scientificamerican.com

Domduck has read scientificamerican.com on 6 days across 5 sources, since 2 August 2026. The domain was registered in 1997. Its robots.txt blocks 4 of the 8 AI crawlers Domduck tracks.

Last checked .

Charts appear once there are seven days of readings.

AI crawler policyscientificamerican.com
4/8AI crawlers
blocked
Blocked 50.0%Allowed by name 0.0%Not named 50.0%
Read from this domain’s own robots.txt, parsed to RFC 9309.
Popularity rank#1,842Tranco
Age29yEuroDNS S.A.
Certificate72dAmazon
AI crawlers4/8blocked
Record6dsince 2026-08-02

What changed

6 days of readings
  1. 17 August 2026 (2026-08-17)
    • The certificate moved from Let's Encrypt to Amazon between 3 August 2026 and 17 August 2026.
    • The certificate was renewed between 3 August 2026 and 17 August 2026 and is valid to 9 December 2026.

Popularity rank

72 days, lower is better
scientificamerican.com popularity rank#1,842 today
2026-08-021,842 – 1,8422026-10-12
The axis is flipped, so a rise on this chart is a rise in the list.

Position in the Tranco list, a research ranking of the million most popular domains averaged over thirty days so a single day’s traffic spike cannot move it.

AI crawler policy

Redirects to www.scientificamerican.com · No llms.txt

What the domain itself says

read directly, not from a vendor
Certificate72d left
Issuer
Amazon
Valid
Yes
Expires
2026-12-09
Protocol
TLSv1.3
Names covered
4
DNS
A records
4
AAAA records
8
Mail exchangers
1
Nameservers
ns-1137.awsdns-14.org, ns-1733.awsdns-24.co.uk, ns-265.awsdns-33.com, ns-918.awsdns-50.net
DMARC policy
reject
Registration29 years old
Registered
1997-05-02
Registrar
EuroDNS S.A.
Registry status
client transfer prohibited

How scientificamerican.com compares to other .com domains

This domainscientificamerican.com
4of 8 crawlers blocked
Median .com5,228 domains
0of 8 crawlers blocked

Questions

Does scientificamerican.com block GPTBot?
Yes. scientificamerican.com's robots.txt disallows GPTBot by name.
Does scientificamerican.com publish an llms.txt file?
No. Domduck found no llms.txt at scientificamerican.com.
When was scientificamerican.com registered?
2 May 1997, through EuroDNS S.A..
Who issues scientificamerican.com's certificate?
Amazon.

How this page is made

Every number on this page is a measurement Domduck took itself or read from a public source, on a stated date. Nothing here is written by a language model. Where a value has not changed, no sentence is generated about it.

What the collectors have read · Request removal

First reading . 5 sources, 6 days with at least one reading. The popularity rank comes from the Tranco list; the registration record from RDAP, which ICANN requires registries to publish. The certificate, the DNS records and the crawler policy are read by Domduck directly from scientificamerican.com.