`cfg.sld.cu`

DNSSEC	⚠️ Not signed
A	201.220.209.82^{🇨🇺 INFOCOM201.220.192.0/19}
NS	`herus.cfg.sld.cu` ⭐ ⚠️ Not in parent delegation
		A	201.220.209.82^{🇨🇺 INFOCOM201.220.192.0/19}
NS	`ns1.sld.cu` ⚠️ Not in parent delegation
		A	201.220.222.131^{🇨🇺 INFOCOM201.220.192.0/19}
NS	`ns2.sld.cu` ⚠️ Not in parent delegation
		A	201.220.222.132^{🇨🇺 INFOCOM201.220.192.0/19}
NS	`ns3.sld.cu` ⚠️ Not in parent delegation
		A	190.92.127.124^{🇨🇺 INFOCOM190.92.112.0/20 LACNIC generated route for Empresa de Telecomunicaciones de Cuba, S.A.}
MX	`smtp.cfg.sld.cu` ⭐
		A	201.220.209.82^{🇨🇺 INFOCOM201.220.192.0/19}
MX	`mx.sld.cu`⁽¹⁵⁾
		A	201.220.206.77^{🇨🇺 INFOCOM201.220.192.0/19}
			PTR	`sv71.red.sld.cu`
SOA	`herus.cfg.sld.cu`root@herus.cfg.sld.cu 2025-03-18 #1

`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: SAFE (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

Subdomains

elam2.cfg.sld.cu

herus.cfg.sld.cu

polcamarones.cfg.sld.cu

www.cfg.sld.cu

polcfa2.cfg.sld.cu

polcfa3.cfg.sld.cu

sherry.cfg.sld.cu

smtp.cfg.sld.cu

dps.cfg.sld.cu

polcmy.cfg.sld.cu

cmy.cfg.sld.cu

aplicacion.cfg.sld.cu

poliyagua.cfg.sld.cu

polsanb.cfg.sld.cu

hospagd.cfg.sld.cu

polcfa4.cfg.sld.cu

polcovadonga.cfg.sld.cu

dpi.cfg.sld.cu

polagd.cfg.sld.cu

cpe.cfg.sld.cu

icaro.cfg.sld.cu

mision.cfg.sld.cu

portalbvs.cfg.sld.cu

dmsabreus.cfg.sld.cu

polpalmira.cfg.sld.cu

borroto.cfg.sld.cu

clinicest.cfg.sld.cu

bcm.cfg.sld.cu

hosped.cfg.sld.cu

polilajas.cfg.sld.cu

medicc.cfg.sld.cu

ucm.cfg.sld.cu

listas.cfg.sld.cu

polcrucesitas.cfg.sld.cu

ciscocf.cfg.sld.cu

camar.cfg.sld.cu

webhosting.cfg.sld.cu

hecf.cfg.sld.cu

minsap.cfg.sld.cu

polcruces.cfg.sld.cu

jagua.cfg.sld.cu

firewall.cfg.sld.cu

epass.cfg.sld.cu

umhecf.cfg.sld.cu

abcd.cfg.sld.cu

Same first word

cfg.co.za

cfg.nu

cfg.in.ua

cfg.email

cfg.com.ua

cfg.info

cfg.capital

cfg.tf

cfg.fi

cfg.ma

cfg.digital

cfg.la

cfg.com

cfg.pl

cfg.one

cfg.asia

cfg.net

cfg.eu

cfg.net.au

cfg.fr

cfg.be

cfg.no

cfg.by

cfg.me

cfg.ru

cfg.ca

cfg.com.do

cfg.lt

cfg.org

cfg.sk

cfg.co.th

cfg.de

cfg.ceo

cfg.sg

cfg.it

cfg.org.uk

cfg.biz

cfg.co.il

cfg.se

cfg.su

cfg.mx

cfg.gob.ve

cfg.com.cn

cfg.in

cfg.co.jp

cfg.jp

cfg.ch

cfg.edu.vn

cfg.red

cfg.bank

cfg.cc

cfg.cz

cfg.co.in

cfg.nl

cfg.com.br

cfg.co

cfg.hu

cfg.sytes.net

cfg.com.tr

Similar names

fcg.nu

fgc.services

gfc.az

gfc.de

gfc.fi

fgc.ro

fcg.us

gcf.it

cgf.hu

fgc.com.tr

fgc.ca

fgc.com.br

cgf.org

fcg.fi

gfc.net

cgf.be

gfc.com.kw

fcg.no

gfc.at

cgf.it

cgf.tv

gfc.adv.br

fcg.eu

gcf.com.cn

cgf.co.za

cgf.net

gcf.fr

cgf.pf

gfc.uk.net

gfc.it

gfc.ch

cgf.gov.ly

gfc.com.cn

gcf.church

gcf.es

fgc.pf

fgc.net

fgc.pl

gfc.or.kr

fcg.lv

gcf.be

gfc.services

gfc.mk

gcf.sakura.ne.jp

gfc.org

fgc.us

gfc.biz

fcg.com.pk

gcf.org.za

fcg.technology

gcf.or.kr

gcf.net

gfc.world

gfc.vn

fgc.gov.sd

fcg.ck.ua

gcf.ca

cgf.pl

fcg.mx

gcf.com

cgf.ca

gcf.com.br

fcg.in

gcf.pl

gfc.com.mx

fgc.edu.pk

fcg.fr

gfc.eu

fgc.org.hk

fcg.se

cgf.co

gfc.no

fgc.se

fcg.aero

fgc.cz

fcg.cc

fgc.nl

fcg.nl

fcg.net

fgc.ir

fcg.cz

fcg.hu

fcg.com.mx

gcf.org

cgf.ch

gfc.mobi

gcf.org.ph

cgf.jp

gfc.me

gfc.contractors

cgf.gov.lk

cgf.co.kr

gfc.rocks

fgc.co.nz

gcf.co

fcg.co.th

DNS History

7 records (7 active, 0 former)

●NSherus.cfg.sld.cu2009-07-03 → 2026-08-05 · 21 obs

● 2009-07-03 23:56:58
● 2026-03-28 05:54:42
○ 2026-03-28 16:30:40
● 2026-03-29 06:13:46
● 2026-06-12 17:15:24
○ 2026-06-14 05:12:22
● 2026-06-14 10:02:08
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● 2026-06-14 15:27:04
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● 2026-06-23 14:53:42
○ 2026-06-28 00:58:06
● 2026-06-29 06:48:58
○ 2026-07-01 15:56:24
● 2026-07-03 18:48:22
○ 2026-07-04 12:39:22
● 2026-07-05 11:32:44
○ 2026-07-31 19:37:22
● 2026-08-02 02:31:14
● 2026-08-05 04:01:54

●NSns1.sld.cu2009-07-03 → 2026-08-05 · 100 obs

● 2009-07-03 23:56:58
● 2026-02-14 23:12:54
○ 2026-02-15 01:04:06
● 2026-02-16 07:30:06
● 2026-02-24 22:42:22
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● 2026-03-01 16:31:28
● 2026-03-05 16:56:14
○ 2026-03-06 09:35:42
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● 2026-03-22 11:26:32
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● 2026-05-28 23:48:24
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● 2026-06-06 16:39:42
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● 2026-07-16 14:41:04
○ 2026-07-18 22:06:56
● 2026-07-19 16:16:24
○ 2026-07-31 19:37:22
● 2026-08-02 02:31:14
● 2026-08-05 04:01:54

●NSns2.sld.cu2009-07-03 → 2026-08-05 · 100 obs

●NSns3.sld.cu2021-07-22 → 2026-08-05 · 101 obs

○ 2009-07-03 23:56:58
● 2021-07-22 13:07:50
● 2026-02-14 23:12:54
○ 2026-02-15 01:04:06
● 2026-02-16 07:30:06
● 2026-02-24 22:42:22
○ 2026-03-01 09:28:08
● 2026-03-01 16:31:28
● 2026-03-05 16:56:14
○ 2026-03-06 09:35:42
● 2026-03-08 09:08:38
● 2026-03-15 02:44:04
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● 2026-03-17 09:45:02
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● 2026-03-18 05:33:18
● 2026-03-19 10:24:36
○ 2026-03-19 19:57:36
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● 2026-03-22 11:26:32
● 2026-03-23 11:26:50
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● 2026-04-08 02:55:54
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● 2026-04-09 02:08:22
● 2026-04-10 12:34:30
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● 2026-04-13 21:07:42
● 2026-04-14 14:38:56
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● 2026-04-17 11:51:06
● 2026-04-18 03:48:56
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● 2026-04-22 23:09:20
● 2026-04-28 14:48:42
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● 2026-05-18 08:09:48
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● 2026-05-24 16:23:06
○ 2026-05-24 16:56:38
○ 2026-05-25 04:32:52
● 2026-05-25 16:37:12
● 2026-05-28 23:48:24
○ 2026-05-30 08:07:20
● 2026-06-02 05:06:06
● 2026-06-06 16:39:42
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● 2026-06-12 17:15:24
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○ 2026-06-14 14:01:40
● 2026-06-14 15:27:04
● 2026-06-15 01:34:32
○ 2026-06-16 05:55:40
○ 2026-06-17 05:17:10
● 2026-06-19 02:17:02
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● 2026-06-23 14:53:42
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● 2026-06-29 06:48:58
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● 2026-07-03 18:48:22
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● 2026-07-05 11:32:44
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● 2026-07-16 14:41:04
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● 2026-07-19 16:16:24
○ 2026-07-31 19:37:22
● 2026-08-02 02:31:14
● 2026-08-05 04:01:54

●MXmx.sld.cu2009-07-03 → 2026-08-05 · 109 obs

● 2009-07-03 23:56:58
● 2026-02-19 07:31:48
○ 2026-02-20 02:06:32
● 2026-02-20 08:30:46
○ 2026-02-21 07:00:44
● 2026-02-22 08:31:56
● 2026-03-01 09:28:08
○ 2026-03-01 16:31:28
● 2026-03-02 15:44:28
● 2026-03-12 18:28:36
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● 2026-03-14 09:31:28
● 2026-03-15 02:44:04
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● 2026-03-17 09:45:02
● 2026-03-19 10:24:36
○ 2026-03-19 19:57:36
○ 2026-03-21 10:12:38
● 2026-03-22 05:28:52
● 2026-03-22 13:19:10
○ 2026-03-23 07:06:00
● 2026-03-23 11:26:50
● 2026-03-24 15:49:40
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● 2026-03-25 01:58:32
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● 2026-04-14 14:38:56
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● 2026-08-05 04:01:50
● 2026-08-05 04:01:54

●MXsmtp.cfg.sld.cu2009-07-03 → 2026-08-05 · 109 obs

●A201.220.209.822009-07-03 → 2026-08-05 · 83 obs

● 2009-07-03 23:56:58
● 2026-02-17 18:17:30
○ 2026-02-18 07:46:36
● 2026-02-19 07:31:48
● 2026-02-20 08:30:46
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● 2026-08-02 02:31:14
● 2026-08-05 04:01:54

🔍 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	ns2.sld.cu, ns0.sld.cu, ns3.sld.cu, ns1.sld.cu	4 records

✅ Authoritative Response

Server:201.220.222.132

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu (unsigned zone)

⏱️ Timing

Total: 396ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`201.220.209.82`
NS	4	`ns1.sld.cu, ns3.sld.cu...`
MX	2	`mx.sld.cu (pri: 15), smtp.cfg.sld.cu (pri: 10)`
TXT	1	`v=spf1 a:pr.spf.sld.cu a:cabrera2.sld.cu`
SOA	1	`herus.cfg.sld.cu root.herus.cfg.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

The host names elam2.cfg.sld.cu, herus.cfg.sld.cu, polcamarones.cfg.sld.cu, www.cfg.sld.cu and polcfa2.cfg.sld.cu — among a few others — fall under the parent domain cfg.sld.cu.

IP Addresses

cfg.sld.cu has exactly one IP address — 201.220.209.82.

polcfa3.cfg.sld.cu, smtp.cfg.sld.cu, dps.cfg.sld.cu plus two other host names have IP numbers in common with cfg.sld.cu.

Name Servers

Four name servers handle the delegation for cfg.sld.cu: ns1.sld.cu, ns2.sld.cu, ns3.sld.cu and herus.cfg.sld.cu.

At least some of cfg.sld.cu's name servers are shared with other domains, for example 214.220.201.in-addr.arpa, sld.cu, 199.220.201.in-addr.arpa and two more.

These name servers tend to co-occur with ns0.sld.cu, ssp.sld.cu, trinidad.ssp.sld.cu and 7 other name servers in the same DNS delegations.

Four host names, each with one IP address: ns1.sld.cu has 201.220.222.131, ns2.sld.cu has 201.220.222.132, ns3.sld.cu has 190.92.127.124 and herus.cfg.sld.cu has 201.220.209.82.

Mail Servers

cfg.sld.cu uses two mail servers, mx.sld.cu and smtp.cfg.sld.cu.

The mail server setup of cfg.sld.cu matches that of other domains such as camar.cfg.sld.cu, hecf.cfg.sld.cu, minsap.cfg.sld.cu and two others.

At least some of the mail servers used by cfg.sld.cu are shared with other domains: ns2.sld.cu, trocha.cav.sld.cu, pri.sld.cu and two others among them.

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

Each of mx.sld.cu and smtp.cfg.sld.cu has one IP address: mx.sld.cu uses 201.220.206.77 and smtp.cfg.sld.cu uses 201.220.209.82.

cfg.sld.cu - robtex.com

cfg.sld.cu

sld.cu

sld.cu

Key facts

Related domains

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

Mail Servers

`cfg.sld.cu`

`sld.cu`