Host Profile
doi.org
fqdnRank #267
3
IPs
5
Tech
2
Certs
0
Cookies
24
Headers
5
MIME
3
Incoming
13
Outgoing
First Seen
2013-02-08 10:40:53
Last Seen
2026-09-22 08:38:52
Times Seen
37
Registered
1999-01-19 00:00:00
Same Domain
Observed hosts under doi.org
| Host | Signals | First | Last |
|---|---|---|---|
| doi.org | Rank #267IP 3Tech 5Cert 2Cookie 0Hdr 24MIME 5In 3Out 13 | 2013-02-08 | 2026-09-22 |
| dx.doi.org | Rank #1,345IP 2Tech 2Cert 1Cookie 0Hdr 17MIME 1In 1Out 2 | 2012-07-21 | 2026-09-19 |
Relations
redirects to: source redirected the browser to target.
loads from: source loaded scripts, images, stylesheets, fonts, media, or similar resources from target.
calls: source made active requests to target, such as fetch, XHR, beacon, websocket, or eventsource.
embeds: source embedded target in a frame, iframe, object, or embed.
Hosts observed redirecting, loading, calling, or embedding one another.
| Source | Relation | Target | First Seen | Last Seen | Seen |
|---|---|---|---|---|---|
| doi.org | loads from | kit.fontawesome.comRank #19,175 | 2026-09-22 08:32:37 | 2026-09-22 08:38:52 | 2 |
| doi.org | loads from | p.typekit.netRank #4,762 | 2026-09-22 08:32:37 | 2026-09-22 08:38:52 | 2 |
| doi.org | loads from | use.typekit.netRank #4,158 | 2026-09-22 08:32:37 | 2026-09-22 08:38:52 | 2 |
| doi.org | loads from | challenges.cloudflare.comRank #6,143 | 2026-09-22 08:32:37 | 2026-09-22 08:38:52 | 2 |
| doi.org | embeds | challenges.cloudflare.comRank #6,143 | 2026-09-22 08:32:37 | 2026-09-22 08:38:52 | 2 |
| doi.org | loads from | cdn.jsdelivr.netRank #1,447 | 2026-09-22 08:32:37 | 2026-09-22 08:38:52 | 2 |
| doi.org | loads from | fonts.googleapis.comRank #215 | 2026-09-22 08:32:37 | 2026-09-22 08:38:52 | 2 |
| doi.org | redirects to | linkinghub.elsevier.comRank #366,198 | 2026-09-19 10:59:01 | 2026-09-19 10:59:01 | 1 |
| doi.org | redirects to | www.tandfonline.comRank #28,593 | 2026-09-16 00:29:22 | 2026-09-16 00:46:09 | 2 |
api.bestedm.netDomain Rank #374,435 | redirects to | doi.org | 2026-09-01 22:36:13 | 2026-09-16 00:46:09 | 31 |
| doi.org | redirects to | doi.apa.orgDomain Rank #1,417 | 2026-09-14 13:08:54 | 2026-09-14 13:08:54 | 1 |
eur02.safelinks.protection.outlook.comRank #95,401 | redirects to | doi.org | 2026-09-14 13:08:54 | 2026-09-14 13:08:54 | 1 |
| doi.org | redirects to | nvlpubs.nist.govDomain Rank #300 | 2026-09-08 05:27:37 | 2026-09-14 04:41:48 | 2 |
gcc02.safelinks.protection.outlook.comRank #56,503 | redirects to | doi.org | 2026-09-08 05:27:37 | 2026-09-14 04:41:48 | 2 |
| doi.org | redirects to | www.worldscientific.comRank #427,115 | 2026-09-09 00:46:52 | 2026-09-09 01:47:07 | 26 |
| doi.org | redirects to | www.sciengine.comDomain Rank #95,154 | 2026-09-01 22:36:13 | 2026-09-01 22:36:40 | 3 |
IP Addresses
3| IP | ASN | AS Name | Country | Labels | First Seen | Last Seen | Seen |
|---|---|---|---|---|---|---|---|
| 172.67.69.3 | AS13335 | CLOUDFLARENET | - | Cloudflare | 2026-09-08 05:27:37 | 2026-09-22 08:38:52 | 19 |
| 104.26.4.132 | AS13335 | CLOUDFLARENET | - | Cloudflare | 2026-09-01 22:36:13 | 2026-09-19 10:59:01 | 12 |
| 104.26.5.132 | AS13335 | CLOUDFLARENET | - | Cloudflare | 2026-09-09 00:46:52 | 2026-09-16 00:46:09 | 6 |
New observations last 7 days
Distinct facts and relations first observed in the rolling last seven-days window.
Loading new observations...
Technologies
5First seen2026-09-22 08:32:37
Last seen2026-09-22 08:38:52
Observations2
CDN
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
First seen2026-09-01 22:36:13
Last seen2026-09-22 08:38:52
Observations37
First seen2026-09-22 08:32:37
Last seen2026-09-22 08:38:52
Observations2
Security
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
First seen2026-09-01 22:36:13
Last seen2026-09-22 08:38:52
Observations37
CDN
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
First seen2026-09-22 08:32:37
Last seen2026-09-22 08:38:52
Observations2
Certificates
2Subject
Common Name
Organization
unknown
Issuer
Common Name
Organization
Valid From
2026-09-14 16:03:53
Valid To
2026-12-13 17:03:45
Subject
Common Name
Organization
unknown
Issuer
Common Name
Organization
Valid From
2026-07-17 15:18:36
Valid To
2026-10-15 16:18:08
Cookies
0No cookies observed.
HTTP Headers
24MIME Types
5Seen 2 times
Seen 2 times
Seen 2 times
Seen 35 times
Seen 2 times