programmingmasterclass.com - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`programmingmasterclass.com`

DNSSEC	⚠️ Not signed
A	37.16.0.21^{🇺🇸 FLYIO-137.16.0.0/23 Fly.io Edge Network}
		PTR	`ip-37-16-0-21.customer.flyio.net`
NS	`dns1.bigrock.in` ⭐
		A	162.251.82.122^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.122.reverse.myorderbox.com`
		A	162.251.82.123^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.123.reverse.myorderbox.com`
		A	162.251.82.250^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.250.reverse.myorderbox.com`
		A	162.251.82.251^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.251.reverse.myorderbox.com`
NS	`dns2.bigrock.in`
		A	162.251.82.120^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.120.reverse.myorderbox.com`
		A	162.251.82.121^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.121.reverse.myorderbox.com`
		A	162.251.82.248^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.248.reverse.myorderbox.com`
		A	162.251.82.249^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.249.reverse.myorderbox.com`
NS	`dns3.bigrock.in`
		A	162.251.82.118^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.118.reverse.myorderbox.com`
		A	162.251.82.119^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.119.reverse.myorderbox.com`
		A	162.251.82.246^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.246.reverse.myorderbox.com`
		A	162.251.82.247^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.247.reverse.myorderbox.com`
NS	`dns4.bigrock.in`
		A	162.251.82.124^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.124.reverse.myorderbox.com`
		A	162.251.82.125^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.125.reverse.myorderbox.com`
		A	162.251.82.252^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.252.reverse.myorderbox.com`
		A	162.251.82.253^{🇺🇸 Cloudflare162.251.82.0/24 PDR}
			PTR	`162.251.82.253.reverse.myorderbox.com`
SOA	`dns1.bigrock.in`gauravjain2727@gmail.com 2025-03-21 #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=1788201785

Same first word

programmingmasterclass.com

Previous names

Next names

DNS History

13 records (5 active, 8 former)

●NSdns1.bigrock.in2026-08-30 → 2026-08-31 · 3 obs

○ 2020-01-31 12:03:50
● 2026-08-30 06:58:44
● 2026-08-31 19:04:44

●NSdns2.bigrock.in2026-08-30 → 2026-08-31 · 3 obs

○ 2020-01-31 12:03:50
● 2026-08-30 06:58:44
● 2026-08-31 19:04:44

●NSdns3.bigrock.in2026-08-30 → 2026-08-31 · 3 obs

○ 2020-01-31 12:03:50
● 2026-08-30 06:58:44
● 2026-08-31 19:04:44

●NSdns4.bigrock.in2026-08-30 → 2026-08-31 · 3 obs

○ 2020-01-31 12:03:50
● 2026-08-30 06:58:44
● 2026-08-31 19:04:44

○NSns1.gratisdns.dk2015-05-25 → 2015-12-11 · 4 obs

● 2015-05-25 05:12:18
● 2015-12-11 07:57:04
○ 2016-03-17 10:54:48
○ 2026-08-31 19:04:44

○NSns2.gratisdns.dk2015-05-25 → 2015-12-11 · 4 obs

● 2015-05-25 05:12:18
● 2015-12-11 07:57:04
○ 2016-03-17 10:54:48
○ 2026-08-31 19:04:44

○NSns3.gratisdns.dk2015-05-25 → 2015-12-11 · 4 obs

● 2015-05-25 05:12:18
● 2015-12-11 07:57:04
○ 2016-03-17 10:54:48
○ 2026-08-31 19:04:44

○NSns4.gratisdns.dk2015-05-25 → 2015-12-11 · 4 obs

● 2015-05-25 05:12:18
● 2015-12-11 07:57:04
○ 2016-03-17 10:54:48
○ 2026-08-31 19:04:44

○NSns5.gratisdns.dk2015-05-25 → 2015-12-11 · 4 obs

● 2015-05-25 05:12:18
● 2015-12-11 07:57:04
○ 2016-03-17 10:54:48
○ 2026-08-31 19:04:44

○NSns77.domaincontrol.com2020-01-31 → 2020-01-31 · 4 obs

○ 2016-03-17 10:54:48
● 2020-01-31 12:03:50
○ 2026-08-30 06:58:44
○ 2026-08-31 19:04:44

○NSns78.domaincontrol.com2020-01-31 → 2020-01-31 · 4 obs

○ 2016-03-17 10:54:48
● 2020-01-31 12:03:50
○ 2026-08-30 06:58:44
○ 2026-08-31 19:04:44

●A37.16.0.212026-08-30 → 2026-08-31 · 3 obs

○ 2020-01-31 12:03:50
● 2026-08-30 06:58:44
● 2026-08-31 19:04:44

○A50.63.202.502020-01-31 → 2020-01-31 · 3 obs

● 2020-01-31 12:03:50
○ 2026-08-30 06:58:44
○ 2026-08-31 19:04:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net...	-
programmingmasterclass.com	dns1.bigrock.in, dns2.bigrock.in, dns3.bigrock.in, dns4.bigrock.in	-

✅ Authoritative Response

Server:162.251.82.251

NS records: dns1.bigrock.in, dns2.bigrock.in, dns3.bigrock.in, dns4.bigrock.in

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for programmingmasterclass.com (unsigned zone)

⏱️ Timing

Total: 477ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.16.0.21`
NS	4	`dns4.bigrock.in, dns3.bigrock.in...`
SOA	1	`dns1.bigrock.in gauravjain2727.gmail.com`

Analysis

IP Addresses

programmingmasterclass.com directs to one IP number, which is 37.16.0.21.

Among the host names that share IP numbers with programmingmasterclass.com are taxwizers.com, smilinginvestors.com, avadheshmaurya.com and two others.

Name Servers

The domain programmingmasterclass.com is delegated to these four name servers: dns1.bigrock.in, dns2.bigrock.in, dns3.bigrock.in and dns4.bigrock.in.

programmingmasterclass.com has at least partial name server overlap with other domains, such as robodog.in, regenfi.tech, mylittleone.co.in and two others.

It is common to find these name servers paired with the name servers 208.91.197.91.

Each hostname dns1.bigrock.in, dns2.bigrock.in, dns3.bigrock.in and dns4.bigrock.in has four IP addresses: dns1.bigrock.in has 162.251.82.122, 162.251.82.123, 162.251.82.250 and 162.251.82.251; dns2.bigrock.in has 162.251.82.120, 162.251.82.121, 162.251.82.248 and 162.251.82.249; dns3.bigrock.in has 162.251.82.118, 162.251.82.119, 162.251.82.246 and 162.251.82.247; dns4.bigrock.in has 162.251.82.124, 162.251.82.125, 162.251.82.252 and 162.251.82.253.