naucb.cn - robtex.com

naucb.cn

DNSSEC⚠️ Not signed
A2606:4700:3033::ac43:d666🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3034::6815:5620🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.86.32Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.214.102🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjerome.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bb5🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerome.ns.cloudflare.com
A2803:f800:50::6ca2:c1b5🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRjerome.ns.cloudflare.com
A2a06:98c1:50::ac40:21b5🇺🇸 Cloudflare2a06:98c1:50::/45
PTRjerome.ns.cloudflare.com
A108.162.193.181🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerome.ns.cloudflare.com
A172.64.33.181🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerome.ns.cloudflare.com
A173.245.59.181🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRjerome.ns.cloudflare.com
NSkara.ns.cloudflare.com
A2606:4700:50::adf5:3a7b🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkara.ns.cloudflare.com
A2803:f800:50::6ca2:c07b🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRkara.ns.cloudflare.com
A2a06:98c1:50::ac40:207b🇺🇸 Cloudflare2a06:98c1:50::/45
PTRkara.ns.cloudflare.com
A108.162.192.123🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkara.ns.cloudflare.com
A172.64.32.123🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkara.ns.cloudflare.com
A173.245.58.123🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRkara.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.86.32, 172.67.214.102
IPv6 hints2606:4700:3033::ac43:d666, 2606:4700:3034::6815:5620
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=28, name=cloudflare-ech.com
SOAjerome.ns.cloudflare.comdns@cloudflare.com serial=2400835056

cn

DNSSEC🔒 Signed (DS record present)
NSa.dns.cn ⭐
NSb.dns.cn
NSc.dns.cn
NSd.dns.cn
NSe.dns.cn
NSns.cernet.net ⚠️ Not in parent delegation
SOAa.dns.cnroot@cnnic.cn serial=2034666172

Same first word

naucb.cn

Similar names

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ncuba.net
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ubcan.com
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banuc.de
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bunca.com
nbcua.com
bunca.jp
cabun.org
bcuan.com
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nubac.com
bucan.com
nbacu.org
bucan.org
bucan.si
bunac.com
bacun.com.cn
bucan.ch
bacun.at
ucanb.net
bucan.de
bunca.de
bunac.london
bunac.ru
ucanb.org
cuban.co
banuc.com
cuban.academy
ubanc.com
cuban.tv
bucan.com.au
cunab.com
cabnu.com
cbuna.org
cuban.ch
cuban.com.au
cunba.de
cuban.ca
nucba.com
bucan.eu
bucan.dk
bancu.com
bancu.net
cuban.net
bunac.org.uk
nucba.ac.jp
uncab.se
bunac.net
cuban.us
nuabc.com
bacun.com
cuban.de
bucan.es
bucan.info
cuban.life
bunac.org
cuban.it
cuban.engineer
cunba.com

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSjerome.ns.cloudflare.comkara.ns.cloudflare.comns1.51dns.comns2.51dns.comA104.21.86.32172.67.214.1022606:4700:3033::ac43:d6662606:4700:3034::6815:5620162.220.27.24638.68.17.105
●NSjerome.ns.cloudflare.com2026-04-10 → 2026-04-13 · 3 obs
○ 2016-06-03 11:09:04
● 2026-04-10 13:40:42
● 2026-04-13 12:23:50
●NSkara.ns.cloudflare.com2026-04-10 → 2026-04-13 · 3 obs
○ 2016-06-03 11:09:04
● 2026-04-10 13:40:42
● 2026-04-13 12:23:50
○NSns1.51dns.com2015-08-20 → 2016-05-01 · 4 obs
● 2015-08-20 18:17:10
● 2016-05-01 22:36:50
○ 2016-06-03 11:09:04
○ 2026-04-13 12:23:50
○NSns2.51dns.com2015-08-20 → 2015-12-19 · 4 obs
● 2015-08-20 18:17:10
● 2015-12-19 01:45:14
○ 2016-06-03 11:09:04
○ 2026-04-13 12:23:50
●A104.21.86.322026-04-10 → 2026-04-13 · 3 obs
○ 2016-06-03 11:09:04
● 2026-04-10 13:40:42
● 2026-04-13 12:23:50
○A162.220.27.2462015-12-19 → 2016-05-01 · 5 obs
○ 2015-08-20 18:17:10
● 2015-12-19 01:45:14
● 2016-05-01 22:36:50
○ 2016-06-03 11:09:04
○ 2026-04-13 12:23:50
●A172.67.214.1022026-04-10 → 2026-04-13 · 3 obs
○ 2016-06-03 11:09:04
● 2026-04-10 13:40:42
● 2026-04-13 12:23:50
●A2606:4700:3033::ac43:d6662026-04-10 → 2026-04-13 · 3 obs
○ 2016-06-03 11:09:04
● 2026-04-10 13:40:42
● 2026-04-13 12:23:50
●A2606:4700:3034::6815:56202026-04-10 → 2026-04-13 · 3 obs
○ 2016-06-03 11:09:04
● 2026-04-10 13:40:42
● 2026-04-13 12:23:50
○A38.68.17.1052015-08-20 → 2015-08-20 · 3 obs
● 2015-08-20 18:17:10
○ 2015-12-19 01:45:14
○ 2026-04-13 12:23:50

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cna.dns.cn, b.dns.cn, c.dns.cn, d.dns.cn...-
naucb.cnkara.ns.cloudflare.com, jerome.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.32.123

NS records: kara.ns.cloudflare.com, jerome.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for naucb.cn (unsigned zone)

⏱️ Timing

Total: 604ms | Queries: -

📄 Records

TypeCountSample Data
A2172.67.214.102, 104.21.86.32
AAAA22606:4700:3033::ac43:d666, 2606:4700:3034::6815:5620
NS2jerome.ns.cloudflare.com, kara.ns.cloudflare.com
HTTPS1{"priority":1,"target":".","alpn":["h3",
SOA1jerome.ns.cloudflare.com dns.cloudflare.

Analysis

IP Addresses

Four IP numbers are pointed to by naucb.cn: 2606:4700:3033::ac43:d666, 2606:4700:3034::6815:5620, 104.21.86.32 and 172.67.214.102.

other host names including homesecuritygeeks.net, morpheustrading.com, j88w.org, bslgpb.com and www.howwtmrkhjzfb.website share IP numbers with naucb.cn.

Name Servers

naucb.cn is delegated to two name servers jerome.ns.cloudflare.com and kara.ns.cloudflare.com.

naucb.cn shares the same name server setup as other domains, for instance gurusains.com, couponcodegroup.com, aviatorgame.kz, writecraft.io and libtxt.ru.

naucb.cn at least partially shares name servers with other domains, for instance jymtjx.com, maxx-design.co.uk, hamidmosalla.com, ikys.org and 337sp.com.

These name servers are commonly used alongside michelle.ns.cloudflare.com and peyton.ns.cloudflare.com.

Host names with six IP numbers:

Host name jerome.ns.cloudflare.com points to: 2606:4700:58::adf5:3bb5, 2803:f800:50::6ca2:c1b5, 2a06:98c1:50::ac40:21b5, 108.162.193.181, 172.64.33.181 and 173.245.59.181.

Host name kara.ns.cloudflare.com points to: 2606:4700:50::adf5:3a7b, 2803:f800:50::6ca2:c07b, 2a06:98c1:50::ac40:207b, 108.162.192.123, 172.64.32.123 and 173.245.58.123.