`cpu.pt`

DNSSEC	⚠️ Not signed
A	185.90.57.238^{🇵🇹 WEBHS185.90.57.0/24}
		PTR	`ws12.softway.pt`
NS	`dns2.net4b.pt` ⭐
		A	194.38.131.18^{🇵🇹 ONI194.38.128.0/19 TELECOM IP Address}
			PTR	`dns2.net4b.pt`
NS	`dns.net4b.pt`
		A	195.245.178.1^{🇵🇹 ONI195.245.128.0/18 TELECOM IP Address}
			PTR	`dns.net4b.pt`
MX	`cpu-pt.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::9^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db7pr03cu00601.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::6^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am4pr0401cu00106.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::f^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00307.inbound.protection.outlook.com`
		A	52.101.68.12^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db9pr02cu00204.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.68.36^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db5pr02cu00104.inbound.protection.outlook.com`
		A	52.101.73.6^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am6pr04cu00306.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com include:_spf.softway.pt -all`
TXT	`MS=ms89217425`
SOA	`dns.net4b.pt`dns-adm@meganet.pt serial=2602231655

`pt`

	DNSSEC	🔒 Signed (DS record present)
	NS	`curiosity.dns.pt` ⭐
	NS	`a.dns.pt`
	NS	`b.dns.pt`
	NS	`c.dns.pt`
	NS	`d.dns.pt`
	NS	`e.dns.pt`
	NS	`g.dns.pt`
	NS	`h.dns.pt`
	NS	`ns.dns.br`
	NS	`ns2.nic.fr`
	SOA	`curiosity.dns.pt`request@dns.pt 2026-07-19 #17

WOT: SAFE (60/100)

Subdomains

webmail.cpu.pt

www.cpu.pt

mail.cpu.pt

Same first word

cpu.blog.br

cpu.vn

cpu.bz

cpu.ba

cpu.lt

cpu.com.tw

cpu.pt

cpu.be

cpu.one

cpu.edu.hk

cpu.edu

cpu.tel

cpu.ee

cpu.co.id

cpu.guru

cpu.at

cpu.edu.ph

cpu.com.cn

cpu.com.au

cpu.fr

cpu.gr

cpu.com

cpu.moe

cpu.gov.mo

cpu.ovh

cpu.center

cpu.ie

cpu.com.my

cpu.ca

cpu.land

cpu.io

cpu.si

cpu.qc.ca

cpu.me

cpu.hu

cpu.org.il

cpu.com.tr

cpu.expert

cpu.uno

cpu.vg

cpu.edu.ec

cpu.sk

cpu.host

cpu.re

cpu.su

cpu.lublin.pl

cpu.us

cpu.ninja

cpu.cl

cpu.mx

cpu.co.uk

cpu.mobi

cpu.rs

cpu.by

cpu.tv

cpu.de

cpu.pl

cpu.com.uy

cpu.co.kr

cpu.services

cpu.careers

cpu.co

cpu.ac.kr

cpu.fi

cpu.org.ba

cpu.rent

cpu.lu

cpu.biz

cpu.nl

cpu.ac.th

cpu.dk

cpu.edu.tw

cpu.red

cpu.kr

cpu.hk

cpu.blue

cpu.am

cpu.cc

cpu.net

cpu.community

cpu.ru

cpu.ro

Similar names

upc.cat

cup.org

cup.life

ucp.net

upc.idv.tw

upc.mk

cup.cat

pcu.com.au

cup.ir

pcu.co.il

puc.show

cup.cn

upc.cz

pcu.ca

pcu.co.nz

puc.es

ucp.com.tw

ucp.plus

ucp.k12.wy.us

ucp.com.hk

upc.cl

cup.ap.it

cup.cafe

puc.network

puc.net

puc.io

cup.no

upc.edu.vn

upc.kr

upc.edu.pe

cup.lt

pcu.org.uy

upc.ie

puc.co.za

ucp.ch

upc.chat

pcu.net

upc.tel

cup.hockey

upc.dz

ucp.lu

upc.co.th

cup.info

puc.com.co

ucp.mobi

puc.us

pcu.co

puc.in

cup.bg

upc.se

cup.me

pcu.com

cup.it

upc.org

upc.lviv.ua

cup.org.pk

puc.org

pcu.ac.kr

pcu.be

upc.co

ucp.canon

puc.ai

upc.sa

pcu.education

cup.dk

cup.su

pcu.org.ua

pcu.cc

cup.cc

cup.cz

upc.edu.co

puc.bz

upc.qc.ca

pcu.dk

ucp.dev

ucp.cn

cup.sakura.ne.jp

cup.edu.ve

upc.uz

cup.com.tw

upc.ch

pcu.net.au

ucp.it

upc.ac.th

upc.at

ucp.cz

ucp.es

upc.in.ua

pcu.jp

ucp.by

upc.edu

pcu.uz

ucp.fr

ucp.edu.pk

cup.com.vn

cup.tips

ucp.in

upc.world

pcu.it

ucp.co

cup.com.ua

ucp.services

upc.com.mx

cup.de

pcu.ps

ucp.com.pt

cup.ru

ucp.ru

upc.com

cup.ac.kr

upc.dk

pcu.com.cn

pcu.nl

cup.team

puc.ir

upc.ee

upc.net

pcu.org.uk

ucp.com

cup.ge

cup.coach

upc.edu.mx

puc.com.tw

pcu.es

cup.ch

puc.asso.fr

ucp.li

pcu.k12.ms.us

upc.tv

puc.ws

puc.me

upc.me

cup.com.hk

upc.com.ua

puc.guru

ucp.cl

ucp.co.uk

pcu.me

ucp.tc

upc.kiev.ua

cup.ie

upc.business

puc.eu

cup.jp

upc.info

upc.si

cup.ac.in

pcu.de

puc.com.br

ucp.gr

pcu.org.pl

pcu.ch

ucp.mx

puc.as

ucp.com.pk

cup.edu.co

puc.co

upc.be

pcu.kr

ucp.eu

DNS History

6 records (4 active, 2 former)

●NSdns.net4b.pt2015-08-28 → 2026-07-19 · 2 obs

● 2015-08-28 16:45:30
● 2026-07-19 08:13:48

●NSdns2.net4b.pt2015-08-28 → 2026-07-19 · 2 obs

● 2015-08-28 16:45:30
● 2026-07-19 08:13:48

●MXcpu-pt.mail.protection.outlook.com2026-03-03 → 2026-07-19 · 3 obs

○ 2017-01-25 08:10:14
● 2026-03-03 09:27:52
● 2026-07-19 08:13:48

○MXmail.cpu.pt2015-08-28 → 2017-01-25 · 4 obs

● 2015-08-28 16:45:30
● 2017-01-25 08:10:14
○ 2026-03-03 09:27:52
○ 2026-07-19 08:13:48

●A185.90.57.2382026-03-03 → 2026-07-19 · 3 obs

○ 2017-01-25 08:10:14
● 2026-03-03 09:27:52
● 2026-07-19 08:13:48

○A213.58.162.92015-08-28 → 2017-01-25 · 4 obs

● 2015-08-28 16:45:30
● 2017-01-25 08:10:14
○ 2026-03-03 09:27:52
○ 2026-07-19 08:13:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pt	a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt...	-
cpu.pt	dns2.net4b.pt, dns.net4b.pt	-

✅ Authoritative Response

Server:194.38.131.18

NS records: dns2.net4b.pt, dns.net4b.pt

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cpu.pt (unsigned zone)

⏱️ Timing

Total: 1066ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.90.57.238`
NS	2	`dns.net4b.pt, dns2.net4b.pt`
MX	1	`cpu-pt.mail.protection.outlook.com (pri:`
TXT	2	`v=spf1 include:spf.protection.outlook.co, MS=ms89217425`
SOA	1	`dns.net4b.pt dns-adm.meganet.pt`

Analysis

Hierarchy

webmail.cpu.pt, www.cpu.pt and mail.cpu.pt each fall under the parent domain cpu.pt.

IP Addresses

cpu.pt has exactly one IP address — 185.90.57.238.

adelaidetributa.com, fattuna.com, amorimturismo.pt plus two other host names have IP numbers in common with cpu.pt.

Name Servers

Two name servers handle the delegation for cpu.pt: dns2.net4b.pt and dns.net4b.pt.

The name server configuration of cpu.pt is shared with other domains, for instance grafopel.pt, 180.58.213.in-addr.arpa, 234.26.89.in-addr.arpa and two others.

cpu.pt partially shares its NS delegation with several other domains, including 16.58.213.in-addr.arpa, 140.38.194.in-addr.arpa, 143.245.195.in-addr.arpa and two others.

These name servers are regularly seen alongside dns2.meganet.pt and dns.meganet.pt as name servers.

dns2.net4b.pt resolves to 194.38.131.18. dns.net4b.pt resolves to 195.245.178.1. Both host names point to a single IP number.

Mail Servers

cpu.pt uses one mail server — cpu-pt.mail.protection.outlook.com.

cpu-pt.mail.protection.outlook.com has 8 IP addresses: 52.101.68.12, 52.101.68.29, 52.101.68.36 plus 5 more.

cpu.pt - dns.ninja

cpu.pt

pt