`nullmx.coolsettings.com`

DNSSEC	⚠️ Not signed
A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}
		PTR	`ip-207-148-248-143.defastlink.net`

`coolsettings.com`

	DNSSEC	⚠️ Not signed
	A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}
	NS	`ns.buydomains.com` ⭐ ⚠️ Not in zone NS records
	NS	`this-domain-for-sale.com` ⚠️ Not in zone NS records
	SOA	`ns.buydomains.com`bd-operations@namemedia.com 2015-04-27 #7

Previously MX for

coolsettings.com

Same first word

nullmx.net

nullmx.org

nullmx.com

Similar names

mlnxul.com

DNS History

2 records (1 active, 1 former)

●A207.148.248.1432015-10-18 → 2026-03-24 · 3 obs

○ 2015-05-28 07:05:14
● 2015-10-18 18:59:50
● 2026-03-24 11:04:18

○A50.63.202.1042015-05-28 → 2015-05-28 · 3 obs

● 2015-05-28 07:05:14
○ 2015-10-18 18:59:50
○ 2026-03-24 11:04:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coolsettings.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.20.26.87

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coolsettings.com (unsigned zone)

⏱️ Timing

Total: 3048ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.148.248.143`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

IP Addresses

nullmx.coolsettings.com points to a single IP address: 207.148.248.143.

Other host names such as administrator.intrudersystem.com, happycowboys.com, altitudes.org, accw.org and finegents.com share IP numbers with nullmx.coolsettings.com.

nullmx.coolsettings.com - robtex.com