qa101.best - robtex.com
qa101.best
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3032::6815:2f04🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:8f8a🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.47.4Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.143.138🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | nova.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:2681🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c281🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2281🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 108.162.194.129🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 162.159.38.129Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| A | 172.64.34.129🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | nova.ns.cloudflare.com | ||||||
| NS | rommy.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c14🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rommy.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c314🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | rommy.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2314🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | rommy.ns.cloudflare.com | ||||||
| A | 108.162.195.20🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rommy.ns.cloudflare.com | ||||||
| A | 162.159.44.20Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rommy.ns.cloudflare.com | ||||||
| A | 172.64.35.20🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | rommy.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.47.4, 172.67.143.138 | ||||||
| IPv6 hints | 2606:4700:3032::6815:2f04, 2606:4700:3033::ac43:8f8a | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=244, name=cloudflare-ech.com | ||||||
| SOA | nova.ns.cloudflare.comdns@cloudflare.com serial=2402736567 | ||||||
best
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.best | ||||||
| NS | b.nic.best | ||||||
| NS | c.nic.best | ||||||
| NS | d.nic.best | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1527241441 | ||||||
Subdomains
cn.qa101.best |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSnova.ns.cloudflare.com2026-04-25 → 2026-05-11 · 2 obs
● 2026-05-11 05:17:24
●NSrommy.ns.cloudflare.com2026-04-25 → 2026-05-11 · 2 obs
● 2026-05-11 05:17:24
●A104.21.47.42026-04-25 → 2026-05-11 · 2 obs
● 2026-05-11 05:17:24
●A172.67.143.1382026-04-25 → 2026-05-11 · 2 obs
● 2026-05-11 05:17:24
●A2606:4700:3032::6815:2f042026-04-25 → 2026-05-11 · 2 obs
● 2026-05-11 05:17:24
●A2606:4700:3033::ac43:8f8a2026-04-25 → 2026-05-11 · 2 obs
● 2026-05-11 05:17:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| best | a.nic.best, b.nic.best, c.nic.best, d.nic.best | 8 records |
| qa101.best | nova.ns.cloudflare.com, rommy.ns.cloudflare.com | - |
✅ Authoritative Response
Server:172.64.35.20
NS records: nova.ns.cloudflare.com, rommy.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for qa101.best (unsigned zone)
⏱️ Timing
Total: 1334ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.47.4, 172.67.143.138 |
| AAAA | 2 | 2606:4700:3033::ac43:8f8a, 2606:4700:3032::6815:2f04 |
| NS | 2 | nova.ns.cloudflare.com, rommy.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | nova.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (a.nic.best, a.nic.best, b.nic.best...)
Analysis
Hierarchy
The parent of cn.qa101.best is qa101.best.
IP Addresses
qa101.best points to four IP numbers: 2606:4700:3032::6815:2f04, 2606:4700:3033::ac43:8f8a, 104.21.47.4 and 172.67.143.138.
Other host names, for instance nexxco24.de, track.sparklexads.com, chateaubeeselection.com, itsnotallwork.com and bk-market.pl share IP numbers with qa101.best.
Name Servers
qa101.best is delegated to two name servers: nova.ns.cloudflare.com and rommy.ns.cloudflare.com.
qa101.best uses the same name server setup as other domains, for instance 78bj6u.lol, wmondlrz.com, ggsp331.top, j4yky6ign.top and bhdizhi135.wiki.
qa101.best shares name servers with other domains at least partially, for instance gfm1s9m5.com, birke-ev.de, ajgray.us, 3569257960.cc and userveme.com.
these name servers are often used together with the name servers rudy.ns.cloudflare.com.
Host names with six IP numbers: nova.ns.cloudflare.com points to 2606:4700:50::a29f:2681, 2803:f800:50::6ca2:c281, 2a06:98c1:50::ac40:2281, 108.162.194.129, 162.159.38.129 and 172.64.34.129; rommy.ns.cloudflare.com points to 2606:4700:58::a29f:2c14, 2803:f800:50::6ca2:c314, 2a06:98c1:50::ac40:2314, 108.162.195.20, 162.159.44.20 and 172.64.35.20.