Infrastructure
· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.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
BHTTP Probe TimingTotal 873 ms — DNS, TCP, TLS, TTFB, content transfer breakdownREVIEW
Connection waterfall
BTLS Certificate Expiry & Recommendations63 days until leaf cert expires — 3 issues to addressREVIEW
Certificate validity
Recommended actions
- Extend HSTS max-age to at least 31536000 (1 year) to meet the preload list criteria
- 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, 31 ms lookupPASS
| A | 172.64.145.133, 104.18.42.123 |
| AAAA | — |
| CNAME | — |
| NS | betty.ns.cloudflare.com, cory.ns.cloudflare.com |
| MX | 10 aspmx.l.google.com 20 alt1.aspmx.l.google.com 20 alt2.aspmx.l.google.com 30 aspmx3.googlemail.com 30 aspmx2.googlemail.com |
| TXT | google-site-verification=rmqhoQl6XMsrLwIpKs6Tmji3MJ596lp4f7gkF6bCu8s google-site-verification=V3O7-gpDskzB0iRmDevpW3KiYot7Y-Mdu2SDh9ZXCc0 have-i-been-pwned-verification=dweb_6y70c9bongp1pb80guy0guxp google-site-verification=39vxHBJAvq9wZvnxI4xzUwb7okn8fSKnXhGcW2sWNcQ google-site-verification=ZtjrFGa0mMTC70javHIX5J5vRORSNOKTPBKPWTV2rM4 google-site-verification=qULw6xIZ_Ubzx0HmXTFM46cw2e34fsvmJBMkz1AKK1U google-site-verification=HyXvxK7JfY37mcEnpL0cuzBsu8GyYtrrl2bDnhwMiV4 google-site-verification=iPF4zu3Kg90nN0RHtMRzWoZhr73GLRpk2XjP9rUmq38 google-site-verification=rCn82PmLKzCOcQKTZfFcphNmBxS7ERjqi26c9vs-SOY mt-87297910 SPF v=spf1 include:em693.placeit.net include:_spf.google.com include:mail.zendesk.co... google-site-verification=aoJB8gyEVda4PSxnwO3dT8dUHDXMsR2dZSb5nXvAU10 google-site-verification=-pOSgwW1Gm1S7jewfH65pd9cOm52IIRXejAuunlOVss google-site-verification=Y9Y0PMC_fhdDeE4tqNbA9PqfUyYaeOqnUj1E4fk_4RE |
| 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.
A+Redirect ChainNo redirects — direct accessPASS
https://placeit.net
323 ms · HTTP/1.1 FINAL
| # | URL | Status | Time | Protocol | Server |
|---|---|---|---|---|---|
| 1 | https://placeit.net | 200 | 323 ms | HTTP/1.1 | cloudflare |
A+Crawlabilityrobots.txt present, sitemap with 4 URLsPASS
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User-Agent: *
Disallow: /current_user
Disallow: /password_resets/new
Disallow: /v1
Disallow: /uploads/tmp
Disallow: /purchases
Disallow: /efs
Disallow: /account
Disallow: /favorites
Disallow: /saved_drafts
Disallow: /assign_user
Disallow: /c/*/stages/*/editor
Disallow: /stages/resolve.json*
Disallow: /api/*
Disallow: *?search=*
Disallow: *&search=*
Disallow: *?f_types=*
Disallow: *&f_types=*
Disallow: *?sortby=*
Disallow: *&sortby=*
Disallow: *?category_pages=*
Disallow: *?experience=*
Disallow: *?f_ethnicity=*
Disallow: *?age=*
Disallow: *?gender=*
Disallow: *?picker_1=*
Disallow: *?picker_0=*
Disallow: *?match=*
Disallow: *?new=*
Disallow: *?pil=*
Disallow: *?is_list=*
Disallow: *?rfsn=*
Disallow: *&category_pages=*
Disallow: *&experience=*
Disallow: *&f_ethnicity=*
Disallow: *&age=*
Disallow: *&gender=*
Disallow: *&picker_1=*
Disallow: *&picker_0=*
Disallow: *&match=*
Disallow: *&new=*
Disallow: *&pil=*
Disallow: *&is_list=*
Disallow: /?filterst=*
Disallow: /?filter_st=*
User-agent: facebookexternalhit
Allow: /uploads/tmp
User-agent: Facebot
Allow: /uploads/tmp
User-agent: meta-externalagent
Allow: /uploads/tmp
User-agent: meta-externalfetcher
Allow: /uploads/tmp
User-agent: CCBot
Disallow: /
Sitemap: https://placeit.net/sitemap.xml
A+URL Variantswww/non-www, trailing slash, HTTP→HTTPSPASS
www / non-www
Preferred variant: non-www
HTTP → HTTPS
Consistent
A+Domain Intelligenceplaceit.net — via MarkMonitor Inc., 12 years, 8 months old, hosted on CloudflarePASS
443 days
October 2, 2027
63 days
Issued by Google Trust Services
12 years, 8 months
Registered October 2, 2013
Not enabled
Protects against DNS spoofing
Cloudflare
ASN AS13335
104.18.42.123
MarkMonitor 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