stbr.dev - robtex.com

stbr.dev

DNSSEC⚠️ Not signed
A2606:4700:3035::6815:2bd8🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3036::ac43:b9eb🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.43.216Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.185.235🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NScass.ns.cloudflare.com ⭐
A2606:4700:50::adf5:3a51🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A2803:f800:50::6ca2:c051🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcass.ns.cloudflare.com
A2a06:98c1:50::ac40:2051🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcass.ns.cloudflare.com
A108.162.192.81🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A172.64.32.81🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
A173.245.58.81🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcass.ns.cloudflare.com
NScleo.ns.cloudflare.com
A2606:4700:58::adf5:3b59🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
A2803:f800:50::6ca2:c159🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRcleo.ns.cloudflare.com
A2a06:98c1:50::ac40:2159🇺🇸 Cloudflare2a06:98c1:50::/45
PTRcleo.ns.cloudflare.com
A108.162.193.89🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
A172.64.33.89🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
A173.245.59.89🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRcleo.ns.cloudflare.com
MXwww4.your-server.de ⭐
A2a01:4f8:d0a:27bd::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRwww4.your-server.de
A88.198.219.246🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4
PTRwww4.your-server.de
TXTv=spf1 +a +mx ?all
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.43.216, 172.67.185.235
IPv6 hints2606:4700:3035::6815:2bd8, 2606:4700:3036::ac43:b9eb
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=87, name=cloudflare-ech.com
SOAcass.ns.cloudflare.comdns@cloudflare.com serial=2411053500

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

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stbr.com.br
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stbr.de
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stbr.nl
stbr.dev

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DNS History

8 records (7 active, 1 former)

NScass.ns.cloudflare.comcleo.ns.cloudflare.comMXwww4.your-server.deA104.21.43.216172.67.185.2352606:4700:3035::6815:2bd82606:4700:3036::ac43:b9eb2606:4700:3034::ac43:b9eb
●NScass.ns.cloudflare.com2026-04-12 → 2026-08-04 · 2 obs
● 2026-04-12 22:36:06
● 2026-08-04 01:35:32
●NScleo.ns.cloudflare.com2026-04-12 → 2026-08-04 · 2 obs
● 2026-04-12 22:36:06
● 2026-08-04 01:35:32
●MXwww4.your-server.de2026-04-12 → 2026-08-04 · 2 obs
● 2026-04-12 22:36:06
● 2026-08-04 01:35:32
●A104.21.43.2162026-04-12 → 2026-08-04 · 2 obs
● 2026-04-12 22:36:06
● 2026-08-04 01:35:32
●A172.67.185.2352026-04-12 → 2026-08-04 · 2 obs
● 2026-04-12 22:36:06
● 2026-08-04 01:35:32
○A2606:4700:3034::ac43:b9eb2026-04-12 → 2026-04-12 · 3 obs
● 2026-04-12 22:36:06
○ 2026-07-04 09:40:56
○ 2026-08-04 01:35:32
●A2606:4700:3035::6815:2bd82026-04-12 → 2026-08-04 · 2 obs
● 2026-04-12 22:36:06
● 2026-08-04 01:35:32
●A2606:4700:3036::ac43:b9eb2026-07-04 → 2026-08-04 · 3 obs
○ 2026-04-12 22:36:06
● 2026-07-04 09:40:56
● 2026-08-04 01:35:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
devns-tld5.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com...-
stbr.devcass.ns.cloudflare.com, cleo.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.89

NS records: cass.ns.cloudflare.com, cleo.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stbr.dev (unsigned zone)

⏱️ Timing

Total: 498ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.43.216, 172.67.185.235
AAAA22606:4700:3036::ac43:b9eb, 2606:4700:3035::6815:2bd8
NS2cass.ns.cloudflare.com, cleo.ns.cloudflare.com
MX1www4.your-server.de (pri: 10)
TXT1v=spf1 +a +mx ?all
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1cass.ns.cloudflare.com dns.cloudflare.co

Analysis

IP Addresses

stbr.dev resolves to four IP addresses: 104.21.43.216, 172.67.185.235, 2606:4700:3035::6815:2bd8 and 2606:4700:3036::ac43:b9eb.

Two other host names, along with www.efilive.com, csipike.hu and mihaivasilescublog.ro, also share IP numbers with stbr.dev.

Name Servers

stbr.dev uses two name servers for its delegation: cass.ns.cloudflare.com and cleo.ns.cloudflare.com.

stbr.dev shares its NS records with other domains, for example wvgf.de, googleos-js.vip, gebakuitgouda.nl and two others.

stbr.dev shares at least some of its name servers with other domains, including ocrv.us, cpj.ca, lukeatyou.com and two others.

These name servers are frequently seen alongside the name servers nitin.ns.cloudflare.com.

DNS names with 6 IP addresses:

Hostname cass.ns.cloudflare.com directs to 108.162.192.81, 172.64.32.81 and 173.245.58.81 along with 3 other IP addresses.

Hostname cleo.ns.cloudflare.com directs to 108.162.193.89, 172.64.33.89 and 173.245.59.89 along with 3 other IP addresses.

Mail Servers

The sole mail server for stbr.dev is www4.your-server.de.

Among the domains sharing a mail server setup with stbr.dev are schladming-rohrmoos.at, vitronet.eu, buttercup.de and two others.

stbr.dev shares at least some of its mail servers with other domains, such as thdn.de.

www4.your-server.de points to two IP addresses: 88.198.219.246 and 2a01:4f8:d0a:27bd::2.