netzero.com - dns.ninja
netzero.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 64.136.45.71🇺🇸 UNSPECIFIED64.136.44.0/22 UOL DCA Block | ||||||
| PTR | my.dca.netzero.net | ||||||
| A | 64.136.53.71🇺🇸 UNSPECIFIED64.136.52.0/22 UOL VGS Block | ||||||
| NS | authns1.untd.com ⭐ | ||||||
| A | 64.136.52.115🇺🇸 UNSPECIFIED64.136.52.0/22 UOL VGS Block | ||||||
| PTR | authns1.untd.com | ||||||
| NS | authns2.untd.com | ||||||
| A | 64.136.44.115🇺🇸 UNSPECIFIED64.136.44.0/22 UOL DCA Block | ||||||
| PTR | authns2.untd.com | ||||||
| NS | authns3.untd.com | ||||||
| A | 162.219.154.107🇺🇸 AS19107162.219.154.0/24 | ||||||
| MX | mx.dca.untd.com ⭐ | ||||||
| A | 64.136.44.37🇺🇸 UNSPECIFIED64.136.44.0/22 UOL DCA Block | ||||||
| PTR | mx.dca.untd.com | ||||||
| MX | mx.vgs.untd.com ⭐ | ||||||
| A | 64.136.52.37🇺🇸 UNSPECIFIED64.136.52.0/22 UOL VGS Block | ||||||
| PTR | mx.vgs.untd.com | ||||||
| TXT | spf2.0/pra ip4:64.136.0.0/20 ip4:64.136.16.0/21 ip4:64.136.22.0/24 ip4:64.136... | ||||||
| TXT | v=spf1 ip4:64.136.0.0/20 ip4:64.136.16.0/21 ip4:64.136.22.0/24 ip4:64.136.28.... | ||||||
| SOA | authns1.untd.comhostmaster@noc.untd.com 2025-12-24 #1 | ||||||
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=1782939606 | ||||||
rank #204744 in the tld
WOT: SAFE (60/100)
📈 Tranco rank: #155,323
Subdomains
my.netzero.com |
webmail.netzero.com |
stg.netzero.com |
m.netzero.com |
mail.netzero.com |
pop.netzero.com |
pop3.netzero.com |
qa5.netzero.com |
authsmtp.netzero.com |
smtp.netzero.com |
www.netzero.com |
stg2.netzero.com |
account.netzero.com |
gateway.netzero.com |
Same first word
Similar names
DNS History
7 records (7 active, 0 former)
●MXmx.dca.untd.com2015-08-26 → 2026-07-01 · 2 obs
● 2026-07-01 21:28:52
●MXmx.vgs.untd.com2015-08-26 → 2026-07-01 · 2 obs
● 2026-07-01 21:28:52
●A64.136.45.712015-08-26 → 2026-07-01 · 2 obs
● 2026-07-01 21:28:52
●A64.136.53.712015-08-26 → 2026-07-01 · 2 obs
● 2026-07-01 21:28:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| netzero.com | authns2.untd.com, authns1.untd.com, authns3.untd.com | 3 records |
✅ Authoritative Response
Server:64.136.52.60
NS records: authns2.untd.com, authns1.untd.com, authns3.untd.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for netzero.com (unsigned zone)
⏱️ Timing
Total: 302ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 64.136.53.71, 64.136.45.71 |
| NS | 3 | authns1.untd.com, authns3.untd.com... |
| MX | 2 | mx.vgs.untd.com (pri: 10), mx.dca.untd.com (pri: 10) |
| TXT | 2 | spf2.0/pra ip4:64.136.0.0/20 ip4:64.136., v=spf1 ip4:64.136.0.0/20 ip4:64.136.16.0 |
| SOA | 1 | authns1.untd.com hostmaster.noc.untd.com |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (authns2.untd.com, authns1.untd.com, authns3.untd.com)
Analysis
Hierarchy
The host names my.netzero.com, webmail.netzero.com, stg.netzero.com, m.netzero.com and mail.netzero.com — among a few others — fall under the parent domain netzero.com.
IP Addresses
netzero.com has two IP addresses: 64.136.45.71 and 64.136.53.71
Two other host names, along with my.vgs.untd.com, my.netzero.net and my.lax.netzero.net, also share IP numbers with netzero.com.
Name Servers
netzero.com has three name servers — authns1.untd.com, authns2.untd.com and authns3.untd.com.
At least some of netzero.com's name servers are shared with other domains, for example 30.136.64.in-addr.arpa, webmailjuno.net, qa6.netzero.net and two more.
Each of the three hostnames points to exactly one IP address: authns1.untd.com points to 64.136.52.115, authns2.untd.com points to 64.136.44.115 and authns3.untd.com points to 162.219.154.107.
Mail Servers
netzero.com is served by two mail servers, mx.dca.untd.com and mx.vgs.untd.com.
Among the domains sharing a mail server setup with netzero.com are mynetzero.com, netzerowebmail.com, fl.freei.net and two others.
Each of mx.dca.untd.com and mx.vgs.untd.com has one IP address: mx.dca.untd.com uses 64.136.44.37 and mx.vgs.untd.com uses 64.136.52.37.