`spconventschool.com`

DNSSEC	⚠️ Not signed
A	140.245.222.214^{🇺🇸 ORACLE-OCI-31898140.245.192.0/18 Oracle Corporation}
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`
MX	`us2.mx1.mailhostbox.com` ⭐
		A	162.215.3.26^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-3-26.unifiedlayer.com`
MX	`us2.mx2.mailhostbox.com` ⭐
		A	162.215.2.27^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-2-27.unifiedlayer.com`
MX	`us2.mx3.mailhostbox.com` ⭐
		A	162.215.3.25^{🇺🇸 EIGI162.214.0.0/15 Unified Layer}
			PTR	`162-215-3-25.unifiedlayer.com`
TXT	`v=spf1 redirect=_spf.mailhostbox.com`
SOA	`dns1.bigrock.in`razmi@meemtss.gmail.com 2025-02-04 #2

`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=1784543557

Same first word

spconventschool.com

DNS History

18 records (8 active, 10 former)

●NSdns1.bigrock.in2026-03-21 → 2026-07-20 · 3 obs

○ 2017-05-24 06:52:54
● 2026-03-21 07:12:28
● 2026-07-20 10:48:24

○NSdns10.parkpage.foundationapi.com2016-09-19 → 2016-09-19 · 4 obs

○ 2016-03-29 03:04:10
● 2016-09-19 19:34:00
○ 2017-05-24 06:52:54
○ 2026-07-20 10:48:24

○NSdns11.parkpage.foundationapi.com2016-09-19 → 2016-09-19 · 4 obs

○ 2016-03-29 03:04:10
● 2016-09-19 19:34:00
○ 2017-05-24 06:52:54
○ 2026-07-20 10:48:24

●NSdns2.bigrock.in2026-03-21 → 2026-07-20 · 3 obs

○ 2017-05-24 06:52:54
● 2026-03-21 07:12:28
● 2026-07-20 10:48:24

●NSdns3.bigrock.in2026-03-21 → 2026-07-20 · 3 obs

○ 2017-05-24 06:52:54
● 2026-03-21 07:12:28
● 2026-07-20 10:48:24

●NSdns4.bigrock.in2026-03-21 → 2026-07-20 · 3 obs

○ 2017-05-24 06:52:54
● 2026-03-21 07:12:28
● 2026-07-20 10:48:24

○NSdns9.parkpage.foundationapi.com2016-09-19 → 2016-09-19 · 4 obs

○ 2016-03-29 03:04:10
● 2016-09-19 19:34:00
○ 2017-05-24 06:52:54
○ 2026-07-20 10:48:24

○NSns.netbridgeindia.com2015-10-16 → 2016-03-29 · 5 obs

○ 2015-04-21 13:35:14
● 2015-10-16 06:45:42
● 2016-03-29 03:04:10
○ 2016-09-19 19:34:00
○ 2026-07-20 10:48:24

○NSns.spconventschool.com2015-04-21 → 2015-04-21 · 3 obs

● 2015-04-21 13:35:14
○ 2015-10-16 06:45:42
○ 2026-07-20 10:48:24

○NSns1.netbridgeindia.com2015-10-16 → 2016-03-29 · 5 obs

○ 2015-04-21 13:35:14
● 2015-10-16 06:45:42
● 2016-03-29 03:04:10
○ 2016-09-19 19:34:00
○ 2026-07-20 10:48:24

○MXmail.spconventschool.com2015-04-21 → 2016-03-29 · 4 obs

● 2015-04-21 13:35:14
● 2016-03-29 03:04:10
○ 2016-09-19 19:34:00
○ 2026-07-20 10:48:24

●MXus2.mx1.mailhostbox.com2026-03-21 → 2026-07-20 · 3 obs

○ 2016-09-19 19:34:00
● 2026-03-21 07:12:28
● 2026-07-20 10:48:24

●MXus2.mx2.mailhostbox.com2026-03-21 → 2026-07-20 · 3 obs

○ 2016-09-19 19:34:00
● 2026-03-21 07:12:28
● 2026-07-20 10:48:24

●MXus2.mx3.mailhostbox.com2026-03-21 → 2026-07-20 · 3 obs

○ 2016-09-19 19:34:00
● 2026-03-21 07:12:28
● 2026-07-20 10:48:24

○A103.231.43.2072015-10-16 → 2016-03-29 · 5 obs

○ 2015-04-21 13:35:14
● 2015-10-16 06:45:42
● 2016-03-29 03:04:10
○ 2016-09-19 19:34:00
○ 2026-07-20 10:48:24

●A140.245.222.2142026-03-21 → 2026-07-20 · 6 obs

○ 2017-05-24 06:52:54
● 2026-03-21 07:12:28
● 2026-05-21 03:41:42
○ 2026-05-25 07:41:22
● 2026-06-03 04:34:24
● 2026-07-20 10:48:24

○A182.18.175.972015-04-21 → 2015-04-21 · 3 obs

● 2015-04-21 13:35:14
○ 2015-10-16 06:45:42
○ 2026-07-20 10:48:24

○A209.99.40.2232016-09-19 → 2016-09-19 · 4 obs

○ 2016-03-29 03:04:10
● 2016-09-19 19:34:00
○ 2017-05-24 06:52:54
○ 2026-07-20 10:48:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, l.gtld-servers.net, h.gtld-servers.net, f.gtld-servers.net...	-
spconventschool.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 spconventschool.com (unsigned zone)

⏱️ Timing

Total: 937ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`140.245.222.214`
NS	4	`dns4.bigrock.in, dns2.bigrock.in...`
MX	3	`us2.mx2.mailhostbox.com (pri: 100), us2.mx3.mailhostbox.com (pri: 100)...`
TXT	1	`v=spf1 redirect=_spf.mailhostbox.com`
SOA	1	`dns1.bigrock.in razmi.meemtss.gmail.com`

Analysis

IP Addresses

spconventschool.com directs to one IP number, which is 140.245.222.214.

Name Servers

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

There is at least partial name server overlap between spconventschool.com and other domains — deeper.org.in, rahulan.com, milgroup.net and two more among them.

These name servers are routinely deployed together with the name servers 208.91.197.91.

dns1.bigrock.in, dns2.bigrock.in, dns3.bigrock.in and dns4.bigrock.in are host names that each resolve to four IP numbers: dns1.bigrock.in resolves to 162.251.82.122, 162.251.82.123, 162.251.82.250 and 162.251.82.251, dns2.bigrock.in resolves to 162.251.82.120, 162.251.82.121, 162.251.82.248 and 162.251.82.249, dns3.bigrock.in resolves to 162.251.82.118, 162.251.82.119, 162.251.82.246 and 162.251.82.247 and dns4.bigrock.in resolves to 162.251.82.124, 162.251.82.125, 162.251.82.252 and 162.251.82.253.

Mail Servers

Incoming mail for spconventschool.com is delivered via three mail servers: us2.mx1.mailhostbox.com, us2.mx2.mailhostbox.com and us2.mx3.mailhostbox.com.

spconventschool.com shares at least some of its mail servers with other domains — for example atvpl.com, karabas.eu, icma.mn and two more.

It is common to find these mail servers paired with mail servers aspmx.l.google.com, alt1.aspmx.l.google.com, alt2.aspmx.l.google.com and 4 more.

us2.mx1.mailhostbox.com, us2.mx2.mailhostbox.com and us2.mx3.mailhostbox.com each resolve to a single IP address: us2.mx1.mailhostbox.com resolves to 162.215.3.26, us2.mx2.mailhostbox.com resolves to 162.215.2.27 and us2.mx3.mailhostbox.com resolves to 162.215.3.25.

spconventschool.com - robtex.com