ohc.cu - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

ohc.cu

DNSSEC⚠️ Not signed
NSns3.ohc.cu ⭐ ⚠️ Not in parent delegation
A200.55.179.21🇨🇺 INFOCOM200.55.176.0/20
NSns.ceniai.net.cu ⚠️ Not in parent delegation
A2001:1340:1:128::136🇨🇺 ASCENIAI2001:1340::/32 COLUMBUS NETWORKS TRANSIT CUSTOMERS
PTRns.ceniai.net.cu
A169.158.128.136🇨🇺 ASCENIAI169.158.0.0/16 Red CENIAInternet
PTRns.ceniai.net.cu
NSns2.ceniai.net.cu ⚠️ Not in parent delegation
A2001:1340:1:64::88🇨🇺 ASCENIAI2001:1340::/32 COLUMBUS NETWORKS TRANSIT CUSTOMERS
A169.158.128.88🇨🇺 ASCENIAI169.158.0.0/16 Red CENIAInternet
PTRns2.ceniai.net.cu
MXrelay-in.ohc.cu ⭐
A200.55.179.24🇨🇺 INFOCOM200.55.176.0/20
MXrelay-out.ohc.cu(20)
A200.55.138.44🇨🇺 INFOCOM200.55.136.0/21
MXretry.ohc.cu(30)
A200.55.179.23🇨🇺 INFOCOM200.55.176.0/20
TXTContacto: +53-(7)8011801
TXTE-Mail: postmaster@dic.ohc.cu
TXTOficina Historiador de la Ciudad
TXTv=spf1 ip4:200.55.179.24 ip4:200.55.138.44 ip4:200.55.179.23 mx ~all
SOAns3.ohc.cupostmaster@ohc.cu 2026-07-30 #7

cu

DNSSEC⚠️ Not signed
NSns2.ceniai.net.cu ⭐
NScu.cctld.authdns.ripe.net
NSdns-com.ceniai.inf.cu ⚠️ Not in parent delegation
NSns.canada.cuba.cu ⚠️ Not in parent delegation
NSns.ceniai.net.cu
NSns.dns.br
NSns2.gip.net
NSrip.psg.com
SOAns.ceniai.net.cucu-tech@ceniai.inf.cu 2026-08-13 #6
rank #424515 globally
rank #48 in the tld
📈 Tranco rank: #582,011

Subdomains

relay-in.ohc.cu
habradio.ohc.cu
vip.ohc.cu
patrimonio.ohc.cu
relay-out.ohc.cu
upi.ohc.cu
cabildo.ohc.cu
coopera.ohc.cu
proyectos.ohc.cu
ns3.ohc.cu
www.ohc.cu
dic.ohc.cu
malecon.ohc.cu
correo.ohc.cu
bpvillena.ohc.cu
retry.ohc.cu
sangeronimo.ohc.cu
direco.ohc.cu
planmaestro.ohc.cu

Same first word

ohc.com.my
ohc.jp
ohc.biz
ohc.ae
ohc.uk
ohc.me
ohc.church
ohc.de
ohc.ca
ohc.net
ohc.cu
ohc.cc
ohc.ro
ohc.info
ohc.co.nz
ohc.at
ohc.us
ohc.ir
ohc.nl
ohc.pl
ohc.it
ohc.tw
ohc.co.jp
ohc.com
ohc.ch
ohc.kz
ohc.camp
ohc.co.uk
ohc.cz
ohc.org
ohc.hu
ohc.cl
ohc.es
ohc.com.br
ohc.sakura.ne.jp
ohc.co
ohc.be

Similar names

och.it
hco.co.in
och.no
hco.de
hoc.com.au
cho.media
cho.email
hco.net
cho.st
cho.co.za
hco.co.jp
och.cz
hoc.cn
hco.lu
coh.org.sg
coh.im
hoc.ru
cho.su
cho.me
cho.co.il
och.lt
hoc.cc
hoc.biz
hoc.no
hoc.dk
och.net
hco.surf
hoc.com.hk
coh.es
hoc.at
coh.co.zw
och.co.nz
hco.biz
och.co.za
hoc.vn
hoc.tv
hoc.com.mx
coh.com.sg
cho.biz
och.be
och.co.uk
hoc.pl
coh.org
cho.co
hco.org
cho.ca
och.center
och.ru
hoc.co
cho.or.kr
och.mobi
coh.at
och.co
cho.no
coh.ph
och.com
hoc.ch
hoc.hk
hco.ma
hco.ca
hco.es
och.co.jp
hco.cz
cho.cn
cho.at
cho.ro
hco.digital
coh.it
hoc.bz
cho.pe
hoc.de
cho.fi
coh.mobi
cho.au
cho.be
och.ch
cho.si
coh.com.tr
hoc.am
hco.cc
hoc.it
cho.se
coh.hu
och.ro
hoc.org
coh.com.br
hco.no

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NSns.ceniai.net.cuns2.ceniai.net.cuns3.ohc.cuMXrelay-in.ohc.curelay-out.ohc.curetry.ohc.curelayrmail.ohc.cuA200.55.179.22
●NSns.ceniai.net.cu2015-09-03 → 2026-08-17 · 2 obs
● 2015-09-03 17:09:02
● 2026-08-17 12:30:24
●NSns2.ceniai.net.cu2015-09-03 → 2026-08-17 · 2 obs
● 2015-09-03 17:09:02
● 2026-08-17 12:30:24
●NSns3.ohc.cu2015-09-03 → 2026-08-17 · 2 obs
● 2015-09-03 17:09:02
● 2026-08-17 12:30:24
●MXrelay-in.ohc.cu2015-09-03 → 2026-08-17 · 2 obs
● 2015-09-03 17:09:02
● 2026-08-17 12:30:24
●MXrelay-out.ohc.cu2015-09-03 → 2026-08-17 · 2 obs
● 2015-09-03 17:09:02
● 2026-08-17 12:30:24
○MXrelayrmail.ohc.cu2015-09-03 → 2015-12-04 · 4 obs
● 2015-09-03 17:09:02
● 2015-12-04 12:43:06
○ 2015-12-18 18:26:08
○ 2026-08-17 12:30:24
●MXretry.ohc.cu2019-04-02 → 2026-08-17 · 3 obs
○ 2015-12-18 18:26:08
● 2019-04-02 15:56:12
● 2026-08-17 12:30:24
○A200.55.179.222015-09-03 → 2017-12-11 · 4 obs
● 2015-09-03 17:09:02
● 2017-12-11 16:50:54
○ 2019-04-02 15:56:12
○ 2026-08-17 12:30:24

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cucu.cctld.authdns.ripe.net, ns.dns.br, ns.ceniai.net.cu, ns2.gip.net...10 records

✅ Authoritative Response

Server:169.158.128.136

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu (unsigned zone)

⏱️ Timing

Total: 355ms | Queries: -

📄 Records

TypeCountSample Data
NS3ns2.ceniai.net.cu, ns.ceniai.net.cu...
MX3retry.ohc.cu (pri: 30), relay-in.ohc.cu (pri: 10)...
TXT4v=spf1 ip4:200.55.179.24 ip4:200.55.138., Oficina Historiador de la Ciudad...
SOA1ns3.ohc.cu postmaster.ohc.cu

📌 Glue Records Collected

Total: 10

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

Out-of-bailiwick: 7 (cu.cctld.authdns.ripe.net, ns.dns.br, ns2.gip.net...)

Analysis

Hierarchy

ohc.cu serves as parent to relay-in.ohc.cu, habradio.ohc.cu, vip.ohc.cu, patrimonio.ohc.cu, relay-out.ohc.cu along with a few other host names.

Name Servers

ohc.cu is delegated to three name servers: ns3.ohc.cu, ns2.ceniai.net.cu and ns.ceniai.net.cu.

ohc.cu has at least partial name server overlap with other domains, such as bazar-regalo.com, comandanteenjefe.org, 53.14.200.in-addr.arpa and two others.

ns.citmatel.com.cu, ns.canada.cuba.cu and dns1.reduniv.edu.cu — plus 3 other name servers — are commonly paired with these name servers.

Host names that have two IP addresses:

ns2.ceniai.net.cu points to 169.158.128.88 and 2001:1340:1:64::88.

ns.ceniai.net.cu points to 169.158.128.136 and 2001:1340:1:128::136.

Host names that point to one IP address:

ns3.ohc.cu points to 200.55.179.21.

Mail Servers

ohc.cu has three mail servers: relay-in.ohc.cu, relay-out.ohc.cu and retry.ohc.cu.

There is at least a partial MX overlap between ohc.cu and other domains, including dic.ohc.cu, fenix.upi.ohc.cu, viajessancristobal.cu and two others.

relay-in.ohc.cu, relay-out.ohc.cu and retry.ohc.cu each resolve to a single IP address: relay-in.ohc.cu resolves to 200.55.179.24, relay-out.ohc.cu resolves to 200.55.138.44 and retry.ohc.cu resolves to 200.55.179.23.