isel.pt - robtex.com
isel.pt
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.ptrequest@dns.pt 2026-03-04 #11 | ||||||
rank #920 in the tld
WOT: SAFE (69/100)
📈 Tranco rank: #431,026
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
Similar names
DNS History
14 records (9 active, 5 former)
●NSad2.isel.priv2026-02-22 → 2026-03-04 · 3 obs
● 2026-02-22 14:40:22
● 2026-03-04 19:31:16
●NSad4.isel.priv2026-02-22 → 2026-03-04 · 3 obs
● 2026-02-22 14:40:22
● 2026-03-04 19:31:16
●NSns1.net.ipl.pt2015-07-24 → 2026-03-04 · 6 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
● 2026-03-04 19:31:16
○NSns1pa.net.ipl.pt2016-03-26 → 2021-05-19 · 5 obs
● 2016-03-26 11:17:02
● 2021-05-19 01:49:24
○ 2026-02-22 14:40:22
○ 2026-03-04 19:31:16
○NSns1pi.net.ipl.pt2016-03-26 → 2021-05-19 · 5 obs
● 2016-03-26 11:17:02
● 2021-05-19 01:49:24
○ 2026-02-22 14:40:22
○ 2026-03-04 19:31:16
●NSns2.net.ipl.pt2015-07-24 → 2026-03-04 · 6 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
● 2026-03-04 19:31:16
○NSns2pa.net.ipl.pt2016-03-26 → 2021-05-19 · 5 obs
● 2016-03-26 11:17:02
● 2021-05-19 01:49:24
○ 2026-02-22 14:40:22
○ 2026-03-04 19:31:16
○NSns2pi.net.ipl.pt2016-03-26 → 2021-05-19 · 5 obs
● 2016-03-26 11:17:02
● 2021-05-19 01:49:24
○ 2026-02-22 14:40:22
○ 2026-03-04 19:31:16
●NSxms001.isel.priv2026-02-22 → 2026-03-04 · 3 obs
● 2026-02-22 14:40:22
● 2026-03-04 19:31:16
●NSxms004.isel.priv2026-02-22 → 2026-03-04 · 3 obs
● 2026-02-22 14:40:22
● 2026-03-04 19:31:16
●NSxms008.isel.priv2026-02-22 → 2026-03-04 · 3 obs
● 2026-02-22 14:40:22
● 2026-03-04 19:31:16
●MXisel-pt.mail.eo.outlook.com2015-07-24 → 2026-03-04 · 2 obs
● 2026-03-04 19:31:16
●A192.68.221.352015-07-24 → 2026-03-04 · 2 obs
● 2026-03-04 19:31:16
○A193.137.100.02021-05-19 → 2021-05-19 · 4 obs
● 2021-05-19 01:49:24
○ 2026-02-22 14:40:22
○ 2026-03-04 19:31:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt... | - |
| isel.pt | ns1.net.ipl.pt, ns2.net.ipl.pt | 4 records |
✅ Authoritative Response
Server: 192.104.48.16
NS records: ns1.net.ipl.pt, ns2.net.ipl.pt
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for isel.pt (unsigned zone)
⏱️ Timing
Total: 705ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 192.68.221.35 |
| NS | 7 | xms004.isel.priv, xms008.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 (ns1.net.ipl.pt, ns2.net.ipl.pt, ns1.net.ipl.pt...)
Analysis
Hierarchy
isel.pt is a parent of nagios.isel.pt, adm.isel.pt, moodle.isel.pt, webmail.isel.pt, mail.isel.pt and several other host names.
IP Addresses
isel.pt points to a single IP number: 192.68.221.35.
Other host names, for instance www.isel.pt, share IP numbers with isel.pt.
Name Servers
isel.pt is delegated to seven name servers: ad2.isel.priv, ad4.isel.priv, xms001.isel.priv, xms004.isel.priv, xms008.isel.priv, ns1.net.ipl.pt and ns2.net.ipl.pt.
isel.pt at least partially shares name servers with other domains, for instance 194.210.194.in-addr.arpa, 221.68.192.in-addr.arpa, 185.210.194.in-addr.arpa, 189.210.194.in-addr.arpa and 100.137.193.in-addr.arpa.
These name servers are commonly used with ns1pa.net.ipl.pt, rns1.net.ipl.pt, rns2.net.ipl.pt, ns1pi.net.ipl.pt, ns2pa.net.ipl.pt, ns2pi.net.ipl.pt, ns3.net.ipl.pt and ns4.net.ipl.pt.
Host names with two IP numbers:
ns1.net.ipl.pt points to 2001:690:2008::100:1001 and 192.104.48.16
ns2.net.ipl.pt points to 2001:690:2008::100:1002 and 192.104.48.17
Mail Servers
isel.pt is handled by a single mail server, isel-pt.mail.eo.outlook.com.
Host name isel-pt.mail.eo.outlook.com points to eight IP numbers: 2a01:111:f403:ca04::, 2a01:111:f403:ca04::c, 2a01:111:f403:ca04::d, 2a01:111:f403:ca09::1, 52.101.68.29, 52.101.73.8, 52.101.73.16 and 52.101.73.26.