`contractor-school.com`

DNSSEC	⚠️ Not signed
A	174.128.20.151^{🇺🇸 IMDC174.128.20.0/22 Iron Mountain Data Centers, LLC One Federal Street Boston, MA 02111 United States}
		PTR	`io151.mobiletechsupport.com`
NS	`ns07.gcd-dns.com` ⭐
		A	2603:5:21f1::35^{🇺🇸 GODADDY-DNS2603:5:21f0::/44}
			PTR	`pdns07.domaincontrol.com`
		A	97.74.111.53^{🇺🇸 GODADDY-DNS97.74.110.0/23}
			PTR	`pdns07.domaincontrol.com`
NS	`ns08.gcd-dns.com`
		A	2603:5:22f1::35^{🇺🇸 GODADDY-DNS2603:5:22f0::/44}
			PTR	`pdns08.domaincontrol.com`
		A	173.201.79.53^{🇺🇸 GODADDY-DNS173.201.78.0/23}
			PTR	`pdns08.domaincontrol.com`
SOA	`ns07.gcd-dns.com`dns@jomax.net 2024-03-20 #1

`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=1774814347

Same first word

contractor-school.com

DNS History

8 records (3 active, 5 former)

○NSns.contractor-school.com2015-07-24 → 2017-02-11 · 4 obs

● 2015-07-24 08:05:54
● 2017-02-11 18:16:40
○ 2026-02-16 10:37:34
○ 2026-03-29 20:04:40

●NSns07.gcd-dns.com2026-02-16 → 2026-03-29 · 3 obs

○ 2017-02-11 18:16:40
● 2026-02-16 10:37:34
● 2026-03-29 20:04:40

●NSns08.gcd-dns.com2026-02-16 → 2026-03-29 · 3 obs

○ 2017-02-11 18:16:40
● 2026-02-16 10:37:34
● 2026-03-29 20:04:40

○MXmxa-000a5001.gslb.pphosted.com2015-07-24 → 2026-02-16 · 4 obs

● 2015-07-24 08:05:54
● 2026-02-16 10:37:34
○ 2026-02-17 09:46:24
○ 2026-03-29 20:04:40

○MXmxb-000a5001.gslb.pphosted.com2015-07-24 → 2026-02-16 · 4 obs

● 2015-07-24 08:05:54
● 2026-02-16 10:37:34
○ 2026-02-17 09:46:24
○ 2026-03-29 20:04:40

○A174.128.20.1202015-07-24 → 2015-11-23 · 4 obs

● 2015-07-24 08:05:54
● 2015-11-23 15:38:12
○ 2016-02-10 22:30:44
○ 2026-03-29 20:04:40

●A174.128.20.1512026-02-16 → 2026-03-29 · 3 obs

○ 2017-02-11 18:16:40
● 2026-02-16 10:37:34
● 2026-03-29 20:04:40

○A174.128.20.1552016-02-10 → 2017-02-11 · 5 obs

○ 2015-11-23 15:38:12
● 2016-02-10 22:30:44
● 2017-02-11 18:16:40
○ 2026-02-16 10:37:34
○ 2026-03-29 20:04:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
contractor-school.com	ns08.gcd-dns.com, ns07.gcd-dns.com	4 records

✅ Authoritative Response

Server:173.201.79.53

NS records: ns08.gcd-dns.com, ns07.gcd-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for contractor-school.com (unsigned zone)

⏱️ Timing

Total: 97ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`174.128.20.151`
NS	2	`ns07.gcd-dns.com, ns08.gcd-dns.com`
SOA	1	`ns07.gcd-dns.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns08.gcd-dns.com, ns08.gcd-dns.com, ns07.gcd-dns.com...)

Analysis

IP Addresses

contractor-school.com resolves to a single IP: 174.128.20.151.

Other host names share IP numbers with contractor-school.com; for instance io151.mobiletechsupport.com.

Name Servers

contractor-school.com has two name servers: ns07.gcd-dns.com and ns08.gcd-dns.com.

contractor-school.com shares the same name server setup as other domains, for example newercaphilippines.com, oklahomabroadway.com, penthouselingerie.com, dpbperformance.com and weilerwelding.com.

Host names with two IP numbers:

ns07.gcd-dns.com points to: 2603:5:21f1::35 and 97.74.111.53; ns08.gcd-dns.com points to: 2603:5:22f1::35 and 173.201.79.53.

contractor-school.com - robtex.com