nullmx.sehool.com - dns.ninja

`nullmx.sehool.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns3.afternic.com` ⭐ ⚠️ Not in parent delegation
		A	97.74.98.65^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns3.afternic.com`
NS	`ns4.afternic.com` ⚠️ Not in parent delegation
		A	173.201.66.65^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns4.namefind.com`
TXT	`v=spf1 -all`
SOA	`ns3.afternic.com`dns@jomax.net 2025-10-01 #0

`sehool.com`

	DNSSEC	⚠️ Not signed
	A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
	A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
	NS	`ns3.afternic.com` ⭐
	NS	`ns4.afternic.com`
	TXT	`v=spf1 -all`
	SOA	`ns3.afternic.com`dns@jomax.net 2025-10-01 #0

Previously MX for

sehool.com

Same first word

nullmx.net

nullmx.org

nullmx.com

DNS History

9 records (4 active, 5 former)

○NSns1.parkingcrew.net2016-07-03 → 2016-07-03 · 3 obs

● 2016-07-03 03:14:46
○ 2026-03-13 10:39:10
○ 2026-06-24 03:07:48

○NSns2.parkingcrew.net2016-07-03 → 2016-07-03 · 3 obs

● 2016-07-03 03:14:46
○ 2026-03-13 10:39:10
○ 2026-06-24 03:07:48

●NSns3.afternic.com2026-03-13 → 2026-06-24 · 3 obs

○ 2016-07-03 03:14:46
● 2026-03-13 10:39:10
● 2026-06-24 03:07:48

●NSns4.afternic.com2026-03-13 → 2026-06-24 · 3 obs

○ 2016-07-03 03:14:46
● 2026-03-13 10:39:10
● 2026-06-24 03:07:48

○MXmail.h-email.net2016-07-03 → 2016-07-03 · 3 obs

● 2016-07-03 03:14:46
○ 2026-03-13 10:39:10
○ 2026-06-24 03:07:48

●A13.248.169.482026-03-13 → 2026-06-24 · 3 obs

○ 2016-07-03 03:14:46
● 2026-03-13 10:39:10
● 2026-06-24 03:07:48

○A173.192.64.1472015-06-11 → 2016-03-07 · 4 obs

● 2015-06-11 16:10:22
● 2016-03-07 15:46:44
○ 2016-07-03 03:14:46
○ 2026-06-24 03:07:48

○A185.53.177.82016-07-03 → 2016-07-03 · 4 obs

○ 2016-03-07 15:46:44
● 2016-07-03 03:14:46
○ 2026-03-13 10:39:10
○ 2026-06-24 03:07:48

●A76.223.54.1462026-03-13 → 2026-06-24 · 3 obs

○ 2016-07-03 03:14:46
● 2026-03-13 10:39:10
● 2026-06-24 03:07:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sehool.com	ns3.afternic.com, ns4.afternic.com	2 records

✅ Authoritative Response

Server:97.74.98.65

NS records: ns3.afternic.com, ns4.afternic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sehool.com (unsigned zone)

⏱️ Timing

Total: 155ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.248.169.48, 76.223.54.146`
NS	2	`ns3.afternic.com, ns4.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns3.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns3.afternic.com, ns4.afternic.com)

Analysis

IP Addresses

nullmx.sehool.com resolves to the IP addresses 13.248.169.48 and 76.223.54.146

aqo.in, www.michaelhutch.com, www.activeandbanflip.com and two other host names share IP numbers with nullmx.sehool.com.

Name Servers

The NS records for nullmx.sehool.com delegate to ns3.afternic.com and ns4.afternic.com.

nullmx.sehool.com uses the same name servers as several other domains — among them qpp.org, easysafar.ai, gameofbros.com and two more.

The name servers for nullmx.sehool.com are partially shared with other domains like jianxing.com, cellworm.com and nsfamily.com

It is common to see these name servers used together with name servers ns1.yuwang.com and ns2.yuwang.com.

ns3.afternic.com directs to 97.74.98.65 and ns4.afternic.com directs to 173.201.66.65; each host name points to exactly one IP number.