pt - robtex.com
pt
(root)
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.root-servers.net ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | c.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | d.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | e.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | f.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | g.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | h.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | i.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | j.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | k.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | l.root-servers.net ⚠️ Not in parent delegation | ||||||
| NS | m.root-servers.net ⚠️ Not in parent delegation | ||||||
| SOA | a.root-servers.netnstld@verisign-grs.com 2026-04-23 #1 | ||||||
PTR for
MX for
Subdomains
Same first word
Similar names
DNS History
17 records (10 active, 7 former)
●NSa.dns.pt2015-09-03 → 2026-04-24 · 6 obs
● 2015-09-21 13:39:08
○ 2015-09-22 15:00:28
○ 2015-11-28 05:58:42
● 2015-11-29 23:31:10
● 2026-04-24 04:51:46
○NSauth200.ns.uu.net2015-09-03 → 2015-09-21 · 4 obs
● 2015-09-21 13:39:08
○ 2015-09-22 15:00:28
○ 2026-04-24 04:51:46
○NSauth210.ns.uu.net2015-09-03 → 2015-09-21 · 4 obs
● 2015-09-21 13:39:08
○ 2015-09-22 15:00:28
○ 2026-04-24 04:51:46
●NSb.dns.pt2015-09-15 → 2026-04-24 · 3 obs
● 2015-09-15 15:26:48
● 2026-04-24 04:51:46
●NSc.dns.pt2015-09-15 → 2026-04-24 · 6 obs
● 2015-09-15 17:44:58
● 2016-04-13 13:33:02
○ 2016-04-14 19:03:30
● 2021-11-01 06:30:58
● 2026-04-24 04:51:46
●NScuriosity.dns.pt2015-09-03 → 2026-04-24 · 6 obs
● 2016-04-07 12:31:52
○ 2016-04-11 12:10:34
○ 2016-04-13 13:33:02
● 2016-04-14 19:03:30
● 2026-04-24 04:51:46
●NSd.dns.pt2017-01-30 → 2026-04-24 · 3 obs
● 2017-01-30 12:53:26
● 2026-04-24 04:51:46
●NSe.dns.pt2016-02-08 → 2026-04-24 · 3 obs
● 2016-02-08 12:20:16
● 2026-04-24 04:51:46
○NSf.dns.pt2018-07-18 → 2020-09-11 · 5 obs
● 2018-07-18 16:44:40
● 2020-09-11 12:32:32
○ 2020-09-26 02:36:12
○ 2026-04-24 04:51:46
●NSg.dns.pt2018-08-07 → 2026-04-24 · 3 obs
● 2018-08-07 13:45:36
● 2026-04-24 04:51:46
●NSh.dns.pt2020-01-20 → 2026-04-24 · 3 obs
● 2020-01-20 17:58:12
● 2026-04-24 04:51:46
○NSns-pt.nlnetlabs.nl2015-09-03 → 2015-09-21 · 4 obs
● 2015-09-21 13:39:08
○ 2015-09-22 15:00:28
○ 2026-04-24 04:51:46
○NSns.dns.pt2015-09-03 → 2016-04-07 · 4 obs
● 2016-04-07 12:31:52
○ 2016-04-11 12:10:34
○ 2026-04-24 04:51:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | a.dns.pt, c.dns.pt, e.dns.pt, h.dns.pt... | - |
✅ Authoritative Response
Server:193.136.2.226
NS records: a.dns.pt, c.dns.pt, e.dns.pt, h.dns.pt, d.dns.pt, b.dns.pt, g.dns.pt
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 463ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 9 | ns.dns.br, d.dns.pt... |
| SOA | 1 | curiosity.dns.pt request.dns.pt |
Analysis
Hierarchy
pt is a parent of menexpert.pt, arlito.pt, humor.pt, casadefontes.pt, cisterpor.pt and tens of thousands of other host names.
Mail Server Role
pt handles mail for hd4fans.org.
www is a mail server commonly used with pt.
Name Servers
pt is delegated to ten name servers: ns.dns.br, ns2.nic.fr, a.dns.pt, b.dns.pt, c.dns.pt, curiosity.dns.pt, d.dns.pt, e.dns.pt, g.dns.pt and h.dns.pt.
pt at least partially shares name servers with other domains, for example com.gh, 111.254.194.in-addr.arpa, igf2015.br, univ-lemans.fr and 65.70.192.in-addr.arpa.
these name servers are commonly used with the following name servers: ns2.dns.br, ns1.nic.fr, ns3.nic.fr, dnsmaster.nic.fr, a.lactld.org, ssdns-tld.nic.cl, dns-ext.nic.cr, ns1.nic.pa, ns2.nic.pa and ns.nic.pa.
Host names with two IPs
ns.dns.br points to 2001:12ff:0:a20::5 and 200.160.0.5
ns2.nic.fr points to 2001:660:3005:1::1:2 and 192.93.0.4
a.dns.pt points to 2a04:6d80::1 and 185.39.208.1
b.dns.pt points to 2001:678:20::23 and 194.0.25.23
c.dns.pt points to 2001:500:14:6105:ad::1 and 204.61.216.105
d.dns.pt points to 2a04:6d82::1 and 185.39.210.1
e.dns.pt points to 2001:690:a00:4001::64 and 193.136.192.64
g.dns.pt points to 2001:690:a80:4001::100 and 193.136.2.226
Host names with one IP
h.dns.pt points to 2001:67c:1010:35::53