`citilgroup.com`

DNSSEC	⚠️ Not signed
NS	`a4.share-dns.com` ⭐ ⚠️ Not in parent delegation
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`a.share-dns.com` ⚠️ Not in zone NS records
		A	172.64.53.25^{🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b.share-dns.net` ⚠️ Not in zone NS records
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`b4.share-dns.net` ⚠️ Not in parent delegation
		A	172.64.52.239^{🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
SOA	`a.share-dns.com`master@share-dns.com serial=1769752451

`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=1774566047

Subdomains

www.citilgroup.com

Same first word

citilgroup.com

DNS History

13 records (4 active, 9 former)

●NSa.share-dns.com2026-03-24 → 2026-03-26 · 3 obs

○ 2018-06-08 11:40:14
● 2026-03-24 21:03:42
● 2026-03-26 23:27:16

●NSa4.share-dns.com2026-03-24 → 2026-03-26 · 3 obs

○ 2018-06-08 11:40:14
● 2026-03-24 21:03:42
● 2026-03-26 23:27:16

●NSb.share-dns.net2026-03-24 → 2026-03-26 · 3 obs

○ 2018-06-08 11:40:14
● 2026-03-24 21:03:42
● 2026-03-26 23:27:16

●NSb4.share-dns.net2026-03-24 → 2026-03-26 · 3 obs

○ 2018-06-08 11:40:14
● 2026-03-24 21:03:42
● 2026-03-26 23:27:16

○NSns65.domaincontrol.com2018-06-08 → 2018-06-08 · 3 obs

● 2018-06-08 11:40:14
○ 2026-03-24 21:03:42
○ 2026-03-26 23:27:16

○NSns66.domaincontrol.com2018-06-08 → 2018-06-08 · 3 obs

● 2018-06-08 11:40:14
○ 2026-03-24 21:03:42
○ 2026-03-26 23:27:16

○A184.168.221.322018-06-08 → 2018-06-08 · 3 obs

● 2018-06-08 11:40:14
○ 2026-03-24 21:03:42
○ 2026-03-26 23:27:16

○A184.168.221.342018-06-08 → 2018-06-08 · 3 obs

● 2018-06-08 11:40:14
○ 2026-03-24 21:03:42
○ 2026-03-26 23:27:16

○A50.63.202.342018-06-08 → 2018-06-08 · 3 obs

● 2018-06-08 11:40:14
○ 2026-03-24 21:03:42
○ 2026-03-26 23:27:16

○A50.63.202.422018-06-08 → 2018-06-08 · 3 obs

● 2018-06-08 11:40:14
○ 2026-03-24 21:03:42
○ 2026-03-26 23:27:16

○A50.63.202.432018-06-08 → 2018-06-08 · 3 obs

● 2018-06-08 11:40:14
○ 2026-03-24 21:03:42
○ 2026-03-26 23:27:16

○A50.63.202.492018-06-08 → 2018-06-08 · 3 obs

● 2018-06-08 11:40:14
○ 2026-03-24 21:03:42
○ 2026-03-26 23:27:16

○A50.63.202.502018-06-08 → 2018-06-08 · 3 obs

● 2018-06-08 11:40:14
○ 2026-03-24 21:03:42
○ 2026-03-26 23:27:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
citilgroup.com	b4.share-dns.net, a4.share-dns.com	1 record

✅ Authoritative Response

Server:172.64.52.239

NS records: b4.share-dns.net, a4.share-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for citilgroup.com (unsigned zone)

⏱️ Timing

Total: 225ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`a.share-dns.com, b.share-dns.net`
SOA	1	`a.share-dns.com master.share-dns.com`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (a4.share-dns.com)

Analysis

Hierarchy

The parent of www.citilgroup.com is citilgroup.com.

Name Servers

citilgroup.com's delegation is handled by four name servers: a4.share-dns.com, a.share-dns.com, b4.share-dns.net and b.share-dns.net.

citilgroup.com partially shares name servers with other domains; examples include lb2x.cn, bangshengcn.com, hhkzf.com, 3cq3.com and tacticalassaultshop.com.