sysb2.us - robtex.com
sysb2.us
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::6815:44d5🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::ac43:c6ab🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.68.213Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.198.171🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | john.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3bb9🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | john.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c1b9🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | john.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:21b9🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | john.ns.cloudflare.com | ||||||
| A | 108.162.193.185🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | john.ns.cloudflare.com | ||||||
| A | 172.64.33.185🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | john.ns.cloudflare.com | ||||||
| A | 173.245.59.185🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | john.ns.cloudflare.com | ||||||
| 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 | ||||||
| TXT | v=spf1 -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.68.213, 172.67.198.171 | ||||||
| IPv6 hints | 2606:4700:3031::6815:44d5, 2606:4700:3036::ac43:c6ab | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=232, name=cloudflare-ech.com | ||||||
| SOA | john.ns.cloudflare.comdns@cloudflare.com serial=2412296752 | ||||||
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=1787229192 | ||||||
Same first word
sysb2.us |
Similar names
Previous names
syrus.us |
syrx.us |
syry.us |
sys-con.us |
sys-link.us |
sys-sol.us |
sys.us |
sys1.us |
sysa.us |
sysadmin.us |
sysadmins.us |
sysapp.us |
sysarc.us |
Next names
DNS History
6 records (6 active, 0 former)
●NSjohn.ns.cloudflare.com2026-08-19 → 2026-08-20 · 2 obs
● 2026-08-20 12:41:00
●NSnaya.ns.cloudflare.com2026-08-19 → 2026-08-20 · 2 obs
● 2026-08-20 12:41:00
●A104.21.68.2132026-08-19 → 2026-08-20 · 2 obs
● 2026-08-20 12:41:00
●A172.67.198.1712026-08-19 → 2026-08-20 · 2 obs
● 2026-08-20 12:41:00
●A2606:4700:3031::6815:44d52026-08-19 → 2026-08-20 · 2 obs
● 2026-08-20 12:41:00
●A2606:4700:3036::ac43:c6ab2026-08-19 → 2026-08-20 · 2 obs
● 2026-08-20 12:41:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| us | b.cctld.us, f.cctld.us, k.cctld.us, m.cctld.us... | - |
| sysb2.us | naya.ns.cloudflare.com, john.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.185
NS records: naya.ns.cloudflare.com, john.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sysb2.us (unsigned zone)
⏱️ Timing
Total: 672ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.21.68.213, 172.67.198.171 |
| AAAA | 2 | 2606:4700:3031::6815:44d5, 2606:4700:3036::ac43:c6ab |
| NS | 2 | john.ns.cloudflare.com, naya.ns.cloudflare.com |
| TXT | 1 | v=spf1 -all |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | john.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
sysb2.us points to the four IP addresses 104.21.68.213, 172.67.198.171, 2606:4700:3031::6815:44d5 and 2606:4700:3036::ac43:c6ab.
folkpolska.sbs, petsuppliesmax.com, gvpdyh.gd8327.com and two other host names share IP numbers with sysb2.us.
Name Servers
sysb2.us uses two name servers for its delegation: john.ns.cloudflare.com and naya.ns.cloudflare.com.
sysb2.us uses the same name servers as several other domains — among them 6733-67336733.com, uu777confiavel.com, ju7.org and two more.
At least some of sysb2.us's name servers are shared with other domains, for example domfly.com, ycbaizhan.cyou, thechesapeaketoday.com and two more.
These name servers tend to be used in conjunction with the name servers aiden.ns.cloudflare.com.
Hostnames that resolve to 6 IP addresses:
Hostname john.ns.cloudflare.com directs to 108.162.193.185, 172.64.33.185 and 173.245.59.185 along with 3 other IP addresses.
Hostname naya.ns.cloudflare.com directs to 108.162.194.242, 162.159.38.242 and 172.64.34.242 along with 3 other IP addresses.