ns0.sld.cu - robtex.com

ns0.sld.cu

DNSSEC⚠️ Not signed
A201.220.221.4🇨🇺 INFOCOM201.220.192.0/19
MXmx.sld.cu ⭐

sld.cu

DNSSEC⚠️ Not signed
NSns1.sld.cu ⭐
NSns0.sld.cu
NSns2.sld.cu
NSns3.sld.cu
MXmx.sld.cu ⭐
TXTv=spf1 ip4:190.6.66.80/28 ip4:201.220.206.0/25 ip4:201.220.206.128/26 ip4:201...
SOAns1.sld.cuadm@infomed.sld.cu 2026-08-01 #2
WOT: SAFE (85/100)
rank #8339 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

sld.cu
192.220.201.in-addr.arpa
210.220.201.in-addr.arpa
hlg.sld.cu
222.220.201.in-addr.arpa
220.220.201.in-addr.arpa
mtz.sld.cu

Previously NS for

215.220.201.in-addr.arpa
206.220.201.in-addr.arpa
219.220.201.in-addr.arpa
mx.gal.sld.cu
vcl.sld.cu
red.sld.cu
211.220.201.in-addr.arpa
pri.sld.cu
ftp.sld.cu

Same first word

ns0.cloudapp.net
ns0.ru
ns0.cn
ns0.io
ns0.us
ns0.hu
ns0.nhs.uk
ns0.be
ns0.info
ns0.cc
ns0.eu
ns0.org.uk
ns0.bid
ns0.tunk.org
ns0.at
ns0.de
ns0.com
ns0.gov.mu
ns0.in
ns0.uk
ns0.email
ns0.nom.za
ns0.dev
ns0.ws
ns0.co.uk
ns0.mydns.jp
ns0.co
ns0.org
ns0.net
ns0.ca
ns0.biz
ns0.xmit.dev
ns0.nl
ns0.ibxos.it
ns0.it

Similar names

sn0.org
n0s.ru
0sn.net
0ns.nl
n0s.casino
sn0.cn
sn0.com
s0n.com
sn0.de
0ns.de
0ns.org
sn0.net
s0n.org
0ns.pw
0ns.me
0ns.hu
0ns.com
s0n.de
s0n.net
s0n.eu
0sn.de
n0s.name
0sn.com
0ns.eu
n0s.cn
sn0.info
n0s.com
n0s.nl
s0n.ru
n0s.de
sn0.us
0sn.cn
sn0.ru
0ns.ru
s0n.cn

DNS History

2 records (2 active, 0 former)

MXmx.sld.cuA201.220.221.4
●MXmx.sld.cu2026-02-14 → 2026-08-04 · 37 obs
● 2026-02-14 16:40:28
● 2026-03-13 02:25:56
○ 2026-03-13 04:48:32
○ 2026-03-13 12:47:34
● 2026-03-13 18:19:32
● 2026-04-15 12:30:40
○ 2026-04-15 14:13:58
● 2026-04-15 20:55:24
● 2026-06-10 03:44:20
○ 2026-06-11 05:17:22
● 2026-06-12 03:42:48
○ 2026-06-12 18:29:10
● 2026-06-12 19:27:40
● 2026-06-14 07:42:00
○ 2026-06-14 08:22:08
● 2026-06-14 10:48:16
● 2026-06-15 13:35:32
○ 2026-06-15 16:38:48
● 2026-06-15 17:35:08
● 2026-06-16 04:15:26
○ 2026-06-16 07:37:52
● 2026-06-16 19:52:32
○ 2026-06-23 08:31:36
● 2026-06-24 08:14:04
○ 2026-06-25 12:15:30
● 2026-06-26 19:35:28
○ 2026-06-26 22:03:34
● 2026-06-27 21:35:48
○ 2026-06-29 08:09:10
● 2026-06-29 12:37:52
○ 2026-07-09 01:22:56
● 2026-07-09 16:08:54
○ 2026-07-18 22:06:56
● 2026-07-18 22:59:50
○ 2026-07-25 18:08:10
● 2026-07-25 20:42:48
● 2026-08-04 15:09:42
●A201.220.221.42026-02-14 → 2026-08-04 · 37 obs
● 2026-02-14 16:40:28
● 2026-03-13 02:25:56
○ 2026-03-13 04:48:32
○ 2026-03-13 12:47:34
● 2026-03-13 18:19:32
● 2026-04-15 12:30:40
○ 2026-04-15 14:13:58
● 2026-04-15 20:55:24
● 2026-06-10 03:44:20
○ 2026-06-11 05:17:22
● 2026-06-12 03:42:48
○ 2026-06-12 18:29:10
● 2026-06-12 19:27:40
● 2026-06-14 07:42:00
○ 2026-06-14 08:22:08
● 2026-06-14 10:48:16
● 2026-06-15 13:35:32
○ 2026-06-15 16:38:48
● 2026-06-15 17:35:08
● 2026-06-16 04:15:26
○ 2026-06-16 07:37:52
● 2026-06-16 19:52:32
○ 2026-06-23 08:31:36
● 2026-06-24 08:14:04
○ 2026-06-25 12:15:30
● 2026-06-26 19:35:28
○ 2026-06-26 22:03:34
● 2026-06-27 21:35:48
○ 2026-06-29 08:09:10
● 2026-06-29 12:37:52
○ 2026-07-08 11:04:16
● 2026-07-09 16:08:54
○ 2026-07-18 22:06:56
● 2026-07-18 22:59:50
○ 2026-07-25 18:08:10
● 2026-07-25 20:42:48
● 2026-08-04 15:09:42

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
cucu.cctld.authdns.ripe.net, ns.dns.br, ns.ceniai.net.cu, ns2.gip.net...10 records
sld.cuns0.sld.cu, ns2.sld.cu, ns3.sld.cu, ns1.sld.cu4 records

✅ Authoritative Response

Server:201.220.222.132

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu (unsigned zone)

⏱️ Timing

Total: 3415ms | Queries: -

📄 Records

TypeCountSample Data
A1201.220.221.4
MX1mx.sld.cu (pri: 10)

📌 Glue Records Collected

Total: 14

In-bailiwick: 7 (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

Name Server Role

ns0.sld.cu serves as a name server for sld.cu, 192.220.201.in-addr.arpa, 210.220.201.in-addr.arpa, hlg.sld.cu, 222.220.201.in-addr.arpa and a few other domains.

ns1.sld.cu, ns2.sld.cu and ns3.sld.cu frequently serve as name servers alongside ns0.sld.cu.

IP Addresses

ns0.sld.cu points to a single IP number: 201.220.221.4.

Mail Servers

ns0.sld.cu has one mail server: mx.sld.cu.

ns0.sld.cu shares the same mail server setup as other domains, including ns2.sld.cu, trocha.cav.sld.cu, sld.cu and two others.

ns0.sld.cu shares mail servers — at least in part — with other domains, including listas.cfg.sld.cu, polcrucesitas.cfg.sld.cu, camar.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.