ycuiyn.top has no address at all.

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

ycuiyn.top No address

A (IPv4)	none
AAAA (IPv6)	none

www.ycuiyn.top Has IPv6

Alias of	d26ugyt1pnx9uu.cloudfront.net
A (IPv4)	3.167.112.100 3.167.112.60 3.167.112.50 3.167.112.57
AAAA (IPv6)	2600:9000:27d1:b000:1f:6b5e:c980:93a1 2600:9000:27d1:8800:1f:6b5e:c980:93a1 2600:9000:27d1:7200:1f:6b5e:c980:93a1 2600:9000:27d1:1c00:1f:6b5e:c980:93a1 2600:9000:27d1:9c00:1f:6b5e:c980:93a1 2600:9000:27d1:c000:1f:6b5e:c980:93a1 2600:9000:27d1:9800:1f:6b5e:c980:93a1 2600:9000:27d1:3c00:1f:6b5e:c980:93a1

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

IPv6 measurement: ycuiyn.top
Measured 2026-11-08 11:13:08 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    none
AAAA (IPv6): none
www AAAA:    2600:9000:27d1:b000:1f:6b5e:c980:93a1, 2600:9000:27d1:8800:1f:6b5e:c980:93a1, 2600:9000:27d1:7200:1f:6b5e:c980:93a1, 2600:9000:27d1:1c00:1f:6b5e:c980:93a1, 2600:9000:27d1:9c00:1f:6b5e:c980:93a1, 2600:9000:27d1:c000:1f:6b5e:c980:93a1, 2600:9000:27d1:9800:1f:6b5e:c980:93a1, 2600:9000:27d1:3c00:1f:6b5e:c980:93a1
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/Pt19yMU3Yo

Permanent link: aaaa.bot/r/Pt19yMU3Yo · How we measure

Checked 2026-11-08 11:13:08 UTC. Full DNS report: dns.pizza/domain/ycuiyn.top · Age, certificate and blocklists: how.is/ycuiyn.top · JSON: /api/v1/ycuiyn.top