`physicsconcept.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

Previously MX for

physicsconcept.com

Same first word

physicsconcept.com

DNS History

8 records (3 active, 5 former)

●NSns.buydomains.com2016-09-07 → 2026-03-22 · 3 obs

○ 2016-03-22 02:07:24
● 2016-09-07 16:54:44
● 2026-03-22 18:49:42

○NSns8325.hostgator.com2015-07-11 → 2016-03-22 · 4 obs

● 2015-07-11 10:52:12
● 2016-03-22 02:07:24
○ 2016-09-07 16:54:44
○ 2026-03-22 18:49:42

○NSns8326.hostgator.com2015-07-11 → 2016-03-22 · 4 obs

● 2015-07-11 10:52:12
● 2016-03-22 02:07:24
○ 2016-09-07 16:54:44
○ 2026-03-22 18:49:42

●NSthis-domain-for-sale.com2026-02-22 → 2026-03-22 · 3 obs

○ 2016-09-07 16:54:44
● 2026-02-22 01:08:32
● 2026-03-22 18:49:42

○MXphysicsconcept.com2015-07-11 → 2016-03-22 · 4 obs

● 2015-07-11 10:52:12
● 2016-03-22 02:07:24
○ 2016-09-07 16:54:44
○ 2026-03-22 18:49:42

○A108.167.140.2302015-07-11 → 2016-03-22 · 4 obs

● 2015-07-11 10:52:12
● 2016-03-22 02:07:24
○ 2016-09-07 16:54:44
○ 2026-03-22 18:49:42

○A141.8.225.1242016-09-07 → 2016-09-07 · 4 obs

○ 2016-03-22 02:07:24
● 2016-09-07 16:54:44
○ 2017-07-10 10:16:50
○ 2026-03-22 18:49:42

●A207.148.248.1432017-07-10 → 2026-03-22 · 3 obs

○ 2016-09-07 16:54:44
● 2017-07-10 10:16:50
● 2026-03-22 18:49:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
physicsconcept.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 physicsconcept.com (unsigned zone)

⏱️ Timing

Total: 97ms | 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

physicsconcept.com resolves to one IP number: 207.148.248.143.

other host names including kidshealthy.org, usild.com, deadlocking.com, www.healthtactics.com and ns1.trainingbooking.com share IP numbers with physicsconcept.com.

Name Servers

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

physicsconcept.com shares the same name server setup as other domains, for instance unionnightclub.com, ornop.com, tinyquilt.com, bargainkingdom.com and organicbabytowels.com.

physicsconcept.com at least partially shares name servers with other domains, for instance lawsofbaking.com, hedgefunddirect.com, buttonsetc.com and kreativekat.com.

Host names with a single IP:

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.

physicsconcept.com - robtex.com