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https://doaj.org

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
100
GRADE
A+
FIX
0
REVIEW
1
PASS
7
INFO
1
Probed from Madrid, Spain
200 OK
Checks
9
7 PASS 1 REVIEW
B
TLS Certificate Expiry & Recommendations
86 days until leaf cert expires — 3 issues to address
REVIEW

Certificate validity

86
days left
0d 30d 60d 90d+

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 Records
3 A records, 36 ms lookup
PASS
3 A records, 36 ms lookup
Info::
Resolves to 3 IPv4 address(es)
Got: 104.26.13.243, 172.67.75.26, 104.26.12.243
Info::
Has 3 IPv6 (AAAA) record(s)
Got: 2606:4700:20::681a:cf3, 2606:4700:20::681a:df3, 2606:4700:20::ac43:4b1a
Info::
2 nameserver(s) configured
Got: lana.ns.cloudflare.com, darwin.ns.cloudflare.com
Info::
7 mail exchanger(s) configured
Info::
CAA records not checked
CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.
Info::
SPF record present in TXT
Info::
DNS resolution time: 36 ms
Got: 36 ms
A104.26.13.243, 172.67.75.26, 104.26.12.243
AAAA2606:4700:20::681a:cf3, 2606:4700:20::681a:df3, 2606:4700:20::ac43:4b1a
CNAME
NSlana.ns.cloudflare.com, darwin.ns.cloudflare.com
MX
1 aspmx.l.google.com
5 alt2.aspmx.l.google.com
5 alt1.aspmx.l.google.com
10 smtp1.speednames.com
10 aspmx3.googlemail.com
10 aspmx2.googlemail.com
20 smtp2.speednames.com
TXT
SPF v=spf1 include:_spf.google.com include:mailgun.org ~all
google-site-verification=hvwBB9ZfLa1qG4dzyFBmhdJnyjoJbe9urPyo5ZQgxGY
CAALookup not available with standard resolver
Resolved in 36 ms

CAA record lookup requires a specialized DNS resolver. This check will be available in a future update.

Why this matters

Informational: CAA (Certification Authority Authorization) records weren't checked in this scan.

A+
Redirect Chain
No redirects — direct access
PASS
No redirects — direct access
Info::
No redirects — direct access
Got: https://doaj.org

https://doaj.org

168 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://doaj.org200168 msHTTP/1.1cloudflare
A+
IPv6 Readiness
IPv6 reachable (17 ms)
PASS
IPv6 reachable (17 ms)
Info::
IPv6 is configured and reachable at 2606:4700:20::681a:cf3, 2606:4700:20::681a:df3, 2606:4700:20::ac43:4b1a
Got: 17 ms connect
IPv6 Ready
AAAA Records 2606:4700:20::681a:cf3, 2606:4700:20::681a:df3, 2606:4700:20::ac43:4b1a Connection Reachable (17 ms)
A+
Crawlability
robots.txt present, sitemap with 91 URLs
PASS
robots.txt present, sitemap with 91 URLs
Info::
robots.txt is present
Got: 2033 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 91 entries
Info::
Sitemap index with 91 child sitemaps
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 2033 B Sitemaps referenced 3 User-agents Google-Extended, GPTBot, meta-externalagent, *, Applebot-Extended, Bytespider, CCBot, ClaudeBot, CloudflareBrowserRenderingCrawler, Amazonbot Blocking No — crawling allowed
# As a condition of accessing this website, you agree to abide by the following
# content signals:

# (a)  If a Content-Signal = yes, you may collect content for the corresponding
#      use.
# (b)  If a Content-Signal = no, you may not collect content for the
#      corresponding use.
# (c)  If the website operator does not include a Content-Signal for a
#      corresponding use, the website operator neither grants nor restricts
#      permission via Content-Signal with respect to the corresponding use.

# The content signals and their meanings are:

# search:   building a search index and providing search results (e.g., returning
#           hyperlinks and short excerpts from your website's contents). Search does not
#           include providing AI-generated search summaries.
# ai-input: inputting content into one or more AI models (e.g., retrieval
#           augmented generation, grounding, or other real-time taking of content for
#           generative AI search answers).
# ai-train: training or fine-tuning AI models.

# ANY RESTRICTIONS EXPRESSED VIA CONTENT SIGNALS ARE EXPRESS RESERVATIONS OF
# RIGHTS UNDER ARTICLE 4 OF THE EUROPEAN UNION DIRECTIVE 2019/790 ON COPYRIGHT
# AND RELATED RIGHTS IN THE DIGITAL SINGLE MARKET.

# BEGIN Cloudflare Managed content

User-agent: *
Content-Signal: search=yes,ai-train=no
Allow: /

User-agent: Amazonbot
Disallow: /

User-agent: Applebot-Extended
Disallow: /

User-agent: Bytespider
Disallow: /

User-agent: CCBot
Disallow: /

User-agent: ClaudeBot
Disallow: /

User-agent: CloudflareBrowserRenderingCrawler
Disallow: /

User-agent: Google-Extended
Disallow: /

User-agent: GPTBot
Disallow: /

User-agent: meta-externalagent
Disallow: /

# END Cloudflare Managed Content

Sitemap: https://doaj.org/sitemap_index_0.xml
Sitemap: https://doaj.org/sitemap_index_1.xml
Sitemap: https://doaj.org/sitemap_index_2.xml

User-agent: *
Disallow: /search/
Disallow: /query/
Disallow: /account/
Disallow: /admin/
Disallow: /editor/
Disallow: /publisher/
Disallow: /cookie_consent

sitemap.xml 200 OK
Type Sitemap Index URLs 91 entries Valid XML Yes
Child Sitemaps:
A+
URL Variants
www/non-www, trailing slash, HTTP→HTTPS
PASS
www/non-www, trailing slash, HTTP→HTTPS
Info::
www/non-www redirect configured correctly (preferred: non-www)
Info::
HTTP correctly 301-redirects to HTTPS

www / non-www

301https://www.doaj.org/
200https://doaj.org/

Preferred variant: non-www

HTTP → HTTPS

301http://doaj.org/ https://doaj.org/

Consistent

A+
HTTP Probe Timing
Total 219 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
32 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
16 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
22 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
218 ms
Total Time Total request time from DNS lookup through full response.
219 ms

Connection waterfall

DNS Lookup 32 ms TCP Connect 16 ms TLS Handshake 22 ms Server Processing 149 ms Content Transfer 1 ms
A
CDN & Delivery
Cloudflare (DYNAMIC)
PASS
Cloudflare (DYNAMIC)
Info::
Site is served via Cloudflare CDN (edge: CDG)
Got: cf-ray: 9eff7e98ba6722a5-CDG
Info::
CDN cache status: DYNAMIC
CDN Detected: Cloudflare
Provider Cloudflare Cache Status DYNAMIC Evidence cf-ray: 9eff7e98ba6722a5-CDG
Domain Intelligence
Domain intelligence data not available
INFO
Domain intelligence data not available

RDAP and WHOIS lookup both failed

All checks on this page are automated. Results are estimates - run targeted manual reviews when the score affects a release decision.

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