`dedhamhighschool.org`

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`

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1775207229

Same first word

dedhamhighschool.org

DNS History

5 records (3 active, 2 former)

●NSns.highschoolnetwork.net2026-03-12 → 2026-04-03 · 2 obs

● 2026-03-12 11:01:08
● 2026-04-03 09:28:58

●NSnsx.highschoolnetwork.net2026-03-12 → 2026-04-03 · 2 obs

● 2026-03-12 11:01:08
● 2026-04-03 09:28:58

●A54.197.224.1002026-03-12 → 2026-04-03 · 3 obs

○ 2018-09-06 02:05:10
● 2026-03-12 11:01:08
● 2026-04-03 09:28:58

○A54.197.224.1512015-06-03 → 2017-01-01 · 4 obs

● 2015-06-03 12:05:24
● 2017-01-01 00:19:04
○ 2018-09-06 02:05:10
○ 2026-04-03 09:28:58

○CNAMEmain-vpc-1669386371.us-east-1.elb.amazonaws.com2018-09-06 → 2018-09-06 · 3 obs

● 2018-09-06 02:05:10
○ 2026-03-12 11:01:08
○ 2026-04-03 09:28:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
dedhamhighschool.org	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 dedhamhighschool.org (unsigned zone)

⏱️ Timing

Total: 402ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`54.197.224.100`

Analysis

IP Addresses

dedhamhighschool.org points to a single IP number: 54.197.224.100.

Other host names, for instance marlboroughhighschool.org, humphreyscountyhighschool.com, pearlandhighschool.net, auburnriversidehighschool.org and edgewaterhighschoolalumni.com share IP numbers with dedhamhighschool.org.

Name Servers

Delegation for dedhamhighschool.org rests with two name servers, ns.highschoolnetwork.net and nsx.highschoolnetwork.net.

dedhamhighschool.org shares the same name server setup as other domains, including murrayhighschool.net, eastgrandforkshighschool.com, mandanhighschool.org, lamarhighschoolalumni.org and harlemhighschool.org.

Host names sharing a single IP:

ns.highschoolnetwork.net points to 54.197.224.100

nsx.highschoolnetwork.net points to 54.197.224.100

Host names that point to 54.197.224.100: ns.highschoolnetwork.net and nsx.highschoolnetwork.net

dedhamhighschool.org - robtex.com