mciworld.com - robtex.com
mciworld.com
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.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
mciworld.com |
Similar names
imcworld.org |
cmiworld.com |
micworld.com |
icmworld.com |
cmiworld.org |
micworld.de |
worldmic.com |
imcworld.com |
cimworld.com |
icmworld.net |
DNS History
11 records (10 active, 1 former)
●NSauth-ns1.verizonbusiness.com2015-06-19 → 2026-03-19 · 2 obs
● 2026-03-19 07:50:10
●NSauth-ns2.verizonbusiness.com2015-06-19 → 2026-03-19 · 2 obs
● 2026-03-19 07:50:10
○NSomzdns3.vzbi.com2015-06-19 → 2016-03-31 · 4 obs
● 2016-03-31 12:11:54
○ 2016-08-27 07:00:08
○ 2026-03-19 07:50:10
●NSomzdns9.verizon.com2016-08-27 → 2026-03-19 · 3 obs
● 2016-08-27 07:00:08
● 2026-03-19 07:50:10
●MXesmtp00.verizonbusiness.com2015-06-19 → 2026-03-19 · 2 obs
● 2026-03-19 07:50:10
●A164.109.37.2252015-06-19 → 2026-03-19 · 2 obs
● 2026-03-19 07:50:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| mciworld.com | auth-ns2.verizonbusiness.com, auth-ns1.verizonbusiness.com | 2 records |
✅ Authoritative Response
Server: 199.249.19.10
NS records: auth-ns2.verizonbusiness.com, auth-ns1.verizonbusiness.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mciworld.com (unsigned zone)
⏱️ Timing
Total: 441ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 164.109.37.225 |
| NS | 7 | auth61.ns.uu.net, auth50.ns.uu.net... |
| MX | 1 | esmtp00.verizonbusiness.com (pri: 10) |
| SOA | 1 | omzdns9.verizon.com hostmaster.mci.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (auth-ns2.verizonbusiness.com, auth-ns1.verizonbusiness.com)
Analysis
IP Addresses
mciworld.com points to a single IP number: 164.109.37.225.
Other host names, for instance verizon.gr, mae-east.net, verizon.nu, verizon.co.in and mcidial.net share IP numbers with mciworld.com.
Name Servers
mciworld.com is delegated to eight name servers: omzdns9.verizon.com, auth-ns1.verizonbusiness.com, auth-ns2.verizonbusiness.com, auth01.ns.uu.net, auth200.ns.uu.net, auth210.ns.uu.net, auth50.ns.uu.net and auth61.ns.uu.net.
mciworld.com at least partially shares name servers with other domains, for instance 146.112.216.in-addr.arpa, 187.154.67.in-addr.arpa, suntrust-corp.com, 199.1.216.in-addr.arpa and 134.50.216.in-addr.arpa.
These name servers are commonly used together with the name servers ndcdns.vzbi.com, omzdns.vzbi.com, pdcdns.vzbi.com, auth100.ns.uu.net, auth62.ns.uu.net, auth00.ns.uu.net, auth03.ns.uu.net, auth110.ns.uu.net, auth10.ns.wcom.com and auth60.ns.uu.net.
Host names with two IP numbers: auth200.ns.uu.net points to: 2001:600:1c0:e000::35:2 and 195.129.12.82; auth210.ns.uu.net points to: 2001:600:1c0:e001::35:2 and 195.129.12.74.
Host names with one IP number: auth-ns1.verizonbusiness.com points to: 199.249.19.10; auth-ns2.verizonbusiness.com points to: 199.249.18.65; auth01.ns.uu.net points to: 198.6.1.81; auth50.ns.uu.net points to: 198.6.1.161; auth61.ns.uu.net points to: 198.6.1.182.
Mail Servers
mciworld.com is handled by a single mail server, esmtp00.verizonbusiness.com.
mciworld.com shares its mail server setup with other domains, including vzb.com, verizon.ru, firewall.mci.com and firewall.verizonbusiness.com.
esmtp00.verizonbusiness.com points to a single IP: 199.249.25.205.