ichapter.com - dns.ninja

`ichapter.com`

DNSSEC	⚠️ Not signed
NS	`ns1x.cengage.net` ⭐ ⚠️ Not in parent delegation
		A	69.32.130.251^{🇺🇸 RoadRunner69.32.130.0/23 Proxy-registered route object for Cengage Learning Inc Attn Communications in CSO Mason, OH 45040}
			PTR	`ns1x.cengage.net`
NS	`dns1.p01.nsone.net` ⚠️ Not in zone NS records
		A	2620:4d:4000:6259:7:1:0:1^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns1.p01.nsone.net`
		A	198.51.44.1^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns1.p01.nsone.net`
NS	`dns2.p01.nsone.net` ⚠️ Not in zone NS records
		A	2a00:edc0:6259:7:1::2^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns2.p01.nsone.net`
		A	198.51.45.1^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns2.p01.nsone.net`
NS	`dns3.p01.nsone.net` ⚠️ Not in zone NS records
		A	2620:4d:4000:6259:7:1:0:3^{🇺🇸 NSONE2620:4d:4000::/48 2620:4D:4000::/48}
			PTR	`dns3.p01.nsone.net`
		A	198.51.44.65^{🇺🇸 NSONE198.51.44.0/24 198.51.44.0}
			PTR	`dns3.p01.nsone.net`
NS	`dns4.p01.nsone.net` ⚠️ Not in zone NS records
		A	2a00:edc0:6259:7:1::4^{🇺🇸 NSONE2a00:edc0:6259::/48 NS1-2}
			PTR	`dns4.p01.nsone.net`
		A	198.51.45.65^{🇺🇸 NSONE198.51.45.0/24 198.51.45.0}
			PTR	`dns4.p01.nsone.net`
NS	`ns2x.cengage.net` ⚠️ Not in parent delegation
		A	69.32.224.38^{🇺🇸 RoadRunner69.32.224.0/24 Proxy-registered route object for Cengage Learning Inc Attn Communications in CSO Mason, OH 45040}
			PTR	`kyindxns4.cengage.net`
			PTR	`ns2.cengage.net`
TXT	`v=spf1 -all`
SOA	`ns1x.cengage.net`hostmaster@ohcinmason.com serial=21

`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=1780951946

Same first word

ichapter.com

ichapter.com.br

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DNS History

9 records (6 active, 3 former)

●NSdns1.p01.nsone.net2026-06-01 → 2026-06-08 · 3 obs

○ 2017-05-17 06:43:58
● 2026-06-01 19:18:02
● 2026-06-08 21:18:06

●NSdns2.p01.nsone.net2026-06-01 → 2026-06-08 · 3 obs

○ 2017-05-17 06:43:58
● 2026-06-01 19:18:02
● 2026-06-08 21:18:06

●NSdns3.p01.nsone.net2026-06-01 → 2026-06-08 · 3 obs

○ 2017-05-17 06:43:58
● 2026-06-01 19:18:02
● 2026-06-08 21:18:06

●NSdns4.p01.nsone.net2026-06-01 → 2026-06-08 · 3 obs

○ 2017-05-17 06:43:58
● 2026-06-01 19:18:02
● 2026-06-08 21:18:06

○NSns1.cengage.net2015-06-08 → 2017-05-17 · 4 obs

● 2015-06-08 05:16:10
● 2017-05-17 06:43:58
○ 2026-06-01 19:18:02
○ 2026-06-08 21:18:06

●NSns1x.cengage.net2026-06-01 → 2026-06-08 · 3 obs

○ 2017-05-17 06:43:58
● 2026-06-01 19:18:02
● 2026-06-08 21:18:06

○NSns2.cengage.net2015-06-08 → 2017-05-17 · 4 obs

● 2015-06-08 05:16:10
● 2017-05-17 06:43:58
○ 2026-06-01 19:18:02
○ 2026-06-08 21:18:06

●NSns2x.cengage.net2026-06-01 → 2026-06-08 · 3 obs

○ 2017-05-17 06:43:58
● 2026-06-01 19:18:02
● 2026-06-08 21:18:06

○A69.32.208.1112015-06-08 → 2017-05-17 · 4 obs

● 2015-06-08 05:16:10
● 2017-05-17 06:43:58
○ 2026-06-01 19:18:02
○ 2026-06-08 21:18:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
ichapter.com	dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net	-

✅ Authoritative Response

Server:198.51.45.1

NS records: dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ichapter.com (unsigned zone)

⏱️ Timing

Total: 608ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1x.cengage.net, ns2x.cengage.net`
TXT	1	`v=spf1 -all`
SOA	1	`ns1x.cengage.net hostmaster.ohcinmason.c`

Analysis

Name Servers

ichapter.com has 6 name servers — ns1x.cengage.net, ns2x.cengage.net, dns1.p01.nsone.net plus three more.

There is at least partial name server overlap between ichapter.com and other domains — b-fon.org, nickakin.com, collegefit.org and two more among them.

It is common to see these name servers paired with dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net and seven other name servers.

Hostnames that resolve to two IP addresses:

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

dns2.p01.nsone.net directs traffic to 198.51.45.1 and 2a00:edc0:6259:7:1::2.

dns3.p01.nsone.net directs traffic to 198.51.44.65 and 2620:4d:4000:6259:7:1:0:3.

dns4.p01.nsone.net directs traffic to 198.51.45.65 and 2a00:edc0:6259:7:1::4.

Host names with one IP number:

ns1x.cengage.net has the IP address 69.32.130.251.

ns2x.cengage.net has the IP address 69.32.224.38.