 1209600 3600

SPF

Configured

v=spf1 ip4:194.85.20.0/24 ip4:92.242.41.84/32 ip4:91.107.71.231/32 ip4:92.242.41.88/32 ip4:92.242.41.85/32 ip4:213.79.64.32/27 ip4:213.79.65.32/27 ip4:88.198.50.98/32 ip4:213.79.64.0/28 ip4:213.79.65.0/28 ip4:81.176.67.172/32 ip4:195.88.252.0/23 ip4:85.10.195.208/32 ip4:153.120.124.225/32 ip4:195.88.252.0/24 ip4:195.88.253.0/24 a mx ~all

DMARC

Configured

v=DMARC1;p=quarantine;rua=mailto:dmarc@drweb.com;ruf=mailto:dmarc@drweb.com;fo=s

DKIM

Selector mail

v=DKIM1; g=*; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDI3LM0pNrH4kuJ5d7V6DYrf/L+bWyQhYBrDKGeHEK0A/9s6oG/RYgomTsOzA/ApNX1pLW+fsy4l3+0BMesV4cOYzxCnVyQC2t/uYt7z1j/99J9qroe2J/NMVba90NqWLeJN5z6zMCcz32YYPcMbKn5DN4ZWcSGsQbZe7zcLEgzJwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Dr.Web Download antivirus for PC / Mac / Android

Description

Doctor Web is a Russian IT-security solutions vendor developing Dr.Web anti-virus for businesses and personal use, as well as anti-virus as a service since 1992.

Final URL

https://www.drweb.com/

HTTP status

206

HTTP

Status

HTTP/1.1 200 okay

Final URL

https://www.drweb.com/

Version

Server

QRATOR

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

GlobalSign nv-sa

*.drweb.com

Valid from

2026-01-27T08:39:45-06:00

Valid until

2027-02-28T08:39:44-06:00

Days remaining

201

Protocol

TLSv1.3

Cipher

TLS_AES_128_GCM_SHA256

Security headers

5 active

✓

HSTSImplemented

✓

Content Security PolicyImplemented

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

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

178.248.233.94

210,48 ms

Cloudflare

1.1.1.1

178.248.233.94

341,53 ms

Quad9

9.9.9.9

178.248.233.94

48,92 ms

OpenDNS

208.67.222.222

178.248.233.94

159,42 ms

AdGuard

94.140.14.14

178.248.233.94

174,96 ms

IP, geolocation and ASNAssociated network information

178.248.233.94

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

relay2.drweb.com

Port 25: Closed/unreachable - 139.8 ms - 
Port 465: Closed/unreachable - 135.9 ms - 220 relay2.drweb.com ESMTP
Port 587: Closed/unreachable - 281.2 ms - 220 relay2.drweb.com ESMTP

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