citigroup.com.tw - robtex.com
citigroup.com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.nsroot1.com ⭐ | ||||||
| A | 156.154.64.172🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar | ||||||
| PTR | pdns172.ultradns.com | ||||||
| NS | ns2.nsroot2.com | ||||||
| A | 193.108.91.190🇳🇱 Akamai193.108.91.0/24 Technologies | ||||||
| PTR | a1-190.akam.net | ||||||
| PTR | ns1-190.akam.net | ||||||
| TXT | v=spf1 a:mail.citigroup.com -all | ||||||
| SOA | ns1.nsroot1.comhostmaster@citi.com 2021-10-04 #12 | ||||||
com.tw
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a.twnic.net.tw ⭐ | ||||||
| NS | anytld.apnic.net | ||||||
| NS | b.twnic.net.tw | ||||||
| NS | c.twnic.net.tw | ||||||
| NS | d.twnic.net.tw | ||||||
| NS | e.twnic.net.tw | ||||||
| NS | f.twnic.net.tw | ||||||
| NS | g.twnic.net.tw | ||||||
| NS | h.dns.tw | ||||||
| NS | h.twnic.net.tw | ||||||
| SOA | a.twnic.net.twsnw@twnic.net.tw serial=2006391833 | ||||||
Same first word
Similar names
iitcgroup.com |
tciigroup.com |
ictigroup.com |
groupciti.com |
iictgroup.com |
grupoitic.com |
citigruop.com |
citigorup.com |
citigropu.com |
icitgroup.com |
iticgroup.com |
ticigroup.com |
DNS History
2 records (2 active, 0 former)
●NSns1.nsroot1.com2026-07-29 → 2026-08-13 · 2 obs
● 2026-08-13 23:17:34
●NSns2.nsroot2.com2026-07-29 → 2026-08-13 · 2 obs
● 2026-08-13 23:17:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com.tw | a.twnic.net.tw, b.twnic.net.tw, c.twnic.net.tw, h.dns.tw... | - |
| citigroup.com.tw | ns2.nsroot2.com, ns1.nsroot1.com | - |
✅ Authoritative Response
Server:156.154.64.172
NS records: ns2.nsroot2.com, ns1.nsroot1.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for com.tw (unsigned zone)
⏱️ Timing
Total: 2132ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.nsroot1.com, ns2.nsroot2.com |
| TXT | 1 | v=spf1 a:mail.citigroup.com -all |
| SOA | 1 | ns1.nsroot1.com hostmaster.citi.com |
Analysis
Name Servers
Two name servers handle the delegation for citigroup.com.tw: ns1.nsroot1.com and ns2.nsroot2.com.
The name server configuration of citigroup.com.tw is shared with other domains, for instance humanefund.org, becsonline.net, micredito.com and two others.
citigroup.com.tw shares at least some of its name servers with other domains, including citigroupai.com, citibanknigeria.com, citi.com.pa and two others.
These name servers are frequently paired with the name servers ns.citicorp.com, ns2.citicorp.com and ns5.citicorp.com.
ns1.nsroot1.com and ns2.nsroot2.com each resolve to one IP number: ns1.nsroot1.com points to 156.154.64.172 and ns2.nsroot2.com points to 193.108.91.190.