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https://bsky.app

Infrastructure

· 9 checks — DNS, redirects, IPv6, crawlability, URL variants, and domain intelligence rolled into one auditable list.
SCORE
93
GRADE
A
FIX
1
REVIEW
2
PASS
6
INFO
0
Probed from Singapore, Singapore
200 OK
Checks
9
6 PASS 2 REVIEW 1 FIX
D
CDN & Delivery
Action
No CDN detected
FIX
No CDN detected
Warning::
No CDN detected
A CDN can significantly improve load times for users around the world by caching content at edge nodes closer to them.
No CDN detected

Consider using a CDN to improve global delivery speed and reduce origin load.

C
IPv6 Readiness
Action
No IPv6 support
REVIEW
No IPv6 support
Info::
No IPv6 (AAAA) records found
IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.
No IPv6 Support
About 40% of internet users have IPv6. Consider adding AAAA records.

IPv6 support is increasingly important for global accessibility. About 40% of internet users have IPv6 connectivity.

Why this matters

No AAAA records — same impact as 'no IPv6 (AAAA) records'; IPv6-preferring clients pay extra latency falling back to IPv4.

Source: Google IPv6 stats

B
TLS Certificate Expiry & Recommendations
306 days until leaf cert expires — 3 issues to address
REVIEW

Certificate validity

306
days left
0d 30d 60d 90d+

Recommended actions

  • Add the preload directive and submit to hstspreload.org once max-age + includeSubDomains are in place
  • 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, 84 ms lookup
PASS
3 A records, 84 ms lookup
Info::
Resolves to 3 IPv4 address(es)
Got: 16.58.223.71, 3.131.44.192, 3.150.196.151
Info::
No IPv6 (AAAA) records
Info::
4 nameserver(s) configured
Got: ns-1425.awsdns-50.org, ns-2001.awsdns-58.co.uk, ns-372.awsdns-46.com, ns-757.awsdns-30.net
Info::
1 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: 84 ms
Got: 84 ms
A16.58.223.71, 3.131.44.192, 3.150.196.151
AAAA—
CNAME—
NSns-1425.awsdns-50.org, ns-2001.awsdns-58.co.uk, ns-372.awsdns-46.com, ns-757.awsdns-30.net
MX
1 aspmx.l.google.com
TXT
google-site-verification=Y85ssVszowlKMCTQtWZoqCWH4x_2sV7NCCa7BlGJpiw
google-site-verification=YglIh7PA59zIzMTb-hrvNHZK8WpGjJLXWbMKof6OhR8
google-site-verification=ppFonct21Z0sM_XgszQxPAJlnwgjeDzx8Qi3xnN3FAI
SPF v=spf1 mx include:mail.zendesk.com ?all
CAALookup not available with standard resolver
Resolved in 84 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://bsky.app

https://bsky.app

771 ms · HTTP/1.1 FINAL

#URLStatusTimeProtocolServer
1https://bsky.app200771 msHTTP/1.1
A+
Crawlability
robots.txt present, sitemap with 1307 URLs
PASS
robots.txt present, sitemap with 1307 URLs
Info::
robots.txt is present
Got: 415 bytes
Info::
sitemap.xml is present
Info::
sitemap.xml is valid XML
Info::
sitemap.xml contains 1307 entries
Info::
Sitemap index with 1307 child sitemaps
Info::
robots.txt references sitemap
robots.txt 200 OK
Size 415 B Sitemaps referenced 1 User-agents * Blocking No — crawling allowed
# Hello Friends!
# If you are considering bulk or automated crawling, you may want to look in
# to our protocol (API), including a firehose of updates. See: https://atproto.com/

# By default, may crawl anything on this domain. HTTP 429 ("backoff") status
# codes are used for rate-limiting. Up to a handful concurrent requests should
# be ok.
User-Agent: *
Allow: /

Sitemap: https://bsky.app/sitemap/users.xml.gz
sitemap.xml 200 OK
Type Sitemap Index URLs 1307 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::
HTTP correctly 301-redirects to HTTPS

www / non-www

https://www.bsky.app/
200https://bsky.app/

HTTP → HTTPS

301http://bsky.app/ → https://bsky.app:443/

Consistent

A+
Domain Intelligence
bsky.app — via Squarespace Domains II LLC., 3 years, 7 months old, hosted on AWS
PASS
bsky.app — via Squarespace Domains II LLC., 3 years, 7 months old, hosted on AWS
Info::
Domain registered until Sep 27, 2028 (2 years, 5 months remaining)
Info::
DNSSEC is not enabled
DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it.
Info::
Registrar: Squarespace Domains II LLC.
Info::
Hosting: AWS
Got: AS16509
Domain expiry

808 days

September 27, 2028

SSL certificate

306 days

Issued by Amazon

Domain age

3 years, 7 months

Registered September 27, 2022

DNSSEC

Not enabled

Protects against DNS spoofing

Hosting

AWS

ASN AS16509

3.150.196.151

Registrar

Squarespace Domains II LLC.

Lock status unknown 4 NS records
Expiry timeline
Today
+1 year
Domain expiry SSL expiry Danger zone (≤30 days)
Recommended actions
  • Enable DNSSEC to protect visitors from DNS spoofing
Registrar Squarespace Domains II LLC.
Created September 27, 2022 (3 years, 7 months ago)
Expires September 27, 2028 (2 years, 5 months)
Last Updated October 10, 2025
Name Servers ns-1425.awsdns-50.org, ns-2001.awsdns-58.co.uk, ns-372.awsdns-46.com, ns-757.awsdns-30.net
DNSSEC Not enabled
Hosting
IP Address 3.150.196.151
ASN AS16509 (AMAZON-02 - Amazon.com, Inc., US)
Provider AWS
Data source: rdap (0.6s)

DNSSEC protects against DNS spoofing attacks. While not required, enabling DNSSEC adds an additional layer of security. Contact your DNS provider to enable it.

Why this matters

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

A
HTTP Probe Timing
Total 744 ms — DNS, TCP, TLS, TTFB, content transfer breakdown
PASS
DNS Lookup DNS Lookup — time to resolve the domain name to an IP address.
3 ms
TCP Connect TCP Connect — time to establish a TCP connection to the server.
246 ms
TLS Handshake TLS Handshake — time to complete the HTTPS encryption handshake.
248 ms
Time to First Byte Time to First Byte — how long the server takes to respond with the first byte of data.
745 ms
Total Time Total request time from DNS lookup through full response.
745 ms

Connection waterfall

DNS Lookup 3 ms TCP Connect 246 ms TLS Handshake 248 ms Server Processing 248 ms Content Transfer 0 ms
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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