4.dev - dns.ninja

`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:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	172.253.122.27^{🇺🇸 Google172.253.122.0/24}
			PTR	`bh-in-f27.1e100.net`
MX	`alt1.aspmx.l.google.com`⁽⁵⁾
		A	2800:3f0:4003:c0f::1b^{🇨🇱 Google2800:3f0:4003::/48}
		A	108.177.123.27^{🇺🇸 Google108.177.123.0/24}
			PTR	`lcscld-in-f27.1e100.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::1b^{🇬🇧 Google2a00:1450:4009::/48}
			PTR	`yulhrs-in-f27.1e100.net`
		A	192.178.223.27^{🇺🇸 Google192.178.223.0/24}
			PTR	`yulhrs-in-f27.1e100.net`
MX	`alt4.aspmx.l.google.com`⁽¹⁰⁾
		A	2a00:1450:400c:c00::1b^{🇧🇪 Google2a00:1450:400c::/48}
			PTR	`ws-in-f27.1e100.net`
			PTR	`ws-in-x1b.1e100.net`
		A	173.194.76.27^{🇺🇸 Google173.194.76.0/24}
			PTR	`ws-in-f27.1e100.net`
TXT	`google-site-verification=h8I_W9h7jdlcXpeArYv_WO6NFz41Nkn1ylkARzgnZd8`
SOA	`ns1.digitalocean.com`hostmaster@4.dev serial=0

`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.com.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.cash

4.tm

4.cx

4.fo

4.gp

4.se

4.kg

4.me

4.yoga

4.com.vn

4.com.ua

4.domains

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.co.uk

4.githubusercontent.com

4.pl

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 → 2026-06-07 · 2 obs

● 2026-02-19 05:41:28
● 2026-06-07 22:29:18

●NSns2.digitalocean.com2026-02-19 → 2026-06-07 · 2 obs

● 2026-02-19 05:41:28
● 2026-06-07 22:29:18

●NSns3.digitalocean.com2026-02-19 → 2026-06-07 · 2 obs

● 2026-02-19 05:41:28
● 2026-06-07 22:29:18

●MXalt1.aspmx.l.google.com2026-02-19 → 2026-06-07 · 3 obs

○ 2017-08-05 12:04:28
● 2026-02-19 05:41:28
● 2026-06-07 22:29:18

●MXalt2.aspmx.l.google.com2026-02-19 → 2026-06-07 · 3 obs

○ 2017-08-05 12:04:28
● 2026-02-19 05:41:28
● 2026-06-07 22:29:18

●MXalt3.aspmx.l.google.com2026-02-19 → 2026-06-07 · 3 obs

○ 2017-08-05 12:04:28
● 2026-02-19 05:41:28
● 2026-06-07 22:29:18

●MXalt4.aspmx.l.google.com2026-02-19 → 2026-06-07 · 3 obs

○ 2017-08-05 12:04:28
● 2026-02-19 05:41:28
● 2026-06-07 22:29:18

●MXaspmx.l.google.com2026-02-19 → 2026-06-07 · 3 obs

○ 2017-08-05 12:04:28
● 2026-02-19 05:41:28
● 2026-06-07 22:29:18

○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
○ 2026-06-07 22:29:18

●A104.248.100.1282026-02-19 → 2026-06-07 · 3 obs

○ 2017-08-05 12:04:28
● 2026-02-19 05:41:28
● 2026-06-07 22:29:18

○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
○ 2026-06-07 22:29:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
dev	ns-tld1.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld5.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: 186ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`104.248.100.128`
NS	3	`ns3.digitalocean.com, ns2.digitalocean.com...`
MX	5	`alt4.aspmx.l.google.com (pri: 10), alt2.aspmx.l.google.com (pri: 5)...`
TXT	1	`google-site-verification=h8I_W9h7jdlcXpe`
SOA	1	`ns1.digitalocean.com hostmaster.4.dev`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

4.dev resolves to one IP address: 104.248.100.128.

Name Servers

4.dev has three name servers — ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com.

4.dev has at least partial name server overlap with other domains, such as catalystteambuilding.cn, mysaas.co, 201.55.45.in-addr.arpa and two others.

Each of ns1.digitalocean.com, ns2.digitalocean.com and ns3.digitalocean.com points to two IP numbers. ns1.digitalocean.com points to 172.64.52.210 and 2606:4700:52::ac40:34d2. ns2.digitalocean.com points to 172.64.53.21 and 2606:4700:5a::ac40:3515. ns3.digitalocean.com points to 172.64.49.209 and 2606:4700:52::ac40:31d1.

Mail Servers

4.dev has 5 mail servers — aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and two more.

4.dev has at least partial mail server overlap with other domains such as askunique.com, samsungi.org, thetaolife.com and two more.

These mail servers often appear together with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx2.googlemail.com and three other mail servers.

Hostnames that resolve to two IP addresses:

aspmx.l.google.com resolves to 172.253.122.27 and 2607:f8b0:4004:c17::1b.

alt1.aspmx.l.google.com resolves to 108.177.123.27 and 2800:3f0:4003:c0f::1b.

alt2.aspmx.l.google.com resolves to 172.253.116.26 and 2a00:1450:400b:c02::1a.

alt3.aspmx.l.google.com resolves to 192.178.223.27 and 2a00:1450:4009:c0f::1b.

alt4.aspmx.l.google.com resolves to 173.194.76.27 and 2a00:1450:400c:c00::1b.