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Columbia.github.io Summary


Columbia.github.io. Receives approximately 217,470 unique visitors per month. Server is located in United States, IP address 185.199.109.153.

Website Info


Creation date n/a
Expiration date n/a
IP address 185.199.109.153
Server located United States, San Francisco
Host name cdn-185-199-109-153.github.com

Alexa Traffic Ranks


Global Rank 421,090
Delta (90 Days) -9,968,459
Most Popular In Country United States
Country Rank 105,625

Whois info

DNS Records


Host Type TTL Data
columbia.github.io A 3600 ip: 185.199.109.153
columbia.github.io A 3600 ip: 185.199.108.153
columbia.github.io A 3600 ip: 185.199.111.153
columbia.github.io A 3600 ip: 185.199.110.153
columbia.github.io CAA 3600 flags: 0
tag: issue
value: digicert.com
columbia.github.io CAA 3600 flags: 0
tag: issue
value: letsencrypt.org
columbia.github.io CAA 3600 flags: 0
tag: issuewild
value: digicert.com

HTTP Headers


Connection: keep-alive
Content-Type: text/html; charset=utf-8
Server: GitHub.com
Last-Modified: Mon, 29 Jun 2020 20:24:32 GMT
ETag: W/"5efa4e00-37d0"
Access-Control-Allow-Origin: *
Expires: Tue, 24 Nov 2020 04:31:36 GMT
Cache-Control: max-age=600
X-Proxy-Cache: MISS
X-GitHub-Request-Id: D7AC:B6BA:3C17FE:3F8D02:5FBC8A50
Accept-Ranges: bytes
Date: Tue, 24 Nov 2020 04:21:36 GMT
Via: 1.1 varnish
Age: 0
X-Served-By: cache-ams21023-AMS
X-Cache: MISS
X-Cache-Hits: 0
X-Timer: S1606191696.395596,VS0,VE96
Vary: Accept-Encoding
X-Fastly-Request-ID: a84935da64440a36a070b6461a157613fb182137
x-encoded-content-encoding: gzip
x-encoded-content-length: 4481

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