`programmingprinciples.com`

DNSSEC	⚠️ Not signed
A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}
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=1781112303

DNS History

5 records (3 active, 2 former)

●NSns.buydomains.com2026-06-10 → 2026-06-10 · 1 obs

● 2026-06-10 17:58:40

●NSthis-domain-for-sale.com2026-06-10 → 2026-06-10 · 1 obs

● 2026-06-10 17:58:40

●A207.148.248.1432015-10-18 → 2026-06-10 · 3 obs

○ 2015-05-28 06:03:36
● 2015-10-18 05:31:06
● 2026-06-10 17:58:40

○A208.254.26.1322008-03-19 → 2008-03-19 · 3 obs

● 2008-03-19 22:57:24
○ 2015-05-28 06:03:36
○ 2026-06-10 17:58:40

○A66.151.181.492015-05-28 → 2015-05-28 · 4 obs

○ 2008-03-19 22:57:24
● 2015-05-28 06:03:36
○ 2015-10-18 05:31:06
○ 2026-06-10 17:58:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
programmingprinciples.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.20.26.87

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programmingprinciples.com (unsigned zone)

⏱️ Timing

Total: 4786ms | 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

programmingprinciples.com resolves to just one IP address, 207.148.248.143.

Two other host names, along with elizabethscloset.com, ballparknews.com and pernim.com, also share IP numbers with programmingprinciples.com.

Name Servers

programmingprinciples.com has two authoritative name servers — this-domain-for-sale.com and ns.buydomains.com.

programmingprinciples.com shares its NS records with other domains, for example fundmalaysia.com, compmod.com, candiedcupcakes.com and two others.

programmingprinciples.com shares at least some of its name servers with other domains, for example inspiredpantry.com, fiveadventures.com, uneys.com and genwebs.com.

These name servers tend to be used in conjunction with the name servers ns2.buydomains.com.

this-domain-for-sale.com and ns.buydomains.com each point to one IP address — 52.20.26.87.

The host names this-domain-for-sale.com and ns.buydomains.com both resolve to 52.20.26.87 IP addresses.

programmingprinciples.com - robtex.com