Yes — osluh.com has IPv6.

Has both IPv4 (A) and IPv6 (AAAA) addresses.

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 osluh.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:b58 answers · 443✓ 2606:4700:3036::ac43:a5b1 answers · 443	yes
www over IPv6 www.osluh.com has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3034::6815:b58 answers · 443✓ 2606:4700:3036::ac43:a5b1 answers · 443	yes
Mail servers (MX) have IPv6 No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.	yes
Nameservers have IPv6 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up. elly.ns.cloudflare.com ✓eugene.ns.cloudflare.com ✓	yes

HTTPS over IPv6 · not part of the grade yet
Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.

https://osluh.com/ via 2606:4700:3034::6815:b58 → 302https://axoquant-one.cloudflareaccess.com/cdn-cgi/access/login/osluh.com?kid=8d05f41a8074881a057ac16de9ef8a96b9d053a2acbcd877c844d3e769a22984&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjRmMzk2YWFhY2YzOWQ1YjQxY2Y2MDQxYzUzYzI4ODM5OWMxZTZiZDI5MDU2NTE1ZWM4NmI1OWFiZDdkMjFmMGEifQ.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.Kq-8LA2-gqMkj4HNlxwVJelOBPaQlS7QJpSGa74jGRHk7wzyW_WmdFQXETTG9zruWE4VzMkUeKn9uZNPJTeARWADn5_nWwJrBhRwkd4ZydhARpLu0TZ1NMB83wE3F8wfS6lly6JvOzdJJLNmBGgJ5QqM0cYp5ozElFhlYUcoxgXNBhFm751A5X9aS70FZod97gFoypNjkrY8EbhLTJkimj5ZAsk_oLR5w1zyYEDetwW9fZgsnhEt9oSNjP-2OVJPK2QryzLhJRVRJ3oYH_Z9ujd_Y-SPlA5_VbO3BKCicChRzx1_2dfB3FyQDr6n5aiYF1P_mv90j2TW9PfSpnVYfw&redirect_url=%2F via 2606:4700:300a::6813:c21d → 200

works

Nothing keeping you from an A

Nothing to fix
Show it off: add the badge to your README.
[![IPv6](https://aaaa.bot/badge/osluh.com.svg)](https://aaaa.bot/osluh.com)

Check again

osluh.com Has IPv6

A (IPv4)	104.21.11.88 172.67.165.177
AAAA (IPv6)	2606:4700:3034::6815:b58 2606:4700:3036::ac43:a5b1

www.osluh.com Has IPv6

A (IPv4)	172.67.165.177 104.21.11.88
AAAA (IPv6)	2606:4700:3034::6815:b58 2606:4700:3036::ac43:a5b1

Browsers on dual-stack networks will usually pick IPv6 here (the "Happy Eyeballs" algorithm races both and prefers v6).

Copy the evidence — a citation-ready record of this measurement

IPv6 measurement: osluh.com
Measured 2026-11-14 05:17:05 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    104.21.11.88, 172.67.165.177
AAAA (IPv6): 2606:4700:3034::6815:b58, 2606:4700:3036::ac43:a5b1
www AAAA:    2606:4700:3034::6815:b58, 2606:4700:3036::ac43:a5b1

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: osluh.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3034::6815:b58: answers (TCP 443)
    2606:4700:3036::ac43:a5b1: answers (TCP 443)
- www over IPv6: www.osluh.com has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3034::6815:b58: answers (TCP 443)
    2606:4700:3036::ac43:a5b1: answers (TCP 443)
- Mail servers (MX) have IPv6: No MX records, so mail goes to the domain's own address (implicit MX). It has an AAAA record.
- Nameservers have IPv6: 2 of 2 nameservers checked have an AAAA record, so IPv6-only resolvers can look the domain up.

Reachability = a TCP connection opened on port 443 (or 80).

HTTPS over IPv6 (not graded): Loads over IPv6 with a valid certificate after 1 redirect: HTTP 200.
    https://osluh.com/ via 2606:4700:3034::6815:b58 -> HTTP 302, certificate: valid
    https://axoquant-one.cloudflareaccess.com/cdn-cgi/access/login/osluh.com?kid=8d05f41a8074881a057ac16de9ef8a96b9d053a2acbcd877c844d3e769a22984&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjRmMzk2YWFhY2YzOWQ1YjQxY2Y2MDQxYzUzYzI4ODM5OWMxZTZiZDI5MDU2NTE1ZWM4NmI1OWFiZDdkMjFmMGEifQ.eyJ0eXBlIjoibWV0YSIsImF1ZCI6IjhkMDVmNDFhODA3NDg4MWEwNTdhYzE2ZGU5ZWY4YTk2YjlkMDUzYTJhY2JjZDg3N2M4NDRkM2U3NjlhMjI5ODQiLCJob3N0bmFtZSI6Im9zbHVoLmNvbSIsInJlZGlyZWN0X3VybCI6Ii8iLCJzZXJ2aWNlX3Rva2VuX3N0YXR1cyI6ZmFsc2UsImlzX3dhcnAiOmZhbHNlLCJpc19nYXRld2F5IjpmYWxzZSwiZXhwIjoxNzk0NjMzNzI1LCJuYmYiOjE3OTQ2MzM0MjUsImlhdCI6MTc5NDYzMzQyNSwiYXV0aF9zdGF0dXMiOiJOT05FIiwibXRsc19hdXRoIjp7ImNlcnRfaXNzdWVyX2RuIjoiIiwiY2VydF9zZXJpYWwiOiIiLCJjZXJ0X2lzc3Vlcl9za2kiOiIiLCJjZXJ0X3ByZXNlbnRlZCI6ZmFsc2UsImNvbW1vbl9uYW1lIjoiIiwiYXV0aF9zdGF0dXMiOiJOT05FIn0sInJlYWxfY291bnRyeSI6IlVTIiwiYXBwX3Nlc3Npb25faGFzaCI6IjBlMTEwYmM5Zjc4ZGYyNmNmODg2MTk1MzBlNjQxMWI5NTRjMzBhZmYzYTQ4ZDg1NWUxNTFmZmUzNGQwNzM4MTgifQ.Kq-8LA2-gqMkj4HNlxwVJelOBPaQlS7QJpSGa74jGRHk7wzyW_WmdFQXETTG9zruWE4VzMkUeKn9uZNPJTeARWADn5_nWwJrBhRwkd4ZydhARpLu0TZ1NMB83wE3F8wfS6lly6JvOzdJJLNmBGgJ5QqM0cYp5ozElFhlYUcoxgXNBhFm751A5X9aS70FZod97gFoypNjkrY8EbhLTJkimj5ZAsk_oLR5w1zyYEDetwW9fZgsnhEt9oSNjP-2OVJPK2QryzLhJRVRJ3oYH_Z9ujd_Y-SPlA5_VbO3BKCicChRzx1_2dfB3FyQDr6n5aiYF1P_mv90j2TW9PfSpnVYfw&redirect_url=%2F via 2606:4700:300a::6813:c21d -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/UWYkO_g10c

Permanent link: aaaa.bot/r/UWYkO_g10c · How we measure

Checked 2026-11-14 05:17:05 UTC. Full DNS report: dns.pizza/domain/osluh.com · Age, certificate and blocklists: how.is/osluh.com · JSON: /api/v1/osluh.com