`first.dev`

DNSSEC	⚠️ Not signed
A	50.87.145.6^{🇺🇸 EIGI50.87.0.0/16 Unified Layer}
		PTR	`mail.nobispreschool.com`
NS	`ns-cloud-d1.googledomains.com` ⭐
		A	2001:4860:4802:32::6d^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-d1.googledomains.com`
		A	216.239.32.109^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-d1.googledomains.com`
NS	`ns-cloud-d2.googledomains.com`
		A	2001:4860:4802:34::6d^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-d2.googledomains.com`
		A	216.239.34.109^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-d2.googledomains.com`
NS	`ns-cloud-d3.googledomains.com`
		A	2001:4860:4802:36::6d^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-d3.googledomains.com`
		A	216.239.36.109^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-d3.googledomains.com`
NS	`ns-cloud-d4.googledomains.com`
		A	2001:4860:4802:38::6d^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-d4.googledomains.com`
		A	216.239.38.109^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-d4.googledomains.com`
MX	`first-dev.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::1^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00401.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::e^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db8pr02cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	52.101.68.27^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00503.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
		A	52.101.73.19^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr04cu00803.inbound.protection.outlook.com`
		A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr05cu01302.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms14769991`
TXT	`google-site-verification=2jZyf8AV2EHaywIF-zUfM9aQIQzjdkf9fr3iIQdASG4`
TXT	`atlassian-domain-verification=xLtH15aEqGbzwBiL5MInOPOnzlolt0TBSYKGaGuvnj665Yz...`
TXT	`atlassian-domain-verification=9OZa3morLoBpnZZhCFIaRc1sQlmIH7XSf2aJFZeNdCoCaya...`
SOA	`ns-cloud-d1.googledomains.com`cloud-dns-hostmaster@google.com serial=1

`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

first.tours

first.in-berlin.de

first.tech

first.restaurant

first.camera

first.edu

first.com.tr

first.vip

first.al

first.com.eg

first.fr

first.com.pl

first.com.jo

first.de

first.com.qa

first.is

first.global

first.digital

first.plumbing

first.dp.ua

first.vn

first.pe.kr

first.games

first.myshopify.com

first.ru

first.email

first.rs

first.camp

first.tools

first.bank

first.pet

first.ventures

first.gov.il

first.to

first.com.tw

first.com.es

first.co.uk

first.net

first.wtf

first.farm

first.biz

first.info

first.uz

first.vote

first.school

first.today

first.no

first.pictures

first.org

first.sg

first.plus

first.at

first.capital

first.media

first.cash

first.bz

first.jp.net

first.academy

first.in.ua

first.run

first.fish

first.dk

first.sa

first.cl

first.center

first.hu

first.green

first.ir

first.events

first.bg

first.com.mx

first.me

first.co.il

first.report

first.or.kr

first.net.ua

first.ua

first.ag

first.si

first.ca

first.ly

first.cn

first.church

first.ie

first.eu

first.gr

first.dev

first.com

first.io

first.ltd

first.com.my

first.lv

first.st

first.name

first.ro

first.club.tw

first.net.my

first.in

first.ne.jp

first.glass

first.vc

first.li

first.com.ua

first.us

first.training

first.tv

first.biz.ua

first.social

first.com.au

first.lib.ms.us

first.pt

first.es

first.news

first.am

Similar names

siftr.in

rifts.to

frist.com

frits.ch

irtfs.com

rftsi.com

rifts.finance

rifts.net

fsirt.com

fsrit.com

frits.com

frits.be

frist.at

trifs.co.uk

frist.eu

frits.dk

frist.cn

siftr.com

sirtf.com

tsfir.com

ifrst.com

irtfs.ir

frist.ru

frist.co.uk

rifts.org

frist.de

frits.eu

frist.se

frits.cn

isfrt.com

rifts.com

ifrts.com

frist.cz

itrsf.ru

rfist.ru

istrf.net

frits.ru

frits.co

siftr.org

siftr.co

srfit.ch

frits.it

istrf.com

ftris.me

itrsf.com

frits.ca

frist.be

fistr.com

fisrt.com

frits.in

rifts.ru

istrf.org

sitfr.it

frits.us

srfit.com

fisrt.net

frits.nl

frist.us

DNS History

6 records (6 active, 0 former)

●NSns-cloud-d1.googledomains.com2026-03-01 → 2026-07-11 · 2 obs

● 2026-03-01 17:11:08
● 2026-07-11 01:08:36

●NSns-cloud-d2.googledomains.com2026-03-01 → 2026-07-11 · 2 obs

● 2026-03-01 17:11:08
● 2026-07-11 01:08:36

●NSns-cloud-d3.googledomains.com2026-03-01 → 2026-07-11 · 2 obs

● 2026-03-01 17:11:08
● 2026-07-11 01:08:36

●NSns-cloud-d4.googledomains.com2026-03-01 → 2026-07-11 · 2 obs

● 2026-03-01 17:11:08
● 2026-07-11 01:08:36

●MXfirst-dev.mail.protection.outlook.com2026-03-01 → 2026-07-11 · 2 obs

● 2026-03-01 17:11:08
● 2026-07-11 01:08:36

●A50.87.145.62026-03-01 → 2026-07-11 · 2 obs

● 2026-03-01 17:11:08
● 2026-07-11 01:08:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...	-
first.dev	ns-cloud-d4.googledomains.com, ns-cloud-d1.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d2.googledomains.com	-

✅ Authoritative Response

Server:216.239.36.109

NS records: ns-cloud-d4.googledomains.com, ns-cloud-d1.googledomains.com, ns-cloud-d3.googledomains.com, ns-cloud-d2.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for first.dev (unsigned zone)

⏱️ Timing

Total: 756ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`50.87.145.6`
NS	4	`ns-cloud-d1.googledomains.com, ns-cloud-d3.googledomains.com...`
MX	1	`first-dev.mail.protection.outlook.com (p`
TXT	5	`atlassian-domain-verification=xLtH15aEqG, v=spf1 include:spf.protection.outlook.co...`
SOA	1	`ns-cloud-d1.googledomains.com cloud-dns-`

Analysis

IP Addresses

first.dev has exactly one IP address — 50.87.145.6.

b.gy, 50-87-145-6.unifiedlayer.com, nyhaircut.com plus two other host names have IP numbers in common with first.dev.

Name Servers

Four name servers handle the delegation for first.dev: ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com.

The name servers of first.dev overlap at least partially with those of other domains — among them wakuwaku-japan.info, pcmag.com.br, steinedergezeiten.de and two more.

Each of the four hosts ns-cloud-d1.googledomains.com, ns-cloud-d2.googledomains.com, ns-cloud-d3.googledomains.com and ns-cloud-d4.googledomains.com has two IP addresses. ns-cloud-d1.googledomains.com points to 216.239.32.109 and 2001:4860:4802:32::6d. ns-cloud-d2.googledomains.com points to 216.239.34.109 and 2001:4860:4802:34::6d. ns-cloud-d3.googledomains.com points to 216.239.36.109 and 2001:4860:4802:36::6d. ns-cloud-d4.googledomains.com points to 216.239.38.109 and 2001:4860:4802:38::6d.

Mail Servers

first.dev uses one mail server — first-dev.mail.protection.outlook.com.

first-dev.mail.protection.outlook.com has 8 IP addresses: 52.101.68.27, 52.101.73.6, 52.101.73.19 plus 5 more.

first.dev - robtex.com

first.dev

dev

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

IP Addresses

Name Servers

Mail Servers

`first.dev`

`dev`