`express-scripts.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.com`dnsdhcpipam@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.net`hostmaster@centralnic.net serial=1759615358

Same first word

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express-scripts.co.uk

express-scripts.health

express-scripts.cloud

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express-scripts.website

express-scripts.de

Similar names

DNS History

2 records (2 active, 0 former)

●NSns.cigna.com2026-03-16 → 2026-03-24 · 2 obs

● 2026-03-16 14:28:16
● 2026-03-24 02:09:58

●NSns2.cigna.com2026-03-16 → 2026-03-24 · 2 obs

● 2026-03-16 14:28:16
● 2026-03-24 02:09:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co	-
express-scripts.co	ns.cigna.com, ns2.cigna.com	-

✅ Authoritative Response

Server:170.48.11.4

NS records: ns.cigna.com, ns2.cigna.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for express-scripts.co (unsigned zone)

⏱️ Timing

Total: 628ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns2.cigna.com, ns.cigna.com`
TXT	1	`v=spf1 -all`
SOA	1	`ns.cigna.com dnsdhcpipam.cigna.com`

Analysis

Name Servers

express-scripts.co's delegation uses two name servers: ns2.cigna.com and ns.cigna.com.

express-scripts.co uses the same name server setup as other domains, such as medcohealthbuymale.tv, evernorth.health, evernorthonsite.com, rxguidelines.mobi and cignamakessence.com.

express-scripts.co at least partially shares name servers with other domains, including xn--cignahealthcar-o2b.com, cignahzalthcare.com, cignasaglik.com, thecignagrmup.com and thnecignagroup.com.

These name servers are commonly used with dns-publicprimary-wdc.sys.cigna.com.

Host names with a single IP address: ns2.cigna.com points to 170.48.24.5; ns.cigna.com points to 170.48.11.4.

express-scripts.co - robtex.com