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=1784870092

Same first word

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ichapter.com.br

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DNS History

9 records (6 active, 3 former)

●NSdns1.p01.nsone.net2026-06-01 → 2026-07-24 · 3 obs

○ 2017-05-17 06:43:58
● 2026-06-01 19:18:02
● 2026-07-24 05:20:40

●NSdns2.p01.nsone.net2026-06-01 → 2026-07-24 · 3 obs

○ 2017-05-17 06:43:58
● 2026-06-01 19:18:02
● 2026-07-24 05:20:40

●NSdns3.p01.nsone.net2026-06-01 → 2026-07-24 · 3 obs

○ 2017-05-17 06:43:58
● 2026-06-01 19:18:02
● 2026-07-24 05:20:40

●NSdns4.p01.nsone.net2026-06-01 → 2026-07-24 · 3 obs

○ 2017-05-17 06:43:58
● 2026-06-01 19:18:02
● 2026-07-24 05:20:40

○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
○ 2026-07-24 05:20:40

●NSns1x.cengage.net2026-06-01 → 2026-07-24 · 3 obs

○ 2017-05-17 06:43:58
● 2026-06-01 19:18:02
● 2026-07-24 05:20:40

○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
○ 2026-07-24 05:20:40

●NSns2x.cengage.net2026-06-01 → 2026-07-24 · 3 obs

○ 2017-05-17 06:43:58
● 2026-06-01 19:18:02
● 2026-07-24 05:20:40

○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
○ 2026-07-24 05:20:40

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:198.51.44.1

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: 115ms | 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 delegates authority to 6 name servers: ns1x.cengage.net, ns2x.cengage.net, dns1.p01.nsone.net plus 3 other.

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.

These name servers regularly appear alongside dns2.p01.nsone.net, dns3.p01.nsone.net, dns4.p01.nsone.net and 7 other name servers in NS record sets.

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.

Hosts with just one IP address:

ns1x.cengage.net has the IP address 69.32.130.251.

ns2x.cengage.net has the IP address 69.32.224.38.