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https://iol.co.za

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
98
GRADE
A+
FIX
0
REVIEW
1
PASS
7
INFO
1
Probed from New York, United Stated
200 OK
Checks
9
7 PASS 1 REVIEW
B
TLS Certificate Expiry & Recommendations
74 days until leaf cert expires — 3 issues to address
REVIEW

Certificate validity

74
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
2 A records, 239 ms lookup
PASS
2 A records, 239 ms lookup
Info::
Resolves to 2 IPv4 address(es)
Got: 104.20.43.164, 172.66.168.156
Info::
Has 2 IPv6 (AAAA) record(s)
Got: 2606:4700:10::ac42:a89c, 2606:4700:10::6814:2ba4
Info::
2 nameserver(s) configured
Got: coco.ns.cloudflare.com, pete.ns.cloudflare.com
Info::
9 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
Warning::
DNS resolution is slow (239 ms)
Slow DNS adds latency to every page load. Consider a faster DNS provider.
Got: 239 ms
A104.20.43.164, 172.66.168.156
AAAA2606:4700:10::ac42:a89c, 2606:4700:10::6814:2ba4
CNAME—
NScoco.ns.cloudflare.com, pete.ns.cloudflare.com
MX
1 aspmx.l.google.com
5 alt2.aspmx.l.google.com
5 alt1.aspmx.l.google.com
10 alt3.aspmx.l.google.com
10 iol.co.za.s200a1.psmtp.com
10 alt4.aspmx.l.google.com
20 iol.co.za.s200a2.psmtp.com
30 iol.co.za.s200b1.psmtp.com
40 iol.co.za.s200b2.psmtp.com
TXT
amazonses:7WSf2uNTjwXlLSMt2s+GFAFT0emPbstAGHYc/ghMMYI=
globalsign-domain-verification=CCF50F5A6FD72197F3F034260BF6E4A1
google-site-verification=iQCzO2whcLNU6_F3xi1Dck7JMALz7869mBLTQf08wJo
google-site-verification=ttxwqtvld4Cx3sAO1_v-DCg7k7ArhMMPQVx3eVvv2z0
SPF v=spf1 include:_spf.google.com ~all
CAALookup not available with standard resolver
Resolved in 239 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.

Slow DNS adds latency to every page load. Consider a faster DNS provider.

Why this matters

DNS resolution is slow — anycast DNS providers (Cloudflare, Route 53) typically resolve <50ms globally.

Source: DNS performance benchmarks

A+
Redirect Chain
No redirects — direct access
PASS
No redirects — direct access
Info::
No redirects — direct access
Got: https://iol.co.za

https://iol.co.za

535 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://iol.co.za200535 msHTTP/1.1cloudflare
A+
IPv6 Readiness
IPv6 reachable (2 ms)
PASS
IPv6 reachable (2 ms)
Info::
IPv6 is configured and reachable at 2606:4700:10::ac42:a89c, 2606:4700:10::6814:2ba4
Got: 2 ms connect
IPv6 Ready
AAAA Records 2606:4700:10::ac42:a89c, 2606:4700:10::6814:2ba4 Connection Reachable (2 ms)
A+
Crawlability
robots.txt present, sitemap with 12 URLs
PASS
robots.txt present, sitemap with 12 URLs
Info::
robots.txt is present
Got: 1150 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 12 entries
Info::
Sitemap index with 12 child sitemaps
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 1150 B Sitemaps referenced 1 User-agents Applebot-Extended, ChatGPT-User, DuckAssistBot, FriendlyCrawler, Google-Extended, GPTBot, semrushbot-ba, serpstatbot, FacebookBot, Bytespider, CCBot, cohere-ai, DataForSeoBot, Diffbot, Google-CloudVertexBot, semrushbot-si, Amazonbot, ClaudeBot, omgili, semrushbot-ct, semrushbot-swa, zoombot, *, anthropic-ai, Claude-Web, semrushbot Blocking No — crawling allowed
User-agent: *
Disallow: /api/
Disallow: /_next/
Disallow: /_next/static/
Disallow: /_next/data/
Disallow: /private/
Disallow: /search?q=*
Allow: /

# Disallow specific bots
User-agent: Amazonbot
Disallow: /

User-agent: anthropic-ai
Disallow: /

User-agent: Applebot-Extended
Disallow: /

User-agent: Bytespider
Disallow: /

User-agent: CCBot
Disallow: /

User-agent: ChatGPT-User
Disallow: /

User-agent: ClaudeBot
Disallow: /

User-agent: Claude-Web
Disallow: /

User-agent: cohere-ai
Disallow: /

User-agent: DataForSeoBot
Disallow: /

User-agent: Diffbot
Disallow: /

User-agent: DuckAssistBot
Disallow: /

User-agent: FacebookBot
Disallow: /

User-agent: FriendlyCrawler
Disallow: /

User-agent: Google-CloudVertexBot
Disallow: /

User-agent: Google-Extended
Disallow: /

User-agent: GPTBot
Disallow: /

User-agent: omgili
Disallow: /

User-agent: semrushbot
Disallow: /

User-agent: semrushbot-ba
Disallow: /

User-agent: semrushbot-ct
Disallow: /

User-agent: semrushbot-si
Disallow: /

User-agent: semrushbot-swa
Disallow: /

User-agent: serpstatbot
Disallow: /

User-agent: zoombot
Disallow: /

# Sitemaps
Sitemap: https://iol.co.za/sitemap/
sitemap.xml 200 OK
Type Sitemap Index URLs 12 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.iol.co.za/
200https://iol.co.za/

Preferred variant: non-www

HTTP → HTTPS

301http://iol.co.za/ → https://iol.co.za/

Consistent

A+
HTTP Probe Timing
Total 354 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
237 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
1 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
10 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
304 ms
Total Time Total request time from DNS lookup through full response.
354 ms

Connection waterfall

DNS Lookup 237 ms TCP Connect 1 ms TLS Handshake 10 ms Server Processing 56 ms Content Transfer 50 ms
A+
CDN & Delivery
Cloudflare (HIT)
PASS
Cloudflare (HIT)
Info::
Site is served via Cloudflare CDN (edge: EWR)
Got: cf-ray: 9f00ac9b4d866a52-EWR
Info::
CDN cache status: HIT
CDN Detected: Cloudflare
Provider Cloudflare Cache Status HIT Evidence cf-ray: 9f00ac9b4d866a52-EWR
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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