`nullmx.schoolrefusal.com`

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

`schoolrefusal.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

Same first word

nullmx.org

nullmx.com

nullmx.net

Similar names

mlnxul.com

DNS History

2 records (1 active, 1 former)

●A207.148.248.1432026-03-23 → 2026-03-23 · 2 obs

○ 2015-10-20 12:35:04
● 2026-03-23 06:15:16

○A209.181.247.1052008-03-16 → 2008-03-16 · 3 obs

● 2008-03-16 20:28:42
○ 2015-10-20 12:35:04
○ 2026-03-23 06:15:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
schoolrefusal.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.4.207.204

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for schoolrefusal.com (unsigned zone)

⏱️ Timing

Total: 163ms | 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.schoolrefusal.com maps to IP address 207.148.248.143.

Other host names, for instance mail.tradinghub.net, mail.figuredesigner.com, mail.simplescriptures.com, readwine.com and nuevospadres.com share IP numbers with nullmx.schoolrefusal.com.

nullmx.schoolrefusal.com - robtex.com