ncnu-com.com - dns.ninja

ncnu-com.com

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:bd9a🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3035::6815:59a0🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.89.160Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.189.154🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSalfred.ns.cloudflare.com ⭐
A2606:4700:58::a29f:2c83🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalfred.ns.cloudflare.com
A2803:f800:50::6ca2:c383🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRalfred.ns.cloudflare.com
A2a06:98c1:50::ac40:2383🇺🇸 Cloudflare2a06:98c1:50::/45
PTRalfred.ns.cloudflare.com
A108.162.195.131🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalfred.ns.cloudflare.com
A162.159.44.131Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalfred.ns.cloudflare.com
A172.64.35.131🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRalfred.ns.cloudflare.com
NSzita.ns.cloudflare.com
A2606:4700:50::adf5:3af3🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzita.ns.cloudflare.com
A2803:f800:50::6ca2:c0f3🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRzita.ns.cloudflare.com
A2a06:98c1:50::ac40:20f3🇺🇸 Cloudflare2a06:98c1:50::/45
PTRzita.ns.cloudflare.com
A108.162.192.243🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzita.ns.cloudflare.com
A172.64.32.243🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzita.ns.cloudflare.com
A173.245.58.243🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRzita.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.89.160, 172.67.189.154
IPv6 hints2606:4700:3033::ac43:bd9a, 2606:4700:3035::6815:59a0
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=110, name=cloudflare-ech.com
SOAalfred.ns.cloudflare.comdns@cloudflare.com serial=2410616026

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1786181664

Previously MX for

ncnu-com.com

Same first word

ncnu-com.com

DNS History

13 records (6 active, 7 former)

2017201820192020202120222023202420252026NSalfred.ns.cloudflare.comzita.ns.cloudflare.comns129.potia.netns130.potia.netns27.potia.netns28.potia.netMXncnu-com.comA104.21.89.160172.67.189.1542606:4700:3033::ac43:bd9a2606:4700:3035::6815:59a096.44.156.2898.143.155.20
●NSalfred.ns.cloudflare.com2026-07-28 → 2026-08-08 · 3 obs
○ 2017-08-30 07:48:48
● 2026-07-28 14:02:54
● 2026-08-08 09:59:02
○NSns129.potia.net2016-06-10 → 2017-06-09 · 4 obs
● 2016-06-10 22:11:42
● 2017-06-09 17:59:36
○ 2017-08-30 07:48:48
○ 2026-08-08 09:59:02
○NSns130.potia.net2016-06-10 → 2017-06-09 · 4 obs
● 2016-06-10 22:11:42
● 2017-06-09 17:59:36
○ 2017-08-30 07:48:48
○ 2026-08-08 09:59:02
○NSns27.potia.net2017-08-30 → 2017-08-30 · 4 obs
○ 2017-06-09 17:59:36
● 2017-08-30 07:48:48
○ 2026-07-28 14:02:54
○ 2026-08-08 09:59:02
○NSns28.potia.net2017-08-30 → 2017-08-30 · 4 obs
○ 2017-06-09 17:59:36
● 2017-08-30 07:48:48
○ 2026-07-28 14:02:54
○ 2026-08-08 09:59:02
●NSzita.ns.cloudflare.com2026-07-28 → 2026-08-08 · 3 obs
○ 2017-08-30 07:48:48
● 2026-07-28 14:02:54
● 2026-08-08 09:59:02
○MXncnu-com.com2016-06-10 → 2017-08-30 · 4 obs
● 2016-06-10 22:11:42
● 2017-08-30 07:48:48
○ 2026-07-28 14:02:54
○ 2026-08-08 09:59:02
●A104.21.89.1602026-07-28 → 2026-08-08 · 3 obs
○ 2017-08-30 07:48:48
● 2026-07-28 14:02:54
● 2026-08-08 09:59:02
●A172.67.189.1542026-07-28 → 2026-08-08 · 3 obs
○ 2017-08-30 07:48:48
● 2026-07-28 14:02:54
● 2026-08-08 09:59:02
●A2606:4700:3033::ac43:bd9a2026-07-28 → 2026-08-08 · 3 obs
○ 2017-08-30 07:48:48
● 2026-07-28 14:02:54
● 2026-08-08 09:59:02
●A2606:4700:3035::6815:59a02026-07-28 → 2026-08-08 · 3 obs
○ 2017-08-30 07:48:48
● 2026-07-28 14:02:54
● 2026-08-08 09:59:02
○A96.44.156.282017-08-30 → 2017-08-30 · 4 obs
○ 2017-06-09 17:59:36
● 2017-08-30 07:48:48
○ 2026-07-28 14:02:54
○ 2026-08-08 09:59:02
○A98.143.155.202016-06-10 → 2017-06-09 · 4 obs
● 2016-06-10 22:11:42
● 2017-06-09 17:59:36
○ 2017-08-30 07:48:48
○ 2026-08-08 09:59:02

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
ncnu-com.comzita.ns.cloudflare.com, alfred.ns.cloudflare.com12 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: 144ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.89.160, 172.67.189.154
AAAA22606:4700:3033::ac43:bd9a, 2606:4700:3035::6815:59a0
NS2alfred.ns.cloudflare.com, zita.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1alfred.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 has four IP addresses: 104.21.89.160, 172.67.189.154, 2606:4700:3033::ac43:bd9a and 2606:4700:3035::6815:59a0.

completeinsure.co.uk, cottontailor.com, metroshop.vn and two other host names share IP numbers with ncnu-com.com.

Name Servers

ncnu-com.com uses two name servers for its delegation: alfred.ns.cloudflare.com and zita.ns.cloudflare.com.

ncnu-com.com uses the same name servers as several other domains — among them chickenonroadcz.site, szytjs4.buzz, wikilucht.nl and two more.

ncnu-com.com has at least partial name server overlap with other domains, such as fretecom.com, redkimry.ru, reldanmetals.com and two others.

It is common to find these name servers alongside the name servers ainsley.ns.cloudflare.com, dawn.ns.cloudflare.com, maleah.ns.cloudflare.com and two others.

Hostnames that resolve to 6 IP addresses:

Hostname alfred.ns.cloudflare.com directs to 108.162.195.131, 162.159.44.131 and 172.64.35.131 along with 3 other IP addresses.

Hostname zita.ns.cloudflare.com directs to 108.162.192.243, 172.64.32.243 and 173.245.58.243 along with 3 other IP addresses.