Infrastructure
· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.DCDN & DeliveryActionNo CDN detectedFIX
Consider using a CDN to improve global delivery speed and reduce origin load.
CIPv6 ReadinessActionNo IPv6 supportREVIEW
IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.
No AAAA records — same impact as 'no IPv6 (AAAA) records'; IPv6-preferring clients pay extra latency falling back to IPv4.
Source: Google IPv6 stats
BURL Variantswww/non-www, trailing slash, HTTP→HTTPSREVIEW
www / non-www
Inconsistent — duplicate content risk
HTTP → HTTPS
Consistent
BTLS Certificate Expiry & Recommendations178 days until leaf cert expires — 3 issues to addressREVIEW
Certificate validity
Recommended actions
- Enable HSTS: Strict-Transport-Security: max-age=31536000; includeSubDomains
- Enable DNSSEC on your domain for DNS spoofing protection
- Enable OCSP stapling on your TLS server to remove a CA roundtrip and protect user privacy
A+DNS Records2 A records, 18 ms lookupPASS
| A | 75.2.127.75, 99.83.244.133 |
| AAAA | — |
| CNAME | — |
| NS | dns4.rand.org, dns1.rand.org, dns2.rand.org, dns3.rand.org, spdns3.cscdns.net |
| MX | 10 mx1.hc6277-19.iphmx.com 10 mx2.hc6277-19.iphmx.com |
| TXT | cpbl1976qq7hfap1ums49ohcrh 2qf02mr9akchkh61n6r889mq1u asv=90043257b734ff90dc8b9ea458576c53 amazonses:n8CRUkKpdBKMTFBuhztdN0gCvKpwmirLBdwJwcKt1p0= SPF v=spf1 include:spf-ext.rand.org -all google-gws-recovery-domain-verification=43034530 MS=ms10121537 spf2.0/pra ?all google-site-verification=s4JhIsnrtS05WxBS8KuRG16-QP2OxF8ZOFsO1z9Pugk intersight=5d0ba2b6af0dadf7dc68d6d0e240b8c049dcab3ec53cc7c38f9a88fc264cd2da google-site-verification=5nM4iH1o2C9UR-4CfNl2tGu0hVp4D7nkS8ku6GYYezc google-site-verification=vaKDYSgicyM3nhRVNTYXNYDFK5oIQPYDU8_h9Xhf-Y0 IM+mnpQX+xJST3Sv4AD49jJ0QMKNdt7TVpYNqGr5s/Zoc6p1/E8t8ejH+uzXCjpvoCOa/zUvxE4h5yu4... atlassian-domain-verification=1UbaUh7Xs0hfUXfDSj/t4AP53g80oxw1nAuJHNqFacsxlharT4... adobe-idp-site-verification=d38ac5da-3033-43a1-8c61-de45af032f6f |
| CAA | Lookup not available with standard resolver |
CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
Informational: CAA (Certification Authority Authorization) records weren't checked in this scan.
ARedirect Chain1 redirect(s), 79 ms totalPASS
https://rand.org
40 ms · HTTP/1.1
https://www.rand.org:443/
39 ms · HTTP/1.1 FINAL
| # | URL | Status | Time | Protocol | Server |
|---|---|---|---|---|---|
| 1 | https://rand.org | 301 | 40 ms | HTTP/1.1 | awselb/2.0 |
| 2 | https://www.rand.org:443/ | 200 | 39 ms | HTTP/1.1 | CloudFront |
See the visual redirect chain in the HTTP Probe tab →
A+Crawlabilityrobots.txt present, sitemap with 4 URLsPASS
User-agent: *
Disallow: /test/
Disallow: /site_info/robots1.html
Disallow: /site_info/robots2.html
Disallow: /alumni/bulletin
Disallow: /search.html
Disallow: /search/advanced-search.html
Disallow: */jcr:content*.html
Disallow: */_jcr_content*.html
Disallow: */jcr:content*.xml
Disallow: */_jcr_content*.xml
Disallow: */jcr:content*.json
Disallow: */_jcr_content*.json
Disallow: /pubs/index.repec.html
Disallow: *repec.rdf
Sitemap: https://www.rand.org/sitemap-index.xml
A+Domain Intelligencerand.org — via CSC Corporate Domains, Inc., 39 years, 7 months old, hosted on AWSPASS
260 days
April 3, 2027
178 days
Issued by Amazon
39 years, 7 months
Registered April 2, 1987
Not enabled
Protects against DNS spoofing
AWS
ASN AS16509
75.2.127.75
CSC Corporate Domains, Inc.
Expiry timeline
Recommended actions
- Enable DNSSEC to protect visitors from DNS spoofing
- Enable registrar lock (clientTransferProhibited) to block unauthorized domain transfers
DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it.
Without DNSSEC, an attacker who can poison your DNS can hijack your domain — and SSL certs alone don't stop them.
Learn more ▾ ▴
DNSSEC adds cryptographic signatures to DNS records, preventing forged responses from poisoning resolver caches. Without it, an attacker who controls the network path can redirect your domain to a malicious server before any HTTPS handshake happens. Most modern registrars (Cloudflare, Google Domains, Route 53) enable it with one toggle.
Source: ICANN / RFC 4033
The domain can be transferred without an unlock step. Enable registrar lock (clientTransferProhibited) in your registrar's control panel to protect against unauthorized or accidental transfers.
Without registrar lock, an attacker who phishes your registrar credentials can transfer the domain in minutes — total brand hijack.
Learn more ▾ ▴
Registrar lock (clientTransferProhibited, clientUpdateProhibited, clientDeleteProhibited) requires extra verification before any transfer/update/delete. Every major registrar offers it free. Combined with 2FA on your registrar account, it's the strongest defense against domain hijacking.
Source: ICANN / domain-security best practice