btx.dev - robtex.com

btx.dev

DNSSEC⚠️ Not signed
A2606:4700:3033::6815:c17🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::ac43:974f🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.12.23Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.151.79🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSderek.ns.cloudflare.com
A2606:4700:58::adf5:3b9a🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRderek.ns.cloudflare.com
A2803:f800:50::6ca2:c19a🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRderek.ns.cloudflare.com
A2a06:98c1:50::ac40:219a🇺🇸 Cloudflare2a06:98c1:50::/45
PTRderek.ns.cloudflare.com
A108.162.193.154🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRderek.ns.cloudflare.com
A172.64.33.154🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRderek.ns.cloudflare.com
A173.245.59.154🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRderek.ns.cloudflare.com
NSnancy.ns.cloudflare.com
A2606:4700:50::a29f:2654🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnancy.ns.cloudflare.com
A2803:f800:50::6ca2:c254🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRnancy.ns.cloudflare.com
A2a06:98c1:50::ac40:2254🇺🇸 Cloudflare2a06:98c1:50::/45
PTRnancy.ns.cloudflare.com
A108.162.194.84🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnancy.ns.cloudflare.com
A162.159.38.84Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnancy.ns.cloudflare.com
A172.64.34.84🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRnancy.ns.cloudflare.com
MXsmtp.google.com
A2607:f8b0:4004:c06::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbg-in-f26.1e100.net
A2607:f8b0:4004:c08::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbi-in-f26.1e100.net
A2607:f8b0:4004:c09::1a🇺🇸 Google2607:f8b0:4004::/48
PTRbh-in-f26.1e100.net
A2607:f8b0:4004:c09::1b🇺🇸 Google2607:f8b0:4004::/48
PTRbh-in-f27.1e100.net
A172.253.63.26🇺🇸 Google172.253.63.0/24
PTRbi-in-f26.1e100.net
A172.253.63.27🇺🇸 Google172.253.63.0/24
PTRbi-in-f27.1e100.net
A172.253.115.27🇺🇸 Google172.253.115.0/24
PTRbg-in-f27.1e100.net
A172.253.122.26🇺🇸 Google172.253.122.0/24
PTRbh-in-f26.1e100.net
A172.253.122.27🇺🇸 Google172.253.122.0/24
PTRbh-in-f27.1e100.net
TXTv=spf1 include:_spf.google.com ~all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.12.23, 172.67.151.79
IPv6 hints2606:4700:3033::6815:c17, 2606:4700:3037::ac43:974f
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=116, name=cloudflare-ech.com
SOAderek.ns.cloudflare.comdns@cloudflare.com serial=2406324404

dev

DNSSEC🔒 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=1
🔒 HSTS Preload (+subdomains)

Same first word

Similar names

DNS History

13 records (7 active, 6 former)

NSderek.ns.cloudflare.comnancy.ns.cloudflare.comMXsmtp.google.comA104.21.12.23172.67.151.792606:4700:3033::6815:c172606:4700:3037::ac43:974f188.114.96.4188.114.97.42606:4700:3031::ac43:974f2606:4700:3035::6815:c172a06:98c1:3120::2a06:98c1:3121::
NSderek.ns.cloudflare.com2026-06-15 → 2026-07-17 · 2 obs
● 2026-06-15 20:30:08
● 2026-07-17 15:50:10
NSnancy.ns.cloudflare.com2026-06-15 → 2026-07-17 · 2 obs
● 2026-06-15 20:30:08
● 2026-07-17 15:50:10
MXsmtp.google.com2026-06-15 → 2026-07-17 · 2 obs
● 2026-06-15 20:30:08
● 2026-07-17 15:50:10
A104.21.12.232026-06-15 → 2026-07-17 · 4 obs
● 2026-06-15 20:30:08
○ 2026-07-01 08:09:08
● 2026-07-01 19:18:30
● 2026-07-17 15:50:10
A172.67.151.792026-06-15 → 2026-07-17 · 4 obs
● 2026-06-15 20:30:08
○ 2026-07-01 08:09:08
● 2026-07-01 19:18:30
● 2026-07-17 15:50:10
A188.114.96.42026-07-01 → 2026-07-01 · 4 obs
○ 2026-06-27 04:21:36
● 2026-07-01 08:09:08
○ 2026-07-01 19:18:30
○ 2026-07-17 15:50:10
A188.114.97.42026-07-01 → 2026-07-01 · 4 obs
○ 2026-06-27 04:21:36
● 2026-07-01 08:09:08
○ 2026-07-01 19:18:30
○ 2026-07-17 15:50:10
A2606:4700:3031::ac43:974f2026-06-15 → 2026-06-16 · 4 obs
● 2026-06-15 20:30:08
● 2026-06-16 19:11:52
○ 2026-06-27 04:21:36
○ 2026-07-17 15:50:10
A2606:4700:3033::6815:c172026-06-27 → 2026-07-17 · 5 obs
○ 2026-06-16 19:11:52
● 2026-06-27 04:21:36
○ 2026-07-01 08:09:08
● 2026-07-01 19:18:30
● 2026-07-17 15:50:10
A2606:4700:3035::6815:c172026-06-15 → 2026-06-16 · 4 obs
● 2026-06-15 20:30:08
● 2026-06-16 19:11:52
○ 2026-06-27 04:21:36
○ 2026-07-17 15:50:10
A2606:4700:3037::ac43:974f2026-06-27 → 2026-07-17 · 5 obs
○ 2026-06-16 19:11:52
● 2026-06-27 04:21:36
○ 2026-07-01 08:09:08
● 2026-07-01 19:18:30
● 2026-07-17 15:50:10
A2a06:98c1:3120::2026-07-01 → 2026-07-01 · 4 obs
○ 2026-06-27 04:21:36
● 2026-07-01 08:09:08
○ 2026-07-01 19:18:30
○ 2026-07-17 15:50:10
A2a06:98c1:3121::2026-07-01 → 2026-07-01 · 4 obs
○ 2026-06-27 04:21:36
● 2026-07-01 08:09:08
○ 2026-07-01 19:18:30
○ 2026-07-17 15:50:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld1.charlestonroadregistry.com...10 records
btx.devderek.ns.cloudflare.com, nancy.ns.cloudflare.com-

✅ Authoritative Response

Server:162.159.38.84

NS records: derek.ns.cloudflare.com, nancy.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for btx.dev (unsigned zone)

⏱️ Timing

Total: 523ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.12.23, 172.67.151.79
AAAA22606:4700:3037::ac43:974f, 2606:4700:3033::6815:c17
NS2derek.ns.cloudflare.com, nancy.ns.cloudflare.com
MX1smtp.google.com (pri: 1)
TXT1v=spf1 include:_spf.google.com ~all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1derek.ns.cloudflare.com dns.cloudflare.c

📌 Glue Records Collected

Total: 10

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

Analysis

IP Addresses

btx.dev has four IP addresses: 104.21.12.23, 172.67.151.79, 2606:4700:3033::6815:c17 and 2606:4700:3037::ac43:974f.

Additional host names — maxcdn.project-gc.com, bidcsa.com, bcassessments.biz and two others — share IP numbers with btx.dev.

Name Servers

The NS records for btx.dev delegate to derek.ns.cloudflare.com and nancy.ns.cloudflare.com.

btx.dev shares its name server setup with other domains, including cs2-error.ru, wrk.org, swhhosting.com and two others.

btx.dev partially shares its NS delegation with several other domains, including asianbeautiestube.com, googlefitbitace.com, bvs-interiors.ru and two others.

These name servers are regularly seen alongside rudy.ns.cloudflare.com and west.ns.cloudflare.com as name servers.

Host names with 6 IP numbers:

derek.ns.cloudflare.com maps to 108.162.193.154, 172.64.33.154, 173.245.59.154 and 3 additional IP addresses.

nancy.ns.cloudflare.com maps to 108.162.194.84, 162.159.38.84, 172.64.34.84 and 3 additional IP addresses.

Mail Servers

btx.dev has one mail server: smtp.google.com.

btx.dev shares the same mail server setup as other domains, including cremeria-americana.com.mx, frostylabs.co, brady.es and two others.

btx.dev shares mail servers — at least in part — with other domains, including clientbase.pro, norintec.com, shoetopia.co.za and two others.

The mail servers alt1.aspmx.l.google.com and alt3.aspmx.l.google.com regularly co-occur with these mail servers.

smtp.google.com points to 9 IP numbers: 172.253.63.26, 172.253.63.27, 172.253.115.27 and 6 other.