chu1math.sbs - robtex.com
chu1math.sbs
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:c79f🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::6815:15a5🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.21.165Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.199.159🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | etta.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a9c🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | etta.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c09c🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | etta.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:209c🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | etta.ns.cloudflare.com | ||||||
| A | 108.162.192.156🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | etta.ns.cloudflare.com | ||||||
| A | 172.64.32.156🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | etta.ns.cloudflare.com | ||||||
| A | 173.245.58.156🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | etta.ns.cloudflare.com | ||||||
| NS | peter.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2c03🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | peter.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c303🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | peter.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2303🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | peter.ns.cloudflare.com | ||||||
| A | 108.162.195.3🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | peter.ns.cloudflare.com | ||||||
| A | 162.159.44.3Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | peter.ns.cloudflare.com | ||||||
| A | 172.64.35.3🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | peter.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.21.165, 172.67.199.159 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:c79f, 2606:4700:3033::6815:15a5 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=191, name=cloudflare-ech.com | ||||||
| SOA | etta.ns.cloudflare.comdns@cloudflare.com serial=2410225268 | ||||||
sbs
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.nic.sbs | ||||||
| NS | b.nic.sbs | ||||||
| NS | c.nic.sbs | ||||||
| NS | d.nic.sbs | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1786891144 | ||||||
⚠️ On DNS blocklist: spam-tlds
Same first word
chu1math.sbs |
DNS History
10 records (6 active, 4 former)
●NSetta.ns.cloudflare.com2026-07-27 → 2026-08-16 · 2 obs
● 2026-08-16 14:42:02
●NSpeter.ns.cloudflare.com2026-07-27 → 2026-08-16 · 2 obs
● 2026-08-16 14:42:02
●A104.21.21.1652026-08-16 → 2026-08-16 · 2 obs
● 2026-08-16 14:42:02
●A172.67.199.1592026-08-16 → 2026-08-16 · 2 obs
● 2026-08-16 14:42:02
○A188.114.96.02026-07-27 → 2026-07-27 · 2 obs
○ 2026-08-16 14:42:02
○A188.114.97.02026-07-27 → 2026-07-27 · 2 obs
○ 2026-08-16 14:42:02
●A2606:4700:3031::ac43:c79f2026-08-16 → 2026-08-16 · 2 obs
● 2026-08-16 14:42:02
●A2606:4700:3033::6815:15a52026-08-16 → 2026-08-16 · 2 obs
● 2026-08-16 14:42:02
○A2a06:98c1:3120::2026-07-27 → 2026-07-27 · 2 obs
○ 2026-08-16 14:42:02
○A2a06:98c1:3121::2026-07-27 → 2026-07-27 · 2 obs
○ 2026-08-16 14:42:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sbs | a.nic.sbs, b.nic.sbs, c.nic.sbs, d.nic.sbs | - |
| chu1math.sbs | etta.ns.cloudflare.com, peter.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.192.156
NS records: etta.ns.cloudflare.com, peter.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for chu1math.sbs (unsigned zone)
⏱️ Timing
Total: 343ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.199.159, 104.21.21.165 |
| AAAA | 2 | 2606:4700:3033::6815:15a5, 2606:4700:3031::ac43:c79f |
| NS | 2 | etta.ns.cloudflare.com, peter.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | etta.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
chu1math.sbs directs to four IP numbers, which are 104.21.21.165, 172.67.199.159, 2606:4700:3031::ac43:c79f and 2606:4700:3033::6815:15a5.
Among the host names that share IP numbers with chu1math.sbs are wa-google.com.cn, hmu.today, dyslexia-add.org and two others.
Name Servers
The NS records for chu1math.sbs delegate to etta.ns.cloudflare.com and peter.ns.cloudflare.com.
chu1math.sbs has the same name server delegation as a number of other domains, such as eca67m.mom, softunders.com, 8v9ty3.mom and two more.
The name servers of chu1math.sbs overlap at least partially with those of other domains — among them animixplay.se, zscom.ru, illwindri.com and two more.
These name servers commonly appear alongside the name servers vick.ns.cloudflare.com and cory.ns.cloudflare.com.
Host names resolving to 6 IP numbers:
etta.ns.cloudflare.com maps to 108.162.192.156, 172.64.32.156, 173.245.58.156 and 3 additional IP addresses.
peter.ns.cloudflare.com maps to 108.162.195.3, 162.159.44.3, 172.64.35.3 and 3 additional IP addresses.