mailservice.cyou has no address at all.

The name exists but has neither an A nor an AAAA record.

mailservice.cyou No address

A (IPv4)	none
AAAA (IPv6)	none

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

IPv6 measurement: mailservice.cyou
Measured 2026-11-11 18:31:18 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    none
AAAA (IPv6): none
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/2qLJ5dE2Nh

Permanent link: aaaa.bot/r/2qLJ5dE2Nh · How we measure

Checked 2026-11-11 18:31:18 UTC. Full DNS report: dns.pizza/domain/mailservice.cyou · Age, certificate and blocklists: how.is/mailservice.cyou · JSON: /api/v1/mailservice.cyou