back.app - dns.ninja

`back.app`

DNSSEC	⚠️ Not signed
A	35.190.26.117^{🇺🇸 Google35.190.0.0/16}
		PTR	`117.26.190.35.bc.googleusercontent.com`
NS	`ns1.yay.com` ⭐
		A	104.199.47.218^{🇧🇪 Google104.199.32.0/20}
			PTR	`218.47.199.104.bc.googleusercontent.com`
NS	`ns2.yay.com`
		A	104.199.45.55^{🇧🇪 Google104.199.32.0/20}
			PTR	`55.45.199.104.bc.googleusercontent.com`
NS	`ns3.yay.com`
		A	104.199.39.101^{🇧🇪 Google104.199.32.0/20}
			PTR	`101.39.199.104.bc.googleusercontent.com`
SOA	`ns1.yay.com`dns@yay.com 2018-05-09 #1

`app`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns-tld1.charlestonroadregistry.com` ⭐
	NS	`ns-tld2.charlestonroadregistry.com`
	NS	`ns-tld3.charlestonroadregistry.com`
	NS	`ns-tld4.charlestonroadregistry.com`
	NS	`ns-tld5.charlestonroadregistry.com`
	SOA	`ns-tld1.charlestonroadregistry.com`cloud-dns-hostmaster@google.com serial=101427

🔒 HSTS Preload (+subdomains)

Same first word

back.co

back.com.mx

back.ru

back.nl

back.cash

back.co.id

back.tw

back.es

back.lat

back.at

back.pub

back.eng.br

back.no

back.events

back.com.ar

back.ax

back.zone

back.schule

back.is

back.ws

back.ly

back.ink

back.to

back.ro

back.fr

back.com

back.by

back.cloudns.cx

back.eu

back.dk

back.bio

back.nu

back.mx

back.be

back.ch

back.solutions

back.cl

back.ai

back.im

back.biz

back.cf

back.show

back.pl

back.red

back.money

back.com.cn

back.name

back.in

back.id.vn

back.ist

back.tv

back.pro

back.business

back.lu

back.house

back.co.jp

back.ee

back.cz

back.pt

back.net

back.engineering

back.amsterdam

back.app

back.agency

back.cn

back.vn

back.center

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DNS History

4 records (4 active, 0 former)

●NSns1.yay.com2026-02-19 → 2026-07-24 · 2 obs

● 2026-02-19 12:53:38
● 2026-07-24 02:05:16

●NSns2.yay.com2026-02-19 → 2026-07-24 · 2 obs

● 2026-02-19 12:53:38
● 2026-07-24 02:05:16

●NSns3.yay.com2026-02-19 → 2026-07-24 · 2 obs

● 2026-02-19 12:53:38
● 2026-07-24 02:05:16

●A35.190.26.1172026-02-19 → 2026-07-24 · 2 obs

● 2026-02-19 12:53:38
● 2026-07-24 02:05:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
back.app	ns3.yay.com, ns1.yay.com, ns2.yay.com	-

✅ Authoritative Response

Server:104.199.39.101

NS records: ns3.yay.com, ns1.yay.com, ns2.yay.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for back.app (unsigned zone)

⏱️ Timing

Total: 1614ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`35.190.26.117`
NS	3	`ns1.yay.com, ns3.yay.com...`
SOA	1	`ns1.yay.com dns.yay.com`

Analysis

IP Addresses

back.app points to a single IP number: 35.190.26.117.

Additional host names — cupsly.com, emergencyuk.co.uk, ysa.org.uk and two others — share IP numbers with back.app.

Name Servers

back.app is served by three name servers: ns1.yay.com, ns2.yay.com and ns3.yay.com.

At least some of back.app's name servers are shared with other domains, for example bvalco.co.uk, cvshow.com, 3glt.co.uk and two more.

ns1.yay.com has IP address 104.199.47.218, ns2.yay.com has IP address 104.199.45.55 and ns3.yay.com has IP address 104.199.39.101 — one address each.