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Mathnet.spb.ru Summary


Mathnet.spb.ru was created 15 years ago. Receives approximately 8,220 unique visitors per month. Server is located in United States, IP address 104.31.81.77.

Website Info


Creation date 2010-04-24
Expiration date 2023-04-19
Registrar RU-CENTER
Name servers
  1. karl.ns.cloudflare.com
  2. mary.ns.cloudflare.com
IP address 104.31.81.77
Server located United States
Host name 104.31.81.77

Alexa Traffic Ranks


Global Rank 2,160,818
Delta (90 Days) 1,247,695
Most Popular In Country Russia
Country Rank 79,840

Whois info


domain:       MATHNET.SPB.RU

nserver:      karl.ns.cloudflare.com

nserver:      mary.ns.cloudflare.com

state:        REGISTERED, DELEGATED

person:       Private person
admin-contact:https://www.nic.ru/whois/send-message/?domain=mathnet.spb.ru

descr:        Petershof's Telecommunication Centre of

descr:        Saint-Petersburg State University,

descr:        St.Petersburg, Russia

registrar:    RU-CENTER

created:      2010.04.24

paid-till:    2023.04.19

source:       RU-CENTER

DNS Records


Host Type TTL Data
mathnet.spb.ru A 299 ip: 104.31.81.77
mathnet.spb.ru A 299 ip: 104.31.80.77
mathnet.spb.ru A 299 ip: 172.67.206.163
mathnet.spb.ru NS 86400 target: mary.ns.cloudflare.com
mathnet.spb.ru NS 86400 target: karl.ns.cloudflare.com
mathnet.spb.ru SOA 3600 mname: karl.ns.cloudflare.com
rname: dns.cloudflare.com
serial: 2035257454
refresh: 10000
retry: 2400
expire: 604800
minimum-ttl: 3600
mathnet.spb.ru AAAA 299 ipv6: 2606:4700:3036::681f:504d
mathnet.spb.ru AAAA 299 ipv6: 2606:4700:3032::ac43:cea3
mathnet.spb.ru AAAA 299 ipv6: 2606:4700:3037::681f:514d

HTTP Headers


Date: Sat, 14 Nov 2020 10:15:59 GMT
Content-Type: text/html; charset=windows-1251
Transfer-Encoding: chunked
Connection: keep-alive
Set-Cookie: __cfduid=d6a1fad79a6f14f1100a1554dab1faddb1605348958; expires=Mon, 14-Dec-20 10:15:58 GMT; path=/; domain=.mathnet.spb.ru; HttpOnly; SameSite=Lax; Secure
Last-Modified: Mon, 19 Oct 2020 20:38:13 GMT
Vary: Accept-Encoding
Access-Control-Allow-Credentials: true
Access-Control-Allow-Methods: GET, POST, OPTIONS
Access-Control-Allow-Headers: DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since,Cache-Control,Content-Type
CF-Cache-Status: DYNAMIC
cf-request-id: 0667da38de0000ec6e0705d000000001
Expect-CT: max-age=604800, report-uri="https://report-uri.cloudflare.com/cdn-cgi/beacon/expect-ct"
Report-To: {"endpoints":[{"url":"https:\/\/a.nel.cloudflare.com\/report?s=XNgGftU1ZF8hDAM31U8OHZidbEDVEBZsDMQhpaF86%2FQwzeBPtU7q2en8fHBRZxLg%2BKhV6TXI27IzBjs1LkObamQZ5XfJWHMppjocBfaxZg%3D%3D"}],"group":"cf-nel","max_age":604800}
NEL: {"report_to":"cf-nel","max_age":604800}
Server: cloudflare
CF-RAY: 5f1ff96e3a96ec6e-DFW
x-encoded-content-encoding: gzip

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