Host Profile
www.tc.columbia.edu
fqdnDomain Rank #1,304
2
IPs
4
Tech
1
Certs
2
Cookies
19
Headers
3
MIME
4
Incoming
0
Outgoing
First Seen
2012-12-05 20:03:23
Last Seen
2026-09-27 17:32:28
Times Seen
2
Registered
1985-07-05 00:00:00
Same Domain
Observed hosts under columbia.edu
| Host | Signals | First | Last |
|---|---|---|---|
| www.tc.columbia.edu | Domain Rank #1,304IP 2Tech 4Cert 1Cookie 2Hdr 19MIME 3In 4Out 0 | 2012-12-05 | 2026-09-27 |
| iridl.ldeo.columbia.edu | Domain Rank #1,304IP 1Tech 0Cert 1Cookie 0Hdr 13MIME 1In 1Out 0 | 2026-09-22 | 2026-09-22 |
| docs.astro.columbia.edu | Domain Rank #1,304IP 1Tech 5Cert 1Cookie 2Hdr 15MIME 5In 0Out 0 | 2026-08-22 | 2026-09-10 |
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 |
|---|---|---|---|---|---|
www.caihongbashi.comRank unknown | redirects to | www.tc.columbia.edu | 2026-09-27 17:32:28 | 2026-09-27 17:32:28 | 1 |
www.caihongbashi.comRank unknown | loads from | www.tc.columbia.edu | 2026-09-27 17:32:28 | 2026-09-27 17:32:28 | 1 |
www.hdfyy.comRank unknown | redirects to | www.tc.columbia.edu | 2026-09-26 16:47:32 | 2026-09-26 16:47:32 | 1 |
www.hdfyy.comRank unknown | loads from | www.tc.columbia.edu | 2026-09-26 16:47:32 | 2026-09-26 16:47:32 | 1 |
IP Addresses
2| IP | ASN | AS Name | Country | Labels | First Seen | Last Seen | Seen |
|---|---|---|---|---|---|---|---|
| 32.199.117.169 | unknown | unknown |  US | AWS | 2026-09-27 17:32:28 | 2026-09-27 17:32:28 | 1 |
| 18.214.209.172 | AS14618 | AMAZON-AES | US | AWS | 2026-09-26 16:47:32 | 2026-09-26 16:47:32 | 1 |
New observations last 7 days
Distinct facts and relations first observed in the rolling last seven-days window.
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Technologies
4
Load balancers
Amazon Application Load Balancer (ALB) distributes incoming application traffic to increase availability and support content-based routing.
First seen2026-09-26 16:47:32
Last seen2026-09-27 17:32:28
Observations2
PaaS
Amazon Web Services (AWS) is a comprehensive cloud services platform offering compute power, database storage, content delivery and other functionality.
First seen2026-09-26 16:47:32
Last seen2026-09-27 17:32:28
Observations2
First seen2026-09-26 16:47:32
Last seen2026-09-27 17:32:28
Observations2
Security
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
First seen2026-09-26 16:47:32
Last seen2026-09-27 17:32:28
Observations2
Certificates
1Subject
Common Name
Organization
unknown
Issuer
Common Name
Organization
Valid From
2025-10-15 00:00:00
Valid To
2026-11-15 23:59:59
Cookies
2| Name | Path | SameSite | Flags | First Seen | Last Seen |
|---|---|---|---|---|---|
| AWSALB | / | unspecified | hostOnly, persistent | 2026-09-26 16:47:32 | 2026-09-27 17:32:28 |
| AWSALBCORS | / | none | secure, hostOnly, persistent | 2026-09-26 16:47:32 | 2026-09-27 17:32:28 |