`mcibroadband.com`

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.com`hostmaster@mci.com serial=1184

`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=1778470891

Same first word

mcibroadband.com

DNS History

5 records (4 active, 1 former)

●NSauth-ns1.verizonbusiness.com2015-08-04 → 2026-05-11 · 2 obs

● 2015-08-04 13:18:38
● 2026-05-11 04:11:54

●NSauth-ns2.verizonbusiness.com2015-08-04 → 2026-05-11 · 2 obs

● 2015-08-04 13:18:38
● 2026-05-11 04:11:54

○NSomzdns3.vzbi.com2015-08-04 → 2016-02-12 · 4 obs

● 2015-08-04 13:18:38
● 2016-02-12 00:49:00
○ 2016-07-08 03:00:32
○ 2026-05-11 04:11:54

●NSomzdns9.verizon.com2016-07-08 → 2026-05-11 · 3 obs

○ 2016-02-12 00:49:00
● 2016-07-08 03:00:32
● 2026-05-11 04:11:54

●A164.109.37.2252015-08-04 → 2026-05-11 · 2 obs

● 2015-08-04 13:18:38
● 2026-05-11 04:11:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
mcibroadband.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 mcibroadband.com (unsigned zone)

⏱️ Timing

Total: 451ms | 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.mci.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (auth-ns2.verizonbusiness.com, auth-ns1.verizonbusiness.com)

Analysis

IP Addresses

mcibroadband.com points to a single IP number: 164.109.37.225.

other host names for instance mcitoday.net, verizon.org.ma, verizon.me, wcomfax.com and verizonbusiness.biz share IP numbers with mcibroadband.com.

Name Servers

mcibroadband.com is delegated to three name servers: omzdns9.verizon.com, auth-ns1.verizonbusiness.com and auth-ns2.verizonbusiness.com.

mcibroadband.com at least partially shares name servers with other domains, for instance mci.com, 2pagemci.com, web.wcom.net, 235.154.209.in-addr.arpa and 10-10900.com.

These name servers are commonly used with 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:

The host auth-ns1.verizonbusiness.com points to 199.249.19.10 and the host auth-ns2.verizonbusiness.com points to 199.249.18.65.

mcibroadband.com - robtex.com