sld.cu - dns.ninja

`sld.cu`

DNSSEC	⚠️ Not signed
NS	`ns1.sld.cu` ⭐
		A	201.220.222.131^{🇨🇺 INFOCOM201.220.192.0/19}
NS	`ns0.sld.cu`
		A	201.220.221.4^{🇨🇺 INFOCOM201.220.192.0/19}
NS	`ns2.sld.cu`
		A	201.220.222.132^{🇨🇺 INFOCOM201.220.192.0/19}
			PTR	`mx2.sld.cu`
NS	`ns3.sld.cu`
		A	190.92.127.124^{🇨🇺 INFOCOM190.92.112.0/20 LACNIC generated route for Empresa de Telecomunicaciones de Cuba, S.A.}
MX	`mx.sld.cu` ⭐
		A	201.220.206.77^{🇨🇺 INFOCOM201.220.192.0/19}
			PTR	`sv71.red.sld.cu`
TXT	`v=spf1 ip4:190.6.66.80/28 ip4:201.220.206.0/25 ip4:201.220.206.128/26 ip4:201...`
SOA	`ns1.sld.cu`adm@infomed.sld.cu 2026-08-12 #3

`cu`

	DNSSEC	⚠️ Not signed
	NS	`ns2.ceniai.net.cu` ⭐
	NS	`cu.cctld.authdns.ripe.net`
	NS	`dns-com.ceniai.inf.cu` ⚠️ Not in parent delegation
	NS	`ns.canada.cuba.cu` ⚠️ Not in parent delegation
	NS	`ns.ceniai.net.cu`
	NS	`ns.dns.br`
	NS	`ns2.gip.net`
	NS	`rip.psg.com`
	SOA	`ns.ceniai.net.cu`cu-tech@ceniai.inf.cu 2026-08-13 #6

rank #8410 globally
rank #2 in the tld

sld.cu

sld.cuis the primary domain of Infomed, Cuba's national health telematics network, operated under the country's Ministry of Public Health (MINSAP — Ministerio de Salud Pública). The abbreviation "sld" stands for salud (health in Spanish).

Key facts

Owner / operator: Ministerio de Salud Pública de Cuba (MINSAP) / Infomed
TLD:.cu— Cuba (ccTLD)
Primary purpose: National public health information network; hosts medical journals, institutional sites, and health-sector portals for Cuba
Status: Active

Related domains

infomed.sld.cu— main portal of the Infomed network
bvs.sld.cu— Virtual Health Library (Biblioteca Virtual en Salud) Cuba node
revcalixto.sld.cuand numerous other subdomains hosting Cuban medical and scientific journals

WOT: SAFE (86/100)
📈 Tranco rank: #19,457

Subdomains

ltu.sld.cu

webmail.sld.cu

neuroc99.sld.cu

contenidos.sld.cu

psallende.sld.cu

www.sld.cu

infomed.sld.cu

mx4.sld.cu

cuota.sld.cu

cencec.sld.cu

accserver4.sld.cu

aps.sld.cu

grm.sld.cu

ensap.sld.cu

revortopedia.sld.cu

facest.sld.cu

pop3.sld.cu

hlg.sld.cu

mx.sld.cu

web4.sld.cu

cuotas.sld.cu

listas.sld.cu

test-de-aplicaciones.sld.cu

uccm.sld.cu

slh.sld.cu

elacm.sld.cu

recursosuvs.sld.cu

mx2.sld.cu

ns3.sld.cu

cmw.sld.cu

giron.sld.cu

revmultimed.sld.cu

fatesa.sld.cu

aulauvs.sld.cu

cim.sld.cu

mx5.sld.cu

cis.sld.cu

proxy.sld.cu

gal.sld.cu

psicoguaso.sld.cu

revactamedicacentro.sld.cu

revcmpinar.sld.cu

scielo.sld.cu

cardiocirugia.sld.cu

mtz.sld.cu

correo.sld.cu

maxell.sld.cu

mx1.sld.cu

prox.sld.cu

hodfr.sld.cu

medisur.sld.cu

revzoilomarinello.sld.cu

cav.sld.cu

aulaensap.sld.cu

medicentro.sld.cu

cabrera2.sld.cu

bvs.sld.cu

webmail2.sld.cu

scu.sld.cu

ns2.sld.cu

uvirtual.sld.cu

genetica2019.sld.cu

micronefro.sld.cu

pri.sld.cu

smtp.sld.cu

aulavirtual.sld.cu

clamed.sld.cu

hha.sld.cu

ipk.sld.cu

mx6.sld.cu

scieloprueba.sld.cu

fcmfajardo.sld.cu

aulaelam.sld.cu

retina.sld.cu

cfg.sld.cu

admincuentas.sld.cu

ns0.sld.cu

turquino.sld.cu

revmgi.sld.cu

ssp.sld.cu

ns1.sld.cu

Same first word

sld.pe

sld.gr

sld.jp

sld.im

sld.ru

sld.cn

sld.de

sld.do

sld.se

sld.bz

sld.fr

sld.su

sld.ma

sld.com.tw

sld.at

sld.co.uk

sld.net.au

sld.org.rs

sld.co.za

sld.uk

sld.ee

sld.co.id

sld.fi

sld.tw

sld.com

sld.org.pl

sld.be

sld.me

sld.pa

sld.ch

sld.app

sld.cx

sld.us

sld.asia

sld.org

sld.in

sld.hk

sld.cu

sld.ca

sld.co.jp

sld.xyz

sld.kiev.ua

sld.es

sld.co.nz

sld.pl

sld.com.tr

sld.com.ua

sld.info

sld.nl

sld.org.sa

sld.net

Similar names

lsd.design

dsl.am

dls.se

dls.com.uy

lsd.be

dls.net

dls.gos.pk

lds.net.ua

lds.fm

lsd.edu.hk

sdl.com.tr

dsl.solutions

dls.cl

dls.sg

dsl.zone

sdl.co.uk

lsd.sk

dls.com.bo

lds.ppg.br

dls.kr

dsl.marketing

dls.net.ru

lds.li

lsd.cool

lsd.org

lds.co.id

lds.mn

lds.net.ru

lsd.law

lds.kg

lds.today

dls.pl

lds.ru

dls.in

dsl.design

lsd.bike

dsl.com.vn

dls.lv

dls.tech

dsl.ae

dls.clinic

lds.dk

dls.es

lsd.blue

lds.lu

sdl.de

lds.at

lsd.lt

sdl.capital

dsl.go.th

dls.cn

dsl.us

dsl.technology

sdl.be

lds.in

lds.si

lds.guru

lsd.se

dls.best

sdl.eu.com

dsl.space

lds.it

lsd.email

dsl.se

lds.co

lds.biz

dsl.com.ph

sdl.net

sdl.ru

lds.org.py

sdl.biz

sdl.net.au

sdl.co.jp

sdl.on.ca

dsl.ca

lds.org.sg

lds.ch

lds.org.uy

dsl.eu

dls.agency

sdl.best

sdl.tv

dsl.lv

dsl.systems

dsl.sakura.ne.jp

lds.uk

sdl.co.il

dls.co.kr

DNS History

5 records (5 active, 0 former)

●NSns0.sld.cu2026-02-14 → 2026-08-14 · 9 obs

○ 2019-09-02 06:51:06
● 2026-02-14 16:40:30
● 2026-03-12 22:08:14
○ 2026-03-13 04:48:32
● 2026-03-13 18:19:30
● 2026-04-15 03:16:18
○ 2026-04-15 14:13:58
● 2026-04-15 20:55:20
● 2026-08-14 17:50:16

●NSns1.sld.cu2015-09-01 → 2026-08-14 · 8 obs

● 2015-09-01 15:25:00
● 2026-03-12 22:08:14
○ 2026-03-13 04:48:32
● 2026-03-13 18:19:30
● 2026-04-15 03:16:18
○ 2026-04-15 14:13:58
● 2026-04-15 20:55:20
● 2026-08-14 17:50:16

●NSns2.sld.cu2015-09-01 → 2026-08-14 · 8 obs

● 2015-09-01 15:25:00
● 2026-03-12 22:08:14
○ 2026-03-13 04:48:32
● 2026-03-13 18:19:30
● 2026-04-15 03:16:18
○ 2026-04-15 14:13:58
● 2026-04-15 20:55:20
● 2026-08-14 17:50:16

●NSns3.sld.cu2019-09-02 → 2026-08-14 · 9 obs

○ 2015-09-01 15:25:00
● 2019-09-02 06:51:06
● 2026-03-12 22:08:14
○ 2026-03-13 04:48:32
● 2026-03-13 18:19:30
● 2026-04-15 03:16:18
○ 2026-04-15 14:13:58
● 2026-04-15 20:55:20
● 2026-08-14 17:50:16

●MXmx.sld.cu2015-09-01 → 2026-08-14 · 42 obs

● 2015-09-01 15:25:00
● 2026-03-12 22:08:14
○ 2026-03-13 04:48:32
● 2026-03-13 18:19:30
● 2026-04-15 03:16:18
○ 2026-04-15 14:13:58
● 2026-04-15 20:55:20
● 2026-06-08 11:07:26
○ 2026-06-09 18:31:40
● 2026-06-10 03:44:24
● 2026-06-11 05:17:24
○ 2026-06-12 03:58:32
● 2026-06-12 18:29:12
● 2026-06-14 15:28:52
○ 2026-06-14 16:17:48
● 2026-06-14 18:48:34
○ 2026-06-14 20:16:18
● 2026-06-14 21:19:32
● 2026-06-17 03:46:22
○ 2026-06-19 04:14:06
● 2026-06-19 05:37:08
○ 2026-06-19 20:25:16
● 2026-06-19 21:16:08
○ 2026-06-21 21:09:32
● 2026-06-23 06:33:28
○ 2026-06-24 00:30:56
● 2026-06-25 12:15:36
○ 2026-06-25 18:10:36
● 2026-06-26 22:03:40
○ 2026-07-04 05:34:22
● 2026-07-07 15:18:46
○ 2026-07-08 09:18:36
● 2026-07-09 01:22:54
○ 2026-07-14 21:59:46
● 2026-07-14 22:49:42
○ 2026-07-18 22:06:56
● 2026-07-18 22:59:50
○ 2026-07-25 18:08:10
● 2026-07-25 20:42:48
○ 2026-07-31 12:54:04
● 2026-08-01 00:57:34
● 2026-08-14 17:50:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cu	cu.cctld.authdns.ripe.net, ns.dns.br, ns.ceniai.net.cu, ns2.gip.net...	10 records
sld.cu	ns3.sld.cu, ns2.sld.cu, ns1.sld.cu, ns0.sld.cu	4 records

✅ Authoritative Response

Server:201.220.221.4

NS records: ns3.sld.cu, ns2.sld.cu, ns1.sld.cu, ns0.sld.cu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu (unsigned zone)

⏱️ Timing

Total: 309ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns0.sld.cu, ns3.sld.cu...`
MX	1	`mx.sld.cu (pri: 10)`
TXT	1	`v=spf1 ip4:190.6.66.80/28 ip4:201.220.20`
SOA	1	`ns1.sld.cu adm.infomed.sld.cu`

📌 Glue Records Collected

Total: 14

In-bailiwick: 7 (ns.ceniai.net.cu, ns.ceniai.net.cu, ns2.ceniai.net.cu...)

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

Analysis

Hierarchy

Among the subdomains of sld.cu are ltu.sld.cu, webmail.sld.cu, neuroc99.sld.cu, contenidos.sld.cu, psallende.sld.cu and a few other host names.

Name Servers

sld.cu has four authoritative name servers: ns0.sld.cu, ns1.sld.cu, ns2.sld.cu and ns3.sld.cu.

There is at least partial name server overlap between sld.cu and other domains — 210.220.201.in-addr.arpa, hlg.sld.cu, 209.220.201.in-addr.arpa and two more among them.

These name servers regularly appear alongside naix.hlg.sld.cu, ssp.sld.cu, trinidad.ssp.sld.cu and 7 other name servers in NS record sets.

ns0.sld.cu, ns1.sld.cu, ns2.sld.cu and ns3.sld.cu each resolve to one IP address: ns0.sld.cu resolves to 201.220.221.4, ns1.sld.cu resolves to 201.220.222.131, ns2.sld.cu resolves to 201.220.222.132 and ns3.sld.cu resolves to 190.92.127.124.

Mail Servers

sld.cu has one mail server: mx.sld.cu.

sld.cu shares the same mail server setup as other domains, including ns2.sld.cu, trocha.cav.sld.cu, mx1.cav.sld.cu and two others.

sld.cu shares mail servers — at least in part — with other domains, including ucm.cfg.sld.cu, listas.cfg.sld.cu, polcrucesitas.cfg.sld.cu and two others.

These mail servers are frequently used alongside mail servers smtp.cfg.sld.cu, mx.mp.sld.cu, mx1.ssp.sld.cu and 7 other.

mx.sld.cu resolves to a single IP number: 201.220.206.77.