mciworldcom.net - robtex.com
mciworldcom.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 164.109.37.225🇺🇸 UNSPECIFIED160.0.0.0/3 | ||||||
| NS | omzdns9.verizon.com ⭐ | ||||||
| NS | auth-ns1.verizonbusiness.com | ||||||
| A | 199.249.19.10🇺🇸 AS3378199.249.19.0/24 | ||||||
| PTR | auth-ns1.verizonbusiness.com | ||||||
| NS | auth-ns2.verizonbusiness.com | ||||||
| A | 199.249.18.65🇺🇸 AS3378199.249.18.0/24 | ||||||
| PTR | auth-ns2.verizonbusiness.com | ||||||
| SOA | omzdns9.verizon.comhostmaster@verizonbusiness.com serial=1184 | ||||||
net
| 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=1778305616 | ||||||
Same first word
DNS History
5 records (4 active, 1 former)
●NSauth-ns1.verizonbusiness.com2015-06-02 → 2026-05-09 · 2 obs
● 2026-05-09 06:11:04
●NSauth-ns2.verizonbusiness.com2015-06-02 → 2026-05-09 · 2 obs
● 2026-05-09 06:11:04
○NSomzdns3.vzbi.com2015-06-02 → 2016-04-16 · 4 obs
● 2016-04-16 13:06:18
○ 2026-05-03 19:18:54
○ 2026-05-09 06:11:04
●NSomzdns9.verizon.com2026-05-03 → 2026-05-09 · 3 obs
● 2026-05-03 19:18:54
● 2026-05-09 06:11:04
●A164.109.37.2252015-06-02 → 2026-05-09 · 2 obs
● 2026-05-09 06:11:04
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mciworldcom.net | auth-ns2.verizonbusiness.com, auth-ns1.verizonbusiness.com | - |
✅ Authoritative Response
Server:199.249.18.65
NS records: auth-ns2.verizonbusiness.com, auth-ns1.verizonbusiness.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mciworldcom.net (unsigned zone)
⏱️ Timing
Total: 359ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 164.109.37.225 |
| NS | 2 | auth-ns2.verizonbusiness.com, auth-ns1.verizonbusiness.com |
| SOA | 1 | omzdns9.verizon.com hostmaster.verizonbu |
Analysis
IP Addresses
mciworldcom.net resolves to one IP number: 164.109.37.225.
other host names including mcibroadband.com, verizon.cz, verizon.com.bh, verizon.ly and verizon.ws share IP numbers with mciworldcom.net.
Name Servers
mciworldcom.net is delegated to three name servers omzdns9.verizon.com, auth-ns1.verizonbusiness.com and auth-ns2.verizonbusiness.com.
mciworldcom.net at least partially shares name servers with other domains, for instance 1.60.166.in-addr.arpa, desktoptelex.com, 1010-9000.com, 192.45.166.in-addr.arpa and verizonbusiness.org.
these name servers are commonly used with the name servers ndcdns.vzbi.com, omzdns.vzbi.com, pdcdns.vzbi.com, auth01.ns.uu.net, auth50.ns.uu.net, auth61.ns.uu.net, auth200.ns.uu.net and auth210.ns.uu.net.
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