indexo.dev

semanticscholar.org

.org toplist crawl

First seen 2026-04-11 · Last seen 2026-05-20 · ok HTTP/1.1 200 1355 ms crawled 2026-05-18

US · 3.164.206.117 · AS16509 Amazon.com, Inc.

Reputation 95/100 weak security headers

Classifying

HTML metadata

Title
Semantic Scholar | AI-Powered Research Tool
Description
Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.
Language
en
Canonical
https://www.semanticscholar.org/

Open Graph

title
Semantic Scholar | AI-Powered Research Tool
locale
en_US
description
Semantic Scholar uses groundbreaking AI and engineering to understand the semantics of scientific literature to help Scholars discover relevant research.

Technology

CDN
Amazon CloudFront
Server
nginx
Analytics
  • Google Tag Manager
Cookie consent
  • Osano
Fonts
  • Google Fonts

Third-party hosts loaded (6)

  • cmp.osano.com×2
  • www.googletagmanager.com×2
  • c09bc9c04079.edge.sdk.awswaf.com×1
  • fast.appcues.com×1
  • fonts.googleapis.com×1
  • js.hs-scripts.com×1

Registration

Registrar
Amazon Registrar, Inc.
Created
2014-09-05
Expires
2026-09-05 107 days left
Updated
2026-05-05
Name servers
  • ns-1437.awsdns-51.org
  • ns-1772.awsdns-29.co.uk
  • ns-290.awsdns-36.com
  • ns-586.awsdns-09.net

DNS records live

NS
  • ns-1437.awsdns-51.org
  • ns-1772.awsdns-29.co.uk
  • ns-290.awsdns-36.com
  • ns-586.awsdns-09.net
MX
  • 1 aspmx.l.google.com
  • 10 aspmx2.googlemail.com
  • 10 aspmx3.googlemail.com
  • 5 alt1.aspmx.l.google.com
  • 5 alt2.aspmx.l.google.com
Verified for
  • Google

Email authentication strong

SPF
v=spf1 include:_spf.google.com a mx ip4:52.10.131.143 a mx ip4:52.11.211.149 ip4:35.160.27.221 ip4:54.149.223.60 include:5910970.spf08.hubspotemail.net include:mg-spf.greenhouse.io ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; pct=100; rua=mailto:re+gr0yylpvy9w@dmarc.postmarkapp.com; sp=none; aspf=r;
policy: reject (enforced) · sp=none
DKIM
  • google: v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCTQgLZqcpzYI7MT0jne/8OZQn5WXq3v2/6Q7x+Dw2ZenIP1zqBJZ8jSj79HdNNPFYCSTTEZCo3DERT7K9UEv…
  • smtpapi: k=rsa; t=s; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDPtW5iwpXVPiH5FzJ7Nrl8USzuY9zqqzjE0D1r04xDN6qwziDnmgcFNNfMewVKN2D1O+2J9N14hRprzByFwfQW76…
selectors probed

Certificate (current)

Amazon RSA 2048 M01
from 2026-01-07 to 2027-02-05
Expires in 260 days

Full certificate history on crt.sh ↗

HTTP security headers

Header hygiene 40/100 Checked live page: https://www.semanticscholar.org/

present
  • x-frame-options
findings
  • missing HSTS
  • missing Content Security Policy
  • missing content type protection
  • missing Referrer Policy
  • missing Permissions Policy
Header values
x-frame-options
SAMEORIGIN

Links to (1)

Linked from (50)