`fieldinstructor.com`

DNSSEC	⚠️ Not signed
A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}
		PTR	`ip-207-148-248-143.defastlink.net`
NS	`ns.buydomains.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`
NS	`this-domain-for-sale.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.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=1771291435

Same first word

fieldinstructor.com

DNS History

8 records (3 active, 5 former)

●NSns.buydomains.com2026-03-04 → 2026-03-23 · 3 obs

○ 2017-08-16 14:41:44
● 2026-03-04 11:18:20
● 2026-03-23 11:50:02

○NSns21.domaincontrol.com2015-10-31 → 2017-08-16 · 4 obs

● 2015-10-31 19:19:12
● 2017-08-16 14:41:44
○ 2026-03-04 11:18:20
○ 2026-03-23 11:50:02

○NSns22.domaincontrol.com2015-10-31 → 2017-08-16 · 4 obs

● 2015-10-31 19:19:12
● 2017-08-16 14:41:44
○ 2026-03-04 11:18:20
○ 2026-03-23 11:50:02

●NSthis-domain-for-sale.com2026-03-04 → 2026-03-23 · 3 obs

○ 2017-08-16 14:41:44
● 2026-03-04 11:18:20
● 2026-03-23 11:50:02

○MXmailstore1.secureserver.net2015-10-31 → 2017-08-16 · 4 obs

● 2015-10-31 19:19:12
● 2017-08-16 14:41:44
○ 2026-03-04 11:18:20
○ 2026-03-23 11:50:02

○MXsmtp.secureserver.net2015-10-31 → 2017-08-16 · 4 obs

● 2015-10-31 19:19:12
● 2017-08-16 14:41:44
○ 2026-03-04 11:18:20
○ 2026-03-23 11:50:02

○A184.168.221.462015-10-31 → 2017-08-16 · 4 obs

● 2015-10-31 19:19:12
● 2017-08-16 14:41:44
○ 2026-03-04 11:18:20
○ 2026-03-23 11:50:02

●A207.148.248.1432026-03-04 → 2026-03-23 · 3 obs

○ 2017-08-16 14:41:44
● 2026-03-04 11:18:20
● 2026-03-23 11:50:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net...	-
fieldinstructor.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.4.207.204

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for fieldinstructor.com (unsigned zone)

⏱️ Timing

Total: 1557ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.148.248.143`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

IP Addresses

fieldinstructor.com points to a single IP number: 207.148.248.143.

Other host names, for instance chaisty.com, designerskins.com, casadecristo.com, alphaadventures.com and getcoop.com share IP numbers with fieldinstructor.com.

Name Servers

fieldinstructor.com is delegated to two name servers: this-domain-for-sale.com and ns.buydomains.com.

fieldinstructor.com uses the same name server setup as other domains, for instance dnastrand.com, egyptiansilk.com, royalrussian.com, webdynamique.com and corebiology.com.

Host names with a single IP number:

this-domain-for-sale.com points to 52.20.26.87.

ns.buydomains.com points to 52.20.26.87.

Host names pointing to 52.20.26.87: this-domain-for-sale.com and ns.buydomains.com.

fieldinstructor.com - robtex.com