`preprogrammer.com`

DNSSEC	⚠️ Not signed
A	185.183.182.144^{🇬🇧 DimeNOC185.183.182.0/24 HostDime.com Route Object}
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` ⚠️ Not in parent delegation
		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` ⚠️ Not in parent delegation
		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`jinto1729@gmail.com 2026-02-21 #4

`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=1774587847

Same first word

preprogrammer.com

Similar names

propergrammer.com

DNS History

16 records (5 active, 11 former)

●NSdns1.bigrock.in2026-02-25 → 2026-03-27 · 3 obs

○ 2019-01-26 15:57:36
● 2026-02-25 10:57:26
● 2026-03-27 05:17:56

●NSdns2.bigrock.in2026-02-25 → 2026-03-27 · 3 obs

○ 2019-01-26 15:57:36
● 2026-02-25 10:57:26
● 2026-03-27 05:17:56

●NSdns3.bigrock.in2026-02-25 → 2026-03-27 · 3 obs

○ 2019-01-26 15:57:36
● 2026-02-25 10:57:26
● 2026-03-27 05:17:56

●NSdns4.bigrock.in2026-02-25 → 2026-03-27 · 3 obs

○ 2019-01-26 15:57:36
● 2026-02-25 10:57:26
● 2026-03-27 05:17:56

○NSns1.preprogrammer.com2019-01-26 → 2019-01-26 · 4 obs

○ 2017-01-05 01:59:38
● 2019-01-26 15:57:36
○ 2026-02-25 10:57:26
○ 2026-03-27 05:17:56

○NSns2.preprogrammer.com2019-01-26 → 2019-01-26 · 4 obs

○ 2017-01-05 01:59:38
● 2019-01-26 15:57:36
○ 2026-02-25 10:57:26
○ 2026-03-27 05:17:56

○NSns25.domaincontrol.com2026-02-25 → 2026-03-27 · 2 obs

○ 2026-02-25 10:57:26
○ 2026-03-27 05:17:56

○NSns26.domaincontrol.com2026-02-25 → 2026-03-27 · 2 obs

○ 2026-02-25 10:57:26
○ 2026-03-27 05:17:56

○NSns33.domaincontrol.com2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 01:59:38
○ 2019-01-26 15:57:36
○ 2026-03-27 05:17:56

○NSns34.domaincontrol.com2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 01:59:38
○ 2019-01-26 15:57:36
○ 2026-03-27 05:17:56

○MXmail.preprogrammer.com2019-01-26 → 2019-01-26 · 4 obs

○ 2017-01-05 01:59:38
● 2019-01-26 15:57:36
○ 2026-02-25 10:57:26
○ 2026-03-27 05:17:56

○MXmailstore1.secureserver.net2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 01:59:38
○ 2019-01-26 15:57:36
○ 2026-03-27 05:17:56

○MXsmtp.secureserver.net2017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 01:59:38
○ 2019-01-26 15:57:36
○ 2026-03-27 05:17:56

○A104.251.219.32019-01-26 → 2019-01-26 · 4 obs

○ 2017-01-05 01:59:38
● 2019-01-26 15:57:36
○ 2026-02-25 10:57:26
○ 2026-03-27 05:17:56

○A166.62.10.502017-01-05 → 2017-01-05 · 3 obs

● 2017-01-05 01:59:38
○ 2019-01-26 15:57:36
○ 2026-03-27 05:17:56

●A185.183.182.1442026-02-25 → 2026-03-27 · 3 obs

○ 2019-01-26 15:57:36
● 2026-02-25 10:57:26
● 2026-03-27 05:17:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	m.gtld-servers.net, k.gtld-servers.net, e.gtld-servers.net, c.gtld-servers.net...	-
preprogrammer.com	dns1.bigrock.in, dns2.bigrock.in	-

✅ Authoritative Response

Server:162.251.82.123

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for preprogrammer.com (unsigned zone)

⏱️ Timing

Total: 1432ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.183.182.144`
NS	4	`dns1.bigrock.in, dns2.bigrock.in...`
SOA	1	`dns1.bigrock.in jinto1729.gmail.com`

Analysis

IP Addresses

preprogrammer.com points to a single IP number: 185.183.182.144.

Name Servers

preprogrammer.com is delegated to four name servers: dns1.bigrock.in, dns2.bigrock.in, dns3.bigrock.in and dns4.bigrock.in.

preprogrammer.com shares name servers with other domains at least partially, for instance elachi.info, arecharnutra.com, florenceinvestech.co.in, tgihotels.com and protonplus.info.

these name servers are often used together with the name servers 208.91.197.91.

Host names with four IP numbers:

dns1.bigrock.in points to: 162.251.82.122, 162.251.82.123, 162.251.82.250 and 162.251.82.251

dns2.bigrock.in points to: 162.251.82.120, 162.251.82.121, 162.251.82.248 and 162.251.82.249

dns3.bigrock.in points to: 162.251.82.118, 162.251.82.119, 162.251.82.246 and 162.251.82.247

dns4.bigrock.in points to: 162.251.82.124, 162.251.82.125, 162.251.82.252 and 162.251.82.253

preprogrammer.com - robtex.com