Yes — mecrm.link has IPv6.

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

IPv6 readiness

Website, mail and DNS all work over IPv6.

Website over IPv6 mecrm.link has 2 IPv6 addresses and answers on every one we tested. ✓ 2606:4700:3033::6815:4a0 answers · 443✓ 2606:4700:3031::ac43:843e 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. brianna.ns.cloudflare.com ✓milan.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://mecrm.link/ via 2606:4700:3033::6815:4a0 → 302https://proud-butterfly-9814.cloudflareaccess.com/cdn-cgi/access/login/mecrm.link?kid=d68fff24b98cc162f9c6b8c2b5183a847dbf0cddac05d9a507344833526bb86e&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjFhODJlMzQyY2I2ZTk3ZGEwNmYyYTlkNjhkZGViMWFiNjBlYTU4NzYzZDY2NGFkZGU0MTQwZDliYzhkNGM2MDEifQ.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.kuhbuvBAreb595nHo2X27e7AQSPLtL7tHuTst9uX7lYKS5-mEKF7Y5VGdEN26P3TxOgCiI9TIAODvW9gPx-YRnI6uyZ7A3DHDI_5EU9bSukiS8awkfoHmNaMAXd5Dj9eTZTKtzs--6fyQun5znRb4h5rnHCfMr_KuW65CIHGkzKO_PmEp18jtPCl9iNKouCnPXrZ1FUWNr8JdHscR1Xy17DBSpQObDJZUS_VznS6S2nN2rconDqHPduxknK-G2BN6-dBI7sYkTTqbvjvScwUTw84Zbgfk2bMymMKNEPVtAZDrkQg0a_EHVGzvbT4fiNM6VNK2w75kgaIOtu94vSY7w&redirect_url=%2F via 2606:4700:300a::6813:c31d → 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/mecrm.link.svg)](https://aaaa.bot/mecrm.link)

Check again

mecrm.link Has IPv6

A (IPv4)	172.67.132.62 104.21.4.160
AAAA (IPv6)	2606:4700:3033::6815:4a0 2606:4700:3031::ac43:843e

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: mecrm.link
Measured 2026-11-13 04:39:46 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    172.67.132.62, 104.21.4.160
AAAA (IPv6): 2606:4700:3033::6815:4a0, 2606:4700:3031::ac43:843e

Readiness grade A: Website, mail and DNS all work over IPv6.
- Website over IPv6: mecrm.link has 2 IPv6 addresses and answers on every one we tested.
    2606:4700:3033::6815:4a0: answers (TCP 443)
    2606:4700:3031::ac43:843e: 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://mecrm.link/ via 2606:4700:3033::6815:4a0 -> HTTP 302, certificate: valid
    https://proud-butterfly-9814.cloudflareaccess.com/cdn-cgi/access/login/mecrm.link?kid=d68fff24b98cc162f9c6b8c2b5183a847dbf0cddac05d9a507344833526bb86e&meta=eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsImtpZCI6IjFhODJlMzQyY2I2ZTk3ZGEwNmYyYTlkNjhkZGViMWFiNjBlYTU4NzYzZDY2NGFkZGU0MTQwZDliYzhkNGM2MDEifQ.eyJ0eXBlIjoibWV0YSIsImF1ZCI6ImQ2OGZmZjI0Yjk4Y2MxNjJmOWM2YjhjMmI1MTgzYTg0N2RiZjBjZGRhYzA1ZDlhNTA3MzQ0ODMzNTI2YmI4NmUiLCJob3N0bmFtZSI6Im1lY3JtLmxpbmsiLCJyZWRpcmVjdF91cmwiOiIvIiwic2VydmljZV90b2tlbl9zdGF0dXMiOmZhbHNlLCJpc193YXJwIjpmYWxzZSwiaXNfZ2F0ZXdheSI6ZmFsc2UsImV4cCI6MTc5NDU0NTA4NiwibmJmIjoxNzk0NTQ0Nzg2LCJpYXQiOjE3OTQ1NDQ3ODYsImF1dGhfc3RhdHVzIjoiTk9ORSIsIm10bHNfYXV0aCI6eyJjZXJ0X2lzc3Vlcl9kbiI6IiIsImNlcnRfc2VyaWFsIjoiIiwiY2VydF9pc3N1ZXJfc2tpIjoiIiwiY2VydF9wcmVzZW50ZWQiOmZhbHNlLCJjb21tb25fbmFtZSI6IiIsImF1dGhfc3RhdHVzIjoiTk9ORSJ9LCJyZWFsX2NvdW50cnkiOiJVUyIsImFwcF9zZXNzaW9uX2hhc2giOiI1ZDEwYzg0NmQ3ZDA1NTdlOGI5ODEyMGU0YTM1YTU1NTdjMzI0ZmVjNTM3NzBiYTkzNzVlZDhkNDk5YWVlMzkyIn0.kuhbuvBAreb595nHo2X27e7AQSPLtL7tHuTst9uX7lYKS5-mEKF7Y5VGdEN26P3TxOgCiI9TIAODvW9gPx-YRnI6uyZ7A3DHDI_5EU9bSukiS8awkfoHmNaMAXd5Dj9eTZTKtzs--6fyQun5znRb4h5rnHCfMr_KuW65CIHGkzKO_PmEp18jtPCl9iNKouCnPXrZ1FUWNr8JdHscR1Xy17DBSpQObDJZUS_VznS6S2nN2rconDqHPduxknK-G2BN6-dBI7sYkTTqbvjvScwUTw84Zbgfk2bMymMKNEPVtAZDrkQg0a_EHVGzvbT4fiNM6VNK2w75kgaIOtu94vSY7w&redirect_url=%2F via 2606:4700:300a::6813:c31d -> HTTP 200, certificate: valid
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/DGrCj1fkty

Permanent link: aaaa.bot/r/DGrCj1fkty · How we measure

Checked 2026-11-13 04:39:46 UTC. Full DNS report: dns.pizza/domain/mecrm.link · Age, certificate and blocklists: how.is/mecrm.link · JSON: /api/v1/mecrm.link