btv.dev - dns.ninja

`btv.dev`

DNSSEC	⚠️ Not signed
A	76.76.21.21^{🇺🇸 Amazon76.76.21.0/24 EC2 Prefix}
NS	`ns-cloud-e1.googledomains.com` ⭐
		A	2001:4860:4802:32::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e1.googledomains.com`
		A	216.239.32.110^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-e1.googledomains.com`
NS	`ns-cloud-e2.googledomains.com`
		A	2001:4860:4802:34::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e2.googledomains.com`
		A	216.239.34.110^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-e2.googledomains.com`
NS	`ns-cloud-e3.googledomains.com`
		A	2001:4860:4802:36::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e3.googledomains.com`
		A	216.239.36.110^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-e3.googledomains.com`
NS	`ns-cloud-e4.googledomains.com`
		A	2001:4860:4802:38::6e^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-e4.googledomains.com`
		A	216.239.38.110^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-e4.googledomains.com`
MX	`mx01.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
MX	`mx02.mail.icloud.com` ⭐
		A	17.42.251.62^{🇺🇸 Apple17.42.0.0/16}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
			PTR	`mx3.mail.icloud.com`
		A	17.56.9.31^{🇺🇸 Apple17.56.9.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.152.5^{🇺🇸 Apple17.57.152.0/23}
			PTR	`ic4-privaterelay.appleid.com`
			PTR	`smtp1.ic4-privaterelay.appleid.com`
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.154.33^{🇺🇸 Apple17.57.154.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.155.25^{🇺🇸 Apple17.57.155.0/24}
			PTR	`mx01.mail.icloud.com`
			PTR	`mx02.mail.icloud.com`
		A	17.57.156.30^{🇺🇸 Apple17.57.156.0/24}
TXT	`apple-domain= QrAIJXGMsYhxMK5q`
TXT	`v=spf1 include:icloud.com ~all`
SOA	`ns-cloud-e1.googledomains.com`cloud-dns-hostmaster@google.com serial=8

`dev`

	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=1

🔒 HSTS Preload (+subdomains)

Same first word

btv.ro

btv.bh

btv.su

btv.ac.th

btv.no

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btv.net

btv.io

btv.com.ph

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btv.dev

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btv.news

btv.com

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vtb.de

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vbt.si

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tbv.com

vbt.co.ao

bvt.ba.gov.br

vbt.it

bvt.xyz

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vbt.mx

tbv.se

vtb.org

tbv.org.tr

vtb.be

vbt.site

vbt.in

tvb.co.uk

bvt.de

bvt.es

vbt.eu

bvt.no

vtb.ae

tvb.lt

bvt.com.br

bvt.ee

vbt.ch

tbv.eu

tvb.by

bvt.mobi

tvb.co.za

tvb.ddns.net

tbv.ch

vtb.se

tvb.es

vtb.jp

tbv.it

vtb.fr

vbt.ai

tbv.vc

tvb.fi

vtb.edu.vn

tbv.org.br

vtb.lu

vtb.com.ua

tvb.nl

bvt.co.nz

tvb.tj

vtb.ro

tvb.biz

vtb.promo

vbt.lt

vtb.cn

bvt.dk

tvb.vn

vbt.com.tr

bvt.fi

vbt.nu

bvt.it

tvb.us

tbv.dk

tvb.tv

vtb.nl

tbv.org.tw

tbv.es

tbv.spb.ru

bvt.me

bvt.sk

vbt.be

tvb.jp

bvt.au

vtb.ao

tvb.com.vn

tvb.at

tbv.pl

vbt.es

tvb.ru

tvb.co.in

DNS History

7 records (7 active, 0 former)

●NSns-cloud-e1.googledomains.com2026-05-03 → 2026-08-03 · 2 obs

● 2026-05-03 14:56:00
● 2026-08-03 01:05:02

●NSns-cloud-e2.googledomains.com2026-05-03 → 2026-08-03 · 2 obs

● 2026-05-03 14:56:00
● 2026-08-03 01:05:02

●NSns-cloud-e3.googledomains.com2026-05-03 → 2026-08-03 · 2 obs

● 2026-05-03 14:56:00
● 2026-08-03 01:05:02

●NSns-cloud-e4.googledomains.com2026-05-03 → 2026-08-03 · 2 obs

● 2026-05-03 14:56:00
● 2026-08-03 01:05:02

●MXmx01.mail.icloud.com2026-05-03 → 2026-08-03 · 2 obs

● 2026-05-03 14:56:00
● 2026-08-03 01:05:02

●MXmx02.mail.icloud.com2026-05-03 → 2026-08-03 · 2 obs

● 2026-05-03 14:56:00
● 2026-08-03 01:05:02

●A76.76.21.212026-05-03 → 2026-08-03 · 2 obs

● 2026-05-03 14:56:00
● 2026-08-03 01:05:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	-
btv.dev	ns-cloud-e4.googledomains.com, ns-cloud-e3.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e1.googledomains.com	-

✅ Authoritative Response

Server:216.239.36.110

NS records: ns-cloud-e4.googledomains.com, ns-cloud-e3.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e1.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btv.dev (unsigned zone)

⏱️ Timing

Total: 677ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`76.76.21.21`
NS	4	`ns-cloud-e4.googledomains.com, ns-cloud-e3.googledomains.com...`
MX	2	`mx01.mail.icloud.com (pri: 10), mx02.mail.icloud.com (pri: 10)`
TXT	2	`v=spf1 include:icloud.com ~all, apple-domain= QrAIJXGMsYhxMK5q`
SOA	1	`ns-cloud-e1.googledomains.com cloud-dns-`

Analysis

IP Addresses

btv.dev points to a single IP number: 76.76.21.21.

Additional host names — converj.com, barbearia.net, kavin.me and two others — share IP numbers with btv.dev.

Name Servers

btv.dev has four authoritative name servers: ns-cloud-e1.googledomains.com, ns-cloud-e2.googledomains.com, ns-cloud-e3.googledomains.com and ns-cloud-e4.googledomains.com.

At least some of btv.dev's name servers are shared with other domains, for example essenciadevida.com, cherryproperties.net, georgetownmontessori.org and two more.

Four hostnames, each resolving to a pair of IP addresses: ns-cloud-e1.googledomains.com directs to 216.239.32.110 and 2001:4860:4802:32::6e; ns-cloud-e2.googledomains.com directs to 216.239.34.110 and 2001:4860:4802:34::6e; ns-cloud-e3.googledomains.com directs to 216.239.36.110 and 2001:4860:4802:36::6e; ns-cloud-e4.googledomains.com directs to 216.239.38.110 and 2001:4860:4802:38::6e.

Mail Servers

btv.dev has two mail servers: mx01.mail.icloud.com and mx02.mail.icloud.com.

btv.dev shares the same mail server setup as other domains, including levinson-family.com, hcollazo.com, ekoo.ca and two others.

btv.dev overlaps on mail servers with certain other domains, coachjvtech.us among them.

Host names with 6 IP numbers:

mx01.mail.icloud.com carries IP addresses 17.42.251.62, 17.56.9.31 and 17.57.152.5, with 3 other addresses beyond those.

mx02.mail.icloud.com carries IP addresses 17.42.251.62, 17.56.9.31 and 17.57.152.5, with 3 other addresses beyond those.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.42.251.62 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.56.9.31 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.57.152.5 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.57.154.33 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.57.155.25 IP addresses.

These two host names — mx01.mail.icloud.com and mx02.mail.icloud.com — each point to 17.57.156.30 IP addresses.