`grm.sld.cu`

DNSSEC	⚠️ Not signed
A	201.220.205.250^{🇨🇺 INFOCOM201.220.192.0/19}
NS	`ns1.grm.sld.cu` ⭐ ⚠️ Not in parent delegation
		A	201.220.205.250^{🇨🇺 INFOCOM201.220.192.0/19}
NS	`ns1.sld.cu` ⚠️ Not in parent delegation
		A	201.220.222.131^{🇨🇺 INFOCOM201.220.192.0/19}
			PTR	`mx1.sld.cu`
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.}
TXT	`v=spf1 a:pr.spf.sld.cu ~all`
SOA	`ns1.grm.sld.cu`beck@grm.sld.cu 2026-02-11 #32

`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 (60/100)
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

delta.grm.sld.cu

magnus.grm.sld.cu

mail.grm.sld.cu

grannet.grm.sld.cu

webmail.grm.sld.cu

ns1.grm.sld.cu

ucm.grm.sld.cu

Same first word

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mgr.net

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mrg.rs

DNS History

8 records (5 active, 3 former)

●NSns1.grm.sld.cu2015-08-22 → 2026-08-05 · 9 obs

○ 2009-07-02 20:01:18
● 2015-08-22 13:37:46
● 2026-03-08 01:38:32
○ 2026-03-13 03:54:00
● 2026-03-18 05:29:10
● 2026-05-27 08:52:10
○ 2026-06-14 15:30:56
● 2026-07-09 01:22:56
● 2026-08-05 06:19:44

●NSns1.sld.cu2015-08-22 → 2026-08-05 · 16 obs

○ 2009-07-02 20:01:18
● 2015-08-22 13:37:46
● 2026-03-08 01:38:32
○ 2026-03-13 03:54:00
● 2026-03-18 05:29:10
● 2026-03-26 05:39:20
○ 2026-03-27 14:09:48
● 2026-03-27 15:06:58
● 2026-04-07 21:02:22
○ 2026-04-08 20:53:18
● 2026-04-08 22:05:20
● 2026-05-18 16:07:00
○ 2026-05-27 08:52:10
○ 2026-06-14 15:30:56
● 2026-07-09 01:22:56
● 2026-08-05 06:19:44

○NSns2.grm.sld.cu2015-08-22 → 2021-08-10 · 5 obs

○ 2009-07-02 20:01:18
● 2015-08-22 13:37:46
● 2021-08-10 05:39:40
○ 2026-02-17 20:28:30
○ 2026-08-05 06:19:44

●NSns2.sld.cu2015-08-22 → 2026-08-05 · 16 obs

●NSns3.sld.cu2020-05-12 → 2026-08-05 · 16 obs

○ 2015-08-22 13:37:46
● 2020-05-12 10:42:44
● 2026-03-08 01:38:32
○ 2026-03-13 03:54:00
● 2026-03-18 05:29:10
● 2026-03-26 05:39:20
○ 2026-03-27 14:09:48
● 2026-03-27 15:06:58
● 2026-04-07 21:02:22
○ 2026-04-08 20:53:18
● 2026-04-08 22:05:20
● 2026-05-18 16:07:00
○ 2026-05-27 08:52:10
○ 2026-06-14 15:30:56
● 2026-07-09 01:22:56
● 2026-08-05 06:19:44

○MXmx.grm.sld.cu2015-08-22 → 2026-07-25 · 16 obs

○ 2009-07-02 20:01:18
● 2015-08-22 13:37:46
● 2026-02-20 09:28:14
○ 2026-03-08 01:38:32
○ 2026-03-13 03:54:00
● 2026-03-18 05:29:10
● 2026-04-08 20:53:18
○ 2026-04-08 22:05:20
● 2026-05-02 02:10:12
● 2026-05-10 11:56:34
○ 2026-05-16 12:25:18
● 2026-05-18 16:07:00
○ 2026-05-27 08:52:10
● 2026-07-25 04:00:26
○ 2026-08-05 06:19:40
○ 2026-08-05 06:19:44

○MXmx.sld.cu2015-08-22 → 2026-07-25 · 16 obs

●A201.220.205.2502015-08-22 → 2026-08-05 · 12 obs

○ 2009-07-02 20:01:18
● 2015-08-22 13:37:46
● 2021-08-10 05:39:40
○ 2026-02-17 20:28:30
● 2026-02-20 09:28:14
● 2026-03-08 01:38:32
○ 2026-03-13 03:54:00
● 2026-03-18 05:29:10
● 2026-05-27 08:52:10
○ 2026-06-14 15:30:56
● 2026-07-09 01:22:56
● 2026-08-05 06:19:44

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

✅ Authoritative Response

Server:201.220.222.132

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu (unsigned zone)

⏱️ Timing

Total: 380ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`201.220.205.250`
MX	2	`mx.grm.sld.cu (pri: 3), mx.sld.cu (pri: 5)`
TXT	1	`v=spf1 a:pr.spf.sld.cu ~all`
SOA	1	`ns1.grm.sld.cu beck.grm.sld.cu`

📌 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

Hierarchy

delta.grm.sld.cu, magnus.grm.sld.cu, mail.grm.sld.cu, grannet.grm.sld.cu, webmail.grm.sld.cu and a few other host names are all children of grm.sld.cu.

IP Addresses

grm.sld.cu resolves to one IP address: 201.220.205.250.

Other hosts including delta.grm.sld.cu, grannet.grm.sld.cu and ns1.grm.sld.cu share IP addresses with grm.sld.cu.

Name Servers

The authoritative name servers for grm.sld.cu are ns1.sld.cu, ns2.sld.cu, ns3.sld.cu and ns1.grm.sld.cu.

The name servers of grm.sld.cu overlap at least partially with those of other domains — among them 210.220.201.in-addr.arpa, hlg.sld.cu, 209.220.201.in-addr.arpa and two more.

These name servers commonly appear in delegations together with ns0.sld.cu, naix.hlg.sld.cu, ssp.sld.cu and 7 other.

Each of the four hosts ns1.sld.cu, ns2.sld.cu, ns3.sld.cu and ns1.grm.sld.cu points to a single IP address — ns1.sld.cu points to 201.220.222.131, ns2.sld.cu points to 201.220.222.132, ns3.sld.cu points to 190.92.127.124 and ns1.grm.sld.cu points to 201.220.205.250.

grm.sld.cu - robtex.com

grm.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

`grm.sld.cu`

`sld.cu`