studyweb4.phtstudy.com - dns.ninja
studyweb4.phtstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 66.151.224.116🇺🇸 AS1474266.151.224.0/20 PNAP-BSN Internap | ||||||
phtstudy.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.97.74.17🇺🇸 COGENT38.0.0.0/8 Cogent | ||||||
| NS | ertns01.ert.com ⭐ | ||||||
| NS | ertns02.ert.com | ||||||
| MX | aspmx.l.google.com ⭐ | ||||||
| MX | alt1.aspmx.l.google.com(5) | ||||||
| MX | alt2.aspmx.l.google.com(5) | ||||||
| MX | aspmx2.googlemail.com(10) | ||||||
| MX | aspmx3.googlemail.com(10) | ||||||
| MX | hodsmtp01.phtcorp.com(900) | ||||||
| MX | smtp1.ert.com(900) | ||||||
| MX | smtp2.ert.com(900) | ||||||
| TXT | google-site-verification=hNoRlsyDrgDKHJSmojmk9UWXprguymtyCfB6qIKX0Ok | ||||||
| TXT | v=spf1 mx ip4:205.220.181.246 ip4:205.220.170.136 ip4:148.163.151.99 ip4:148.... | ||||||
| SOA | ertns01.ert.comhostmaster@ert.com 2026-07-21 #1 | ||||||
DNS History
1 record (1 active, 0 former)
●A66.151.224.1162015-07-06 → 2026-07-26 · 2 obs
● 2015-07-06 17:52:12
● 2026-07-26 04:59:46
● 2026-07-26 04:59:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| phtstudy.com | ertns01.ert.com, ertns02.ert.com | 2 records |
✅ Authoritative Response
Server:12.149.45.222
NS records: ertns01.ert.com, ertns02.ert.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for phtstudy.com (unsigned zone)
⏱️ Timing
Total: 114ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 66.151.224.116 |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ertns01.ert.com, ertns02.ert.com)
Analysis
IP Addresses
studyweb4.phtstudy.com resolves to one IP address: 66.151.224.116.
merckmk0524a015.phtstudy.com, hra22287b.phtstudy.com, rinatrn624cl001.phtstudy.com and two other host names share IP numbers with studyweb4.phtstudy.com.