sentinel-rx.net - robtex.com
sentinel-rx.net
| 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 | ||||||
net
| 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=1784516127 | ||||||
Same first word
DNS History
10 records (5 active, 5 former)
●NSns11.centene.com2026-06-27 → 2026-07-20 · 3 obs
● 2026-06-27 04:07:28
● 2026-07-20 03:01:02
●NSns13.centene.com2026-06-27 → 2026-07-20 · 3 obs
● 2026-06-27 04:07:28
● 2026-07-20 03:01:02
●NSns21.centene.com2026-06-27 → 2026-07-20 · 3 obs
● 2026-06-27 04:07:28
● 2026-07-20 03:01:02
●NSns22.centene.com2026-06-27 → 2026-07-20 · 3 obs
● 2026-06-27 04:07:28
● 2026-07-20 03:01:02
○NSns51.domaincontrol.com2017-01-04 → 2018-08-19 · 4 obs
● 2018-08-19 13:17:34
○ 2026-06-27 04:07:28
○ 2026-07-20 03:01:02
○NSns52.domaincontrol.com2017-01-04 → 2018-08-19 · 4 obs
● 2018-08-19 13:17:34
○ 2026-06-27 04:07:28
○ 2026-07-20 03:01:02
●NSofl-ddi-hdns-01.centene.com2026-06-27 → 2026-07-20 · 3 obs
● 2026-06-27 04:07:28
● 2026-07-20 03:01:02
○MXmailstore1.secureserver.net2017-01-04 → 2018-08-19 · 4 obs
● 2018-08-19 13:17:34
○ 2026-06-27 04:07:28
○ 2026-07-20 03:01:02
○MXsmtp.secureserver.net2017-01-04 → 2018-08-19 · 4 obs
● 2018-08-19 13:17:34
○ 2026-06-27 04:07:28
○ 2026-07-20 03:01:02
○A184.168.221.522017-01-04 → 2018-08-19 · 4 obs
● 2018-08-19 13:17:34
○ 2026-06-27 04:07:28
○ 2026-07-20 03:01:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sentinel-rx.net | ns11.centene.com, ns13.centene.com, ns21.centene.com, ns22.centene.com | - |
✅ 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.net (unsigned zone)
⏱️ Timing
Total: 1249ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | ns22.centene.com, ns21.centene.com... |
| SOA | 1 | ofl-ddi-hdns-01.centene.com it-core-netw |
Analysis
Name Servers
sentinel-rx.net has five name servers, which are ns11.centene.com, ns13.centene.com, ns21.centene.com and two others.
There is at least partial name server overlap between sentinel-rx.net and other domains — getambetterky.com, 47.107.204.in-addr.arpa, mimejoresri.com and two more among them.
These name servers frequently co-occur with the name servers ns22.centene.com and ofl-ddi-hdns-01.centene.com.
Hosts with just one IP address:
ns11.centene.com resolves to the IP address 204.107.62.125.
ns13.centene.com resolves to the IP address 167.238.18.125.
ns21.centene.com resolves to the IP address 167.238.50.21.
ns22.centene.com resolves to the IP address 167.238.58.22.
ofl-ddi-hdns-01.centene.com resolves to the IP address 10.4.100.15.