nustcdn.online - robtex.com
nustcdn.online
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3030::6815:29eb🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3034::ac43:c4b8🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.41.235Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.196.184🇺🇸 Cloudflare172.67.192.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | duke.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::adf5:3b6e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c16e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:216e🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 108.162.193.110🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 172.64.33.110🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| A | 173.245.59.110🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | duke.ns.cloudflare.com | ||||||
| NS | summer.ns.cloudflare.com | ||||||
| A | 2606:4700:50::a29f:2609🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | summer.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c209🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | summer.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2209🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | summer.ns.cloudflare.com | ||||||
| A | 108.162.194.9🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | summer.ns.cloudflare.com | ||||||
| A | 162.159.38.9Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | summer.ns.cloudflare.com | ||||||
| A | 172.64.34.9🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | summer.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.41.235, 172.67.196.184 | ||||||
| IPv6 hints | 2606:4700:3030::6815:29eb, 2606:4700:3034::ac43:c4b8 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=143, name=cloudflare-ech.com | ||||||
| SOA | duke.ns.cloudflare.comdns@cloudflare.com serial=2401948025 | ||||||
online
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns01.trs-dns.com ⭐ | ||||||
| NS | ns.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns.trs-dns.comtrs-ops@tucows.com serial=1778435311 | ||||||
Same first word
nustcdn.online |
DNS History
6 records (6 active, 0 former)
●NSduke.ns.cloudflare.com2026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 18:06:10
●NSsummer.ns.cloudflare.com2026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 18:06:10
●A104.21.41.2352026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 18:06:10
●A172.67.196.1842026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 18:06:10
●A2606:4700:3030::6815:29eb2026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 18:06:10
●A2606:4700:3034::ac43:c4b82026-05-04 → 2026-05-10 · 2 obs
● 2026-05-10 18:06:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| online | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | 8 records |
| nustcdn.online | duke.ns.cloudflare.com, summer.ns.cloudflare.com | - |
✅ Authoritative Response
Server:173.245.59.110
NS records: duke.ns.cloudflare.com, summer.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nustcdn.online (unsigned zone)
⏱️ Timing
Total: 314ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.196.184, 104.21.41.235 |
| AAAA | 2 | 2606:4700:3034::ac43:c4b8, 2606:4700:3030::6815:29eb |
| NS | 2 | duke.ns.cloudflare.com, summer.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | duke.ns.cloudflare.com dns.cloudflare.co |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org...)
Analysis
IP Addresses
nustcdn.online points to four IP numbers: 2606:4700:3030::6815:29eb, 2606:4700:3034::ac43:c4b8, 104.21.41.235 and 172.67.196.184.
Other host names, for instance duquebacelar.sipae.com.br, parnarama.sipae.com.br, chapoeventos.com, trouvoojoo.enterprises and 41a5af84c5c1.leragioni.it share IP numbers with nustcdn.online.
Name Servers
Delegation for nustcdn.online rests with two name servers, duke.ns.cloudflare.com and summer.ns.cloudflare.com.
nustcdn.online shares the same name server setup as other domains, including cheatcenter.net, penc.org, shawndo.net, viralnews24.info and 2208888.ru.
nustcdn.online at least partially shares name servers with other domains, for instance csswings.com, comicalme.com, gynekologie-skuta-capka.cz, liranquelovaxi.com and etifhl.com.
These name servers are commonly used with eoin.ns.cloudflare.com and seamus.ns.cloudflare.com.
Host names with six IP numbers: duke.ns.cloudflare.com points to: 2606:4700:58::adf5:3b6e, 2803:f800:50::6ca2:c16e, 2a06:98c1:50::ac40:216e, 108.162.193.110, 172.64.33.110 and 173.245.59.110. summer.ns.cloudflare.com points to: 2606:4700:50::a29f:2609, 2803:f800:50::6ca2:c209, 2a06:98c1:50::ac40:2209, 108.162.194.9, 162.159.38.9 and 172.64.34.9.