expandstudy.com - dns.ninja
expandstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 162.44.166.31🇺🇸 IMS-HEALTH162.44.166.0/24 IQVIA-Carlstadt | ||||||
| NS | dnsus1.imshealth.com ⭐ | ||||||
| A | 162.44.36.252🇺🇸 AS394138162.44.36.0/22 IQVIA-DCDUR6a | ||||||
| NS | ns1.iqvia.com | ||||||
| A | 162.44.36.252🇺🇸 AS394138162.44.36.0/22 IQVIA-DCDUR6a | ||||||
| NS | ns2.iqvia.com | ||||||
| A | 162.44.36.253🇺🇸 AS394138162.44.36.0/22 IQVIA-DCDUR6a | ||||||
| PTR | ns2.iqvia.com | ||||||
| NS | ns3.iqvia.com | ||||||
| A | 185.76.229.151🇬🇧 Ireland185.76.228.0/22 | ||||||
| PTR | ns3.iqvia.com | ||||||
| NS | ns4.iqvia.com | ||||||
| A | 185.76.229.152🇬🇧 Ireland185.76.228.0/22 | ||||||
| PTR | ns4.iqvia.com | ||||||
| SOA | dnsus1.imshealth.comhostmaster@iqvia.com 2025-02-02 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1785301762 | ||||||
Same first word
expandstudy.com |
DNS History
9 records (6 active, 3 former)
○NSdnsuk.imshealth.com2026-02-24 → 2026-02-24 · 2 obs
○ 2026-07-29 05:18:04
○NSdnsuk2.imshealth.com2026-02-24 → 2026-02-24 · 2 obs
○ 2026-07-29 05:18:04
●NSdnsus1.imshealth.com2026-02-24 → 2026-07-29 · 2 obs
● 2026-07-29 05:18:04
○NSdnsus2.imshealth.com2026-02-24 → 2026-02-24 · 2 obs
○ 2026-07-29 05:18:04
●NSns1.iqvia.com2026-07-22 → 2026-07-29 · 3 obs
● 2026-07-22 12:35:20
● 2026-07-29 05:18:04
●NSns2.iqvia.com2026-07-22 → 2026-07-29 · 3 obs
● 2026-07-22 12:35:20
● 2026-07-29 05:18:04
●NSns3.iqvia.com2026-07-22 → 2026-07-29 · 3 obs
● 2026-07-22 12:35:20
● 2026-07-29 05:18:04
●NSns4.iqvia.com2026-07-22 → 2026-07-29 · 3 obs
● 2026-07-22 12:35:20
● 2026-07-29 05:18:04
●A162.44.166.312026-02-24 → 2026-07-29 · 2 obs
● 2026-07-29 05:18:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | h.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net... | - |
| expandstudy.com | ns1.iqvia.com, ns2.iqvia.com, ns3.iqvia.com, ns4.iqvia.com | 4 records |
✅ Authoritative Response
Server:162.44.36.252
NS records: ns1.iqvia.com, ns2.iqvia.com, ns3.iqvia.com, ns4.iqvia.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for expandstudy.com (unsigned zone)
⏱️ Timing
Total: 331ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 162.44.166.31 |
| NS | 4 | dnsuk.imshealth.com, dnsuk2.imshealth.com... |
| SOA | 1 | ns1.iqvia.com hostmaster.iqvia.com |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.iqvia.com, ns2.iqvia.com, ns3.iqvia.com...)
Analysis
IP Addresses
expandstudy.com points to a single IP number: 162.44.166.31.
Name Servers
Delegation for expandstudy.com is to five name servers: dnsus1.imshealth.com, ns1.iqvia.com, ns2.iqvia.com and two others.
There is at least partial name server overlap between expandstudy.com and other domains — highpointsolutions.com, doctorcloud.org, apuro.com and two more among them.
These name servers regularly appear alongside ns3.iqvia.com, ns4.iqvia.com, dnsuk.imshealth.com and 3 other name servers in NS record sets.
Host names pointing to a single IP address:
dnsus1.imshealth.com directs to 162.44.36.252.
ns1.iqvia.com directs to 162.44.36.252.
ns2.iqvia.com directs to 162.44.36.253.
ns3.iqvia.com directs to 185.76.229.151.
ns4.iqvia.com directs to 185.76.229.152.
Host names pointing to 162.44.36.252 IP addresses: dnsus1.imshealth.com and ns1.iqvia.com.