rssmb.com - dns.ninja

`rssmb.com`

DNSSEC	⚠️ Not signed
NS	`ns1.nsroot1.com` ⭐ ⚠️ Not in parent delegation
		A	156.154.64.172^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns172.ultradns.com`
NS	`ns.citicorp.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.citicorp.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`
NS	`ns2.nsroot2.com` ⚠️ Not in parent delegation
		A	193.108.91.190^{🇳🇱 Akamai193.108.91.0/24 Technologies}
			PTR	`a1-190.akam.net`
			PTR	`ns1-190.akam.net`
NS	`ns5.citicorp.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`
MX	`mx-a.mail.citi.com` ⭐
		A	67.231.145.106^{🇺🇸 Proofpoint67.231.145.0/24 Inc.}
			PTR	`mx-a.mail.citi.com`
MX	`mx-b.mail.citi.com` ⭐
		A	67.231.153.94^{🇺🇸 Proofpoint67.231.153.0/24 Inc.}
			PTR	`mx-b.mail.citi.com`
TXT	`v=spf1 a:mail.citigroup.com include:spf-00123c01.pphosted.com ~all`
SOA	`ns1.nsroot1.com`hostmaster@citi.com 2021-10-04 #14

`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=1786050869

Subdomains

www.rssmb.com

Same first word

rssmb.com

rssmb.net

Similar names

brssm.com

ssbrm.com

bsrms.com

sbmrs.org.br

msrbs.co.uk

rsbms.com

sbrms.co.uk

srmsb.com

smsrb.blogspot.in

mrsbs.com

bmsrs.com

brsms.me

smrbs.com

srbsm.com

rbssm.com

ssbrm.ch

srmbs.com

srbms.com

msbrs.com

mrbss.com

sbrms.com

srbsm.co.kr

brsms.com

mbsrs.com

mrsbs.co.uk

DNS History

9 records (7 active, 2 former)

●NSns.citicorp.com2026-03-24 → 2026-08-06 · 3 obs

○ 2015-08-30 22:24:10
● 2026-03-24 09:54:44
● 2026-08-06 21:41:58

●NSns1.nsroot1.com2015-08-30 → 2026-08-06 · 2 obs

● 2015-08-30 22:24:10
● 2026-08-06 21:41:58

●NSns2.citicorp.com2026-03-24 → 2026-08-06 · 3 obs

○ 2015-08-30 22:24:10
● 2026-03-24 09:54:44
● 2026-08-06 21:41:58

●NSns2.nsroot2.com2015-08-30 → 2026-08-06 · 2 obs

● 2015-08-30 22:24:10
● 2026-08-06 21:41:58

●NSns5.citicorp.com2026-03-24 → 2026-08-06 · 3 obs

○ 2015-08-30 22:24:10
● 2026-03-24 09:54:44
● 2026-08-06 21:41:58

●MXmx-a.mail.citi.com2015-08-30 → 2026-08-06 · 2 obs

● 2015-08-30 22:24:10
● 2026-08-06 21:41:58

●MXmx-b.mail.citi.com2015-08-30 → 2026-08-06 · 2 obs

● 2015-08-30 22:24:10
● 2026-08-06 21:41:58

○A192.193.102.1752015-08-30 → 2018-08-20 · 4 obs

● 2015-08-30 22:24:10
● 2018-08-20 10:15:08
○ 2026-03-24 09:54:44
○ 2026-08-06 21:41:58

○A192.193.218.1302015-08-30 → 2018-08-20 · 4 obs

● 2015-08-30 22:24:10
● 2018-08-20 10:15:08
○ 2026-03-24 09:54:44
○ 2026-08-06 21:41:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, d.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net...	-
rssmb.com	ns2.citicorp.com, ns.citicorp.com, ns5.citicorp.com	3 records

✅ Authoritative Response

Server:156.154.64.172

NS records: ns2.citicorp.com, ns.citicorp.com, ns5.citicorp.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for rssmb.com (unsigned zone)

⏱️ Timing

Total: 332ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.nsroot1.com, ns2.nsroot2.com`
MX	2	`mx-b.mail.citi.com (pri: 5), mx-a.mail.citi.com (pri: 5)`
TXT	1	`v=spf1 a:mail.citigroup.com include:spf-`
SOA	1	`ns1.nsroot1.com hostmaster.citi.com`

📌 Glue Records Collected

Total: 3

Out-of-bailiwick: 3 (ns2.citicorp.com, ns.citicorp.com, ns5.citicorp.com)

Analysis

Hierarchy

rssmb.com serves as the parent of www.rssmb.com.

Name Servers

rssmb.com has five name servers, which are ns2.citicorp.com, ns5.citicorp.com, ns.citicorp.com and two others.

rssmb.com has at least partial name server overlap with other domains, such as citycreditcard.com, citigold.com.tr, quickmycititrade.com and two others.

It is common to see these name servers used together with name servers ns1.nsroot1.com and ns2.nsroot2.com.

Hosts with just one IP address:

ns2.citicorp.com directs to 193.108.91.190.

ns5.citicorp.com directs to 193.108.91.190.

ns.citicorp.com directs to 156.154.64.172.

ns1.nsroot1.com directs to 156.154.64.172.

ns2.nsroot2.com directs to 193.108.91.190.

The host names ns2.citicorp.com, ns5.citicorp.com and ns2.nsroot2.com each resolve to 193.108.91.190.

Host names pointing to 156.154.64.172 IP addresses: ns.citicorp.com and ns1.nsroot1.com.

Mail Servers

Mail for rssmb.com is handled by two mail servers — mx-a.mail.citi.com and mx-b.mail.citi.com.

rssmb.com uses an identical mail server configuration to several other domains — among them jpmefs.com, citigroup.com.au, japan.citi.com and two more.

mx-a.mail.citi.com directs to 67.231.145.106 and mx-b.mail.citi.com directs to 67.231.153.94; each host name points to exactly one IP number.