lab4.app - dns.ninja

`lab4.app`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::ac43:cbc9^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:165e^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.22.94^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.203.201^{🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adele.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:269c^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adele.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c29c^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adele.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:229c^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adele.ns.cloudflare.com`
		A	108.162.194.156^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adele.ns.cloudflare.com`
		A	162.159.38.156^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adele.ns.cloudflare.com`
		A	172.64.34.156^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adele.ns.cloudflare.com`
NS	`remy.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c73^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`remy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c373^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`remy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2373^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`remy.ns.cloudflare.com`
		A	108.162.195.115^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`remy.ns.cloudflare.com`
		A	162.159.44.115^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`remy.ns.cloudflare.com`
		A	172.64.35.115^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`remy.ns.cloudflare.com`
MX	`mail.protonmail.ch` ⭐
		A	176.119.200.128^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mail.protonmail.ch`
		A	185.70.42.128^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mail.protonmail.ch`
		A	185.205.70.128^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mail.protonmail.ch`
MX	`mailsec.protonmail.ch`⁽²⁰⁾
		A	176.119.200.129^{🇨🇭 Proton176.119.200.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.70.42.129^{🇨🇭 Proton185.70.42.0/24}
			PTR	`mailsec.protonmail.ch`
		A	185.205.70.129^{🇫🇷 Proton185.205.70.0/24}
			PTR	`mailsec.protonmail.ch`
TXT	`protonmail-verification=b02a42250751accf7204c40a89a770f854377e6c`
TXT	`v=spf1 include:_spf.protonmail.ch ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.22.94, 172.67.203.201
		IPv6 hints	2606:4700:3032::ac43:cbc9, 2606:4700:3035::6815:165e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=137, name=cloudflare-ech.com
SOA	`adele.ns.cloudflare.com`dns@cloudflare.com serial=2411281244

`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

lab4.app

lab4.it

lab4.de

lab4.online

lab4.life

lab4.org

lab4.info

lab4.net

lab4.com

Similar names

bal4.me

ab4l.com

bal4.tv

4lab.it

bal4.co

bal4.com

bal4.mobi

4lba.net

b4la.com

bal4.me.uk

a4bl.com

4lab.ru

4lab.ai

4lab.com

4lab.org.br

4lab.net

4lba.com

4lab.de

bal4.org

4lab.at

4lab.me

bl4a.com

bla4.com

4lab.ir

4lab.cn

ba4l.pro

DNS History

14 records (8 active, 6 former)

●NSadele.ns.cloudflare.com2026-04-20 → 2026-08-04 · 2 obs

● 2026-04-20 06:04:54
● 2026-08-04 00:47:54

●NSremy.ns.cloudflare.com2026-04-20 → 2026-08-04 · 2 obs

● 2026-04-20 06:04:54
● 2026-08-04 00:47:54

●MXmail.protonmail.ch2026-04-20 → 2026-08-04 · 2 obs

● 2026-04-20 06:04:54
● 2026-08-04 00:47:54

●MXmailsec.protonmail.ch2026-04-20 → 2026-08-04 · 2 obs

● 2026-04-20 06:04:54
● 2026-08-04 00:47:54

●A104.21.22.942026-04-20 → 2026-08-04 · 5 obs

● 2026-04-20 06:04:54
● 2026-05-02 18:04:24
○ 2026-06-19 20:56:02
● 2026-08-04 00:47:52
● 2026-08-04 00:47:54

●A172.67.203.2012026-04-20 → 2026-08-04 · 5 obs

● 2026-04-20 06:04:54
● 2026-05-02 18:04:24
○ 2026-06-19 20:56:02
● 2026-08-04 00:47:52
● 2026-08-04 00:47:54

○A188.114.96.02026-06-19 → 2026-06-19 · 4 obs

○ 2026-05-02 18:04:24
● 2026-06-19 20:56:02
○ 2026-08-04 00:47:52
○ 2026-08-04 00:47:54

○A188.114.97.02026-06-19 → 2026-06-19 · 4 obs

○ 2026-05-02 18:04:24
● 2026-06-19 20:56:02
○ 2026-08-04 00:47:52
○ 2026-08-04 00:47:54

○A2606:4700:3031::6815:165e2026-04-20 → 2026-05-02 · 4 obs

● 2026-04-20 06:04:54
● 2026-05-02 18:04:24
○ 2026-06-19 20:56:02
○ 2026-08-04 00:47:54

○A2606:4700:3031::ac43:cbc92026-04-20 → 2026-05-02 · 4 obs

● 2026-04-20 06:04:54
● 2026-05-02 18:04:24
○ 2026-06-19 20:56:02
○ 2026-08-04 00:47:54

●A2606:4700:3032::ac43:cbc92026-08-04 → 2026-08-04 · 3 obs

○ 2026-06-19 20:56:02
● 2026-08-04 00:47:52
● 2026-08-04 00:47:54

●A2606:4700:3035::6815:165e2026-08-04 → 2026-08-04 · 3 obs

○ 2026-06-19 20:56:02
● 2026-08-04 00:47:52
● 2026-08-04 00:47:54

○A2a06:98c1:3120::2026-06-19 → 2026-06-19 · 4 obs

○ 2026-05-02 18:04:24
● 2026-06-19 20:56:02
○ 2026-08-04 00:47:52
○ 2026-08-04 00:47:54

○A2a06:98c1:3121::2026-06-19 → 2026-06-19 · 4 obs

○ 2026-05-02 18:04:24
● 2026-06-19 20:56:02
○ 2026-08-04 00:47:52
○ 2026-08-04 00:47:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
app	ns-tld4.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...	-
lab4.app	remy.ns.cloudflare.com, adele.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.156

NS records: remy.ns.cloudflare.com, adele.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lab4.app (unsigned zone)

⏱️ Timing

Total: 1791ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.203.201, 104.21.22.94`
AAAA	2	`2606:4700:3035::6815:165e, 2606:4700:3032::ac43:cbc9`
NS	2	`adele.ns.cloudflare.com, remy.ns.cloudflare.com`
MX	2	`mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)`
TXT	2	`protonmail-verification=b02a42250751accf, v=spf1 include:_spf.protonmail.ch ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adele.ns.cloudflare.com dns.cloudflare.c`

Analysis

IP Addresses

lab4.app points to the four IP addresses 104.21.22.94, 172.67.203.201, 2606:4700:3032::ac43:cbc9 and 2606:4700:3035::6815:165e.

kennehkoerier.nl, ianiko.com, gemeinsam-stark.it and two other host names share IP numbers with lab4.app.

Name Servers

lab4.app is served by two delegated name servers, adele.ns.cloudflare.com and remy.ns.cloudflare.com.

lab4.app uses the same name servers as several other domains — among them ads-google-account.com, metacognium.com, buyfragrancecanada.shop and two more.

There is at least partial name server overlap between lab4.app and other domains — krevnixioia.net, neillaw.co.uk, ninzin.net and two more among them.

These name servers frequently co-occur with the name servers ian.ns.cloudflare.com and desi.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

adele.ns.cloudflare.com carries IP addresses 108.162.194.156, 162.159.38.156 and 172.64.34.156, with 3 other addresses beyond those.

remy.ns.cloudflare.com carries IP addresses 108.162.195.115, 162.159.44.115 and 172.64.35.115, with 3 other addresses beyond those.

Mail Servers

Mail for lab4.app is handled by two mail servers — mail.protonmail.ch and mailsec.protonmail.ch.

lab4.app uses an identical mail server configuration to several other domains — among them jish.dev, authrx.ai, mikud.com and two more.

lab4.app has at least partial mail server overlap with other domains such as kobayashi-maru.net, ghostbsd.org, quantard.com and two more.

mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128. mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129. Both hosts resolve to three IP numbers.