uci.cu - dns.ninja

`uci.cu`

DNSSEC	⚠️ Not signed
A	200.55.140.186^{🇨🇺 INFOCOM200.55.136.0/21}
NS	`ns1.uci.cu` ⭐
		A	200.55.140.178^{🇨🇺 INFOCOM200.55.136.0/21}
NS	`ns2.uci.cu`
		A	200.55.140.179^{🇨🇺 INFOCOM200.55.136.0/21}
NS	`ns3.uci.cu`
		A	200.55.140.180^{🇨🇺 INFOCOM200.55.136.0/21}
MX	`mx1.uci.cu` ⭐
		A	200.55.140.178^{🇨🇺 INFOCOM200.55.136.0/21}
MX	`mx2.uci.cu` ⭐
		A	200.55.140.179^{🇨🇺 INFOCOM200.55.136.0/21}
MX	`mx3.uci.cu`⁽³⁰⁾
		A	200.55.140.180^{🇨🇺 INFOCOM200.55.136.0/21}
TXT	`google-site-verification=x9rWdcr5xRr9AkjEnRRnF0yU5c3AphHVGbYIZItIlk4`
TXT	`Universidad de las Ciencias Informaticas`
TXT	`v=spf1 mx a ip4:200.55.140.176/28 -all`
SOA	`ns1.uci.cu`postmaster@uci.cu 2026-05-07 #1

`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 2026-07-28 #2

rank #300866 globally
rank #30 in the tld
WOT: SAFE (88/100)
📈 Tranco rank: #214,487

Subdomains

mx1.uci.cu

hab.uci.cu

mx5.uci.cu

ns2.uci.cu

mx4.uci.cu

estudiantes.uci.cu

mx2.uci.cu

mx3.uci.cu

ns1.uci.cu

jabber.uci.cu

ns3.uci.cu

Same first word

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uic.cz

DNS History

8 records (7 active, 1 former)

●NSns1.uci.cu2009-01-15 → 2026-07-29 · 2 obs

● 2009-01-15 17:55:20
● 2026-07-29 15:12:16

●NSns2.uci.cu2009-01-15 → 2026-07-29 · 2 obs

● 2009-01-15 17:55:20
● 2026-07-29 15:12:16

●NSns3.uci.cu2009-01-15 → 2026-07-29 · 2 obs

● 2009-01-15 17:55:20
● 2026-07-29 15:12:16

●MXmx1.uci.cu2009-01-15 → 2026-07-29 · 14 obs

● 2009-01-15 17:55:20
● 2026-05-17 12:18:38
○ 2026-05-17 20:10:58
● 2026-05-18 10:23:42
● 2026-05-30 10:23:08
○ 2026-06-01 06:39:18
● 2026-06-03 07:23:00
○ 2026-07-01 17:40:12
● 2026-07-03 00:25:04
○ 2026-07-10 07:19:06
● 2026-07-15 15:40:18
○ 2026-07-25 14:15:48
● 2026-07-25 17:15:06
● 2026-07-29 15:12:16

●MXmx2.uci.cu2009-01-15 → 2026-07-29 · 14 obs

●MXmx3.uci.cu2009-01-15 → 2026-07-29 · 14 obs

●A200.55.140.1862021-02-18 → 2026-07-29 · 18 obs

○ 2018-12-26 14:42:38
● 2021-02-18 05:44:48
● 2026-03-28 17:08:12
○ 2026-04-01 11:11:20
● 2026-04-09 03:03:32
● 2026-05-17 12:18:38
○ 2026-05-17 20:10:58
● 2026-05-18 10:23:42
● 2026-05-30 10:23:08
○ 2026-06-01 06:39:18
● 2026-06-03 07:23:00
○ 2026-07-01 17:40:12
● 2026-07-03 00:25:04
○ 2026-07-10 07:19:06
● 2026-07-15 15:40:18
○ 2026-07-25 14:15:48
● 2026-07-25 17:15:06
● 2026-07-29 15:12:16

○A200.55.140.1882017-06-30 → 2018-12-26 · 4 obs

● 2017-06-30 03:56:50
● 2018-12-26 14:42:38
○ 2021-02-18 05:44:48
○ 2026-07-29 15:12:16

🔍 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
uci.cu	ns2.uci.cu, ns3.uci.cu, ns1.uci.cu	3 records

✅ Authoritative Response

Server:200.55.140.178

NS records: ns2.uci.cu, ns3.uci.cu, ns1.uci.cu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu (unsigned zone)

⏱️ Timing

Total: 312ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`200.55.140.186`
NS	3	`ns3.uci.cu, ns2.uci.cu...`
MX	3	`mx2.uci.cu (pri: 10), mx1.uci.cu (pri: 10)...`
TXT	3	`google-site-verification=x9rWdcr5xRr9Akj, Universidad de las Ciencias Informaticas...`
SOA	1	`ns1.uci.cu postmaster.uci.cu`

📌 Glue Records Collected

Total: 13

In-bailiwick: 6 (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

uci.cu serves as parent to mx1.uci.cu, hab.uci.cu, mx5.uci.cu, ns2.uci.cu, mx4.uci.cu along with a few other host names.

IP Addresses

uci.cu has exactly one IP address — 200.55.140.186.

Name Servers

uci.cu has three name servers — ns1.uci.cu, ns2.uci.cu and ns3.uci.cu.

Each of the three hostnames points to exactly one IP address: ns1.uci.cu points to 200.55.140.178, ns2.uci.cu points to 200.55.140.179 and ns3.uci.cu points to 200.55.140.180.

Mail Servers

uci.cu has three mail servers: mx1.uci.cu, mx2.uci.cu and mx3.uci.cu.

Each of the three hostnames points to exactly one IP address: mx1.uci.cu points to 200.55.140.178, mx2.uci.cu points to 200.55.140.179 and mx3.uci.cu points to 200.55.140.180.