Britannica
is
▲ UP
100.0% confident
Last check: 5 days ago
·
Jun 30, 2026 07:19 UTC
Social Profiles
MTI Verification Status
Live status from our automated multi-method verification engine.
| Overall Status | UP |
|---|---|
| Last Checked | Wed, Jun 24, 2026 4:39 PM |
| Confidence | 100.0% |
| Checks Passed | 2 |
| Checks Failed | 1 |
| Methods Run | 3 |
| SSL Grade | B |
| SSL Expires | 80 days |
Check Results
2
Checks Passed
1
Checks Failed
3
Methods Run
Latest Method Results
HTTP Check
FAILED
HTTP 403 in 193ms
193ms
TCP Connection
PASSED
TCP www.britannica.com:443 OK in 40ms
IP: 104.18.4.110
40ms
SSL/TLS Handshake
PASSED
SSL OK (B) in 67ms
B · 80d
IP: 104.18.5.110
67ms
Historical Checks
What is Britannica Organization?
Encyclopedia Brittanica is a leader in education and digital learning introduces the new Britannica online academic addition. The new Britannica site is packed with strong solid sources of information journal and magazine articles national statistics on every country complete ebooks. The site is full of rich and relevant multimedia photos illustrations maps videos all of these sources are available through specially designed research tools that make finding what you need fast and easy.
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Comments & Reports
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MTI Verification Details
| Method | Status | Details |
|---|---|---|
curl_http |
FAILED | HTTP 403 in 193ms |
tcp_connect |
PASSED | TCP www.britannica.com:443 OK in 40ms |
ssl_handshake |
PASSED | SSL OK (B) in 67ms |
Company Details
| Company | Britannica |
|---|---|
| Domain | www.britannica.com |
| Type | Organization |
| Monitored | Active |
Recent Uptime Checks
| Check Time | Status | Response | Method | Output |
|---|---|---|---|---|
| Jun 08 21:19:09 | UP 200 | 355ms | curl_http | HTTP 200 in 355ms |
| Jun 08 21:19:09 | UP | 36ms | tcp_connect | TCP www.britannica.com:443 OK in 36ms |
| Jun 08 21:19:09 | UP | N/A | verification_summary | N/A |
| Jun 21 01:41:39 | DOWN 403 | 195ms | curl_http | HTTP 403 in 195ms |
| Jun 21 01:41:40 | UP | 77ms | ssl_handshake | SSL OK (B) in 77ms |
| Jun 21 01:41:40 | UP | 43ms | tcp_connect | TCP www.britannica.com:443 OK in 43ms |
| Jun 21 01:41:40 | UP | N/A | verification_summary | N/A |
| Jun 24 16:39:12 | DOWN 403 | 193ms | curl_http | HTTP 403 in 193ms |
| Jun 24 16:39:12 | UP | 67ms | ssl_handshake | SSL OK (B) in 67ms |
| Jun 24 16:39:12 | UP | 40ms | tcp_connect | TCP www.britannica.com:443 OK in 40ms |
| Jun 24 16:39:12 | UP | N/A | verification_summary | N/A |
Verticals Health
| Signal | Status | UP | DOWN | UNC | UNK | Total | |
|---|---|---|---|---|---|---|---|
| NTP ntp_servers | NONE | 0 | 0 | 0 | 0 | 0 | |
| DNS dns_servers | NONE | 0 | 0 | 0 | 0 | 0 | |
| VPN vpn_servers | NONE | 0 | 0 | 0 | 0 | 0 | |
| SMTP smtp_servers | NONE | 0 | 0 | 0 | 0 | 0 | |
| HTTP http_servers | NONE | 0 | 0 | 0 | 0 | 0 | |
| SSH ssh_servers | NONE | 0 | 0 | 0 | 0 | 0 | |
| WHOIS whois_lookups | NONE | 0 | 0 | 0 | 0 | 0 | |
| CT ct_certificates | NONE | 0 | 0 | 0 | 0 | 0 | |
| Tor tor_relays | N/A | 0 | 0 | 0 | 0 | 0 | |
| Overall | NO DATA | 0 | 0 | 0 | 0 | 0 | |
NTP
ntp_servers
NONE
0UP
0DN
0UN
0UK
0Σ
View NTP
DNS
dns_servers
NONE
0UP
0DN
0UN
0UK
0Σ
View DNS
VPN
vpn_servers
NONE
0UP
0DN
0UN
0UK
0Σ
View VPN
SMTP
smtp_servers
NONE
0UP
0DN
0UN
0UK
0Σ
View SMTP
HTTP
http_servers
NONE
0UP
0DN
0UN
0UK
0Σ
View HTTP
SSH
ssh_servers
NONE
0UP
0DN
0UN
0UK
0Σ
View SSH
WHOIS
whois_lookups
NONE
0UP
0DN
0UN
0UK
0Σ
View WHOIS
CT
ct_certificates
NONE
0UP
0DN
0UN
0UK
0Σ
View CT
Tor
tor_relays
N/A
0UP
0DN
0UN
0UK
0Σ
View Tor
Overall
all 9 verticals
NO DATA
0UP
0DN
0UN
0UK
0Σ
UNCERTAIN = data source temporarily unavailable. DOWN = target unreachable.