Profile: Stackoverflow stackoverflow.com

View Stackoverflow outages and uptime

Stackoverflow is an online question and answer website for programmers.


  Uptime last 24 hours

  Response Time last 24 hours

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Current Status

Up

For 1 week, 6 days

(Oct 4, 2018 6:50 p.m. GMT)

Uptime

100%

Latest Downtime

Oct 4, 2018
6:34 p.m. GMT

Lasted for 15 minutes

  Web Speed Test Results

Loading timeRequestsTotal SizePerformace GradeMobile Usability
4631 ms 33 326.3 KB 70/100 92/100
Location: Sydney, Australia
Date: 2018-10-15 09:59
TypeURLSize
0.0 s
0.0 s
0.0 s
0.0 s
0.0 s
0.0 s
Script /ajax/libs/jquery/1.12.4/jquery....
ajax.googleapis.com
33.5 KB
Script /Js/stub.en.js
cdn.sstatic.net
14.8 KB
Stylesheet /Shared/stacks.css
cdn.sstatic.net
21.2 KB
Stylesheet /Sites/stackoverflow/primary-uni...
cdn.sstatic.net
66.0 KB
Image /9J8MK.png
i.stack.imgur.com
832 B
Image /EQnZM.png
i.stack.imgur.com
1.4 KB
Image /gfrSH.png
i.stack.imgur.com
795 B
Image /tKsDb.png
i.stack.imgur.com
375 B
Image /yw13m.png
i.stack.imgur.com
896 B
Image /8UH0j.png
i.stack.imgur.com
928 B
Image /uE37r.png
i.stack.imgur.com
745 B
Image /817gJ.png
i.stack.imgur.com
1.7 KB
Image /9HWwT.png
i.stack.imgur.com
4.7 KB
Image /wQ1BK.png
i.stack.imgur.com
671 B
Image /DTUrS.png
i.stack.imgur.com
1.4 KB
Image /Tfe0K.png
i.stack.imgur.com
3.6 KB
Image /Img/unified/sprites.svg
cdn.sstatic.net
3.0 KB
Image /img/hero/pattern.svg
cdn.sstatic.net
5.3 KB
Script /clc/clc.min.js
cdn.sstatic.net
3.6 KB
Script /analytics.js
www.google-analytics.com
17.2 KB
Script /quant.js
secure.quantserve.com
5.7 KB
Script /beacon.js
sb.scorecardresearch.com
1.2 KB
Image /img/favicons-sprite16.png
cdn.sstatic.net
69.8 KB
Script /Js/full-anon.en.js
cdn.sstatic.net
40.1 KB
Stylesheet /clc/styles/clc.min.css
cdn.sstatic.net
22.8 KB
Script /markup.js
clc.stackoverflow.com
1.9 KB
Other /gps/event
stackoverflow.com
259 B
Other /r/collect
www.google-analytics.com
244 B
Other /b
sb.scorecardresearch.com
726 B
Script /rules-p-c1rF4kxgLUzNc.js
rules.quantcount.com
340 B
Image /b2
sb.scorecardresearch.com
248 B
Image /impression.gif
clc.stackoverflow.com
180 B
Image /pixel
pixel.quantserve.com
479 B
Total requests: 33 326.3 KB Load end time: 4.63s
DateLoad speedRequestsPage size
Oct. 15, 2018, 9:59 a.m. (current result)4.63s33326.3 KB
Oct. 11, 2018, 11:53 a.m.5.01s52528.5 KB
Oct. 10, 2018, 7:50 p.m.1.42s38500.5 KB
Oct. 4, 2018, 5:43 p.m.2.83s47622.7 KB
Aug. 9, 2018, 2:49 a.m.2.06s39481.5 KB
May 7, 2018, 8:17 p.m.4.38s50489.3 KB
May 7, 2018, 2:24 p.m.5.31s52486.3 KB
April 20, 2018, 7:06 a.m.2.41s48570.8 KB
April 6, 2018, 5:05 p.m.5.62s48500.6 KB

  Domain Health Check Results

DNS
4 Errors
0 Warnings
1 Passed
Web Server
0 Errors
0 Warnings
7 Passed
Mail Server
0 Errors
0 Warnings
0 Passed
Blacklist/Malware
0 Errors
0 Warnings
2 Passed

DNS

Type Test Result
DNS Get DNS Records Click "More Info" to review your DNS records.
A    151.101.1.69
A    151.101.129.69
A    151.101.193.69
A    151.101.65.69
NS   ns-1033.awsdns-01.org.
NS   ns-358.awsdns-44.com.
NS   ns-cloud-e1.googledomains.com.
NS   ns-cloud-e2.googledomains.com.
WHOIS Get WHOIS Records Click "More Info" to review your WHOIS records.
Nameservers: ns-1033.awsdns-01.org,ns-358.awsdns-44.com,ns-cloud-e1.googledomains.com,ns-cloud-e2.googledomains.com
Expires: 2019-02-02
Registrar: name.com, inc.
Nameserver DNS on ns-358.awsdns-44.com DNS record mismatch.
DNS CRITICAL - expected '151.101.1.69,151.101.129.69,151.101.193.69,151.101.65.69,ns-1033.awsdns-01.org.,ns-358.awsdns-44.com.,ns-cloud-e1.googledomains.com.,ns-cloud-e2.googledomains.com.' but got '"MS=ms52592611","google-site-verification=o3EMam8yBGo1yEjyybIiZcOunGHOQKpo8JmOtp9n1BU","google-site-verification=rdWtMbplKjbRHGr2dNONfwkqithlUvjr3u6i8QEz_mo","v=spf1 ip4:198.252.206.0/24 ip4:192.111.0.0/24 include:_spf.google.com include:mailgun.org include:sendgrid.net ip4:64.34.80.172 ip4:192.161.144.0/20 ip4:185.12.80.0/22 ip4:96.46.150.192/27 ip4:174.137.46.0/24 include:_spf1.stackoverflow.com ~all",1 aspmx.l.google.com.,10 alt3.aspmx.l.google.com.,10 alt4.aspmx.l.google.com.,151.101.1.69,151.101.129.69,151.101.193.69,151.101.65.69,5 alt1.aspmx.l.google.com.,5 alt2.aspmx.l.google.com.,ns-1033.awsdns-01.org,ns-1033.awsdns-01.org.,ns-358.awsdns-44.com.,ns-cloud-e1.googledomains.com.,ns-cloud-e2.googledomains.com.'
Nameserver DNS on ns-1033.awsdns-01.org DNS record mismatch.
DNS CRITICAL - expected '151.101.1.69,151.101.129.69,151.101.193.69,151.101.65.69,ns-1033.awsdns-01.org.,ns-358.awsdns-44.com.,ns-cloud-e1.googledomains.com.,ns-cloud-e2.googledomains.com.' but got '"MS=ms52592611","google-site-verification=o3EMam8yBGo1yEjyybIiZcOunGHOQKpo8JmOtp9n1BU","google-site-verification=rdWtMbplKjbRHGr2dNONfwkqithlUvjr3u6i8QEz_mo","v=spf1 ip4:198.252.206.0/24 ip4:192.111.0.0/24 include:_spf.google.com include:mailgun.org include:sendgrid.net ip4:64.34.80.172 ip4:192.161.144.0/20 ip4:185.12.80.0/22 ip4:96.46.150.192/27 ip4:174.137.46.0/24 include:_spf1.stackoverflow.com ~all",1 aspmx.l.google.com.,10 alt3.aspmx.l.google.com.,10 alt4.aspmx.l.google.com.,151.101.1.69,151.101.129.69,151.101.193.69,151.101.65.69,5 alt1.aspmx.l.google.com.,5 alt2.aspmx.l.google.com.,ns-1033.awsdns-01.org,ns-1033.awsdns-01.org.,ns-358.awsdns-44.com.,ns-cloud-e1.googledomains.com.,ns-cloud-e2.googledomains.com.'
Nameserver DNS on ns-cloud-e1.googledomains.com DNS record mismatch.
DNS CRITICAL - expected '151.101.1.69,151.101.129.69,151.101.193.69,151.101.65.69,ns-1033.awsdns-01.org.,ns-358.awsdns-44.com.,ns-cloud-e1.googledomains.com.,ns-cloud-e2.googledomains.com.' but got '"MS=ms52592611","google-site-verification=o3EMam8yBGo1yEjyybIiZcOunGHOQKpo8JmOtp9n1BU","google-site-verification=rdWtMbplKjbRHGr2dNONfwkqithlUvjr3u6i8QEz_mo","v=spf1 ip4:198.252.206.0/24 ip4:192.111.0.0/24 include:_spf.google.com include:mailgun.org include:sendgrid.net ip4:64.34.80.172 ip4:192.161.144.0/20 ip4:185.12.80.0/22 ip4:96.46.150.192/27 ip4:174.137.46.0/24 include:_spf1.stackoverflow.com ~all",1 aspmx.l.google.com.,10 alt3.aspmx.l.google.com.,10 alt4.aspmx.l.google.com.,151.101.1.69,151.101.129.69,151.101.193.69,151.101.65.69,5 alt1.aspmx.l.google.com.,5 alt2.aspmx.l.google.com.,ns-1033.awsdns-01.org.,ns-358.awsdns-44.com.,ns-cloud-e1.googledomains.com,ns-cloud-e1.googledomains.com.,ns-cloud-e2.googledomains.com.'
Nameserver DNS on ns-cloud-e2.googledomains.com DNS record mismatch.
DNS CRITICAL - expected '151.101.1.69,151.101.129.69,151.101.193.69,151.101.65.69,ns-1033.awsdns-01.org.,ns-358.awsdns-44.com.,ns-cloud-e1.googledomains.com.,ns-cloud-e2.googledomains.com.' but got '"MS=ms52592611","google-site-verification=o3EMam8yBGo1yEjyybIiZcOunGHOQKpo8JmOtp9n1BU","google-site-verification=rdWtMbplKjbRHGr2dNONfwkqithlUvjr3u6i8QEz_mo","v=spf1 ip4:198.252.206.0/24 ip4:192.111.0.0/24 include:_spf.google.com include:mailgun.org include:sendgrid.net ip4:64.34.80.172 ip4:192.161.144.0/20 ip4:185.12.80.0/22 ip4:96.46.150.192/27 ip4:174.137.46.0/24 include:_spf1.stackoverflow.com ~all",1 aspmx.l.google.com.,10 alt3.aspmx.l.google.com.,10 alt4.aspmx.l.google.com.,151.101.1.69,151.101.129.69,151.101.193.69,151.101.65.69,5 alt1.aspmx.l.google.com.,5 alt2.aspmx.l.google.com.,ns-1033.awsdns-01.org.,ns-358.awsdns-44.com.,ns-cloud-e1.googledomains.com,ns-cloud-e1.googledomains.com.,ns-cloud-e2.googledomains.com.'
WHOIS Domain Expiry WHOIS OK - 110 days left for domain, expires '2019-02-02'.
WHOIS OK - 110 days left for domain, expires '2019-02-02'.
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Web Server

Type Test Result
HTTP Web Server HTTP HTTP OK: HTTP/1.1 301 Moved Permanently - 766 bytes in 0.032 second response time
HTTP OK: HTTP/1.1 301 Moved Permanently - 766 bytes in 0.032 second response time
HTTPS Web Server HTTPS HTTP OK: HTTP/1.1 200 OK - 672 bytes in 0.078 second response time
HTTP OK: HTTP/1.1 200 OK - 672 bytes in 0.078 second response time
SSL Certificate SSL Certificate Expiry SSL_CERT OK - x509 certificate '*.stackexchange.com' from 'DigiCert SHA2 High Assurance Server CA' valid until Aug 14 12:00:00 2019 GMT (expires in 303 days)
SSL_CERT OK - x509 certificate '*.stackexchange.com' from 'DigiCert SHA2 High Assurance Server CA' valid until Aug 14 12:00:00 2019 GMT (expires in 303 days)
Ping (ICMP) Ping (ICMP) - 151.101.65.69 PING OK - Packet loss = 0%, RTA = 10.80 ms
PING OK - Packet loss = 0%, RTA = 10.80 ms
Ping (ICMP) Ping (ICMP) - 151.101.129.69 PING OK - Packet loss = 0%, RTA = 10.78 ms
PING OK - Packet loss = 0%, RTA = 10.78 ms
Ping (ICMP) Ping (ICMP) - 151.101.1.69 PING OK - Packet loss = 0%, RTA = 10.83 ms
PING OK - Packet loss = 0%, RTA = 10.83 ms
Ping (ICMP) Ping (ICMP) - 151.101.193.69 PING OK - Packet loss = 0%, RTA = 11.10 ms
PING OK - Packet loss = 0%, RTA = 11.10 ms
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Mail Server

Type Test Result
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Blacklist/Malware

Type Test Result
Virus & Malware Virus & Malware MALWARE OK
MALWARE OK
Blacklist Spam Blacklists OK: 151.101.65.69 not on known spam blacklists (91 blacklists checked.)
OK: 151.101.65.69 not on known spam blacklists
 (91 blacklists checked.)
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