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Combinatorics.net Summary


Combinatorics.net was created 26 years ago. Server is located in Hong Kong, IP address 47.91.240.79.

Website Info


Creation date 1998-11-19
Expiration date 2021-11-18
Registrar Alibaba Cloud Computing (Beijing) Co., Ltd.
Name servers
  1. dns1.hichina.com
  2. dns2.hichina.com
IP address 47.91.240.79
Server located Hong Kong
Host name 47.91.240.79

Alexa Traffic Ranks


Global Rank n/a
Delta (90 Days) n/a
Most Popular In Country n/a
Country Rank n/a

Whois info


Domain Name: combinatorics.net

Registry Domain ID: 2465563_DOMAIN_NET-VRSN

Registrar WHOIS Server: grs-whois.hichina.com

Registrar URL: http://whois.aliyun.com

Updated Date: 2019-11-10T16:00:28Z

Creation Date: 1998-11-19T05:00:00Z

Registrar Registration Expiration Date: 2021-11-18T05:00:00Z

Registrar: Alibaba Cloud Computing (Beijing) Co., Ltd.

Registrar IANA ID: 420

Reseller: 
Domain Status: ok https://icann.org/epp#ok

Registrant City: 

Registrant State/Province: Tianjin

Registrant Country: CN
Registrant Email:https://whois.aliyun.com/whois/whoisForm

Registry Registrant ID: Not Available From Registry

Name Server: DNS1.HICHINA.COM

Name Server: DNS2.HICHINA.COM

DNSSEC: unsigned

Registrar Abuse Contact Email: DomainAbuse@service.aliyun.com

Registrar Abuse Contact Phone: +86.95187

URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/

>>>Last update of WHOIS database: 2020-11-26T14:53:44Z <<<

DNS Records


Host Type TTL Data
combinatorics.net A 600 ip: 47.91.240.79
combinatorics.net MX 3600 pri: 10
target: mail.combinatorics.net
combinatorics.net NS 86400 target: dns2.hichina.com
combinatorics.net NS 86400 target: dns1.hichina.com
combinatorics.net SOA 600 mname: dns1.hichina.com
rname: hostmaster.hichina.com
serial: 1
refresh: 3600
retry: 1200
expire: 3600
minimum-ttl: 600

HTTP Headers


Cache-Control: private
Content-Type: text/html; charset=utf-8
Vary: Accept-Encoding
Server: Microsoft-IIS/8.5
X-AspNet-Version: 2.0.50727
X-Powered-By: ASP.NET
Date: Sat, 28 Nov 2020 05:33:52 GMT
Connection: Keep-Alive
Proxy-Connection: Keep-Alive
x-encoded-content-encoding: gzip
x-encoded-content-length: 6498

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