lab4.app - robtex.com

lab4.app

DNSSEC⚠️ Not signed
A2606:4700:3031::6815:165eπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A2606:4700:3031::ac43:cbc9πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A104.21.22.94Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
A172.67.203.201πŸ‡ΊπŸ‡Έ Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US βœ“ In HTTPS hints
NSadele.ns.cloudflare.com ⭐
A2606:4700:50::a29f:269cπŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadele.ns.cloudflare.com
A2803:f800:50::6ca2:c29cπŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRadele.ns.cloudflare.com
A2a06:98c1:50::ac40:229cπŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRadele.ns.cloudflare.com
A108.162.194.156πŸ‡ΊπŸ‡Έ Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadele.ns.cloudflare.com
A162.159.38.156Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadele.ns.cloudflare.com
A172.64.34.156πŸ‡ΊπŸ‡Έ Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRadele.ns.cloudflare.com
NSremy.ns.cloudflare.com
A2606:4700:58::a29f:2c73πŸ‡ΊπŸ‡Έ Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRremy.ns.cloudflare.com
A2803:f800:50::6ca2:c373πŸ‡¨πŸ‡· Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRremy.ns.cloudflare.com
A2a06:98c1:50::ac40:2373πŸ‡ΊπŸ‡Έ Cloudflare2a06:98c1:50::/45
PTRremy.ns.cloudflare.com
A108.162.195.115πŸ‡ΊπŸ‡Έ Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRremy.ns.cloudflare.com
A162.159.44.115Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRremy.ns.cloudflare.com
A172.64.35.115πŸ‡ΊπŸ‡Έ Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRremy.ns.cloudflare.com
MXmail.protonmail.ch ⭐
A176.119.200.128πŸ‡¨πŸ‡­ Proton176.119.200.0/24
PTRmail.protonmail.ch
A185.70.42.128πŸ‡¨πŸ‡­ Proton185.70.42.0/24
PTRmail.protonmail.ch
A185.205.70.128πŸ‡«πŸ‡· Proton185.205.70.0/24
PTRmail.protonmail.ch
MXmailsec.protonmail.ch(20)
A176.119.200.129πŸ‡¨πŸ‡­ Proton176.119.200.0/24
PTRmailsec.protonmail.ch
A185.70.42.129πŸ‡¨πŸ‡­ Proton185.70.42.0/24
PTRmailsec.protonmail.ch
A185.205.70.129πŸ‡«πŸ‡· Proton185.205.70.0/24
PTRmailsec.protonmail.ch
TXTprotonmail-verification=b02a42250751accf7204c40a89a770f854377e6c
TXTv=spf1 include:_spf.protonmail.ch ~all
HTTPSHTTP/3, HTTP/2 βœ“ hints match
IPv4 hints104.21.22.94, 172.67.203.201
IPv6 hints2606:4700:3031::6815:165e, 2606:4700:3031::ac43:cbc9
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=201, name=cloudflare-ech.com
SOAadele.ns.cloudflare.comdns@cloudflare.com serial=2402127338

app

DNSSECπŸ”’ Signed (DS record present)
NSns-tld1.charlestonroadregistry.com ⭐
NSns-tld2.charlestonroadregistry.com
NSns-tld3.charlestonroadregistry.com
NSns-tld4.charlestonroadregistry.com
NSns-tld5.charlestonroadregistry.com
SOAns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427
πŸ”’ HSTS Preload (+subdomains)

Same first word

Similar names

DNS History

8 records (8 active, 0 former)

NSadele.ns.cloudflare.comremy.ns.cloudflare.comMXmail.protonmail.chmailsec.protonmail.chA104.21.22.94172.67.203.2012606:4700:3031::6815:165e2606:4700:3031::ac43:cbc9
●NSadele.ns.cloudflare.com2026-04-20 β†’ 2026-04-25 Β· 2 obs
● 2026-04-20 06:04:54
● 2026-04-25 12:25:32
●NSremy.ns.cloudflare.com2026-04-20 β†’ 2026-04-25 Β· 2 obs
● 2026-04-20 06:04:54
● 2026-04-25 12:25:32
●MXmail.protonmail.ch2026-04-20 β†’ 2026-04-25 Β· 2 obs
● 2026-04-20 06:04:54
● 2026-04-25 12:25:32
●MXmailsec.protonmail.ch2026-04-20 β†’ 2026-04-25 Β· 2 obs
● 2026-04-20 06:04:54
● 2026-04-25 12:25:32
●A104.21.22.942026-04-20 β†’ 2026-04-25 Β· 2 obs
● 2026-04-20 06:04:54
● 2026-04-25 12:25:32
●A172.67.203.2012026-04-20 β†’ 2026-04-25 Β· 2 obs
● 2026-04-20 06:04:54
● 2026-04-25 12:25:32
●A2606:4700:3031::6815:165e2026-04-20 β†’ 2026-04-25 Β· 2 obs
● 2026-04-20 06:04:54
● 2026-04-25 12:25:32
●A2606:4700:3031::ac43:cbc92026-04-20 β†’ 2026-04-25 Β· 2 obs
● 2026-04-20 06:04:54
● 2026-04-25 12:25:32

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
appns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com...10 records
lab4.appadele.ns.cloudflare.com, remy.ns.cloudflare.com-

βœ… Authoritative Response

Server:172.64.34.156

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

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for lab4.app (unsigned zone)

⏱️ Timing

Total: 1151ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A2172.67.203.201, 104.21.22.94
AAAA22606:4700:3031::6815:165e, 2606:4700:3031::ac43:cbc9
NS2adele.ns.cloudflare.com, remy.ns.cloudflare.com
MX2mail.protonmail.ch (pri: 10), mailsec.protonmail.ch (pri: 20)
TXT2protonmail-verification=b02a42250751accf, v=spf1 include:_spf.protonmail.ch ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1adele.ns.cloudflare.com dns.cloudflare.c

πŸ“Œ Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com...)

Analysis

IP Addresses

lab4.app points to four IP numbers: 2606:4700:3031::6815:165e, 2606:4700:3031::ac43:cbc9, 104.21.22.94 and 172.67.203.201.

Other host names, for instance ianiko.com, gemeinsam-stark.it, www.elkoy.org, manilacourtesans.com and baeo.org share IP numbers with lab4.app.

Name Servers

lab4.app's delegation is to two name servers adele.ns.cloudflare.com and remy.ns.cloudflare.com.

lab4.app shares the same name server configuration as other domains, such as cm3.at, tsr-portal.ru, kihr.eu, openai-chatkit-starter-app-8l5.pages.dev and 0dns.ru.

lab4.app at least partially shares its name servers with other domains, for instance neillaw.co.uk, ninzin.net, mywch.com, e19vip.com and web-offzxa-menu.click.

These name servers are commonly used alongside ian.ns.cloudflare.com and lindsey.ns.cloudflare.com.

Host names with six IP numbers:

adele.ns.cloudflare.com points to: 2606:4700:50::a29f:269c, 2803:f800:50::6ca2:c29c, 2a06:98c1:50::ac40:229c, 108.162.194.156, 162.159.38.156 and 172.64.34.156.

remy.ns.cloudflare.com points to: 2606:4700:58::a29f:2c73, 2803:f800:50::6ca2:c373, 2a06:98c1:50::ac40:2373, 108.162.195.115, 162.159.44.115 and 172.64.35.115.

Mail Servers

Two mail servers mail.protonmail.ch and mailsec.protonmail.ch handle lab4.app.

lab4.app uses the same mail server setup as other domains such as jish.dev, mikud.com, mailfoxy.net, cheminduroi.eu and dreamonsoftware.com.

lab4.app shares some mail servers with other domains, including ghostbsd.org, drmarc.net, quantard.com, balasa.net and flux.zone.

Host names with three IP numbers

The host name mail.protonmail.ch points to 176.119.200.128, 185.70.42.128 and 185.205.70.128; the host name mailsec.protonmail.ch points to 176.119.200.129, 185.70.42.129 and 185.205.70.129