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79
Total
75
DNS
90
Email
69
Security
50
Network
100
Availability
Domainplayground.ru
IPv41
IPv60
MX records1
StatusActive
Domain technical report

playground.ru

playground.ru

Generated: 2026-08-10T04:39:24-05:00 · Cached result

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IPv41
IPv60
MX1
NS4

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

4 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 policy5 / 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

42 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

✓
PTR reverse DNS30 / 30 pts · Network

PTR: playground.ru

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)
212.42.38.154

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

1 record(s)
0 mail.playground.ru.

TXT

7 record(s)
"shop-verification-oE2nXddvBx"
"google-site-verification=k_jp7HjL2o9KshFRfPThibVXEx8IycsH_xk3vPcAtjo"
"yandex-verification: 761fc94505d57b11"
"v=spf1 +a +mx +ip4:212.42.38.0/24 +ip4:212.42.63.216/29 +ip4:45.91.180.51 ~all"
"admitad-verification: 80d55b9db5"
"shop-verification-QR2Oe6RvJX"
"mailru-verification: f4e38c493f84490b"

NS

4 record(s)
dns2.kn646.com.
dns1.fmail.ru.
dns2.fmail.ru.
dns1.kn646.com.

SOA

1 record(s)
dns1.fmail.ru. wp.fmail.ru. 2022080413 3600 7200 1209600 86400

CAA

4 record(s)
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issuewild "letsencrypt.org"
0 issue "letsencrypt.org"
0 issuewild "digicert.com; cansignhttpexchanges=yes"

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 +a +mx +ip4:212.42.38.0/24 +ip4:212.42.63.216/29 +ip4:45.91.180.51 ~all

DMARC

Configured
v=DMARC1; p=reject

DKIM

Selector mail
v=DKIM1; k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQC1eunp7DKyFwnubXpXrBGtqciG2FUwoSuVQEjn8f722sz/ms0T4j2UzDMS74IX8zghOhFd8Yhl4G8MKpDxzLNLazk33nBRaZBaWBx76ccmEMyXM97i6zG843aomHqrQl/QfTyPYG0WvYwbtbMzZN30/CyqtOXMA1KWf4vSOzsy+wIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

No data
Title
Description
Final URL
https://playground.ru/
HTTP status

HTTP

Status
HTTP/2 200
Final URL
https://www.playground.ru/
Version
3
Server
nginx-pg
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
playground.ru
Valid from
2026-06-23T16:00:35-05:00
Valid until
2026-09-21T16:00:34-05:00
Days remaining
42
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256

Security headers

1 active
✓
HSTSImplemented
—
Content Security PolicyNot detected
—
X-Content-Type-OptionsNot detected
—
X-Frame-OptionsNot detected
—
Referrer PolicyNot detected
—
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
212.42.38.154
34,80 ms
Cloudflare
1.1.1.1
212.42.38.154
147,66 ms
Quad9
9.9.9.9
212.42.38.154
288,88 ms
OpenDNS
208.67.222.222
212.42.38.154
552,78 ms
AdGuard
94.140.14.14
212.42.38.154
324,93 ms

IP, geolocation and ASNAssociated network information

212.42.38.154

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

mail.playground.ru

Port 25: Closed/unreachable - 0.5 ms - 
Port 465: Closed/unreachable - 128 ms - 
Port 587: Closed/unreachable - 127.8 ms - 220 mail.playground.ru ESMTP Exim 4.97.1 Mon, 10 Aug 2026 12:39:19 +0300

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