krzb3.at - robtex.com
krzb3.at
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3037::6815:2026🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:b6ba🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.32.38Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.182.186🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | leonard.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c36🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c336🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2336🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 108.162.195.54🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 162.159.44.54Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| A | 172.64.35.54🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leonard.ns.cloudflare.com | ||||||
| NS | ulla.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3ae9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0e9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20e9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 108.162.192.233🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 172.64.32.233🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| A | 173.245.58.233🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | ulla.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.32.38, 172.67.182.186 | ||||||
| IPv6 hints | 2606:4700:3037::6815:2026, 2606:4700:3037::ac43:b6ba | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=40, name=cloudflare-ech.com | ||||||
| SOA | leonard.ns.cloudflare.comdns@cloudflare.com serial=2402611601 | ||||||
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=1778432402 | ||||||
Same first word
krzb3.at |
DNS History
6 records (6 active, 0 former)
●NSleonard.ns.cloudflare.com2026-05-05 → 2026-05-10 · 2 obs
● 2026-05-10 17:14:54
●NSulla.ns.cloudflare.com2026-05-05 → 2026-05-10 · 2 obs
● 2026-05-10 17:14:54
●A104.21.32.382026-05-05 → 2026-05-10 · 2 obs
● 2026-05-10 17:14:54
●A172.67.182.1862026-05-05 → 2026-05-10 · 2 obs
● 2026-05-10 17:14:54
●A2606:4700:3037::6815:20262026-05-05 → 2026-05-10 · 2 obs
● 2026-05-10 17:14:54
●A2606:4700:3037::ac43:b6ba2026-05-05 → 2026-05-10 · 2 obs
● 2026-05-10 17:14:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| at | ns2.univie.ac.at, d.ns.at, j.ns.at, u.ns.at... | - |
| krzb3.at | ulla.ns.cloudflare.com, leonard.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.58.233
NS records: ulla.ns.cloudflare.com, leonard.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for krzb3.at (unsigned zone)
⏱️ Timing
Total: 1258ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.32.38, 172.67.182.186 |
| AAAA | 2 | 2606:4700:3037::6815:2026, 2606:4700:3037::ac43:b6ba |
| NS | 2 | leonard.ns.cloudflare.com, ulla.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | leonard.ns.cloudflare.com dns.cloudflare |
Analysis
IP Addresses
krzb3.at resolves to four IP numbers: 2606:4700:3037::6815:2026, 2606:4700:3037::ac43:b6ba, 104.21.32.38 and 172.67.182.186.
other host names for instance xn--shufflekaszin-nlb.com, www.investmama.ru, seo-anomaly-1.xyz, srch.mobi and creativediary.net share IP numbers with krzb3.at.
Name Servers
krzb3.at is delegated to two name servers: leonard.ns.cloudflare.com and ulla.ns.cloudflare.com.
krzb3.at shares the same name server setup as other domains, for example kra2b3.at, fiargentina.com.ar, raqidee.pro, krar47.at and razonypalabra.org.mx.
krzb3.at at least partially shares name servers with other domains, for instance cidre-kerloick.com, gochargenetworks.com, sunwin.lt, neurostacklab.top and ilnuovolomellino.it.
These name servers are often used with clay.ns.cloudflare.com and susan.ns.cloudflare.com.
Host names with six IP numbers:
leonard.ns.cloudflare.com points to: 2606:4700:58::a29f:2c36, 2803:f800:50::6ca2:c336, 2a06:98c1:50::ac40:2336, 108.162.195.54, 162.159.44.54 and 172.64.35.54; ulla.ns.cloudflare.com points to: 2606:4700:50::adf5:3ae9, 2803:f800:50::6ca2:c0e9, 2a06:98c1:50::ac40:20e9, 108.162.192.233, 172.64.32.233 and 173.245.58.233.