biology.columbia.edu
Biology
Last update: . biology.columbia.edu is a safe website about "Biology in University category. The server is running at 162.159.128.65 ip address and there is a secure connection certificate between the website and the visitor. When we did a security search, no viruses or spam were detected on web page. The similar & alternative web sites to biology.columbia.edu.
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⏰ Status: Biology columbia edu- is Down?
From the table below, you can track the service conditions that we have periodically check in relation to the interruptions.
Date | Server Status | Speed |
---|---|---|
2024-09-10 12:11:03 | Online | 0.0438 Second |
2024-09-09 18:10:02 | Online | 0.0495 Second |
2024-09-09 00:11:03 | Online | 0.1268 Second |
2024-09-08 06:11:02 | Online | 0.0426 Second |
2024-09-07 12:12:03 | Online | 0.0440 Second |
2024-09-06 18:12:03 | Online | 0.0524 Second |
2024-09-06 00:11:03 | Online | 0.0417 Second |
2024-09-05 06:12:03 | Online | 0.0529 Second |
2024-09-04 12:12:03 | Online | 0.0447 Second |
2024-09-03 18:12:03 | Online | 0.0455 Second |
2024-09-03 00:13:02 | Online | 0.0302 Second |
2024-09-02 06:12:02 | Online | 0.0480 Second |
2024-09-01 10:36:02 | Online | 0.0488 Second |
2024-08-31 16:35:03 | Online | 0.1243 Second |
2024-08-30 22:36:03 | Online | 0.0767 Second |
2024-08-30 04:36:02 | Online | 0.0395 Second |
2024-08-29 10:37:03 | Online | 0.0478 Second |
2024-08-28 16:37:02 | Online | 0.0391 Second |
2024-08-27 22:37:03 | Online | 0.0485 Second |
2024-08-27 04:38:02 | Online | 0.0302 Second |
Known Searchs
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☁ Content Metrics
- biology 6%
- columbia 6%
- edu 6%
- security 4%
- Verifying 2%
- you 2%
- are 2%
- human 2%
- This 2%
- may 2%
- take 2%
- few 2%
- seconds 2%
- needs 2%
- review 2%
- the 2%
- your 2%
- connection 2%
- before 2%
- proceeding 2%
- %
Website raw text content tells search engines what your web page content is about. The word usage rate is very important and the frequency of words used above 4% is perceived as spam.
☯ Technology Analysis
- Font Awesome
- Google Analytics
- Google Tag Manager
☂ Security Analytics
✇ DNS Records
Record | TLL | Value |
---|---|---|
A | 3600 | 162.159.138.64 |
A | 3600 | 162.159.128.65 |
MX | 3600 | mxb-00364e01.gslb.pphosted.com |
MX | 3600 | mxa-00364e01.gslb.pphosted.com |
TXT | 3600 | v=spf1 include:columbia.edu ~all |
TXT | 3600 | google-site-verification=ljq8MVBKzRNzS6HreSWJFhReecMjkqshea9-7CXPIcg |
ℹ Whois Records
Domain Name: COLUMBIA.EDU
Registrant:
Columbia University
615 West 131st Street
CUIT - 5th Floor
New York, NY 10027
USA
Administrative Contact:
Domain Admin
Columbia University
615 West 131st Street
CUIT - 5th Floor
New York, NY 10027
USA
+1.2128541919
noc✉columbia.edu
Technical Contact:
Columbia University
615 West 131st Street
CUIT - 5th Floor
New York, NY 10027
USA
+1.2128541919
hostmaster✉columbia.edu
Name Servers:
NS1.LSE.AC.UK
AUTH5.DNS.COGENTCO.COM
EXT-NS1.COLUMBIA.EDU
AUTH1.DNS.COGENTCO.COM
AUTH2.DNS.COGENTCO.COM
AUTH4.DNS.COGENTCO.COM
Domain record activated: 05-Jul-1985
Domain record last updated: 10-Apr-2024
Domain expires: 31-Jul-2024
☰ Http Headers
date | tue, 14 may 2024 22 |
---|---|
content-type | text/html; charset=utf-8 |
x-content-type-options | nosniff |
x-content-type-options | nosniff |
cache-control | max-age=300, public |
x-drupal-dynamic-cache | uncacheable |
link | ; rel="canonical", ; rel="shortlink" |
link | ; rel="revision" |
x-ua-compatible | ie=edge |
content-language | en |
x-frame-options | sameorigin |
expires | sun, 19 nov 1978 05 |
last-modified | tue, 14 may 2024 16 |
vary | cookie |
x-generator | drupal 8 (https |
x-drupal-cache | hit |
set-cookie | bigipserver~cuit~drupaldistprod.cc.columbia.edu-443-pool=!prbledeo6vsawnlazjp8vqvxufbt81lpgieehzliczxrmgexw/bld5+y6ezsszn8wduhovdqw+r0g0e=; expires=tue, 14-may-2024 23 |
cf-cache-status | dynamic |
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server | cloudflare |
cf-ray | 883e78bbbcfe1c37-sof |
content-encoding | gzip |
✔ Indexing
#
# robots.txt
#
# This file is to prevent the crawling and indexing of certain parts
# of your site by web crawlers and spiders run by sites like Yahoo!
# and Google. By telling these "robots" where not to go on your site,
# you save bandwidth and server resources.
#
# This file will be ignored unless it is at the root of your host:
# Used: http://example.com/robots.txt
# Ignored: http://example.com/site/robots.txt
#
# For more information about the robots.txt standard, see:
# http://www.robotstxt.org/robotstxt.html
User-agent: *
# CSS, JS, Images
Allow: /core/*.css$
Allow: /core/*.css?
Allow: /core/*.js$
Allow: /core/*.js?
Allow: /core/*.gif
Allow: /core/*.jpg
Allow: /core/*.jpeg
Allow: /core/*.png
Allow: /core/*.svg
Allow: /profiles/*.css$
Allow: /profiles/*.css?
Allow: /profiles/*.js$
Allow: /profiles/*.js?
Allow: /profiles/*.gif
Allow: /profiles/*.jpg
Allow: /profiles/*.jpeg
Allow: /profiles/*.png
Allow: /profiles/*.svg
# Directories
Disallow: /core/
Disallow: /profiles/
# Files
Disallow: /README.txt
Disallow: /web.config
# Paths (clean URLs)
Disallow: /admin/
Disallow: /comment/reply/
Disallow: /filter/tips
Disallow: /node/add/
Disallow: /search/
Disallow: /user/register/
Disallow: /user/password/
Disallow: /user/login/
Disallow: /user/logout/
# Paths (no clean URLs)
Disallow: /index.php/admin/
Disallow: /index.php/comment/reply/
Disallow: /index.php/filter/tips
Disallow: /index.php/node/add/
Disallow: /index.php/search/
Disallow: /index.php/user/password/
Disallow: /index.php/user/register/
Disallow: /index.php/user/login/
Disallow: /index.php/user/logout/
Disallow: /sites/default/files/private/
⚔ SSL Analytics
Subject | CN = columbia.edu |
---|---|
Issuer | C = US, O = Google Trust Services LLC, CN = GTS CA 1P5 |
Version | 2 |
Serial Number | bdacb77e6fc08ee60ebf0e4965e746b7 |
Signature Algorithm | sha256WithRSAEncryption |
Public Key Algorithm | rsaEncryption |
Key Usage | Digital Signature, Key Encipherment |
Extended Key Usage | TLS Web Server Authentication |
Basic Constraints | CA:FALSE |
Subject Key Identifier | A5:F7:77:B3:87:8E:17:D0:D4:08:D5:DB:9C:E8:47:0C:B6:BC:A8:9B |
Authority Key Identifier | D5:FC:9E:0D:DF:1E:CA:DD:08:97:97:6E:2B:C5:5F:C5:2B:F5:EC:B8 |
Authority Information Access | OCSP - URI:http://ocsp.pki.goog/s/gts1p5/pLK_ONeyNPo CA Issuers - URI:http://pki.goog/repo/certs/gts1p5.der |
Subject Alternative Name | DNS:columbia.edu, DNS:*.drupal7-test.cc.columbia.edu, DNS:*.drupalcustom-dev.cc.columbia.edu, DNS:*.columbia.edu, DNS:*.alumni.columbia.edu, DNS:*.arch.columbia.edu, DNS:*.zi.columbia.edu, DNS:*.global.columbia.edu, DNS:*.ias-deprecated-test.cc.columbia.edu, DNS:*.ias-drupal6-dev.cc.columbia.edu, DNS:*.ias-drupal7-dev.cc.columbia.edu, DNS:*.ias-deprecated-dev.cc.columbia.edu, DNS:*.worklife.columbia.edu, DNS:*.site.drupal8test.cc.columbia.edu, DNS:*.site.drupaldistdev.cc.columbia.edu, DNS:*.business.columbia.edu, DNS:*.cancerdynamics.columbia.edu, DNS:*.drupalcustom-test.cc.columbia.edu, DNS:*.drupal-dev.business.columbia.edu, DNS:*.drupal-test.business.columbia.edu, DNS:*.drupal7-dev.cc.columbia.edu, DNS:*.lamptest.columbia.edu, DNS:*.reopencu.covid19.columbia.edu, DNS:*.site.drupal8dev.cc.columbia.edu, DNS:*.sociology.columbia.edu, DNS:*.udev.degreeaudit.sis.columbia.edu, DNS:*.blog.cup.columbia.edu, DNS:*.careers.columbia.edu, DNS:*.climate.columbia.edu, DNS:*.cup.columbia.edu, DNS:*.curp.columbia.edu |
Certificate Policies | Policy: 2.23.140.1.2.1 Policy: 1.3.6.1.4.1.11129.2.5.3 |
CRL Distribution Points | Full Name: URI:http://crls.pki.goog/gts1p5/ZeGZYoa3f6s.crl |
CT Precertificate SCTs | Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 76:FF:88:3F:0A:B6:FB:95:51:C2:61:CC:F5:87:BA:34: B4:A4:CD:BB:29:DC:68:42:0A:9F:E6:67:4C:5A:3A:74 Timestamp : May 8 04:28:42.037 2024 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:1B:88:C4:D7:2C:67:01:AB:8F:2F:7A:64: AC:D9:E8:51:E8:83:FF:E1:F5:1A:29:E1:24:EB:DE:07: 50:98:ED:9B:02:20:4E:E9:7F:A3:5E:80:CB:54:8C:1A: 94:35:1C:79:5B:E0:2C:DE:F3:E2:42:63:93:78:58:4A: 81:8F:39:97:80:C8 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 3F:17:4B:4F:D7:22:47:58:94:1D:65:1C:84:BE:0D:12: ED:90:37:7F:1F:85:6A:EB:C1:BF:28:85:EC:F8:64:6E Timestamp : May 8 04:28:42.040 2024 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:18:9B:5E:09:16:03:A1:FF:5C:FA:AE:9C: 08:A7:20:D1:B1:9C:BB:50:2F:1A:A5:FF:A5:8B:EF:AB: F1:AD:6F:29:02:21:00:C8:BC:31:38:3C:9C:0B:9C:C3: 15:D6:25:A0:10:8F:76:0D:83:85:00:CF:B6:75:49:E4: 65:67:24:2B:4C:16:AF |
Start date | May 8 03:28:40 2024 GMT |
Expire date | Aug 6 04:25:55 2024 GMT |
RSA Public Key | 2048 |
rsa(n) |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|
rsa(e) | 10001 |
Signature | 3b:c3:47:83:65:90:a1:2b:0a:5f:61:e4:8b:f9:b5:99:f1:f3:58:db:e8:97:18:84:be:fc:1c:61:63:23:5b:7e:c8:2d:41:45:c2:cf:e1:9a:35:f8:a6:42:af:83:65:ed:4b:2e:f2:b3:df:31:96:4c:ed:b4:db:77:7f:3a:bf:11:45:be:c6:bb:2d:3c:d8:ae:0f:ac:a7:b7:07:ae:9a:03:8c:e0:9d:78:d4:ea:7d:d9:bb:5e:7e:fb:51:2d:fa:05:a8:83:74:59:74:e4:79:1b:04:19:c6:b2:7c:8b:2c:f4:b2:62:70:a2:d4:2e:1e:aa:2c:e7:bf:fd:3f:32:cb:e0:fb:06:fd:82:fc:06:90:ca:b9:9d:c8:14:d1:17:b8:cb:28:3f:a8:e5:bc:b0:cc:5d:87:32:5b:30:f3:38:0c:6b:bb:8c:d3:7a:b4:95:bb:14:45:dc:dc:ad:09:04:f5:7f:8b:07:1c:90:e7:9b:35:ae:9e:9c:7c:01:64:70:96:50:24:af:5d:24:cc:0b:8c:64:fe:97:0d:08:aa:68:c7:51:16:bb:69:2d:16:10:27:1d:b4:d2:53:6a:79:1a:79:28:72:9c:23:39:6b:ed:a0:51:f6:0b:3c:98:f4:99:f9:a9:d6:40:b4:d5:c6:f9:96:e4:09:c7:93:c6:e5:f7:c2:91: |