kupian.app - robtex.com
kupian.app
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:1b04🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3033::ac43:8bc6🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.27.4Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.139.198🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | erin.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:50::adf5:3a71🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c071🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2071🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 108.162.192.113🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 172.64.32.113🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| A | 173.245.58.113🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | erin.ns.cloudflare.com | ||||||
| NS | leo.ns.cloudflare.com | ||||||
| A | 2606:4700:58::a29f:2cf1🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c3f1🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:23f1🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| A | 108.162.195.241🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| A | 162.159.44.241Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| A | 172.64.35.241🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | leo.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.27.4, 172.67.139.198 | ||||||
| IPv6 hints | 2606:4700:3030::6815:1b04, 2606:4700:3033::ac43:8bc6 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=23, name=cloudflare-ech.com | ||||||
| SOA | erin.ns.cloudflare.comdns@cloudflare.com serial=2410127089 | ||||||
app
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=101427 | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSerin.ns.cloudflare.com2026-07-13 → 2026-08-03 · 2 obs
● 2026-08-03 05:16:44
●NSleo.ns.cloudflare.com2026-07-13 → 2026-08-03 · 2 obs
● 2026-08-03 05:16:44
●A104.21.27.42026-07-13 → 2026-08-03 · 2 obs
● 2026-08-03 05:16:44
●A172.67.139.1982026-07-13 → 2026-08-03 · 2 obs
● 2026-08-03 05:16:44
●A2606:4700:3030::6815:1b042026-07-13 → 2026-08-03 · 2 obs
● 2026-08-03 05:16:44
●A2606:4700:3033::ac43:8bc62026-07-13 → 2026-08-03 · 2 obs
● 2026-08-03 05:16:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| app | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| kupian.app | leo.ns.cloudflare.com, erin.ns.cloudflare.com | - |
✅ Authoritative Response
Server:162.159.44.241
NS records: leo.ns.cloudflare.com, erin.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kupian.app (unsigned zone)
⏱️ Timing
Total: 544ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.139.198, 104.21.27.4 |
| AAAA | 2 | 2606:4700:3030::6815:1b04, 2606:4700:3033::ac43:8bc6 |
| NS | 2 | erin.ns.cloudflare.com, leo.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | erin.ns.cloudflare.com dns.cloudflare.co |
Analysis
IP Addresses
kupian.app points to the four IP addresses 104.21.27.4, 172.67.139.198, 2606:4700:3030::6815:1b04 and 2606:4700:3033::ac43:8bc6.
www.preallocation-cascade.com, albbyhj577.com, deadmansbones.net plus two other host names have IP numbers in common with kupian.app.
Name Servers
Two name servers handle the delegation for kupian.app: erin.ns.cloudflare.com and leo.ns.cloudflare.com.
The name server configuration of kupian.app is shared with other domains, for instance 52yingka.vip, mtdh30.cc, kcshu.com and two others.
The name servers of kupian.app overlap at least partially with those of other domains — among them ddg.ink, twb66xj.mom, ups-santak.net and two more.
These name servers commonly appear alongside the name servers ivan.ns.cloudflare.com and lex.ns.cloudflare.com.
Hosts with 6 IP addresses each:
erin.ns.cloudflare.com resolves to 108.162.192.113, 172.64.32.113 and 173.245.58.113 among others, with 3 other IP addresses in total.
leo.ns.cloudflare.com resolves to 108.162.195.241, 162.159.44.241 and 172.64.35.241 among others, with 3 other IP addresses in total.