`isel.pt`

DNSSEC	⚠️ Not signed
A	192.68.221.35^{🇵🇹 RCCN192.68.221.0/24 IPLNet-PI-2}
		PTR	`isel1-35.iplnet.local`
NS	`xms001.isel.priv` ⭐ ⚠️ Not in parent delegation
NS	`ad2.isel.priv` ⚠️ Not in parent delegation
NS	`ad4.isel.priv` ⚠️ Not in parent delegation
NS	`ns1.net.ipl.pt`
		A	2001:690:2008::100:1001^{🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network}
			PTR	`ns1.net.ipl.pt`
		A	192.104.48.16^{🇵🇹 RCCN192.104.48.0/24 IPLNet-PI-1}
			PTR	`ns1.net.ipl.pt`
NS	`ns2.net.ipl.pt`
		A	2001:690:2008::100:1002^{🇵🇹 RCCN2001:690::/32 The Portuguese National Research & Education Network}
			PTR	`ns2.net.ipl.pt`
		A	192.104.48.17^{🇵🇹 RCCN192.104.48.0/24 IPLNet-PI-1}
			PTR	`ns2.net.ipl.pt`
NS	`xms004.isel.priv` ⚠️ Not in parent delegation
NS	`xms008.isel.priv` ⚠️ Not in parent delegation
MX	`isel-pt.mail.eo.outlook.com` ⭐
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::7^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00307.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::c^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00304.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	52.101.68.3^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00403.inbound.protection.outlook.com`
		A	52.101.68.39^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db7pr03cu00607.inbound.protection.outlook.com`
		A	52.101.73.12^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am4pr0401cu00104.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`xms001.isel.priv`@ 2019-04-27 #14

`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` ⚠️ Not in parent delegation
	NS	`ns2.nic.fr` ⚠️ Not in parent delegation
	SOA	`curiosity.dns.pt`request@dns.pt 2026-07-11 #27

rank #407362 globally
rank #757 in the tld
WOT: SAFE (69/100)
📈 Tranco rank: #375,551

Subdomains

nagios.isel.pt

adm.isel.pt

moodle.isel.pt

webmail.isel.pt

mail.isel.pt

pop.isel.pt

2526moodle.isel.pt

moodle-historico.isel.pt

helpdesk.isel.pt

www.isel.pt

Same first word

isel.net.cn

isel.fr

isel.com

isel.at

isel.ie

isel.co

isel.mx

isel.cl

isel.tw

isel.pl

isel.in

isel.de

isel.by

isel.edu.pl

isel.co.uk

isel.tech

isel.pt

isel.dk

isel.com.br

isel.org

isel.net

isel.edu.ar

isel.eu

isel.hu

isel.online

isel.com.mx

isel.co.jp

isel.it

isel.no

isel.ca

isel.us

Similar names

lesi.fr

lise.nl

isle.ru

elis.edu.vn

seil.eu

sile.ru

iles.be

isle.plus

ilse.dk

slei.de

slei.org

lise.fr

lies.ca

eisl.ie

lies.cn

seil.biz

ilse.today

iles.cloud

sile.org

siel.ca

elis.com.pl

elsi.eu

isle.studio

esli.be

lies.ch

isle.com.au

esil.de

lise.edu.cn

sile.cn

isle.okinawa

eisl.at

isle.nz

lies.eu

seil.de

iles.co.kr

ilse.com

seli.tn

elis.sk

elis.com.tr

siel.hu

leis.es

eisl.ro

iles.vg

isle.org.cn

seil.com

siel.cl

isle.expert

esli.de

elis.eu

lesi.sk

siel.energy

leis.co

seil.net

elis.be

elsi.lv

lsei.de

ilse.fr

eils.group

esil.in

lise.es

eisl.co.kr

sile.in

siel.kasserver.com

sile.pl

siel.in

leis.org

siel.de

seil.co.kr

isle.eu

iesl.cn

elsi.online

elis.it

ilse.info

leis.cz

seli.ch

elis.ee

iesl.net

esil.pl

slei.com

iels.com.au

isle.ne.jp

iesl.com

iles.com.tr

eisl.de

lise.net

elis.fr

elis.net

elis.ba

iels.gov.sg

sile.sg

elsi.de

siel.biz

lies.tv

lies.se

DNS History

14 records (9 active, 5 former)

●NSad2.isel.priv2026-02-22 → 2026-07-11 · 3 obs

○ 2021-05-19 01:49:24
● 2026-02-22 14:40:22
● 2026-07-11 13:50:08

●NSad4.isel.priv2026-02-22 → 2026-07-11 · 3 obs

○ 2021-05-19 01:49:24
● 2026-02-22 14:40:22
● 2026-07-11 13:50:08

●NSns1.net.ipl.pt2015-07-24 → 2026-07-11 · 6 obs

● 2015-07-24 18:49:04
● 2016-02-16 14:10:02
○ 2016-03-26 11:17:02
○ 2021-05-19 01:49:24
● 2026-02-22 14:40:22
● 2026-07-11 13:50:08

○NSns1pa.net.ipl.pt2016-03-26 → 2021-05-19 · 5 obs

○ 2016-02-16 14:10:02
● 2016-03-26 11:17:02
● 2021-05-19 01:49:24
○ 2026-02-22 14:40:22
○ 2026-07-11 13:50:08

○NSns1pi.net.ipl.pt2016-03-26 → 2021-05-19 · 5 obs

○ 2016-02-16 14:10:02
● 2016-03-26 11:17:02
● 2021-05-19 01:49:24
○ 2026-02-22 14:40:22
○ 2026-07-11 13:50:08

●NSns2.net.ipl.pt2015-07-24 → 2026-07-11 · 6 obs

● 2015-07-24 18:49:04
● 2016-02-16 14:10:02
○ 2016-03-26 11:17:02
○ 2021-05-19 01:49:24
● 2026-02-22 14:40:22
● 2026-07-11 13:50:08

○NSns2pa.net.ipl.pt2016-03-26 → 2021-05-19 · 5 obs

○ 2016-02-16 14:10:02
● 2016-03-26 11:17:02
● 2021-05-19 01:49:24
○ 2026-02-22 14:40:22
○ 2026-07-11 13:50:08

○NSns2pi.net.ipl.pt2016-03-26 → 2021-05-19 · 5 obs

○ 2016-02-16 14:10:02
● 2016-03-26 11:17:02
● 2021-05-19 01:49:24
○ 2026-02-22 14:40:22
○ 2026-07-11 13:50:08

●NSxms001.isel.priv2026-02-22 → 2026-07-11 · 3 obs

○ 2021-05-19 01:49:24
● 2026-02-22 14:40:22
● 2026-07-11 13:50:08

●NSxms004.isel.priv2026-02-22 → 2026-07-11 · 3 obs

○ 2021-05-19 01:49:24
● 2026-02-22 14:40:22
● 2026-07-11 13:50:08

●NSxms008.isel.priv2026-02-22 → 2026-07-11 · 3 obs

○ 2021-05-19 01:49:24
● 2026-02-22 14:40:22
● 2026-07-11 13:50:08

●MXisel-pt.mail.eo.outlook.com2015-07-24 → 2026-07-11 · 2 obs

● 2015-07-24 18:49:04
● 2026-07-11 13:50:08

●A192.68.221.352015-07-24 → 2026-07-11 · 2 obs

● 2015-07-24 18:49:04
● 2026-07-11 13:50:08

○A193.137.100.02021-05-19 → 2021-05-19 · 4 obs

○ 2015-07-24 18:49:04
● 2021-05-19 01:49:24
○ 2026-02-22 14:40:22
○ 2026-07-11 13:50:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pt	a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt...	-
isel.pt	ns2.net.ipl.pt, ns1.net.ipl.pt	4 records

✅ Authoritative Response

Server:192.104.48.17

NS records: ns2.net.ipl.pt, ns1.net.ipl.pt

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for isel.pt (unsigned zone)

⏱️ Timing

Total: 695ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.68.221.35`
NS	7	`ns2.net.ipl.pt, xms004.isel.priv...`
MX	1	`isel-pt.mail.eo.outlook.com (pri: 10)`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`xms001.isel.priv .`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns2.net.ipl.pt, ns1.net.ipl.pt, ns2.net.ipl.pt...)

Analysis

Hierarchy

isel.pt is the parent domain of nagios.isel.pt, adm.isel.pt, moodle.isel.pt, webmail.isel.pt, mail.isel.pt and a few other host names.

IP Addresses

isel.pt points to a single IP number: 192.68.221.35.

www.isel.pt is an example of another host name that shares IP numbers with isel.pt.

Name Servers

isel.pt has 7 name servers — ad2.isel.priv, ad4.isel.priv, xms001.isel.priv and 4 others.

isel.pt shares at least some of its name servers with other domains, including 194.210.194.in-addr.arpa, 221.68.192.in-addr.arpa, 187.210.194.in-addr.arpa and two others.

These name servers are frequently seen alongside ns1.net.ipl.pt, ns2.net.ipl.pt, rns1.net.ipl.pt and 7 other name servers.

Both ns1.net.ipl.pt and ns2.net.ipl.pt have two IP addresses each. ns1.net.ipl.pt resolves to 192.104.48.16 and 2001:690:2008::100:1001; ns2.net.ipl.pt resolves to 192.104.48.17 and 2001:690:2008::100:1002.

Mail Servers

isel.pt has one mail server: isel-pt.mail.eo.outlook.com.

isel-pt.mail.eo.outlook.com points to 8 IP numbers: 52.101.68.3, 52.101.68.39, 52.101.73.12 and 5 other.

isel.pt - robtex.com

isel.pt

pt

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

Mail Servers

`isel.pt`

`pt`