indexo.dev

chemspider.com

.com crawl

First seen 2026-04-14 · Last seen 2026-05-13 · error HTTP 403 crawled 2026-05-06 5 attempts

US · 76.223.34.124 · AS16509 Amazon.com, Inc.

Reputation 90/100 crawl error

Classifying

via Internet Archive Data from 2026-05-06 — live crawl blocked by site

HTML metadata

Title
ChemSpider: Search and Share Chemistry - Homepage
Description
A free chemical structure database providing fast text and structure search access to over 130 million structures from hundreds of data sources.
Language
en

Technology

CMS
Nuxt

Social

Registration

Registrar
DomainSpot LLC
Created
2006-11-04
Expires
2027-11-04 534 days left
Updated
2025-09-08
Name servers
  • a1-90.akam.net
  • a22-67.akam.net
  • a28-64.akam.net
  • a3-65.akam.net
  • a6-66.akam.net
  • a7-67.akam.net

DNS records live

NS
  • a1-90.akam.net
  • a22-67.akam.net
  • a28-64.akam.net
  • a3-65.akam.net
  • a6-66.akam.net
  • a7-67.akam.net
MX
  • 10 eu-smtp-inbound-1.mimecast.com
  • 10 eu-smtp-inbound-2.mimecast.com
TXT
  • google-site-verification=Dx2K2U99zQOhg72BNVPX0JCvry2uJPB7LOYdXktnbwI
  • 5z5pz87d4c9pklbxl805g2xh2pj5kyrv
  • g0s4px6dx1bf76jgt7cq6wq33b2zcd10

Email authentication strong

SPF
v=spf1 include:eu._netblocks.mimecast.com ~all
softfail (~all)
DMARC
v=DMARC1; p=reject; rua=mailto:0e4420c99bf9995@rep.dmarcanalyzer.com; ruf=mailto:0e4420c99bf9995@for.dmarcanalyzer.com; fo=1;
policy: reject (enforced)
DKIM
no key found at common selectors

Certificate (current)

R13
from 2026-04-04 to 2026-07-03
Expires in 45 days

Full certificate history on crt.sh ↗

Linked from (1)