expressscripts.co - dns.ninja
expressscripts.co
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns2.cigna.com ⭐ | ||||||
| A | 170.48.24.5🇺🇸 AS13348170.48.24.0/24 | ||||||
| PTR | ns2.cigna.com | ||||||
| NS | ns.cigna.com | ||||||
| A | 170.48.11.4🇺🇸 AS11406170.48.11.0/24 | ||||||
| PTR | ns.cigna.com | ||||||
| TXT | v=spf1 -all | ||||||
| SOA | ns.cigna.comdnsdhcpipam@cigna.com serial=104 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759716856 | ||||||
Same first word
Similar names
DNS History
2 records (2 active, 0 former)
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | c.registrydns.co, d.registrydns.co, a.registrydns.co, b.registrydns.co | - |
| expressscripts.co | ns.cigna.com, ns2.cigna.com | - |
✅ Authoritative Response
Server:170.48.24.5
NS records: ns.cigna.com, ns2.cigna.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for expressscripts.co (unsigned zone)
⏱️ Timing
Total: 193ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns.cigna.com, ns2.cigna.com |
| TXT | 1 | v=spf1 -all |
| SOA | 1 | ns.cigna.com dnsdhcpipam.cigna.com |
Analysis
Name Servers
Two name servers handle the delegation for expressscripts.co: ns2.cigna.com and ns.cigna.com.
The name server configuration of expressscripts.co is shared with other domains, for instance myevernorth-health.tw, expressscriptscanada.cloud, thecignsagroup.com and two others.
There is at least partial name server overlap between expressscripts.co and other domains — thecignagr-oup.com, thecignagroupv.com, cignahesalthcare.com and two more among them.
These name servers are routinely deployed together with the name servers dns-publicprimary-wdc.sys.cigna.com.
ns2.cigna.com → 170.48.24.5 and ns.cigna.com → 170.48.11.4: one IP number per host name.