nielsen.pt - robtex.com
nielsen.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 2026-04-12 #6 | ||||||
Same first word
Similar names
DNS History
8 records (7 active, 1 former)
●NSpdns1.ultradns.net2015-07-15 → 2026-04-12 · 2 obs
● 2026-04-12 03:15:28
●NSpdns2.ultradns.net2015-07-15 → 2026-04-12 · 2 obs
● 2026-04-12 03:15:28
●NSpdns3.ultradns.org2015-07-15 → 2026-04-12 · 2 obs
● 2026-04-12 03:15:28
●NSpdns4.ultradns.org2015-07-15 → 2026-04-12 · 2 obs
● 2026-04-12 03:15:28
●NSpdns5.ultradns.info2015-07-15 → 2026-04-12 · 2 obs
● 2026-04-12 03:15:28
●NSpdns6.ultradns.co.uk2015-07-15 → 2026-04-12 · 2 obs
● 2026-04-12 03:15:28
○A138.108.20.1222015-07-15 → 2017-09-10 · 4 obs
● 2017-09-10 12:17:38
○ 2021-10-20 09:14:48
○ 2026-04-12 03:15:28
●A138.108.26.2472021-10-20 → 2026-04-12 · 3 obs
● 2021-10-20 09:14:48
● 2026-04-12 03:15:28
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pt | a.dns.pt, b.dns.pt, c.dns.pt, d.dns.pt... | 18 records |
| nielsen.pt | pdns2.ultradns.net, pdns5.ultradns.info, pdns4.ultradns.org, pdns1.ultradns.net... | - |
✅ Authoritative Response
Server:204.74.108.1
NS records: pdns2.ultradns.net, pdns5.ultradns.info, pdns4.ultradns.org, pdns1.ultradns.net, pdns6.ultradns.co.uk, pdns3.ultradns.org
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nielsen.pt (unsigned zone)
⏱️ Timing
Total: 884ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 138.108.26.247 |
| NS | 6 | pdns1.ultradns.net, pdns2.ultradns.net... |
| MX | 1 | . (pri: 0) |
| TXT | 1 | v=spf1 redirect=parked.nielsenmedia.com |
| SOA | 1 | pdns1.ultradns.net dnsadmin.nielsen.com |
📌 Glue Records Collected
Total: 18
In-bailiwick: 14 (a.dns.pt, b.dns.pt, c.dns.pt...)
Out-of-bailiwick: 4 (ns.dns.br, ns2.nic.fr, ns.dns.br...)
Analysis
IP Addresses
nielsen.pt points to a single IP address: 138.108.26.247.
Other host names such as acnielsenconsumersights.net, consumer-insight.net, acnconsumerinsights.net, sg.nielsen.com and atlantaconsumerinsights.com share IP numbers with nielsen.pt.
Name Servers
nielsen.pt is delegated to six name servers: pdns5.ultradns.info, pdns1.ultradns.net, pdns2.ultradns.net, pdns3.ultradns.org, pdns4.ultradns.org and pdns6.ultradns.co.uk.
At least part of the name servers for nielsen.pt are shared with other domains, for instance how-oes-works.eu, rrchristian.com, expedia-france.fr, dentallect.be and 1.a.3.9.0.8.1.0.f.1.0.2.b.0.0.0.0.0.a.a.3.6.3.2.0.0.0.9.0.0.6.2.ip6.arpa.
These name servers are commonly used with udns1.ultradns.net, udns2.ultradns.net, ns1.netbcp.com and ns2.netbcp.net.
Host pdns5.ultradns.info points to: 2610:a1:1016::1 and 204.74.114.1.
Host pdns1.ultradns.net points to: 2001:502:f3ff::1 and 204.74.108.1.
Host pdns2.ultradns.net points to: 2610:a1:1014::1 and 204.74.109.1.
Host pdns3.ultradns.org points to: 2610:a1:1015::1 and 199.7.68.1.
Host pdns4.ultradns.org points to: 2001:502:4612::1 and 199.7.69.1.
Host pdns6.ultradns.co.uk points to: 2610:a1:1017::1 and 204.74.115.1.