`programmingteacher.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

programmingteacher.com

DNS History

5 records (3 active, 2 former)

●NSns.buydomains.com2015-06-11 → 2026-03-23 · 2 obs

● 2015-06-11 21:05:18
● 2026-03-23 12:19:52

●NSthis-domain-for-sale.com2026-03-14 → 2026-03-23 · 3 obs

○ 2015-06-11 21:05:18
● 2026-03-14 15:40:34
● 2026-03-23 12:19:52

○A141.8.225.1242016-01-24 → 2016-05-02 · 5 obs

○ 2015-11-01 09:06:30
● 2016-01-24 07:14:14
● 2016-05-02 07:29:56
○ 2017-01-28 02:31:44
○ 2026-03-23 12:19:52

●A207.148.248.1432017-01-28 → 2026-03-23 · 3 obs

○ 2016-05-02 07:29:56
● 2017-01-28 02:31:44
● 2026-03-23 12:19:52

○A50.63.202.1042015-06-11 → 2015-11-01 · 5 obs

○ 2008-03-20 05:10:52
● 2015-06-11 21:05:18
● 2015-11-01 09:06:30
○ 2016-01-24 07:14:14
○ 2026-03-23 12:19:52

🔍 DNS Trace

📋 Delegation Chain

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

⏱️ Timing

Total: 3538ms | 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

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

other host names for instance spellaid.com, ouradoptions.com, edcenters.com, ns.csgroups.com and familyplan.net share IP numbers with programmingteacher.com.

Name Servers

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

programmingteacher.com shares the same name server setup as other domains, for example fitnesschief.com, everyprofit.com, onlinesc.com, rescuelinks.com and everynationchurch.com.

programmingteacher.com at least partially shares name servers with other domains, for example hoogan.com and extraordinaryconcepts.com.

Host names with a single IP number:

this-domain-for-sale.com points to 52.20.26.87 and ns.buydomains.com points to 52.20.26.87.

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

programmingteacher.com - robtex.com