`ns1.sld.cu`

DNSSEC	⚠️ Not signed
A	201.220.222.131^{🇨🇺 INFOCOM201.220.192.0/19}
		PTR	`mx1.sld.cu`
MX	`mx.sld.cu` ⭐
		A	201.220.206.77^{🇨🇺 INFOCOM201.220.192.0/19}
			PTR	`sv71.red.sld.cu`

`sld.cu`

	DNSSEC	⚠️ Not signed
	NS	`ns1.sld.cu` ⭐
	NS	`ns0.sld.cu`
	NS	`ns2.sld.cu`
	NS	`ns3.sld.cu`
	MX	`mx.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 2026-08-01 #2

WOT: UNKNOWN (85/100)
rank #8404 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: #18,162

NS for

Previously NS for

215.220.201.in-addr.arpa

ltu.sld.cu

slh.sld.cu

mx.gal.sld.cu

vcl.sld.cu

red.sld.cu

205.220.201.in-addr.arpa

gtm.sld.cu

cav.sld.cu

scu.sld.cu

pri.sld.cu

ftp.sld.cu

Same first word

ns1.my.id

ns1.k12.ms.us

ns1.ras.ru

ns1.no-ip.net

ns1.ph

ns1.xmit.dev

ns1.org.uk

ns1.lib.md.us

ns1.com.hr

ns1.ne.kr

ns1.gov.rs

ns1.bplaced.net

ns1.3utilities.com

ns1.cloudflare.net

ns1.diskstation.me

ns1.123hjemmeside.dk

ns1.rag-cloud.hosteur.com

ns1.no

ns1.net.br

ns1.web.id

ns1.k12.vt.us

ns1.eun.eg

ns1.rn.gov.br

ns1.lima-city.de

ns1.gov.ru

ns1.rag-cloud-ch.hosteur.com

ns1.gov.za

ns1.ca

ns1.gov.lk

ns1.gov.mo

ns1.ngo.us

ns1.copro.uk

ns1.im

ns1.co.uk

ns1.dev-myqnapcloud.com

ns1.ox.rs

ns1.tokyo

ns1.ovh

ns1.gov.ps

ns1.us.kg

ns1.us

ns1.click

ns1.co.pl

ns1.co.com

ns1.hu

ns1.appengine.flow.ch

ns1.myasustor.com

ns1.dscloud.mobi

ns1.com.tr

ns1.gov.sc

ns1.demo.jelastic.com

ns1.myqnapcloud.cn

ns1.nl

ns1.fj

ns1.potager.org

ns1.gov.la

ns1.kg

ns1.fi.cloudplatform.fi

ns1.be

ns1.tuxfamily.org

ns1.unicloud.pl

ns1.j.scaleforce.com.cy

ns1.lublin.pl

ns1.enscaled.sg

ns1.co.nz

ns1.mcdir.ru

ns1.servehttp.com

ns1.co.za

ns1.host

ns1.gov.az

ns1.dev

ns1.store

ns1.rr.gov.br

ns1.carrd.co

ns1.az

ns1.gov.ph

ns1.in-berlin.de

ns1.fastlylb.net

ns1.edu.tt

ns1.ai

ns1.ac.lk

ns1.pe.gov.br

ns1.biz

ns1.lu

ns1.ro.gov.br

ns1.ac.gov.br

ns1.world

ns1.nic.in

ns1.vn.ua

ns1.mk

ns1.to

ns1.asia

ns1.is-a.dev

ns1.uno

ns1.es.gov.br

ns1.jls-sto1.elastx.net

ns1.eu

ns1.li

ns1.jcloud.kz

ns1.myds.me

Similar names

s1n.de

sn1.ch

s1n.net

s1n.com

n1s.us

1sn.com

n1s.ru

sn1.eu

1sn.ru

ns1.nhs.uk

ns1.whm.nl-ams.scw.cloud

ns1.fm

ns1.us.reclaim.cloud

ns1.online

ns1.gr

ns1.tas.gov.au

s1n.gg

ns1.vg

ns1.ric.jelastic.vps-host.net

ns1.bz

ns1.df.gov.br

ns1.ie

ns1.systems

ns1.me

ns1.sakura.ne.jp

ns1.phx.enscaled.us

ns1.co.il

ns1.nic.tj

ns1.pw

ns1.cc

ns1.barsyonline.com

ns1.mobi

ns1.co.tz

ns1.com.pa

ns1.rs.ba

n1s.se

ns1.primetel.cloud

ns1.by

ns1.gov.bh

s1n.biz

ns1.ge

ns1.paas.hosted-by-previder.com

ns1.si

ns1.jelastic.saveincloud.net

ns1.altervista.org

1sn.org

ns1.v.ua

n1s.de

ns1.perspecta.cloud

ns1.ch.trendhosting.cloud

ns1.com.ru

ns1.drud.us

ns1.org.kp

ns1.eu.org

ns1.com.au

ns1.km

ns1.dscloud.me

ns1.byen.site

s1n.pl

DNS History

2 records (2 active, 0 former)

●MXmx.sld.cu2015-08-27 → 2026-08-05 · 50 obs

● 2015-08-27 03:58:56
● 2026-03-13 02:25:52
○ 2026-03-13 03:54:00
○ 2026-03-13 12:47:34
● 2026-03-13 18:19:34
● 2026-03-28 18:21:24
○ 2026-03-28 23:12:56
● 2026-03-29 06:29:48
● 2026-04-15 12:30:36
○ 2026-04-15 14:13:58
● 2026-04-15 20:55:24
● 2026-06-10 03:44:24
○ 2026-06-11 05:17:22
● 2026-06-11 11:15:06
○ 2026-06-12 01:14:18
○ 2026-06-12 07:59:30
● 2026-06-12 12:06:26
● 2026-06-12 18:29:16
○ 2026-06-12 19:27:38
● 2026-06-12 22:29:56
○ 2026-06-13 19:22:14
○ 2026-06-14 05:12:24
● 2026-06-14 07:42:00
● 2026-06-15 16:38:52
○ 2026-06-15 17:35:04
● 2026-06-15 23:11:54
● 2026-06-16 05:55:44
○ 2026-06-16 07:37:58
● 2026-06-16 19:52:24
○ 2026-06-21 10:28:00
● 2026-06-21 21:09:34
○ 2026-06-24 00:30:56
● 2026-06-24 08:14:04
○ 2026-06-25 12:09:14
● 2026-06-26 00:21:48
○ 2026-06-27 00:49:22
● 2026-06-29 08:09:24
○ 2026-07-07 18:18:16
● 2026-07-08 05:23:52
○ 2026-07-08 06:42:36
● 2026-07-08 20:10:52
○ 2026-07-14 22:49:40
● 2026-07-15 00:53:24
○ 2026-07-15 05:21:18
● 2026-07-15 09:47:52
○ 2026-07-21 19:35:24
● 2026-07-22 15:05:46
○ 2026-08-04 17:39:34
● 2026-08-04 19:02:54
● 2026-08-05 05:14:22

●A201.220.222.1312015-08-27 → 2026-08-05 · 47 obs

● 2015-08-27 03:58:56
● 2026-03-13 02:25:52
○ 2026-03-13 03:54:00
○ 2026-03-13 12:47:34
● 2026-03-13 18:19:34
● 2026-04-15 12:30:36
○ 2026-04-15 14:13:58
● 2026-04-15 20:55:24
● 2026-06-10 03:44:24
○ 2026-06-11 05:17:22
● 2026-06-11 11:15:06
○ 2026-06-12 01:14:18
○ 2026-06-12 07:59:30
● 2026-06-12 12:06:26
● 2026-06-12 18:29:16
○ 2026-06-12 19:27:38
● 2026-06-12 22:29:56
○ 2026-06-13 19:22:14
○ 2026-06-14 05:12:24
● 2026-06-14 07:42:00
● 2026-06-15 16:38:52
○ 2026-06-15 17:35:04
● 2026-06-15 23:11:54
● 2026-06-16 05:55:44
○ 2026-06-16 07:37:58
● 2026-06-16 19:52:24
○ 2026-06-21 10:28:00
● 2026-06-21 21:09:34
○ 2026-06-24 00:30:56
● 2026-06-24 08:14:04
○ 2026-06-25 12:09:14
● 2026-06-26 00:21:48
○ 2026-06-27 00:49:22
● 2026-06-29 08:09:24
○ 2026-07-07 18:18:16
● 2026-07-08 05:23:52
○ 2026-07-08 10:47:02
● 2026-07-08 12:00:16
○ 2026-07-14 22:49:40
● 2026-07-15 00:53:24
○ 2026-07-15 05:21:18
● 2026-07-15 09:47:52
○ 2026-07-21 19:35:24
● 2026-07-22 15:05:46
○ 2026-08-04 17:39:34
● 2026-08-04 19:02:54
● 2026-08-05 05:14:22

🔍 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:201.220.222.131

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: 3287ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`201.220.222.131`
MX	1	`mx.sld.cu (pri: 10)`

📌 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

Name Server Role

Among the domains delegated to ns1.sld.cu as a name server are 214.220.201.in-addr.arpa, sld.cu, 199.220.201.in-addr.arpa, cfg.sld.cu, ssp.sld.cu and a handful of others.

It is common to see ns2.sld.cu, ns3.sld.cu and ns0.sld.cu acting as name servers in combination with ns1.sld.cu.

IP Addresses

ns1.sld.cu has exactly one IP address — 201.220.222.131.

e2b03.red.sld.cu and mx1.sld.cu, along with other host names, share IP addresses with ns1.sld.cu.

Mail Servers

ns1.sld.cu uses one mail server — mx.sld.cu.

The mail server setup of ns1.sld.cu matches that of other domains such as ns2.sld.cu, trocha.cav.sld.cu, sld.cu and two others.

At least some of the mail servers used by ns1.sld.cu are shared with other domains: ucm.cfg.sld.cu, listas.cfg.sld.cu, polcrucesitas.cfg.sld.cu and two others among them.

These mail servers are often deployed together with smtp.cfg.sld.cu, mx.mp.sld.cu, mx1.ssp.sld.cu and 7 other mail servers.

mx.sld.cu carries a single IP number, which is 201.220.206.77.

ns1.sld.cu - robtex.com

ns1.sld.cu

sld.cu

sld.cu

Key facts

Related domains

NS for

Previously NS for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Server Role

IP Addresses

Mail Servers

`ns1.sld.cu`

`sld.cu`