bs4web.at - robtex.com
bs4web.at
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:47bf🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3032::ac43:9416🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.71.191Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.148.22🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | doug.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b9f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c19f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:219f🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| A | 108.162.193.159🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| A | 172.64.33.159🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| A | 173.245.59.159🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | doug.ns.cloudflare.com | ||||||
| NS | sarah.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:26da🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sarah.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2da🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | sarah.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22da🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | sarah.ns.cloudflare.com | ||||||
| A | 108.162.194.218🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sarah.ns.cloudflare.com | ||||||
| A | 162.159.38.218Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sarah.ns.cloudflare.com | ||||||
| A | 172.64.34.218🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | sarah.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.71.191, 172.67.148.22 | ||||||
| IPv6 hints | 2606:4700:3030::6815:47bf, 2606:4700:3032::ac43:9416 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=158, name=cloudflare-ech.com | ||||||
| SOA | doug.ns.cloudflare.comdns@cloudflare.com serial=2398848662 | ||||||
at
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | dns.nic.at ⭐ | ||||||
| NS | d.ns.at | ||||||
| NS | j.ns.at | ||||||
| NS | n.ns.at | ||||||
| NS | ns1.univie.ac.at | ||||||
| NS | ns2.univie.ac.at | ||||||
| NS | r.ns.at | ||||||
| NS | u.ns.at | ||||||
| SOA | dns.nic.atdomain-admin@univie.ac.at serial=1776261602 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSdoug.ns.cloudflare.com2026-04-10 → 2026-04-15 · 2 obs
● 2026-04-15 15:18:50
●NSsarah.ns.cloudflare.com2026-04-10 → 2026-04-15 · 2 obs
● 2026-04-15 15:18:50
●A104.21.71.1912026-04-10 → 2026-04-15 · 2 obs
● 2026-04-15 15:18:50
●A172.67.148.222026-04-10 → 2026-04-15 · 2 obs
● 2026-04-15 15:18:50
●A2606:4700:3030::6815:47bf2026-04-10 → 2026-04-15 · 2 obs
● 2026-04-15 15:18:50
●A2606:4700:3032::ac43:94162026-04-10 → 2026-04-15 · 2 obs
● 2026-04-15 15:18:50
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | u.ns.at, ns2.univie.ac.at, n.ns.at, d.ns.at... | - |
| bs4web.at | doug.ns.cloudflare.com, sarah.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.194.218
NS records: doug.ns.cloudflare.com, sarah.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bs4web.at (unsigned zone)
⏱️ Timing
Total: 763ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.148.22, 104.21.71.191 |
| AAAA | 2 | 2606:4700:3030::6815:47bf, 2606:4700:3032::ac43:9416 |
| NS | 2 | doug.ns.cloudflare.com, sarah.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | doug.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
bs4web.at points to four IP numbers: 2606:4700:3030::6815:47bf, 2606:4700:3032::ac43:9416, 104.21.71.191 and 172.67.148.22.
For instance, other host names actualidadhoy.com, xskjfz.cn, karaken19.at, mega-stockach.de and www-erome-com.zproxy.vip share IP numbers with bs4web.at.
Name Servers
bs4web.at is delegated to two name servers: doug.ns.cloudflare.com and sarah.ns.cloudflare.com.
bs4web.at uses the same name server setup as other domains such as wnd.su, staygueshub.com, sumnermredstonefoundation.org, smsrostov.ru and sibtroya.ru.
bs4web.at shares name servers with other domains at least partially, for example mofta.info, ropaimage.tw, rapidlearn.com.au, mt-publishing.com and nwgadental.com.
These name servers are commonly used with the name servers chan.ns.cloudflare.com and agustin.ns.cloudflare.com.
Host names with six IP numbers: host name doug.ns.cloudflare.com points to: 2606:4700:58::adf5:3b9f, 2803:f800:50::6ca2:c19f, 2a06:98c1:50::ac40:219f, 108.162.193.159, 172.64.33.159 and 173.245.59.159; host name sarah.ns.cloudflare.com points to: 2606:4700:50::a29f:26da, 2803:f800:50::6ca2:c2da, 2a06:98c1:50::ac40:22da, 108.162.194.218, 162.159.38.218 and 172.64.34.218.