sentinel-rx.com - robtex.com
sentinel-rx.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ofl-ddi-hdns-01.centene.com ⭐ | ||||||
| A | 10.4.100.15 | ||||||
| NS | ns11.centene.com | ||||||
| A | 204.107.62.125🇺🇸 AS36092204.107.62.0/24 | ||||||
| PTR | ns11.centene.com | ||||||
| NS | ns13.centene.com | ||||||
| A | 167.238.18.125🇺🇸 AS36092167.238.18.0/23 Akamai Technologies, Inc | ||||||
| PTR | ns13.centene.com | ||||||
| NS | ns21.centene.com | ||||||
| A | 167.238.50.21🇺🇸 AS36092167.238.50.0/24 Akamai technologies | ||||||
| PTR | ns21.centene.com | ||||||
| NS | ns22.centene.com | ||||||
| A | 167.238.58.22🇺🇸 AS36092167.238.58.0/24 Akamai Technologies, Inc. | ||||||
| PTR | ns22.centene.com | ||||||
| SOA | ofl-ddi-hdns-01.centene.comit-core-network@centene.com serial=2 | ||||||
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=1784180902 | ||||||
Same first word
DNS History
10 records (5 active, 5 former)
●NSns11.centene.com2026-06-27 → 2026-07-16 · 3 obs
● 2026-06-27 04:07:32
● 2026-07-16 06:14:32
●NSns13.centene.com2026-06-27 → 2026-07-16 · 3 obs
● 2026-06-27 04:07:32
● 2026-07-16 06:14:32
●NSns21.centene.com2026-06-27 → 2026-07-16 · 3 obs
● 2026-06-27 04:07:32
● 2026-07-16 06:14:32
●NSns22.centene.com2026-06-27 → 2026-07-16 · 3 obs
● 2026-06-27 04:07:32
● 2026-07-16 06:14:32
○NSns51.domaincontrol.com2016-12-17 → 2017-09-15 · 4 obs
● 2017-09-15 10:12:56
○ 2026-06-27 04:07:32
○ 2026-07-16 06:14:32
○NSns52.domaincontrol.com2016-12-17 → 2017-09-15 · 4 obs
● 2017-09-15 10:12:56
○ 2026-06-27 04:07:32
○ 2026-07-16 06:14:32
●NSofl-ddi-hdns-01.centene.com2026-06-27 → 2026-07-16 · 3 obs
● 2026-06-27 04:07:32
● 2026-07-16 06:14:32
○MXmailstore1.secureserver.net2016-12-17 → 2017-09-15 · 4 obs
● 2017-09-15 10:12:56
○ 2026-06-27 04:07:32
○ 2026-07-16 06:14:32
○MXsmtp.secureserver.net2016-12-17 → 2017-09-15 · 4 obs
● 2017-09-15 10:12:56
○ 2026-06-27 04:07:32
○ 2026-07-16 06:14:32
○A50.63.202.602016-12-17 → 2017-09-15 · 4 obs
● 2017-09-15 10:12:56
○ 2026-06-27 04:07:32
○ 2026-07-16 06:14:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| sentinel-rx.com | ns11.centene.com, ns13.centene.com, ns21.centene.com, ns22.centene.com | 4 records |
✅ Authoritative Response
Server:204.107.62.125
NS records: ns11.centene.com, ns13.centene.com, ns21.centene.com, ns22.centene.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sentinel-rx.com (unsigned zone)
⏱️ Timing
Total: 255ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns21.centene.com, ns13.centene.com... |
| SOA | 1 | ofl-ddi-hdns-01.centene.com it-core-netw |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns11.centene.com, ns13.centene.com, ns21.centene.com...)
Analysis
Name Servers
sentinel-rx.com has five name servers, which are ns11.centene.com, ns13.centene.com, ns21.centene.com and two others.
The name servers of sentinel-rx.com overlap at least partially with those of other domains — among them centeneuk.co.uk, planforliferi.com, wellcaretx.net and two more.
These name servers commonly appear alongside the name servers ns22.centene.com and ofl-ddi-hdns-01.centene.com.
Hosts with just one IP address:
ns11.centene.com directs to 204.107.62.125.
ns13.centene.com directs to 167.238.18.125.
ns21.centene.com directs to 167.238.50.21.
ns22.centene.com directs to 167.238.58.22.
ofl-ddi-hdns-01.centene.com directs to 10.4.100.15.