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.
BRedirect Chain1 redirect(s), 1076 ms totalREVIEW
https://ieee.org
851 ms · HTTP/1.0
https://www.ieee.org/
225 ms · HTTP/1.1 FINAL
| # | URL | Status | Time | Protocol | Server |
|---|---|---|---|---|---|
| 1 | https://ieee.org | 301 | 851 ms | HTTP/1.0 | BigIP |
| 2 | https://www.ieee.org/ | 418 | 225 ms | HTTP/1.1 |
See the visual redirect chain in the HTTP Probe tab →
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
CCrawlabilityActionno robots.txt, sitemap with 0 URLsREVIEW
robots.txt is optional but recommended. It tells search engine crawlers which pages to index.
No robots.txt — crawlers fetch /robots.txt and get 404; not breaking but means default crawl behavior with no directives or sitemap reference.
Learn more ▾ ▴
A minimal robots.txt with `User-agent: * / Allow: / / Sitemap: https://example.com/sitemap.xml` covers the basics. Without it, crawlers behave fine but lose the sitemap signal and can't be selectively blocked from crawl-traps.
Source: robotstxt.org
Search engines may not be able to parse the sitemap. Fix XML validation errors.
An unparseable sitemap is silently ignored by Google — the URLs it advertises are never queued for crawl.
Learn more ▾ ▴
Google's sitemap parser is strict about XML validity. A single unescaped `&` or unclosed tag invalidates the whole file. Run your sitemap through a validator (Search Console's Sitemaps report flags it) and fix the offending entry. Most generators escape correctly; mistakes usually come from manually-written entries.
Source: sitemaps.org / Google Search Central
An empty sitemap provides no value. Add <url> entries for your pages.
An empty sitemap signals 'no content to index' to Google — actively harmful versus having no sitemap at all.
Learn more ▾ ▴
Google compares URLs in the sitemap against URLs it has crawled. An empty sitemap on a site with thousands of pages signals abandonment. Either populate it correctly (most CMSes auto-generate) or delete the file and let Google crawl normally.
Source: Google Search Central / sitemaps.org
No robots.txt found
This is fine for most sites — a missing robots.txt allows all crawling by default.
BHTTP Probe TimingTotal 927 ms — DNS, TCP, TLS, TTFB, content transfer breakdownREVIEW
Connection waterfall
CTLS Certificate Expiry & RecommendationsAction18 days until leaf cert expires — 4 issues to addressREVIEW
Certificate validity
Recommended actions
- Renew certificate — 18 days remaining
- 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
ADNS Records1 A records, 1216 ms lookupPASS
| A | 140.98.193.152 |
| AAAA | — |
| CNAME | — |
| NS | ns1.ieee.org, ns2.ieee.org, ns3.ieee.org |
| MX | 10 aspmx.l.google.com 20 alt1.aspmx.l.google.com 30 alt2.aspmx.l.google.com 40 alt3.aspmx.l.google.com 50 alt4.aspmx.l.google.com |
| TXT | google-site-verification=P2bVhudsvpsMWeIrq7COtc-RyYeWOOl-q2o4n2ll8jw webexdomainverification.4C675B89B682B136E053AB06FC0A3F65=c73ce198-d532-4799-af31... Dynatrace-site-verification=5cd09cc7-c147-47cd-9da4-ab45514529a7__scrnogb0u18bm4... MS=ms51129387 apple-domain-verification=xgLwFm7hFv44ySri atlassian-domain-verification=NSfasanypAdTpLGLhislzO3ahCe6DPBJv5caPTQ0OiQxOOm8nK... _globalsign-domain-verification=JUnDrg6tNZLhXTpEOq2cDEKAb5BH15BpHB2d0X2ifP adobe-idp-site-verification=66e37d5f37cffff08dd0f232c1458c79e2d0e928df359617a2dc... ZOOM_verify_4M0XogPFsXwBH8wCO11wSh zoho-verification=zb86123225.zmverify.zoho.in yahoo-verification-key=c+4UmcXhuFgudcFwqWhprRUXLyH34diPy/QxeDhdoC8= yahoo-verification-key=8HveEx53g+wBX6twevO7D6vYSB+w4S+PQXp8pUmBPno= canva-site-verification=q1jN5j9djXFC67uSCefSCQ fastly-domain-delegation-hxzgdzrb9vfdtxc7ur3s-00524712-2025-09-25 miro-verification=24e452845616d0a571402938a7608473f0141262 google-site-verification=vcLtcy14ndAq4dE7qwqE_tkEYkR8Uzrg1EY_E-d9K8U google-site-verification=JSRJlBYzYRQF4vWab59UJwqOcX_KJ9tP6YoM1Ge_ZIo SPF v=spf1 include:_spf.ieee.org include:_spf.google.com ~all google-site-verification=MryMzRhR1CrzgfX6WP__71gdEPTGHaXVb4cFUmRaqFU 11a3fb5cde6068bce5fbc0be4c0b9e498931e869b0fab57a5ff343401b1dd4f4 google-site-verification=osK8meJOjv53gQAhDxAqnhtIUFepFlNBS8lvKXVJ2pM MS=5C78F0135C203AF0F3872C451913DF24EB699265 google-site-verification=rLYu4052yxnOJ5BLbgMmOguTki54ibiBloFbPFkBttE |
| CAA | Lookup not available with standard resolver |
Multiple A records provide failover if one server goes down.
Single A record means a single point of failure — if that IP goes down, your site is unreachable until DNS TTL expires.
Learn more ▾ ▴
Add multiple A records for round-robin failover, or use a managed DNS provider with health-checked failover (Route 53, Cloudflare, NS1). Short TTL (60-300s) lets clients recover faster on outages.
Source: SRE practice / DNS architecture
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.
Slow DNS adds latency to every page load. Consider a faster DNS provider.
DNS resolution is slow — anycast DNS providers (Cloudflare, Route 53) typically resolve <50ms globally.
Source: DNS performance benchmarks
A+URL Variantswww/non-www, trailing slash, HTTP→HTTPSPASS
www / non-www
HTTP → HTTPS
Consistent
A+Domain Intelligenceieee.org — via Network Solutions, LLC, 36 years, 10 months old, hosted on IEEE - Institute of Electrical and Electronics Engineers, Inc, USPASS
504 days
November 30, 2027
18 days
Issued by GlobalSign nv-sa
36 years, 10 months
Registered December 1, 1989
Not enabled
Protects against DNS spoofing
IEEE - Institute of Electrical and Electronics Engineers, Inc, US
ASN AS13462
140.98.193.152
Network Solutions, LLC
Expiry timeline
Recommended actions
- Renew the TLS certificate or verify auto-renewal is working
- 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