cs511403.userapi.com - dns.ninja

cs511403.userapi.com

DNSSEC⚠️ Not signed
A87.240.129.187🇷🇺 VKONTAKTE-SPB-AS87.240.128.0/18 Saint Petersburg region
PTRsrv187-129-240-87.vk.com
A87.240.190.64🇷🇺 VKONTAKTE-SPB-AS87.240.128.0/18 Saint Petersburg region

userapi.com

DNSSEC⚠️ Not signed
A87.240.129.187🇷🇺 VKONTAKTE-SPB-AS87.240.128.0/18 Saint Petersburg region
A87.240.190.64🇷🇺 VKONTAKTE-SPB-AS87.240.128.0/18 Saint Petersburg region
NSns1.vkontakte.ru ⭐
NSns2.vkontakte.ru
NSns3.vkontakte.ru
NSns4.vkontakte.ru
MXmx.vk.com ⭐
TXT_globalsign-domain-verification=O0Pt8zhXN9vdBLKTxOu4bCXzcpDWeAUl7l3Ar9XFUH
TXT_globalsign-domain-verification=6gPgwhJkX4uBuKXUE5O7y9oUmtXB-CAJv9xnFqikEy
TXTHARICA-1ObFuIyyYSvGS21lPSl
TXTHARICA-8jVHl95rzphvOFzzWX7
TXT_globalsign-domain-verification=7yYVJvdrWz05cbzkQl-l0yVYWsP6gDO5u194Ic8KA8
TXT_globalsign-domain-verification=Ldp0yHWVZFPvYhD5fv1Cc9Z6N1qveliT6uzxwdrr9C
TXTHARICA-0W0o44c9DyE61DEvL5H
TXTatJ1QQ0fGXlJSD9DKrPatRQAB83O7mfrJvGeRBNgitM=
TXTHARICA-7rMvGABnKMnABT4yIpZ
TXTv=spf1 -all
TXT_globalsign-domain-verification=MTlPckbrbufqf1JnpHMmOmwzo8YGGLlvWrcq6GWzyT
SOAns1.vkontakte.runcc@vk.com serial=3575827191
WOT: SAFE (67/100)
rank #7123 globally
rank #3483 in the tld
Semrush Rank:#17,005,439 Keywords:8 Traffic:0/mo
WOT: SAFE (90/100)
📈 Tranco rank: #191
userapi.com - Tranco Rank (30d: ↓-15)174175180185190193Jun 21Jun 30Jul 9Jul 18Jul 26Rank#176#191

userapi.com

userapi.com is a domain owned and operated by VK (formerly VKontakte), the largest social media platform in Russia and the CIS region.

Purpose

The domain serves as part of VK's API infrastructure:

  • API Endpoints: Used for VK's developer API services
  • Content Delivery: Hosts user-uploaded content (images, videos, audio files) served through VK's CDN
  • Authentication: Handles OAuth and authentication flows for third-party applications

About VK

VK (VKontakte) is a Russian social networking service founded in 2006 by Pavel Durov. Key facts:

  • Largest social network in Russia with over 100 million monthly active users
  • Offers features similar to Facebook: profiles, messaging, groups, news feeds, music, and video sharing
  • Owned by VK Company (formerly Mail.ru Group)
  • Provides extensive APIs for developers to build applications and integrations

Technical Notes

  • The domain redirects (301) tovk.comwhen accessed directly in a browser
  • Subdomains likepp.userapi.comandsun*.userapi.comserve media content
  • Commonly seen in network traffic from VK mobile and web applications

DNS History

4 records (2 active, 2 former)

201820192020202120222023202420252026A87.240.129.18787.240.190.642a00:bdc0:4:a:2:0:511:40387.240.164.60
○A2a00:bdc0:4:a:2:0:511:4032017-03-08 → 2017-03-08 · 3 obs
● 2017-03-08 00:10:30
○ 2026-03-30 09:01:42
○ 2026-07-28 17:59:38
●A87.240.129.1872026-03-30 → 2026-07-28 · 3 obs
○ 2017-03-08 00:10:30
● 2026-03-30 09:01:42
● 2026-07-28 17:59:38
○A87.240.164.602017-03-08 → 2017-03-08 · 3 obs
● 2017-03-08 00:10:30
○ 2026-03-30 09:01:42
○ 2026-07-28 17:59:38
●A87.240.190.642026-03-30 → 2026-07-28 · 3 obs
○ 2017-03-08 00:10:30
● 2026-03-30 09:01:42
● 2026-07-28 17:59:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
userapi.comns1.vkontakte.ru, ns2.vkontakte.ru, ns3.vkontakte.ru, ns4.vkontakte.ru-

✅ Authoritative Response

Server:87.240.136.136

NS records: ns1.vkontakte.ru, ns2.vkontakte.ru, ns3.vkontakte.ru, ns4.vkontakte.ru

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for userapi.com (unsigned zone)

⏱️ Timing

Total: 963ms | Queries: -

📄 Records

TypeCountSample Data
A287.240.129.187, 87.240.190.64

Analysis

IP Addresses

cs511403.userapi.com has two IP addresses: 87.240.129.187 and 87.240.190.64

Two other host names, along with cs14034.userapi.com, cs623817.userapi.com and cs640505.userapi.com, also share IP numbers with cs511403.userapi.com.