`citigroupglobal.com`

DNSSEC	⚠️ Not signed
NS	`ns1.nsroot1.com` ⚠️ Not in zone NS records
		A	156.154.64.172^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns172.ultradns.com`
NS	`ns2.nsroot2.com` ⚠️ Not in zone NS records
		A	193.108.91.190^{🇳🇱 Akamai193.108.91.0/24 Technologies}
			PTR	`a1-190.akam.net`
			PTR	`ns1-190.akam.net`

`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.net`nstld@verisign-grs.com serial=1778476396

Same first word

citigroupglobal.com

DNS History

9 records (2 active, 7 former)

○NSns1.myhostadmin.net2019-03-02 → 2019-03-02 · 3 obs

● 2019-03-02 12:17:32
○ 2026-04-05 17:50:58
○ 2026-05-11 05:15:16

●NSns1.nsroot1.com2026-04-05 → 2026-05-11 · 3 obs

○ 2019-03-02 12:17:32
● 2026-04-05 17:50:58
● 2026-05-11 05:15:16

○NSns2.myhostadmin.net2019-03-02 → 2019-03-02 · 3 obs

● 2019-03-02 12:17:32
○ 2026-04-05 17:50:58
○ 2026-05-11 05:15:16

●NSns2.nsroot2.com2026-04-05 → 2026-05-11 · 3 obs

○ 2019-03-02 12:17:32
● 2026-04-05 17:50:58
● 2026-05-11 05:15:16

○NSns3.myhostadmin.net2019-03-02 → 2019-03-02 · 3 obs

● 2019-03-02 12:17:32
○ 2026-04-05 17:50:58
○ 2026-05-11 05:15:16

○NSns4.myhostadmin.net2019-03-02 → 2019-03-02 · 3 obs

● 2019-03-02 12:17:32
○ 2026-04-05 17:50:58
○ 2026-05-11 05:15:16

○NSns5.myhostadmin.net2019-03-02 → 2019-03-02 · 3 obs

● 2019-03-02 12:17:32
○ 2026-04-05 17:50:58
○ 2026-05-11 05:15:16

○NSns6.myhostadmin.net2019-03-02 → 2019-03-02 · 3 obs

● 2019-03-02 12:17:32
○ 2026-04-05 17:50:58
○ 2026-05-11 05:15:16

○A45.195.146.32019-03-02 → 2019-03-02 · 3 obs

● 2019-03-02 12:17:32
○ 2026-04-05 17:50:58
○ 2026-05-11 05:15:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, i.gtld-servers.net, l.gtld-servers.net, b.gtld-servers.net...	-
citigroupglobal.com	ns2.nsroot2.com, ns1.nsroot1.com	2 records

✅ Authoritative Response

Server:156.154.64.172

NS records: ns2.nsroot2.com, ns1.nsroot1.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for citigroupglobal.com (unsigned zone)

⏱️ Timing

Total: 207ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.nsroot2.com, ns1.nsroot1.com)

Analysis

Name Servers

citigroupglobal.com has two name servers: ns1.nsroot1.com and ns2.nsroot2.com.

citigroupglobal.com shares the same name server setup as other domains, for example citi.cz, citigroupassetmanagement.mx, citifutures.us, citifxpro.com and banamexrewards.com.

citigroupglobal.com shares some name servers with other domains, for example nsroot.com, citigold.cz, ibpay.com, charles.prince.name and citibank.co.in.

These name servers are often used together with ns2.citicorp.com, ns.citicorp.com and ns5.citicorp.com.

Host names with a single IP:

ns1.nsroot1.com points to 156.154.64.172

ns2.nsroot2.com points to 193.108.91.190

citigroupglobal.com - robtex.com