`4.dev`

DNSSEC	⚠️ Not signed
A	104.248.100.128^{🇩🇪 DIGITALOCEAN104.248.100.0/22 DigitalOcean}
NS	`ns1.digitalocean.com` ⭐
		A	2606:4700:52::ac40:34d2^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
		A	172.64.52.210^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.digitalocean.com`
NS	`ns2.digitalocean.com`
		A	2606:4700:5a::ac40:3515^{🇺🇸 Cloudflare2606:4700:5a::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
		A	172.64.53.21^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.digitalocean.com`
NS	`ns3.digitalocean.com`
		A	2606:4700:52::ac40:31d1^{🇺🇸 Cloudflare2606:4700:52::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
		A	172.64.49.209^{🇺🇸 Cloudflare172.64.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns3.digitalocean.com`
MX	`aspmx.l.google.com` ⭐
		A	2607:f8b0:4023:c03::1b^{🇺🇸 Google2607:f8b0::/32}
			PTR	`dy-in-f27.1e100.net`
		A	142.250.101.26^{🇺🇸 Google142.250.101.0/24}
			PTR	`dz-in-f26.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:4025:402::1b^{🇳🇱 Google2a00:1450:4025::/48}
			PTR	`rb-in-f27.1e100.net`
		A	142.250.102.26^{🇺🇸 Google142.250.102.0/24}
			PTR	`rb-in-f26.1e100.net`
MX	`alt2.aspmx.l.google.com`⁽⁵⁾
		A	2a00:1450:400b:c02::1a^{🇮🇪 Google2a00:1450:400b::/48}
			PTR	`dj-in-f26.1e100.net`
		A	172.253.116.26^{🇺🇸 Google172.253.116.0/24}
			PTR	`dj-in-f26.1e100.net`
MX	`alt3.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:4009:c0f::1a^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f26.1e100.net`
		A	192.178.223.26^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f26.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2607:f8b0:4003:c4a::1a^{🇺🇸 Google2607:f8b0:4003::/48}
			PTR	`yutulth-in-f26.1e100.net`
		A	142.251.96.27^{🇺🇸 Google142.250.0.0/15}
			PTR	`yutulth-in-f27.1e100.net`
TXT	`google-site-verification=h8I_W9h7jdlcXpeArYv_WO6NFz41Nkn1ylkARzgnZd8`
SOA	`ns1.digitalocean.com`hostmaster@4.dev serial=1626789423

`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

4.mk

4.dev

4.kids

4.ms

4.ph

4.fm

4.kz

4.ac

4.cg

4.bio

4.city

4.org.uk

4.ai

4.asia

4.cm

4.to

4.ht

4.cn

4.ua

4.azurestaticapps.net

4.s3.eu-central-1.amazonaws.com

4.fr

4.co

4.biz

4.td

4.cash

4.tm

4.cx

4.fo

4.gp

4.se

4.kg

4.me

4.yoga

4.com.vn

4.com.ua

4.uy

4.dk

4.hm

4.fj.cn

4.bet

4.s3-website-us-east-1.amazonaws.com

4.casino

4.st

4.vacations

4.fashion

4.gs.cn

4.sb

4.sv

4.ro

4.la

4.fitness

4.ie

4.mr

4.je

4.pages.dev

4.berlin

4.wedding

4.cc

4.amsterdam

4.cl

4.gold

4.he.cn

4.church

4.cz

4.network

4.s3.amazonaws.com

4.dating

4.plus

4.githubusercontent.com

4.is

4.ly

4.bj.cn

4.gg

4.my

4.ln.cn

4.org.cn

4.events

4.co.nz

4.in-addr.arpa

4.toys

4.tv

4.cafe

4.org

4.vg

4.cam

4.de

4.ws

4.ah.cn

4.srl

DNS History

11 records (9 active, 2 former)

●NSns1.digitalocean.com2026-02-19 → 2026-04-11 · 2 obs

● 2026-02-19 05:41:28
● 2026-04-11 20:44:30

●NSns2.digitalocean.com2026-02-19 → 2026-04-11 · 2 obs

● 2026-02-19 05:41:28
● 2026-04-11 20:44:30

●NSns3.digitalocean.com2026-02-19 → 2026-04-11 · 2 obs

● 2026-02-19 05:41:28
● 2026-04-11 20:44:30

●MXalt1.aspmx.l.google.com2026-02-19 → 2026-04-11 · 3 obs

○ 2017-08-05 12:04:28
● 2026-02-19 05:41:28
● 2026-04-11 20:44:30

●MXalt2.aspmx.l.google.com2026-02-19 → 2026-04-11 · 3 obs

○ 2017-08-05 12:04:28
● 2026-02-19 05:41:28
● 2026-04-11 20:44:30

●MXalt3.aspmx.l.google.com2026-02-19 → 2026-04-11 · 3 obs

○ 2017-08-05 12:04:28
● 2026-02-19 05:41:28
● 2026-04-11 20:44:30

●MXalt4.aspmx.l.google.com2026-02-19 → 2026-04-11 · 3 obs

○ 2017-08-05 12:04:28
● 2026-02-19 05:41:28
● 2026-04-11 20:44:30

●MXaspmx.l.google.com2026-02-19 → 2026-04-11 · 3 obs

○ 2017-08-05 12:04:28
● 2026-02-19 05:41:28
● 2026-04-11 20:44:30

○MXyour-dns-needs-immediate-attention.dev2017-08-04 → 2017-08-05 · 4 obs

● 2017-08-04 00:12:04
● 2017-08-05 12:04:28
○ 2026-02-19 05:41:28
○ 2026-04-11 20:44:30

●A104.248.100.1282026-02-19 → 2026-04-11 · 3 obs

○ 2017-08-05 12:04:28
● 2026-02-19 05:41:28
● 2026-04-11 20:44:30

○A127.0.53.532017-08-04 → 2017-08-05 · 4 obs

● 2017-08-04 00:12:04
● 2017-08-05 12:04:28
○ 2026-02-19 05:41:28
○ 2026-04-11 20:44:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld5.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...	10 records
4.dev	ns3.digitalocean.com, ns2.digitalocean.com, ns1.digitalocean.com	-

✅ Authoritative Response

Server:172.64.52.210

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4.dev (unsigned zone)

⏱️ Timing

Total: 497ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`104.248.100.128`
NS	3	`ns2.digitalocean.com, ns3.digitalocean.com...`
MX	5	`alt4.aspmx.l.google.com (pri: 10), alt3.aspmx.l.google.com (pri: 10)...`
TXT	1	`google-site-verification=h8I_W9h7jdlcXpe`
SOA	1	`ns1.digitalocean.com hostmaster.4.dev`