`optimumemail1.com`

DNSSEC	⚠️ Not signed
A	8.23.247.73^{🇺🇸 AS33568.16.0.0/12}
A	209.3.218.73^{🇺🇸 ASN-EXPERIAN209.3.218.0/24}
NS	`authns1.cv.net` ⭐
		A	167.206.12.12^{🇺🇸 AS6128167.206.0.0/19 1111 Stewart Avenue Bethpage NY 11714 United States}
			PTR	`dns1.cv.net`
NS	`authns1.cvnet.com`
		A	167.206.13.20^{🇺🇸 AS6128167.206.0.0/19 1111 Stewart Avenue Bethpage NY 11714 United States}
			PTR	`dns1.cvnet.com`
MX	`c.mx.optimumemail1.com` ⭐
		A	63.148.46.96^{🇺🇸 ASN-EXPERIAN63.148.46.0/24 Stealth Communications}
MX	`d.mx.optimumemail1.com` ⭐
		A	63.148.46.97^{🇺🇸 ASN-EXPERIAN63.148.46.0/24 Stealth Communications}
TXT	`v=spf1 ip4:63.211.91.240/29 ip4:38.101.108.55 ip4:207.251.96.0/24 ip4:65.125....`
SOA	`authns1.cv.net`abuse@cv.net serial=2016119825

`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=1780589464

⚠️ On DNS blocklist: pro.plus, ultimate

Subdomains

ebm.optimumemail1.com

mail.optimumemail1.com

web.optimumemail1.com

Same first word

optimumemail1.com

DNS History

12 records (6 active, 6 former)

○NSa.ns.optimumemail1.com2015-08-18 → 2016-02-02 · 4 obs

● 2015-08-18 06:24:02
● 2016-02-02 20:14:18
○ 2016-04-21 10:14:50
○ 2026-06-04 16:12:42

●NSauthns1.cv.net2016-04-21 → 2026-06-04 · 3 obs

○ 2016-02-02 20:14:18
● 2016-04-21 10:14:50
● 2026-06-04 16:12:42

●NSauthns1.cvnet.com2016-04-21 → 2026-06-04 · 3 obs

○ 2016-02-02 20:14:18
● 2016-04-21 10:14:50
● 2026-06-04 16:12:42

○NSb.ns.optimumemail1.com2015-08-18 → 2016-02-02 · 4 obs

● 2015-08-18 06:24:02
● 2016-02-02 20:14:18
○ 2016-04-21 10:14:50
○ 2026-06-04 16:12:42

○NSc.ns.optimumemail1.com2015-08-18 → 2016-02-02 · 4 obs

● 2015-08-18 06:24:02
● 2016-02-02 20:14:18
○ 2016-04-21 10:14:50
○ 2026-06-04 16:12:42

○NSd.ns.optimumemail1.com2015-08-18 → 2016-02-02 · 4 obs

● 2015-08-18 06:24:02
● 2016-02-02 20:14:18
○ 2016-04-21 10:14:50
○ 2026-06-04 16:12:42

○NSe.ns.optimumemail1.com2015-08-18 → 2016-02-02 · 4 obs

● 2015-08-18 06:24:02
● 2016-02-02 20:14:18
○ 2016-04-21 10:14:50
○ 2026-06-04 16:12:42

○NSf.ns.optimumemail1.com2015-08-18 → 2016-02-02 · 4 obs

● 2015-08-18 06:24:02
● 2016-02-02 20:14:18
○ 2016-04-21 10:14:50
○ 2026-06-04 16:12:42

●MXc.mx.optimumemail1.com2015-08-18 → 2026-06-04 · 2 obs

● 2015-08-18 06:24:02
● 2026-06-04 16:12:42

●MXd.mx.optimumemail1.com2015-08-18 → 2026-06-04 · 2 obs

● 2015-08-18 06:24:02
● 2026-06-04 16:12:42

●A209.3.218.732015-08-18 → 2026-06-04 · 2 obs

● 2015-08-18 06:24:02
● 2026-06-04 16:12:42

●A8.23.247.732015-08-18 → 2026-06-04 · 5 obs

● 2015-08-18 06:24:02
● 2015-09-14 08:43:50
○ 2015-09-21 21:10:02
● 2017-06-29 19:06:02
● 2026-06-04 16:12:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
optimumemail1.com	authns1.cv.net, authns1.cvnet.com	1 record

✅ Authoritative Response

Server:167.206.13.20

NS records: authns1.cv.net, authns1.cvnet.com

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 988ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`209.3.218.73, 8.23.247.73`
NS	2	`authns1.cv.net, authns1.cvnet.com`
MX	2	`d.mx.optimumemail1.com (pri: 10), c.mx.optimumemail1.com (pri: 10)`
TXT	1	`v=spf1 ip4:63.211.91.240/29 ip4:38.101.1`
SOA	1	`authns1.cv.net abuse.cv.net`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (authns1.cvnet.com)

Analysis

Hierarchy

ebm.optimumemail1.com, mail.optimumemail1.com and web.optimumemail1.com are all subdomains of optimumemail1.com.

IP Addresses

optimumemail1.com points to two IP numbers: 8.23.247.73 and 209.3.218.73.

Name Servers

optimumemail1.com uses two name servers for its delegation: authns1.cvnet.com and authns1.cv.net.

optimumemail1.com has the same name server delegation as a number of other domains, such as 170.51.65.in-addr.arpa, getxtra.com, 2.45.24.in-addr.arpa and two more.

The name servers of optimumemail1.com overlap at least partially with those of other domains — among them a4tise.com, 203.74.69.in-addr.arpa, 4connections.net and two more.

These name servers commonly appear alongside the name servers authns1.alticeusa.com and authns1.alticeusa.net.

Both authns1.cvnet.com and authns1.cv.net have a single IP address each — authns1.cvnet.com resolves to 167.206.13.20 while authns1.cv.net resolves to 167.206.12.12.

Mail Servers

The MX records for optimumemail1.com point to two mail servers: c.mx.optimumemail1.com and d.mx.optimumemail1.com.

Both c.mx.optimumemail1.com and d.mx.optimumemail1.com have a single IP address each — c.mx.optimumemail1.com resolves to 63.148.46.96 while d.mx.optimumemail1.com resolves to 63.148.46.97.

optimumemail1.com - robtex.com