`nullmx.kosva.com`

DNSSEC	⚠️ Not signed
NS	`ns1.namebrightdns.com` ⚠️ Not in parent delegation
		A	2600:1f18:683a:ae1a:aa86:dc69:2f3:5dbe^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3376:e04f:851f:406c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a510:c365:d06a:e73a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	52.91.47.137^{🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-91-47-137.compute-1.amazonaws.com`
		A	54.92.199.119^{🇺🇸 Amazon54.92.128.0/17 EC2 IAD prefix}
			PTR	`ec2-54-92-199-119.compute-1.amazonaws.com`
		A	98.83.163.23^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-83-163-23.compute-1.amazonaws.com`
NS	`ns2.namebrightdns.com` ⚠️ Not in parent delegation
		A	2600:1f18:683a:ae1a:692a:b011:35db:2b55^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:b140:2a37:be23:aff5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.90.216.91^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-90-216-91.compute-1.amazonaws.com`
		A	98.89.24.240^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-89-24-240.compute-1.amazonaws.com`

`kosva.com`

	DNSSEC	⚠️ Not signed
	NS	`ns1.namebrightdns.com` ⭐
	NS	`ns2.namebrightdns.com`
	SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-03-24 #1

Same first word

nullmx.net

nullmx.org

nullmx.com

Similar names

mlnxul.com

DNS History

4 records (2 active, 2 former)

●NSns1.namebrightdns.com2026-03-25 → 2026-03-25 · 2 obs

● 2026-03-25 00:30:22
● 2026-03-25 00:30:24

●NSns2.namebrightdns.com2026-03-25 → 2026-03-25 · 2 obs

● 2026-03-25 00:30:22
● 2026-03-25 00:30:24

○A173.192.64.1472015-10-22 → 2016-04-21 · 5 obs

○ 2015-05-10 00:53:06
● 2015-10-22 11:06:36
● 2016-04-21 11:18:10
○ 2026-03-25 00:30:22
○ 2026-03-25 00:30:24

○A173.192.64.1512015-05-10 → 2015-05-10 · 3 obs

● 2015-05-10 00:53:06
○ 2015-10-22 11:06:36
○ 2026-03-25 00:30:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, c.gtld-servers.net, m.gtld-servers.net, g.gtld-servers.net...	-
kosva.com	ns1.namebrightdns.com, ns2.namebrightdns.com	10 records

✅ Authoritative Response

Server:98.89.24.240

NS records: ns1.namebrightdns.com, ns2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kosva.com (unsigned zone)

⏱️ Timing

Total: 274ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.namebrightdns.com, ns2.namebrightdns.com`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns1.namebrightdns.com, ns1.namebrightdns.com, ns1.namebrightdns.com...)

Analysis

Name Servers

Two name servers ns1.namebrightdns.com and ns2.namebrightdns.com handle the delegation for nullmx.kosva.com.

nullmx.kosva.com shares the same name server setup as other domains, for instance nullmx.titanv.com, boutiquesareeblouse.com, dropcatch1223.com, bababundle.com and foreveradored.com.

nullmx.kosva.com at least partially shares name servers with other domains, for instance tvfenix.com, goodbuye.com, docsplanet.com, sigwing.com and redemptionwear.com.

These name servers are commonly used with the following: nsg1.namebrightdns.com, nsg2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names with six IPs: ns1.namebrightdns.com points to 2600:1f18:683a:ae1a:aa86:dc69:2f3:5dbe, 2600:1f18:683a:ae1b:3376:e04f:851f:406c, 2600:1f18:683a:ae1b:a510:c365:d06a:e73a, 52.91.47.137, 54.92.199.119 and 98.83.163.23.

Host names with four IPs: ns2.namebrightdns.com points to 2600:1f18:683a:ae1a:692a:b011:35db:2b55, 2600:1f18:683a:ae1a:b140:2a37:be23:aff5, 3.90.216.91 and 98.89.24.240.

nullmx.kosva.com - robtex.com

nullmx.kosva.com

kosva.com