Yes — jobcheck.tech has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 jobcheck.tech has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::6815:3ce3 answers · 443✓ 2606:4700:3035::ac43:c9f7 answers · 443	yes
www over IPv6 www.jobcheck.tech has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3035::ac43:c9f7 answers · 443✓ 2606:4700:3033::6815:3ce3 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. mary.ns.cloudflare.com ✓syeef.ns.cloudflare.com ✓	yes

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

https://jobcheck.tech/ via 2606:4700:3033::6815:3ce3 → 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/jobcheck.tech.svg)](https://aaaa.bot/jobcheck.tech)

Check again

jobcheck.tech Has IPv6

A (IPv4)	172.67.201.247 104.21.60.227
AAAA (IPv6)	2606:4700:3033::6815:3ce3 2606:4700:3035::ac43:c9f7

www.jobcheck.tech Has IPv6

A (IPv4)	172.67.201.247 104.21.60.227
AAAA (IPv6)	2606:4700:3035::ac43:c9f7 2606:4700:3033::6815:3ce3

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: jobcheck.tech
Measured 2026-11-05 18:03:51 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.201.247, 104.21.60.227
AAAA (IPv6): 2606:4700:3033::6815:3ce3, 2606:4700:3035::ac43:c9f7
www AAAA:    2606:4700:3035::ac43:c9f7, 2606:4700:3033::6815:3ce3

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: jobcheck.tech has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::6815:3ce3: answers (TCP 443)
    2606:4700:3035::ac43:c9f7: answers (TCP 443)
- www over IPv6: www.jobcheck.tech has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3035::ac43:c9f7: answers (TCP 443)
    2606:4700:3033::6815:3ce3: 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: HTTP 200.
    https://jobcheck.tech/ via 2606:4700:3033::6815:3ce3 -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/IXnTOqW459

Permanent link: aaaa.bot/r/IXnTOqW459 · How we measure

Checked 2026-11-05 18:03:51 UTC. Full DNS report: dns.pizza/domain/jobcheck.tech · Age, certificate and blocklists: how.is/jobcheck.tech · JSON: /api/v1/jobcheck.tech