sd-app001.top has no address at all.

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

sd-app001.top No address

A (IPv4)	none
AAAA (IPv6)	none

www.sd-app001.top IPv4 only

A (IPv4)	18.163.0.90
AAAA (IPv6)	none

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

IPv6 measurement: sd-app001.top
Measured 2026-11-10 10:50:47 UTC by aaaa.bot (one server on Fly.io, region iad)

A (IPv4):    none
AAAA (IPv6): none
www AAAA:    none
DNS answers via DNS-over-HTTPS (Cloudflare). Method: https://aaaa.bot/method
Permanent link: https://aaaa.bot/r/p605RGV6hm

Permanent link: aaaa.bot/r/p605RGV6hm · How we measure

Checked 2026-11-10 10:50:47 UTC. Full DNS report: dns.pizza/domain/sd-app001.top · Age, certificate and blocklists: how.is/sd-app001.top · JSON: /api/v1/sd-app001.top