cu - dns.ninja

`cu`

DNSSEC	⚠️ Not signed
NS	`ns2.ceniai.net.cu` ⭐
		A	2001:1340:1:64::88^{🇨🇺 ASCENIAI2001:1340::/32 COLUMBUS NETWORKS TRANSIT CUSTOMERS}
		A	169.158.128.88^{🇨🇺 ASCENIAI169.158.0.0/16 Red CENIAInternet}
			PTR	`ns2.ceniai.net.cu`
NS	`cu.cctld.authdns.ripe.net` ⚠️ Not in parent delegation
		A	2a13:27c0:30::70^{🇳🇱 RIPE-NCC-AUTHDNS-AS2a13:27c0:30::/48 Auth DNS Service Network}
			PTR	`cu.cctld.authdns.ripe.net`
		A	193.0.9.70^{🇳🇱 RIPE-NCC-AUTHDNS-AS193.0.9.0/24 Auth DNS Service Network}
			PTR	`cu.cctld.authdns.ripe.net`
NS	`dns-com.ceniai.inf.cu` ⚠️ Not in parent delegation
		A	169.158.128.69^{🇨🇺 ASCENIAI169.158.0.0/16 Red CENIAInternet}
NS	`ns.canada.cuba.cu` ⚠️ Not in parent delegation
		A	107.161.72.166^{🇨🇦 AS32613107.161.64.0/20 iWeb Technologies Inc.}
NS	`ns.ceniai.net.cu`
		A	2001:1340:1:128::136^{🇨🇺 ASCENIAI2001:1340::/32 COLUMBUS NETWORKS TRANSIT CUSTOMERS}
		A	169.158.128.136^{🇨🇺 ASCENIAI169.158.0.0/16 Red CENIAInternet}
NS	`ns.dns.br` ⚠️ Not in parent delegation
		A	2001:12ff:0:a20::5^{🇧🇷 REGISTROBRNET2001:12ff::/32 Registro.BR Network}
			PTR	`ns.dns.br`
		A	200.160.0.5^{🇧🇷 REGISTROBRNET200.160.0.0/20 Registro.BR Network}
			PTR	`ns.dns.br`
NS	`ns2.gip.net` ⚠️ Not in parent delegation
		A	2a01:ce89:8000:1001:57:67:127:194^{🇫🇷 OBS-Internet2a01:ce89:8000::/36 FR country aggregate}
			PTR	`dns1-par-ipv6.equant.net`
		A	57.67.127.194^{🇫🇷 OBS-Internet57.67.0.0/17 FR aggregate}
			PTR	`ns1.akzonobel.com`
			PTR	`dns1.equant.net`
NS	`rip.psg.com` ⚠️ Not in parent delegation
		A	2001:418:1::39^{🇺🇸 RGNET-SEA2001:418:1::/48 Proxy RO for RGnet Seattle}
			PTR	`rip.psg.com`
			PTR	`b.ns.lb`
		A	147.28.0.39^{🇪🇪 RGNET-SEA147.28.0.0/23 RGnet Westin}
			PTR	`rip.psg.com`
			PTR	`b.ns.lb`
SOA	`ns.ceniai.net.cu`cu-tech@ceniai.inf.cu 2026-07-23 #3

`(root)`

	DNSSEC	⚠️ Not signed
	NS	`a.root-servers.net` ⭐
	NS	`b.root-servers.net`
	NS	`c.root-servers.net`
	NS	`d.root-servers.net`
	NS	`e.root-servers.net`
	NS	`f.root-servers.net`
	NS	`g.root-servers.net`
	NS	`h.root-servers.net`
	NS	`i.root-servers.net`
	NS	`j.root-servers.net`
	NS	`k.root-servers.net`
	NS	`l.root-servers.net`
	NS	`m.root-servers.net`
	SOA	`a.root-servers.net`nstld@verisign-grs.com 2026-07-27 #2

Subdomains

serviquimica.cu

ncnorma.cu

tvyumuri.cu

cubazoo.cu

ecured.cu

inimet.cu

cubanradio.cu

nat.cu

eti.cu

sierramaestra.cu

rent.cu

cubatel.cu

iberia.cu

mincin.cu

radiocubana.cu

granma.cu

gecomex.cu

carpinteriabrians.cu

mpgsa.cu

infomed.cu

ill.cu

quimimpex.cu

cie.cu

tur.cu

oldnavy.cu

rolex.cu

somec.cu

unileversuchel.cu

arnac.cu

cubahora.cu

gaviotatours.cu

innomax.cu

uci.cu

opm.cu

birkenstock.cu

palacio.cu

cji.cu

sime.cu

italiamultitrading.cu

gesei.cu

imporvg.cu

egrafip.cu

icap.cu

ecmmariel.cu

gaviota.cu

aduana.cu

ger.cu

inie.cu

icimaf.cu

klarna.cu

redciencia.cu

solintel.cu

embacuba.cu

nacionyemigracion.cu

smoooth.cu

idict.cu

ikea.cu

acn.cu

sepsa.cu

kawamahotel.cu

fabiodicelmo.cu

cnctvgranma.cu

5septiembre.cu

uic.cu

villaclara.cu

cubasocialista.cu

ahora.cu

acdam.cu

upec.cu

peugeot.cu

aicros.cu

anec.cu

matecmg.cu

esen.cu

rph.cu

correos.cu

publicitur.cu

redcuba.cu

2moons.cu

h-m.cu

entrac.cu

ups.cu

vodafone.cu

cedel.cu

endoprotect1.cu

revistacaliban.cu

mitsa.cu

pionero.cu

clavecubana.cu

thaba.cu

caribex.cu

cidem.cu

uniondeinformaticos.cu

ocpi.cu

casesycases.cu

isuelos.cu

clinicaciragarcia.cu

lacemi.cu

banconacionaldecuba.cu

philips.cu

Same first word

cu.la

cu.am

cu.edu.pk

cu

cu.fm

cu.vc

cu.ac.ae

cu.lu

cu.edu.tr

cu.co.kr

cu.edu.ph

cu.hu

cu.net.au

cu.ws

cu.kiev.ua

cu.ac.mw

cu.coop.py

cu.studio

cu.mi.it

cu.org

cu.support

cu.ac

cu.com.ua

cu.hl.cn

cu.co.th

cu.cx

cu.law

cu.net.tw

cu.by

cu.lt

cu.nl

cu.rs

cu.tc

cu.cz

cu.ru

cu.com.tw

cu.ac.kr

cu.cc.ua

cu.com.py

cu.ma

cu.ie

cu.nu

cu.com.pl

cu.careers

cu.se

cu.edu.kz

cu.edu.la

cu.chat

cu.edu.ge

cu.edu.eg

cu.sk.ca

cu.org.tw

cu.edu

cu.com

cu.zone

cu.uz

cu.si

cu.pl

cu.no

cu.st

cu.net

cu.vg

cu.tn

cu.com.au

cu.to

cu.kz

cu.my

cu.gs

cu.ms

cu.edu.so

cu.edu.ng

cu.be

cu.co

cu.ca

cu.ee

cu.fr

cu.cm

Similar names

uc.su

uc.university

uc.cc

uc.fi

uc.my

uc.biz

uc.ac.kr

uc.ag

uc.si

uc.od.ua

uc.com.tw

uc.express

uc.fyi

uc.eu

uc.net

uc.de

uc.tv.br

uc.ly

uc.be

uc.ac.id

uc.edu.py

uc.edu.mx

uc.pt

uc.life

uc.vc

uc.ac.cr

uc.lv

uc.qld.edu.au

uc.org

uc.zone

uc.edu.ph

uc.kz

uc.or.kr

uc.uk

uc.fm

uc.to

uc.chat

uc.no

uc.org.uy

uc.gen.tr

uc.cz

uc.pl

uc.xyz

uc.hk

uc.edu.au

uc.lc

uc.k12.in.us

uc.com.mx

uc.com.my

uc.edu.co

uc.wtf

uc.sk

uc.gg

uc.net.ua

uc.network

uc.money

uc.ie

uc.com

uc.edu.pe

uc.se

uc.solutions

uc.com.ua

uc.dk

DNS History

8 records (8 active, 0 former)

●NScu.cctld.authdns.ripe.net2015-08-30 → 2026-07-28 · 42 obs

● 2015-08-30 22:25:56
● 2026-02-17 13:40:56
○ 2026-02-17 15:37:10
● 2026-02-17 17:38:06
● 2026-03-11 12:49:02
○ 2026-03-11 13:33:36
● 2026-03-11 15:23:00
● 2026-03-13 03:44:40
○ 2026-03-13 04:48:32
○ 2026-03-13 09:29:36
● 2026-03-13 10:35:30
○ 2026-03-13 12:02:54
● 2026-03-13 13:52:48
● 2026-03-23 11:06:20
○ 2026-03-23 12:26:36
● 2026-03-23 14:44:32
● 2026-04-15 13:54:42
○ 2026-04-15 14:29:38
● 2026-04-15 15:19:04
● 2026-06-15 16:52:12
○ 2026-06-15 18:07:10
● 2026-06-15 19:30:42
● 2026-06-18 05:25:38
○ 2026-06-18 07:06:34
● 2026-06-18 09:01:28
○ 2026-07-01 14:47:58
● 2026-07-01 15:40:10
○ 2026-07-09 17:05:00
● 2026-07-09 18:00:16
○ 2026-07-12 23:14:30
● 2026-07-13 00:08:08
○ 2026-07-15 08:08:38
● 2026-07-15 08:39:28
○ 2026-07-17 14:30:52
● 2026-07-17 16:10:56
○ 2026-07-20 15:02:38
● 2026-07-20 15:53:46
○ 2026-07-20 20:39:08
● 2026-07-20 22:45:28
○ 2026-07-27 20:05:50
● 2026-07-27 20:54:46
● 2026-07-28 05:56:12

●NSdns-com.ceniai.inf.cu2026-04-21 → 2026-07-28 · 63 obs

○ 2026-04-15 15:19:04
● 2026-04-21 21:23:54
● 2026-05-06 03:15:02
○ 2026-05-06 04:05:52
● 2026-05-06 04:53:16
● 2026-06-10 07:42:50
○ 2026-06-10 14:22:30
● 2026-06-10 14:52:38
● 2026-06-15 02:21:10
○ 2026-06-15 02:57:48
● 2026-06-15 03:30:16
● 2026-06-15 16:52:12
○ 2026-06-15 18:07:10
● 2026-06-15 19:30:42
● 2026-06-17 00:11:30
○ 2026-06-17 01:52:56
● 2026-06-17 03:18:40
● 2026-06-18 05:25:38
○ 2026-06-18 07:06:34
● 2026-06-18 09:01:28
○ 2026-06-19 07:12:36
● 2026-06-19 07:43:10
○ 2026-06-23 03:46:40
● 2026-06-23 04:43:16
○ 2026-06-25 04:12:00
● 2026-06-25 05:03:08
○ 2026-06-25 22:49:36
● 2026-06-26 00:14:48
○ 2026-06-28 12:42:42
● 2026-06-28 13:37:16
○ 2026-07-01 14:47:58
● 2026-07-01 15:40:10
○ 2026-07-08 06:54:38
● 2026-07-08 07:39:26
○ 2026-07-09 17:05:00
● 2026-07-09 18:00:16
○ 2026-07-11 21:37:58
● 2026-07-11 22:45:22
○ 2026-07-12 23:14:30
● 2026-07-13 00:08:08
○ 2026-07-15 08:08:38
● 2026-07-15 08:39:28
○ 2026-07-15 16:01:16
● 2026-07-15 16:42:10
○ 2026-07-17 14:30:52
● 2026-07-17 16:10:56
○ 2026-07-18 02:22:04
● 2026-07-18 03:06:00
○ 2026-07-19 15:24:16
● 2026-07-19 16:27:40
○ 2026-07-20 15:02:38
● 2026-07-20 15:53:46
○ 2026-07-20 20:39:08
● 2026-07-20 22:45:28
○ 2026-07-23 13:20:04
● 2026-07-23 16:30:22
○ 2026-07-24 02:24:06
● 2026-07-24 03:16:52
○ 2026-07-27 00:30:00
● 2026-07-27 01:03:04
○ 2026-07-27 19:20:46
● 2026-07-27 20:54:46
● 2026-07-28 05:56:12

●NSns.canada.cuba.cu2026-03-17 → 2026-07-28 · 72 obs

○ 2026-03-13 13:52:48
● 2026-03-17 16:38:02
● 2026-03-23 11:06:20
○ 2026-03-23 12:26:36
● 2026-03-23 14:44:32
● 2026-04-08 22:55:36
○ 2026-04-09 00:18:28
● 2026-04-09 00:52:44
● 2026-04-15 13:54:42
○ 2026-04-15 14:29:38
● 2026-04-15 15:19:04
● 2026-05-06 03:15:02
○ 2026-05-06 04:05:52
● 2026-05-06 04:53:16
● 2026-06-10 07:42:50
○ 2026-06-10 14:22:30
● 2026-06-10 14:52:38
● 2026-06-15 02:21:10
○ 2026-06-15 02:57:48
● 2026-06-15 03:30:16
● 2026-06-15 16:52:12
○ 2026-06-15 18:07:10
● 2026-06-15 19:30:42
● 2026-06-17 00:11:30
○ 2026-06-17 01:52:56
● 2026-06-17 03:18:40
● 2026-06-18 05:25:38
○ 2026-06-18 07:06:34
● 2026-06-18 09:01:28
○ 2026-06-19 07:12:36
● 2026-06-19 07:43:10
○ 2026-06-23 03:46:40
● 2026-06-23 04:43:16
○ 2026-06-25 04:12:00
● 2026-06-25 05:03:08
○ 2026-06-25 22:49:36
● 2026-06-26 00:14:48
○ 2026-06-28 12:42:42
● 2026-06-28 13:37:16
○ 2026-07-01 14:47:58
● 2026-07-01 15:40:10
○ 2026-07-08 06:54:38
● 2026-07-08 07:39:26
○ 2026-07-09 17:05:00
● 2026-07-09 18:00:16
○ 2026-07-11 21:37:58
● 2026-07-11 22:45:22
○ 2026-07-12 23:14:30
● 2026-07-13 00:08:08
○ 2026-07-15 08:08:38
● 2026-07-15 08:39:28
○ 2026-07-15 16:01:16
● 2026-07-15 16:42:10
○ 2026-07-17 14:30:52
● 2026-07-17 16:10:56
○ 2026-07-18 02:22:04
● 2026-07-18 03:06:00
○ 2026-07-19 15:24:16
● 2026-07-19 16:27:40
○ 2026-07-20 15:02:38
● 2026-07-20 15:53:46
○ 2026-07-20 20:39:08
● 2026-07-20 22:45:28
○ 2026-07-23 13:20:04
● 2026-07-23 16:30:22
○ 2026-07-24 02:24:06
● 2026-07-24 03:16:52
○ 2026-07-27 00:30:00
● 2026-07-27 01:03:04
○ 2026-07-27 19:20:46
● 2026-07-27 20:54:46
● 2026-07-28 05:56:12

●NSns.ceniai.net.cu2015-08-30 → 2026-07-28 · 2 obs

● 2015-08-30 22:25:56
● 2026-07-28 05:56:12

●NSns.dns.br2015-08-30 → 2026-07-28 · 42 obs

●NSns2.ceniai.net.cu2015-08-30 → 2026-07-28 · 2 obs

● 2015-08-30 22:25:56
● 2026-07-28 05:56:12

●NSns2.gip.net2015-08-30 → 2026-07-28 · 42 obs

●NSrip.psg.com2015-08-30 → 2026-07-28 · 42 obs

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cu	ns.dns.br, rip.psg.com, ns2.gip.net, cu.cctld.authdns.ripe.net...	10 records

✅ Authoritative Response

Server:169.158.128.136

NS records: ns.dns.br, rip.psg.com, ns2.gip.net, cu.cctld.authdns.ripe.net, ns.ceniai.net.cu, ns2.ceniai.net.cu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu (unsigned zone)

⏱️ Timing

Total: 294ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	8	`ns2.gip.net, ns.ceniai.net.cu...`
SOA	1	`ns.ceniai.net.cu cu-tech.ceniai.inf.cu`

📌 Glue Records Collected

Total: 10

In-bailiwick: 3 (ns.ceniai.net.cu, ns.ceniai.net.cu, ns2.ceniai.net.cu)

Out-of-bailiwick: 7 (ns.dns.br, ns.dns.br, rip.psg.com...)

Analysis

Hierarchy

cu is the parent domain for serviquimica.cu, ncnorma.cu, tvyumuri.cu, cubazoo.cu, ecured.cu and several hundred additional host names.

Name Servers

The DNS delegation for cu covers 8 name servers: ns.dns.br, rip.psg.com, ns2.gip.net and 5 more.

At least some of cu's name servers are shared with other domains, for example 28.27.196.in-addr.arpa, waterloo.ia.us, gt and two more.

These name servers tend to co-occur with ns.ceniai.net.cu, ns2.ceniai.net.cu, ns3.gip.net and 7 other name servers in the same DNS delegations.

Host names pointing to two IP addresses:

ns.dns.br maps to two IP addresses — 200.160.0.5 and 2001:12ff:0:a20::5.

rip.psg.com maps to two IP addresses — 147.28.0.39 and 2001:418:1::39.

ns2.gip.net maps to two IP addresses — 57.67.127.194 and 2a01:ce89:8000:1001:57:67:127:194.

ns2.ceniai.net.cu maps to two IP addresses — 169.158.128.88 and 2001:1340:1:64::88.

ns.ceniai.net.cu maps to two IP addresses — 169.158.128.136 and 2001:1340:1:128::136.

cu.cctld.authdns.ripe.net maps to two IP addresses — 193.0.9.70 and 2a13:27c0:30::70.

Host names resolving to a single IP address:

ns.canada.cuba.cu points to the IP address 107.161.72.166.

dns-com.ceniai.inf.cu points to the IP address 169.158.128.69.