`nullmx.3cschool.com`

DNSSEC	⚠️ Not signed
A	103.224.182.244^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
		PTR	`lb-182-244.above.com`
NS	`ns1.abovedomains.com` ⭐ ⚠️ Not in parent delegation
		A	103.224.182.9^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns1.above.com`
		A	103.224.182.77^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns1.above.com`
		A	103.224.182.85^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns1.above.com`
		A	103.224.212.9^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns1.above.com`
NS	`ns2.abovedomains.com` ⚠️ Not in parent delegation
		A	103.224.182.10^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns2.above.com`
		A	103.224.212.10^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns2.above.com`
		A	103.224.212.51^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns2.above.com`
		A	103.224.212.53^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`ns2.above.com`
MX	`park-mx.above.com` ⭐
		A	103.224.212.34^{🇦🇺 TRELLIAN-AS-AP103.224.212.0/23 Trellian Pty. Limited 8 East Concourse}
			PTR	`park-mx.above.com`
TXT	`v=spf1 ip6:fdcf:abda:4154::/48 -all`
SOA	`ns1.abovedomains.com`hostmaster@trellian.com 2026-07-27 #1

`3cschool.com`

	DNSSEC	⚠️ Not signed
	A	103.224.182.244^{🇦🇺 TRELLIAN-AS-AP103.224.182.0/23 Trellian Pty. Limited 8 East Concourse}
	NS	`ns1.abovedomains.com` ⭐
	NS	`ns2.abovedomains.com`
	MX	`park-mx.above.com` ⭐
	TXT	`v=spf1 ip6:fdcf:abda:4154::/48 -all`
	SOA	`ns1.abovedomains.com`hostmaster@trellian.com 2026-07-27 #1

Same first word

nullmx.org

nullmx.com

nullmx.net

DNS History

10 records (4 active, 6 former)

●NSns1.abovedomains.com2026-04-06 → 2026-07-26 · 3 obs

○ 2016-09-26 10:07:16
● 2026-04-06 08:00:58
● 2026-07-26 22:27:58

○NSns1.parkingcrew.net2015-06-11 → 2016-09-26 · 4 obs

● 2015-06-11 00:44:18
● 2016-09-26 10:07:16
○ 2026-04-06 08:00:58
○ 2026-07-26 22:27:58

●NSns2.abovedomains.com2026-04-06 → 2026-07-26 · 3 obs

○ 2016-09-26 10:07:16
● 2026-04-06 08:00:58
● 2026-07-26 22:27:58

○NSns2.parkingcrew.net2015-06-11 → 2016-09-26 · 4 obs

● 2015-06-11 00:44:18
● 2016-09-26 10:07:16
○ 2026-04-06 08:00:58
○ 2026-07-26 22:27:58

○MXmail.h-email.net2015-06-11 → 2016-09-26 · 4 obs

● 2015-06-11 00:44:18
● 2016-09-26 10:07:16
○ 2026-04-06 08:00:58
○ 2026-07-26 22:27:58

●MXpark-mx.above.com2026-04-06 → 2026-07-26 · 3 obs

○ 2016-09-26 10:07:16
● 2026-04-06 08:00:58
● 2026-07-26 22:27:58

●A103.224.182.2442026-07-08 → 2026-07-26 · 3 obs

○ 2026-04-06 08:00:58
● 2026-07-08 06:34:28
● 2026-07-26 22:27:58

○A103.224.212.2022026-04-06 → 2026-04-06 · 4 obs

○ 2016-09-26 10:07:16
● 2026-04-06 08:00:58
○ 2026-07-08 06:34:28
○ 2026-07-26 22:27:58

○A185.53.179.82015-06-11 → 2016-09-26 · 7 obs

● 2015-06-11 00:44:18
● 2015-10-30 15:05:10
○ 2016-01-16 15:52:10
● 2016-04-07 06:17:18
● 2016-09-26 10:07:16
○ 2026-04-06 08:00:58
○ 2026-07-26 22:27:58

○A54.72.9.512016-01-16 → 2016-01-16 · 4 obs

○ 2015-10-30 15:05:10
● 2016-01-16 15:52:10
○ 2016-04-07 06:17:18
○ 2026-07-26 22:27:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
3cschool.com	ns1.abovedomains.com, ns2.abovedomains.com	8 records

✅ Authoritative Response

Server:103.224.182.10

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 3cschool.com (unsigned zone)

⏱️ Timing

Total: 247ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`103.224.182.244`
NS	2	`ns2.abovedomains.com, ns1.abovedomains.com`
MX	1	`park-mx.above.com (pri: 10)`
TXT	1	`v=spf1 ip6:fdcf:abda:4154::/48 -all`
SOA	1	`ns1.abovedomains.com hostmaster.trellian`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.abovedomains.com, ns1.abovedomains.com, ns1.abovedomains.com...)

Analysis

IP Addresses

nullmx.3cschool.com resolves to one IP address: 103.224.182.244.

www.moev.com, www.cottageflowersandgarden.com.au, funkp.com and two other host names share IP numbers with nullmx.3cschool.com.

Name Servers

DNS delegation for nullmx.3cschool.com points to two name servers: ns1.abovedomains.com and ns2.abovedomains.com.

nullmx.3cschool.com uses the same name servers as several other domains — among them 66-23-224-246.clients.speedfactory.net, mail.rccongelboats.com, www.clearout.com and two more.

There is at least partial name server overlap between nullmx.3cschool.com and other domains — sustainabilitysa.org, upstartup.co, uccbelmont.org and two more among them.

These name servers regularly appear alongside 5014.ns1.abovedomains.com, 5014.ns2.abovedomains.com, ns1.above.com and 7 other name servers in NS record sets.

Each of the hosts ns1.abovedomains.com and ns2.abovedomains.com has four IP addresses: ns1.abovedomains.com points to 103.224.182.9, 103.224.182.77, 103.224.182.85 and 103.224.212.9, and ns2.abovedomains.com points to 103.224.182.10, 103.224.212.10, 103.224.212.51 and 103.224.212.53.

Mail Servers

Mail for nullmx.3cschool.com is handled by a single mail server, park-mx.above.com.

nullmx.3cschool.com uses an identical mail server configuration to several other domains — among them www.atde.net, startit.com, visualize-version.anwap.bio and two more.

park-mx.above.com has exactly one IP number: 103.224.212.34.

nullmx.3cschool.com - robtex.com