`citibank.email`

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`

`email`

	DNSSEC	🔒 Signed (DS record present)
	NS	`v0n0.nic.email` ⭐
	NS	`v0n1.nic.email`
	NS	`v0n2.nic.email`
	NS	`v0n3.nic.email`
	NS	`v2n0.nic.email`
	NS	`v2n1.nic.email`
	SOA	`v0n0.nic.email`hostmaster@donuts.email serial=1778797570

Same first word

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Similar names

DNS History

2 records (2 active, 0 former)

●NSns1.nsroot1.com2026-04-28 → 2026-05-14 · 2 obs

● 2026-04-28 22:59:10
● 2026-05-14 22:41:20

●NSns2.nsroot2.com2026-04-28 → 2026-05-14 · 2 obs

● 2026-04-28 22:59:10
● 2026-05-14 22:41:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
email	v0n0.nic.email, v2n0.nic.email, v0n2.nic.email, v0n3.nic.email...	-
citibank.email	ns1.nsroot1.com, ns2.nsroot2.com	-

✅ Authoritative Response

Server:156.154.64.172

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for citibank.email (unsigned zone)

⏱️ Timing

Total: 3265ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

citibank.email is delegated to two name servers: ns1.nsroot1.com and ns2.nsroot2.com.

citibank.email uses the same name server setup as other domains, including citigrouprivatebank.com, citibank.ch, citiwelcomenext.com, citimortage.com and citiconsumer.hk.

At least part of the name servers for citibank.email are shared with other domains, for instance cititrade.com, city-bank.cl, citibank.com.gt, citibank.pl and citibankpoland.com.

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

Hostnames with a single IP

ns1.nsroot1.com resolves to: 156.154.64.172.

ns2.nsroot2.com resolves to: 193.108.91.190.

citibank.email - robtex.com

citibank.email

email