🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`eris.ucf.cu`

	DNSSEC	⚠️ Not signed
	A	200.55.186.45^{🇨🇺 INFOCOM200.55.176.0/20}

`ucf.cu`

	DNSSEC	⚠️ Not signed
	A	200.55.186.35^{🇨🇺 INFOCOM200.55.176.0/20}
	NS	`atenea.ucf.cu` ⭐
	NS	`urano.ucf.cu`
	MX	`eris.ucf.cu` ⭐
	MX	`pluton.ucf.cu` ⭐
	TXT	`DNS de la Universidad de Cienfuegos`
	TXT	`v=spf1 mx a ip4:200.55.186.45/32 ip4:200.14.50.196/32 -all`
	TXT	`google-site-verification=6TCkGyaIv-NlUXiKBdDcg-SXALNu56yQPFghE6RTA04`
	SOA	`atenea.ucf.cu`adminred@ucf.cu 2025-04-11 #25

PTR for

45.32/28.186.55.200.in-addr.arpa

MX for

ucf.cu

Same first word

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eris.dk

eris.nu

eris.ee

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eris.digital

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Similar names

resi.lt

esri.pt

ires.net

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resi.at

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sier.net

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ries.cn

rise.ae

ries.com.au

seir.im

esri.co

esri.co.id

rise.ac.th

esri.com.gt

sier.sh

seir.us

ries.name

reis.be

rise.io

ersi.co.uk

rise.tech

sire.co.uk

resi.pt

ires.dk

esri.gy

reis.no

iser.co.uk

sier.com.tn

irse.org.in

ires.eu

esir.cn

resi.se

ires.nl

reis.com.tr

seir.net

iser.me

seri.info

esri.ma

esri.ua

seri.nl

rise.exchange

rise.co

esri.tel

rise.barclays

iser.at

ersi.info

eirs.dk

seri.co.it

iesr.co.uk

iesr.com

esri.net.au

sire.com

srie.org

ires.co

esri.bg

srie.biz

resi.co.uk

rise.cc

rise.ws

rsei.org

ries.land

sier.fr

reis.zp.ua

iser.eu

rise.media

ersi.eu

seri.com.sg

resi.care

iser.com

rise.dk

ersi.biz

DNS History

1 record (1 active, 0 former)

●A200.55.186.452026-02-17 → 2026-08-16 · 8 obs

● 2026-02-17 06:00:44
● 2026-03-25 01:27:02
○ 2026-03-25 04:35:00
● 2026-03-27 15:22:30
● 2026-05-22 18:48:50
○ 2026-06-17 14:57:52
● 2026-07-22 20:34:36
● 2026-08-16 16:19:24

🔍 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
ucf.cu	urano.ucf.cu, atenea.ucf.cu	2 records

✅ Authoritative Response

Server:200.14.50.205

NS records: urano.ucf.cu, atenea.ucf.cu

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cu (unsigned zone)

⏱️ Timing

Total: 359ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`200.55.186.45`

📌 Glue Records Collected

Total: 12

In-bailiwick: 5 (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

Mail Server Role

Mail for ucf.cu is routed through the mail server eris.ucf.cu.

pluton.ucf.cu frequently appears as a mail server alongside eris.ucf.cu.

IP Addresses

eris.ucf.cu has exactly one IP address — 200.55.186.45.

Other host names, such as eris.ucf.edu.cu, share IP numbers with eris.ucf.cu.

eris.ucf.cu - robtex.com

eris.ucf.cu

ucf.cu