math-test-20.us - robtex.com
math-test-20.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3035::6815:54bd🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::ac43:c416🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.84.189Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.196.22🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | naya.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::a29f:26f2🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | naya.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c2f2🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | naya.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:22f2🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | naya.ns.cloudflare.com | ||||||
| A | 108.162.194.242🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | naya.ns.cloudflare.com | ||||||
| A | 162.159.38.242Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | naya.ns.cloudflare.com | ||||||
| A | 172.64.34.242🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | naya.ns.cloudflare.com | ||||||
| NS | wilson.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c6e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | wilson.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c36e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | wilson.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:236e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | wilson.ns.cloudflare.com | ||||||
| A | 108.162.195.110🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | wilson.ns.cloudflare.com | ||||||
| A | 162.159.44.110Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | wilson.ns.cloudflare.com | ||||||
| A | 172.64.35.110🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | wilson.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.84.189, 172.67.196.22 | ||||||
| IPv6 hints | 2606:4700:3035::6815:54bd, 2606:4700:3037::ac43:c416 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=121, name=cloudflare-ech.com | ||||||
| SOA | naya.ns.cloudflare.comdns@cloudflare.com serial=2401201902 | ||||||
us
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.cctld.us ⭐ | ||||||
| NS | b.cctld.us | ||||||
| NS | f.cctld.us | ||||||
| NS | k.cctld.us | ||||||
| NS | m.cctld.us | ||||||
| NS | n.cctld.us | ||||||
| NS | w.cctld.us | ||||||
| NS | x.cctld.us | ||||||
| NS | y.cctld.us | ||||||
| SOA | a.cctld.usadmin@tldns.godaddy serial=1777131483 | ||||||
Same first word
math-test-20.us |
DNS History
8 records (6 active, 2 former)
●NSnaya.ns.cloudflare.com2026-02-26 → 2026-04-25 · 2 obs
● 2026-04-25 16:13:10
●NSwilson.ns.cloudflare.com2026-02-26 → 2026-04-25 · 2 obs
● 2026-04-25 16:13:10
●A104.21.84.1892026-03-25 → 2026-04-25 · 3 obs
● 2026-03-25 22:00:40
● 2026-04-25 16:13:10
○A172.64.80.12026-02-26 → 2026-02-26 · 3 obs
○ 2026-03-25 22:00:40
○ 2026-04-25 16:13:10
●A172.67.196.222026-03-25 → 2026-04-25 · 3 obs
● 2026-03-25 22:00:40
● 2026-04-25 16:13:10
○A2606:4700:130:436c:6f75:6466:6c61:72652026-02-26 → 2026-02-26 · 3 obs
○ 2026-03-25 22:00:40
○ 2026-04-25 16:13:10
●A2606:4700:3035::6815:54bd2026-03-25 → 2026-04-25 · 3 obs
● 2026-03-25 22:00:40
● 2026-04-25 16:13:10
●A2606:4700:3037::ac43:c4162026-03-25 → 2026-04-25 · 3 obs
● 2026-03-25 22:00:40
● 2026-04-25 16:13:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | f.cctld.us, b.cctld.us, w.cctld.us, x.cctld.us... | - |
| math-test-20.us | wilson.ns.cloudflare.com, naya.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.38.242
NS records: wilson.ns.cloudflare.com, naya.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for math-test-20.us (unsigned zone)
⏱️ Timing
Total: 544ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.196.22, 104.21.84.189 |
| AAAA | 2 | 2606:4700:3037::ac43:c416, 2606:4700:3035::6815:54bd |
| NS | 2 | naya.ns.cloudflare.com, wilson.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | naya.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
math-test-20.us points to four IP numbers: 2606:4700:3035::6815:54bd, 2606:4700:3037::ac43:c416, 104.21.84.189 and 172.67.196.22.
Other host names including zendezines.com, enbook.us, ivmsrl.it, 889992490.xyz and nanodoge.io share IP numbers with math-test-20.us.
Name Servers
math-test-20.us's delegation uses two name servers, naya.ns.cloudflare.com and wilson.ns.cloudflare.com.
math-test-20.us shares the same name server setup as other domains, for example cheguevaraclub.ru, ocballoons.it, wpiventureforum.org, altermedia.org and furcle.com.
math-test-20.us at least partially shares name servers with other domains, including sprouttable.com, wercdc.xyz, metvbox.stream, outputthis.org and medforum.com.pl.
These name servers are often used together with ashton.ns.cloudflare.com.
Host names with six IP numbers:
naya.ns.cloudflare.com points to: 2606:4700:50::a29f:26f2, 2803:f800:50::6ca2:c2f2, 2a06:98c1:50::ac40:22f2, 108.162.194.242, 162.159.38.242 and 172.64.34.242.
wilson.ns.cloudflare.com points to: 2606:4700:58::a29f:2c6e, 2803:f800:50::6ca2:c36e, 2a06:98c1:50::ac40:236e, 108.162.195.110, 162.159.44.110 and 172.64.35.110.