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https://2gis.ru

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
86
GRADE
B
FIX
2
REVIEW
2
PASS
5
INFO
0
Probed from Sao Paulo, Brazil
200 OK
Checks
9
5 PASS 2 REVIEW 2 FIX
D
HTTP Probe Timing
Action
Total 2360 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
FIX
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
281 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
230 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
232 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
1.60 s
Total Time Total request time from DNS lookup through full response.
2.36 s

Connection waterfall

DNS Lookup 281 ms TCP Connect 230 ms TLS Handshake 232 ms Server Processing 857 ms Content Transfer 760 ms
D
CDN & Delivery
Action
No CDN detected
FIX
No CDN detected
Warning::
No CDN detected
A CDN can significantly improve load times for users around the world by caching content at edge nodes closer to them.
No CDN detected

Consider using a CDN to improve global delivery speed and reduce origin load.

C
IPv6 Readiness
Action
No IPv6 support
REVIEW
No IPv6 support
Info::
No IPv6 (AAAA) records found
IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.
No IPv6 Support
About 40% of internet users have IPv6. Consider adding AAAA records.

IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.

Why this matters

No AAAA records — same impact as 'no IPv6 (AAAA) records'; IPv6-preferring clients pay extra latency falling back to IPv4.

Source: Google IPv6 stats

B
TLS Certificate Expiry & Recommendations
250 days until leaf cert expires — 5 issues to address
REVIEW

Certificate validity

250
days left
0d 30d 60d 90d+

Recommended actions

  • Extend HSTS max-age to at least 31536000 (1 year) to meet the preload list criteria
  • Add includeSubDomains to the HSTS directive
  • Add the preload directive and submit to hstspreload.org once max-age + includeSubDomains are in place
  • Enable DNSSEC on your domain for DNS spoofing protection
  • Enable OCSP stapling on your TLS server to remove a CA roundtrip and protect user privacy
A
DNS Records
1 A records, 271 ms lookup
PASS
1 A records, 271 ms lookup
Info::
Resolves to 1 IPv4 address(es)
Got: 91.236.51.50
Info::
Single A record — no DNS redundancy
Multiple A records provide failover if one server goes down.
Info::
No IPv6 (AAAA) records
Info::
4 nameserver(s) configured
Got: ns3.2gis.ru, ns.2gis.ru, ns.2gis.tech, ns2.2gis.ru
Info::
2 mail exchanger(s) configured
Info::
CAA records not checked
CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
Info::
SPF record present in TXT
Warning::
DNS resolution is slow (271 ms)
Slow DNS adds latency to every page load. Consider a faster DNS provider.
Got: 271 ms
A91.236.51.50
AAAA—
CNAME—
NSns3.2gis.ru, ns.2gis.ru, ns.2gis.tech, ns2.2gis.ru
MX
10 mx4.2gis.com
10 mx3.2gis.com
TXT
_globalsign-domain-verification=EN6rqZpvBuI6O1VQGKQzKyB6hXG38F1U7Wb2CXkzxV
holst-verification=a2pqa7tjq9k1j94q7da8ru3p9z9jegzbt912p6en
google-site-verification=r13K07PrqQbQR8tQcd93RqhW8dFKiJoup_gG7pxeZQE
google-site-verification=DyZmBiBYiF8Q6h3_0dSBhb8EgZoGkLfA5Vb26SgssIA
SPF v=spf1 include:_spf.2gis.com include:spf.unisender.com include:_spf.mailgun.org ...
098be60a-fc9c-47f3-9f24-6c64d987db63
unisender-go-validate-hash=65a0b7b3b83a3653375bce617ae06db1
facebook-domain-verification=m1aleocpeadqbtulztw839o5w6he82
eb6f9043-6a40-42d4-8bc6-42eaeedfc6f2
google-site-verification=NcUhBet7m100Y_fgwGt8rkieThpPzAMbiy6vkUQmijk
mailru-verification: 9ab8ca8450cf50a9
rm_verify=f02a9397fa
yandex-verification=97d77ee1a6912bbf
mailru-verification: 7fbcd105558d3377
CAALookup not available with standard resolver
Resolved in 271 ms

Multiple A records provide failover if one server goes down.

Why this matters

Single A record means a single point of failure — if that IP goes down, your site is unreachable until DNS TTL expires.

Learn more ▾

Add multiple A records for round-robin failover, or use a managed DNS provider with health-checked failover (Route 53, Cloudflare, NS1). Short TTL (60-300s) lets clients recover faster on outages.

Source: SRE practice / DNS architecture

CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.

Why this matters

Informational: CAA (Certification Authority Authorization) records weren't checked in this scan.

Slow DNS adds latency to every page load. Consider a faster DNS provider.

Why this matters

DNS resolution is slow — anycast DNS providers (Cloudflare, Route 53) typically resolve <50ms globally.

Source: DNS performance benchmarks

A+
Redirect Chain
No redirects — direct access
PASS
No redirects — direct access
Info::
No redirects — direct access
Got: https://2gis.ru

https://2gis.ru

892 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://2gis.ru200892 msHTTP/1.1nginx
A
Crawlability
robots.txt present, no sitemap
PASS
robots.txt present, no sitemap
Info::
robots.txt is present
Got: 1193 bytes
Info::
No sitemap.xml found
A sitemap helps search engines discover and index your pages more efficiently.
Info::
robots.txt references sitemap

A sitemap helps search engines discover and index your pages more efficiently.

Why this matters

No sitemap.xml — Google relies on crawl-graph discovery alone, slowing indexing of deep or fresh URLs.

Learn more ▾

A sitemap accelerates Google's discovery of new and updated content. Most CMSes auto-generate one; static-site frameworks need a build-step plugin. Reference it from robots.txt and submit in Search Console to confirm Google can fetch it.

Source: sitemaps.org / Google Search Central

robots.txt 200 OK
Size 1193 B Sitemaps referenced 1 User-agents GoogleOther, *, Yandex, Mail.Ru Blocking No — crawling allowed
User-agent: *
Host: https://2gis.ru
Sitemap: https://2gis.ru/sitemap.xml

Disallow: /_/*
Disallow: /maps_action

Disallow: /*printmode=
Disallow: /*login_token=
Disallow: /*reference=
Disallow: /*stat=

Disallow: */my$
Disallow: */my?*
Disallow: */my/*

Disallow: */user*
Disallow: */geolocation*
Disallow: *?refHash*

Disallow: /geo/70030076128110973

# Yandex-only
Clean-param: m
Clean-param: ruler
Clean-param: my
Clean-param: mapview
Clean-param: addOrg
Clean-param: feedback
Clean-param: floor
Clean-param: stat
Clean-param: writeReview

Clean-param: utm_medium&utm_campaign&utm_source&utm_content&utm_term&utm_from
Clean-param: queryState
Clean-param: reference
Clean-param: gclid
Clean-param: refHash
Clean-param: utm_referrer
Clean-param: fa821dba_ipp_key
Clean-param: fa821dba_ipp_uid
Clean-param: fa821dba_ipp_uid2
Clean-param: fa821dba_ipp_uid1
Clean-param: fa821dba_ipp_uid_tst
Clean-param: fa821dba_static_key
Clean-param: sa&ved
Clean-param: af_xp
Clean-param: rating
Clean-param: pmv
Clean-param: clckid
Clean-param: immersive
Clean-param: rel_scan

User-agent: Yandex
Disallow: /search/%D0%A0/rubricId

User-agent: Mail.Ru
Crawl-delay: 0.2

User-agent: GoogleOther
Disallow: /
sitemap.xml No sitemap found

No sitemap found

Adding a sitemap helps search engines discover your pages.

A
URL Variants
www/non-www, trailing slash, HTTP→HTTPS
PASS
www/non-www, trailing slash, HTTP→HTTPS
Info::
www/non-www redirect configured correctly (preferred: non-www)
Warning::
HTTP→HTTPS redirect uses 302 instead of 301
Got: 302 temporary redirect Expected: 301 permanent redirect

www / non-www

301https://www.2gis.ru/
200https://2gis.ru/

Preferred variant: non-www

HTTP → HTTPS

308http://2gis.ru/ → https://2gis.ru/

Use 301 (permanent) instead of 302 (temporary)

A+
Domain Intelligence
2gis.ru — via RU-CENTER-RU, 25 years, 6 months old, hosted on DGIS, RU
PASS
2gis.ru — via RU-CENTER-RU, 25 years, 6 months old, hosted on DGIS, RU
Info::
Domain registered until Feb 19, 2027 (10 months remaining)
Info::
Registrar: RU-CENTER-RU
Warning::
Registrar lock is NOT enabled
The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers.
Info::
Hosting: DGIS, RU
Got: AS197482
Domain expiry

220 days

February 19, 2027

SSL certificate

250 days

Issued by GlobalSign nv-sa

Domain age

25 years, 6 months

Registered February 18, 2001

DNSSEC

Status unknown

Protects against DNS spoofing

Hosting

DGIS, RU

ASN AS197482

91.236.51.50

Registrar

RU-CENTER-RU

Unlocked 4 NS records
Expiry timeline
Today
+1 year
Domain expiry SSL expiry Danger zone (≤30 days)
Recommended actions
  • Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
Registrar RU-CENTER-RU
Created February 18, 2001 (25 years, 6 months ago)
Expires February 19, 2027 (10 months)
Name Servers ns2.2gis.ru, ns.2gis.ru, ns.2gis.tech, ns3.2gis.ru
Registrant DoubleGIS LLC
Hosting
IP Address 91.236.51.50
ASN AS197482 (DGIS, RU)
Provider DGIS, RU
Data source: whois (1.7s)

The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers.

Why this matters

Without registrar lock, an attacker who phishes your registrar credentials can transfer the domain in minutes — total brand hijack.

Learn more ▾

Registrar lock (clientTransferProhibited, clientUpdateProhibited, clientDeleteProhibited) requires extra verification before any transfer/update/delete. Every major registrar offers it free. Combined with 2FA on your registrar account, it's the strongest defense against domain hijacking.

Source: ICANN / domain-security best practice

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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