`mannheimhighschool.com`

DNSSEC	⚠️ Not signed
A	54.197.224.100^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
		PTR	`ec2-54-197-224-100.compute-1.amazonaws.com`
NS	`ns.highschoolnetwork.net` ⚠️ Not in zone NS records
		A	54.197.224.100^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-224-100.compute-1.amazonaws.com`
NS	`nsx.highschoolnetwork.net` ⚠️ Not in zone NS records
		A	54.197.224.100^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-224-100.compute-1.amazonaws.com`

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1775135912

Same first word

mannheimhighschool.com

DNS History

5 records (3 active, 2 former)

●NSns.highschoolnetwork.net2026-03-04 → 2026-04-02 · 2 obs

● 2026-03-04 05:51:08
● 2026-04-02 13:36:58

●NSnsx.highschoolnetwork.net2026-03-04 → 2026-04-02 · 2 obs

● 2026-03-04 05:51:08
● 2026-04-02 13:36:58

●A54.197.224.1002026-03-04 → 2026-04-02 · 3 obs

○ 2017-09-27 05:05:50
● 2026-03-04 05:51:08
● 2026-04-02 13:36:58

○A54.197.224.1512015-05-30 → 2016-12-09 · 4 obs

● 2015-05-30 09:13:58
● 2016-12-09 01:20:02
○ 2017-09-27 05:05:50
○ 2026-04-02 13:36:58

○CNAMEmain-vpc-1669386371.us-east-1.elb.amazonaws.com2017-09-27 → 2017-09-27 · 3 obs

● 2017-09-27 05:05:50
○ 2026-03-04 05:51:08
○ 2026-04-02 13:36:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...	-
mannheimhighschool.com	ns.highschoolnetwork.net, nsx.highschoolnetwork.net	-

✅ Authoritative Response

Server:54.197.224.100

NS records: ns.highschoolnetwork.net, nsx.highschoolnetwork.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for mannheimhighschool.com (unsigned zone)

⏱️ Timing

Total: 1194ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.197.224.100`

Analysis

IP Addresses

mannheimhighschool.com points to IP number: 54.197.224.100.

Other host names such as southwesthighschoolalumni.com, marlboroughhighschool.org, humphreyscountyhighschool.com, pearlandhighschool.net and auburnriversidehighschool.org share IPs with mannheimhighschool.com.

Name Servers

mannheimhighschool.com is delegated to two name servers: ns.highschoolnetwork.net and nsx.highschoolnetwork.net.

mannheimhighschool.com shares the same name server setup as badgerhighschool.org, dodsonhighschool.com, fortmadisonhighschool.org, reverehighschool.org and boulderhighschool.org.

Host names sharing one IP: ns.highschoolnetwork.net and nsx.highschoolnetwork.net point to 54.197.224.100.

mannheimhighschool.com - robtex.com