sis.sx - robtex.com
sis.sx
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::ac43:9fa3🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:325b🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.50.91Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.159.163🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | lennox.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2cd6🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lennox.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3d6🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | lennox.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23d6🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | lennox.ns.cloudflare.com | ||||||
| A | 108.162.195.214🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lennox.ns.cloudflare.com | ||||||
| A | 162.159.44.214Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lennox.ns.cloudflare.com | ||||||
| A | 172.64.35.214🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | lennox.ns.cloudflare.com | ||||||
| NS | serena.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3adc🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | serena.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0dc🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | serena.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20dc🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | serena.ns.cloudflare.com | ||||||
| A | 108.162.192.220🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | serena.ns.cloudflare.com | ||||||
| A | 172.64.32.220🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | serena.ns.cloudflare.com | ||||||
| A | 173.245.58.220🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | serena.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.50.91, 172.67.159.163 | ||||||
| IPv6 hints | 2606:4700:3030::ac43:9fa3, 2606:4700:3036::6815:325b | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com | ||||||
| SOA | lennox.ns.cloudflare.comdns@cloudflare.com serial=2398408713 | ||||||
sx
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | prd-fzp-05.corp.cira.ca ⭐ | ||||||
| NS | ns1.ns.sx | ||||||
| NS | ns2.ns.sx | ||||||
| NS | ns3.ns.sx | ||||||
| NS | ns4.ns.sx | ||||||
| SOA | prd-fzp-05.corp.cira.caadmin-dns@cira.ca serial=2604130120 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSlennox.ns.cloudflare.com2026-04-11 → 2026-04-13 · 2 obs
● 2026-04-13 01:32:56
●NSserena.ns.cloudflare.com2026-04-11 → 2026-04-13 · 2 obs
● 2026-04-13 01:32:56
●A104.21.50.912026-04-11 → 2026-04-13 · 2 obs
● 2026-04-13 01:32:56
●A172.67.159.1632026-04-11 → 2026-04-13 · 2 obs
● 2026-04-13 01:32:56
●A2606:4700:3030::ac43:9fa32026-04-11 → 2026-04-13 · 2 obs
● 2026-04-13 01:32:56
●A2606:4700:3036::6815:325b2026-04-11 → 2026-04-13 · 2 obs
● 2026-04-13 01:32:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| sx | ns1.ns.sx, ns2.ns.sx, ns3.ns.sx, ns4.ns.sx | 8 records |
| sis.sx | lennox.ns.cloudflare.com, serena.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.214
NS records: lennox.ns.cloudflare.com, serena.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sis.sx (unsigned zone)
⏱️ Timing
Total: 780ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.159.163, 104.21.50.91 |
| AAAA | 2 | 2606:4700:3036::6815:325b, 2606:4700:3030::ac43:9fa3 |
| NS | 2 | lennox.ns.cloudflare.com, serena.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | lennox.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 8
In-bailiwick: 8 (ns1.ns.sx, ns2.ns.sx, ns3.ns.sx...)
Analysis
IP Addresses
sis.sx points to four IP numbers: 2606:4700:3030::ac43:9fa3, 2606:4700:3036::6815:325b, 104.21.50.91 and 172.67.159.163.
Other host names, for instance musicosdezaragoza.com, celltech.com.au, activities.armspedia.com, eduardoxtae847.huicopper.com and background-dantesnic429.huicopper.com share IP numbers with sis.sx.
Name Servers
sis.sx's delegation is to two name servers lennox.ns.cloudflare.com and serena.ns.cloudflare.com.
sis.sx shares the same name server configuration as other domains, such as tb24.cc, nut.edu.kg, 2789.cc, venom24.vip and amg24.vip.
sis.sx at least partially shares its name servers with other domains, for instance actovox.com, imakelifehappen.net, upload.pk, guolingbaojian.com and revell.com.au.
These name servers are often used together with the name servers athena.ns.cloudflare.com.
Host names with six IP numbers:
lennox.ns.cloudflare.com points to: 2606:4700:58::a29f:2cd6, 2803:f800:50::6ca2:c3d6, 2a06:98c1:50::ac40:23d6, 108.162.195.214, 162.159.44.214 and 172.64.35.214.
serena.ns.cloudflare.com points to: 2606:4700:50::adf5:3adc, 2803:f800:50::6ca2:c0dc, 2a06:98c1:50::ac40:20dc, 108.162.192.220, 172.64.32.220 and 173.245.58.220.