ncnu-com.com - robtex.com
ncnu-com.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3033::ac43:bd9a🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3035::6815:59a0🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.89.160Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.189.154🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | alfred.ns.cloudflare.com ⭐ | ||||||
| A | 2606:4700:58::a29f:2c83🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c383🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:2383🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 108.162.195.131🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 162.159.44.131Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| A | 172.64.35.131🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | alfred.ns.cloudflare.com | ||||||
| NS | zita.ns.cloudflare.com | ||||||
| A | 2606:4700:50::adf5:3af3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 2803:f800:50::6ca2:c0f3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 2a06:98c1:50::ac40:20f3🇺🇸 Cloudflare2a06:98c1:50::/45 | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 108.162.192.243🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 172.64.32.243🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| A | 173.245.58.243🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US | ||||||
| PTR | zita.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.89.160, 172.67.189.154 | ||||||
| IPv6 hints | 2606:4700:3033::ac43:bd9a, 2606:4700:3035::6815:59a0 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=95, name=cloudflare-ech.com | ||||||
| SOA | alfred.ns.cloudflare.comdns@cloudflare.com serial=2410616026 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785702062 | ||||||
Previously MX for
ncnu-com.com |
Same first word
ncnu-com.com |
DNS History
13 records (6 active, 7 former)
●NSalfred.ns.cloudflare.com2026-07-28 → 2026-08-02 · 3 obs
● 2026-07-28 14:02:54
● 2026-08-02 20:40:28
○NSns129.potia.net2016-06-10 → 2017-06-09 · 4 obs
● 2017-06-09 17:59:36
○ 2017-08-30 07:48:48
○ 2026-08-02 20:40:28
○NSns130.potia.net2016-06-10 → 2017-06-09 · 4 obs
● 2017-06-09 17:59:36
○ 2017-08-30 07:48:48
○ 2026-08-02 20:40:28
○NSns27.potia.net2017-08-30 → 2017-08-30 · 4 obs
● 2017-08-30 07:48:48
○ 2026-07-28 14:02:54
○ 2026-08-02 20:40:28
○NSns28.potia.net2017-08-30 → 2017-08-30 · 4 obs
● 2017-08-30 07:48:48
○ 2026-07-28 14:02:54
○ 2026-08-02 20:40:28
●NSzita.ns.cloudflare.com2026-07-28 → 2026-08-02 · 3 obs
● 2026-07-28 14:02:54
● 2026-08-02 20:40:28
○MXncnu-com.com2016-06-10 → 2017-08-30 · 4 obs
● 2017-08-30 07:48:48
○ 2026-07-28 14:02:54
○ 2026-08-02 20:40:28
●A104.21.89.1602026-07-28 → 2026-08-02 · 3 obs
● 2026-07-28 14:02:54
● 2026-08-02 20:40:28
●A172.67.189.1542026-07-28 → 2026-08-02 · 3 obs
● 2026-07-28 14:02:54
● 2026-08-02 20:40:28
●A2606:4700:3033::ac43:bd9a2026-07-28 → 2026-08-02 · 3 obs
● 2026-07-28 14:02:54
● 2026-08-02 20:40:28
●A2606:4700:3035::6815:59a02026-07-28 → 2026-08-02 · 3 obs
● 2026-07-28 14:02:54
● 2026-08-02 20:40:28
○A96.44.156.282017-08-30 → 2017-08-30 · 4 obs
● 2017-08-30 07:48:48
○ 2026-07-28 14:02:54
○ 2026-08-02 20:40:28
○A98.143.155.202016-06-10 → 2017-06-09 · 4 obs
● 2017-06-09 17:59:36
○ 2017-08-30 07:48:48
○ 2026-08-02 20:40:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ncnu-com.com | zita.ns.cloudflare.com, alfred.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.192.243
NS records: zita.ns.cloudflare.com, alfred.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ncnu-com.com (unsigned zone)
⏱️ Timing
Total: 126ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.189.154, 104.21.89.160 |
| AAAA | 2 | 2606:4700:3033::ac43:bd9a, 2606:4700:3035::6815:59a0 |
| NS | 2 | alfred.ns.cloudflare.com, zita.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | alfred.ns.cloudflare.com dns.cloudflare. |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (zita.ns.cloudflare.com, zita.ns.cloudflare.com, zita.ns.cloudflare.com...)
Analysis
IP Addresses
ncnu-com.com resolves to four IP addresses: 104.21.89.160, 172.67.189.154, 2606:4700:3033::ac43:bd9a and 2606:4700:3035::6815:59a0.
Additional host names — completeinsure.co.uk, cottontailor.com, metroshop.vn and two others — share IP numbers with ncnu-com.com.
Name Servers
Two name servers handle the delegation for ncnu-com.com: alfred.ns.cloudflare.com and zita.ns.cloudflare.com.
ncnu-com.com shares its name server setup with other domains, including chickenonroadcz.site, wikilucht.nl, ribashkimi.com and two others.
ncnu-com.com partially shares its NS delegation with several other domains, including qndc.com.cn, fretecom.com, redkimry.ru and two others.
These name servers are frequently paired with the name servers ainsley.ns.cloudflare.com, dawn.ns.cloudflare.com, maleah.ns.cloudflare.com and two others.
Host names with 6 IP numbers:
alfred.ns.cloudflare.com resolves to 108.162.195.131, 162.159.44.131 and 172.64.35.131 among others, with 3 other IP addresses in total.
zita.ns.cloudflare.com resolves to 108.162.192.243, 172.64.32.243 and 173.245.58.243 among others, with 3 other IP addresses in total.