ibcourse.com - dns.ninja

`ibcourse.com`

DNSSEC	⚠️ Not signed
NS	`dns1.p01.nsone.net` ⭐
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p01.nsone.net`
NS	`dns1.p07.nsone.net`
		A	2620:4d:4000:6259:7:7:0:1^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns1.p07.nsone.net`
		A	198.51.44.7^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns1.p07.nsone.net`
NS	`dns2.p07.nsone.net`
		A	2a00:edc0:6259:7:7::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p07.nsone.net`
		A	198.51.45.7^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns2.p07.nsone.net`
NS	`dns3.p07.nsone.net`
		A	2620:4d:4000:6259:7:7:0:3^{🇺🇸 NSONE2620:4d:4000::/48 PNAP-ACS nsone-1}
			PTR	`dns3.p07.nsone.net`
		A	198.51.44.71^{🇺🇸 NSONE198.51.44.0/24}
			PTR	`dns3.p07.nsone.net`
NS	`dns4.p07.nsone.net`
		A	2a00:edc0:6259:7:7::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p07.nsone.net`
		A	198.51.45.71^{🇺🇸 NSONE198.51.45.0/24}
			PTR	`dns4.p07.nsone.net`
SOA	`dns1.p01.nsone.net`domains+netlify@netlify.com serial=1772886627

`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=1786566039

Same first word

ibcourse.com

Similar names

ubiscore.com

brecious.com

busicore.com

icbourse.com

bicourse.com

eurobics.com

biosecur.de

biosecur.com

securbio.net

cruiseob.com

securbio.fr

becurios.com

DNS History

20 records (5 active, 15 former)

●NSdns1.p01.nsone.net2026-06-18 → 2026-08-12 · 3 obs

○ 2017-09-29 18:27:18
● 2026-06-18 01:57:58
● 2026-08-12 20:25:56

●NSdns1.p07.nsone.net2026-06-18 → 2026-08-12 · 3 obs

○ 2017-09-29 18:27:18
● 2026-06-18 01:57:58
● 2026-08-12 20:25:56

●NSdns2.p07.nsone.net2026-06-18 → 2026-08-12 · 3 obs

○ 2017-09-29 18:27:18
● 2026-06-18 01:57:58
● 2026-08-12 20:25:56

●NSdns3.p07.nsone.net2026-06-18 → 2026-08-12 · 3 obs

○ 2017-09-29 18:27:18
● 2026-06-18 01:57:58
● 2026-08-12 20:25:56

●NSdns4.p07.nsone.net2026-06-18 → 2026-08-12 · 3 obs

○ 2017-09-29 18:27:18
● 2026-06-18 01:57:58
● 2026-08-12 20:25:56

○NSh2h.earth.orderbox-dns.com2017-09-29 → 2017-09-29 · 4 obs

○ 2016-12-15 11:21:52
● 2017-09-29 18:27:18
○ 2026-06-18 01:57:58
○ 2026-08-12 20:25:56

○NSh2h.mars.orderbox-dns.com2017-09-29 → 2017-09-29 · 4 obs

○ 2016-12-15 11:21:52
● 2017-09-29 18:27:18
○ 2026-06-18 01:57:58
○ 2026-08-12 20:25:56

○NSh2h.mercury.orderbox-dns.com2017-09-29 → 2017-09-29 · 4 obs

○ 2016-12-15 11:21:52
● 2017-09-29 18:27:18
○ 2026-06-18 01:57:58
○ 2026-08-12 20:25:56

○NSh2h.venus.orderbox-dns.com2017-09-29 → 2017-09-29 · 4 obs

○ 2016-12-15 11:21:52
● 2017-09-29 18:27:18
○ 2026-06-18 01:57:58
○ 2026-08-12 20:25:56

○NSns202.goforhosting.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 11:21:52
○ 2017-09-29 18:27:18
○ 2026-08-12 20:25:56

○NSns203.goforhosting.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 11:21:52
○ 2017-09-29 18:27:18
○ 2026-08-12 20:25:56

○NSns69.domaincontrol.com2026-06-18 → 2026-08-12 · 2 obs

○ 2026-06-18 01:57:58
○ 2026-08-12 20:25:56

○NSns70.domaincontrol.com2026-06-18 → 2026-08-12 · 2 obs

○ 2026-06-18 01:57:58
○ 2026-08-12 20:25:56

○MXmail.net4india.com2016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 11:21:52
○ 2017-09-29 18:27:18
○ 2026-08-12 20:25:56

○MXus2.mx1.mailhostbox.com2017-09-29 → 2017-09-29 · 4 obs

○ 2016-12-15 11:21:52
● 2017-09-29 18:27:18
○ 2026-06-18 01:57:58
○ 2026-08-12 20:25:56

○MXus2.mx2.mailhostbox.com2017-09-29 → 2017-09-29 · 4 obs

○ 2016-12-15 11:21:52
● 2017-09-29 18:27:18
○ 2026-06-18 01:57:58
○ 2026-08-12 20:25:56

○MXus2.mx3.mailhostbox.com2017-09-29 → 2017-09-29 · 4 obs

○ 2016-12-15 11:21:52
● 2017-09-29 18:27:18
○ 2026-06-18 01:57:58
○ 2026-08-12 20:25:56

○A111.118.177.932016-12-15 → 2016-12-15 · 3 obs

● 2016-12-15 11:21:52
○ 2017-09-29 18:27:18
○ 2026-08-12 20:25:56

○A15.197.148.332026-06-18 → 2026-08-12 · 2 obs

○ 2026-06-18 01:57:58
○ 2026-08-12 20:25:56

○A3.33.130.1902026-06-18 → 2026-08-12 · 2 obs

○ 2026-06-18 01:57:58
○ 2026-08-12 20:25:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net...	-
ibcourse.com	dns1.p07.nsone.net, dns2.p07.nsone.net, dns3.p07.nsone.net, dns4.p07.nsone.net	-

✅ Authoritative Response

Server:198.51.45.7

NS records: dns1.p07.nsone.net, dns2.p07.nsone.net, dns3.p07.nsone.net, dns4.p07.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ibcourse.com (unsigned zone)

⏱️ Timing

Total: 391ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`dns1.p07.nsone.net, dns2.p07.nsone.net...`
SOA	1	`dns1.p01.nsone.net domains+netlify.netli`

Analysis

Name Servers

Five name servers handle delegation for ibcourse.com: dns1.p01.nsone.net, dns1.p07.nsone.net, dns2.p07.nsone.net and two others.

At least some of ibcourse.com's name servers are shared with other domains, for example saltind.com, amatyakaraka.com, themoyalfoundation.com and two more.

These name servers tend to co-occur with dns4.p07.nsone.net, dns3.p07.nsone.net, ns02.squarespacedns.com and 7 other name servers in the same DNS delegations.

Host names pointing to two IP addresses:

dns1.p01.nsone.net directs traffic to 198.51.44.1 and 2620:4d:4000:6259:7:1:0:1.

dns1.p07.nsone.net directs traffic to 198.51.44.7 and 2620:4d:4000:6259:7:7:0:1.

dns2.p07.nsone.net directs traffic to 198.51.45.7 and 2a00:edc0:6259:7:7::2.

dns3.p07.nsone.net directs traffic to 198.51.44.71 and 2620:4d:4000:6259:7:7:0:3.

dns4.p07.nsone.net directs traffic to 198.51.45.71 and 2a00:edc0:6259:7:7::4.