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 2026-10-04 #1 | ||||||
MX for
Subdomains
Same first word
Similar names
Next names
DNS History
17 records (10 active, 7 former)
●NSa.dns.pt2015-09-03 → 2026-10-04 · 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
● 2026-10-04 18:16:10
○NSauth200.ns.uu.net2015-09-03 → 2015-09-21 · 4 obs
● 2015-09-21 13:39:08
○ 2015-09-22 15:00:28
○ 2026-10-04 18:16:10
○NSauth210.ns.uu.net2015-09-03 → 2015-09-21 · 4 obs
● 2015-09-21 13:39:08
○ 2015-09-22 15:00:28
○ 2026-10-04 18:16:10
●NSb.dns.pt2015-09-15 → 2026-10-04 · 3 obs
● 2015-09-15 15:26:48
● 2026-10-04 18:16:10
●NSc.dns.pt2015-09-15 → 2026-10-04 · 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
● 2026-10-04 18:16:10
●NScuriosity.dns.pt2015-09-03 → 2026-10-04 · 21 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
● 2021-11-01 06:30:58
○ 2026-07-07 09:53:06
● 2026-07-07 11:41:06
○ 2026-07-28 23:31:02
● 2026-07-29 00:27:02
○ 2026-08-18 08:28:38
● 2026-08-18 09:16:20
○ 2026-08-19 09:41:20
● 2026-08-19 10:36:40
○ 2026-08-19 14:23:42
● 2026-08-19 15:06:08
○ 2026-09-19 12:16:30
● 2026-09-19 13:05:02
○ 2026-09-23 12:02:52
● 2026-09-23 13:17:02
● 2026-10-04 18:16:10
●NSd.dns.pt2017-01-30 → 2026-10-04 · 3 obs
● 2017-01-30 12:53:26
● 2026-10-04 18:16:10
●NSe.dns.pt2016-02-08 → 2026-10-04 · 3 obs
● 2016-02-08 12:20:16
● 2026-10-04 18:16:10
○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
○ 2026-10-04 18:16:10
●NSg.dns.pt2018-08-07 → 2026-10-04 · 3 obs
● 2018-08-07 13:45:36
● 2026-10-04 18:16:10
●NSh.dns.pt2020-01-20 → 2026-10-04 · 3 obs
● 2020-01-20 17:58:12
● 2026-10-04 18:16:10
○NSns-pt.nlnetlabs.nl2015-09-03 → 2015-09-21 · 4 obs
● 2015-09-21 13:39:08
○ 2015-09-22 15:00:28
○ 2026-10-04 18:16:10
●NSns.dns.br2015-09-03 → 2026-10-04 · 11 obs
● 2021-11-01 06:30:58
○ 2026-07-28 23:31:02
● 2026-07-29 00:27:02
○ 2026-08-19 09:41:20
● 2026-08-19 10:36:40
○ 2026-08-19 14:23:42
● 2026-08-19 15:06:08
○ 2026-09-19 12:16:30
● 2026-09-19 13:05:02
● 2026-10-04 18:16:10
○NSns.dns.pt2015-09-03 → 2016-04-07 · 4 obs
● 2016-04-07 12:31:52
○ 2016-04-11 12:10:34
○ 2026-10-04 18:16:10
○NSns2.dns.pt2015-09-03 → 2018-07-31 · 4 obs
● 2018-07-31 00:12:34
○ 2018-08-07 13:45:36
○ 2026-10-04 18:16:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | e.dns.pt, ns2.nic.fr, g.dns.pt, a.dns.pt... | 15 records |
✅ Authoritative Response
Server:194.0.25.23
NS records: e.dns.pt, ns2.nic.fr, g.dns.pt, a.dns.pt, b.dns.pt, d.dns.pt, ns.dns.br, c.dns.pt, h.dns.pt
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 679ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 9 | a.dns.pt, c.dns.pt... |
| SOA | 1 | curiosity.dns.pt request.dns.pt |
📌 Glue Records Collected
Total: 15
In-bailiwick: 13 (a.dns.pt, b.dns.pt, c.dns.pt...)
Out-of-bailiwick: 2 (ns2.nic.fr, ns.dns.br)
Analysis
Hierarchy
mesaosat.pt, jardinsdotejo.pt, vamosconstruir.pt, montelusa.pt and lareina.pt are among the hundreds of thousands of host names that fall under the parent domain pt.
Mail Server Role
pt handles mail for both tabi.mydns.jp and hd4fans.org.
nc, rec and www are frequently seen as mail servers alongside pt.
Name Servers
pt has 10 name servers — ns.dns.br, ns2.nic.fr, a.dns.pt and 7 others.
pt shares at least some of its name servers with other domains, including com.gh, igf2015.br, univ-lemans.fr and two others.
These name servers are frequently seen alongside ns2.dns.br, ns1.nic.fr, ns3.nic.fr and 7 other name servers.
Host names that have two IP addresses:
ns.dns.br resolves to 200.160.0.5 and 2001:12ff:0:a20::5.
ns2.nic.fr resolves to 192.93.0.4 and 2001:660:3005:1::1:2.
b.dns.pt resolves to 194.0.25.23 and 2001:678:20::23.
c.dns.pt resolves to 204.61.216.105 and 2001:500:14:6105:ad::1.
g.dns.pt resolves to 193.136.2.226 and 2001:690:a80:4001::100.
Host names that point to one IP address:
a.dns.pt resolves to 185.39.208.1.
Host names that have two IP addresses:
e.dns.pt resolves to 193.136.192.64 and 2001:690:a00:4001::64.
h.dns.pt resolves to 194.146.106.138 and 2001:67c:1010:35::53.