`contractor.edu`

DNSSEC	⚠️ Not signed
NS	`ns23.domaincontrol.com` ⚠️ Not in zone NS records
		A	2603:5:2151::c^{🇺🇸 GODADDY-DNS2603:5:2150::/44}
			PTR	`ns23.domaincontrol.com`
		A	97.74.101.12^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns23.domaincontrol.com`
NS	`ns24.domaincontrol.com` ⚠️ Not in zone NS records
		A	2603:5:2251::c^{🇺🇸 GODADDY-DNS2603:5:2250::/44}
			PTR	`ns24.domaincontrol.com`
		A	173.201.69.12^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns24.domaincontrol.com`

`edu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.edu-servers.net` ⭐
	NS	`b.edu-servers.net`
	NS	`c.edu-servers.net`
	NS	`d.edu-servers.net`
	NS	`e.edu-servers.net`
	NS	`f.edu-servers.net`
	NS	`g.edu-servers.net`
	NS	`h.edu-servers.net`
	NS	`i.edu-servers.net`
	NS	`j.edu-servers.net`
	NS	`k.edu-servers.net`
	NS	`l.edu-servers.net`
	NS	`m.edu-servers.net`
	SOA	`a.edu-servers.net`nstld@verisign-grs.com serial=1774845827

Same first word

Similar names

tractorcon.nl

contractro.com

DNS History

4 records (2 active, 2 former)

●NSns23.domaincontrol.com2015-08-02 → 2026-03-30 · 2 obs

● 2015-08-02 23:28:36
● 2026-03-30 05:02:12

●NSns24.domaincontrol.com2015-08-02 → 2026-03-30 · 2 obs

● 2015-08-02 23:28:36
● 2026-03-30 05:02:12

○MXmail.contractor.edu2015-08-02 → 2015-08-02 · 3 obs

● 2015-08-02 23:28:36
○ 2026-03-01 16:34:38
○ 2026-03-30 05:02:12

○A107.180.21.2352015-08-02 → 2015-08-02 · 3 obs

● 2015-08-02 23:28:36
○ 2026-03-01 16:34:38
○ 2026-03-30 05:02:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
edu	d.edu-servers.net, b.edu-servers.net, f.edu-servers.net, h.edu-servers.net...	-
contractor.edu	ns23.domaincontrol.com, ns24.domaincontrol.com	-

✅ Authoritative Response

Server:173.201.69.12

NS records: ns23.domaincontrol.com, ns24.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contractor.edu (unsigned zone)

⏱️ Timing

Total: 402ms | Queries: -

📄 Records

Type	Count	Sample Data

Analysis

Name Servers

Two name servers ns23.domaincontrol.com and ns24.domaincontrol.com handle the delegation for contractor.edu.

contractor.edu shares the same name server setup as other domains, for instance somedir.com, livsothebysrealtyca.com, moglix.in, whereintheworldgoggles.com and marycrable.com.

Host names with two IP numbers:

ns23.domaincontrol.com points to 2603:5:2151::c and 97.74.101.12.

ns24.domaincontrol.com points to 2603:5:2251::c and 173.201.69.12.

contractor.edu - robtex.com

contractor.edu

edu