`cengagework.com`

DNSSEC	⚠️ Not signed
A	69.32.208.245^{🇺🇸 RoadRunner69.32.208.0/22 Proxy-registered route object for Cengage Learning Inc Attn Communications in CSO Mason, OH 45040}
		PTR	`cengagework.com`
NS	`kyindxmmexternal.cengage.net` ⭐ ⚠️ Not in parent delegation
NS	`a1-49.akam.net` ⚠️ Not in zone NS records
		A	2600:1401:2::31^{🇺🇸 Akamai2600:1401:2::/48 Technologies}
			PTR	`a1-49.akam.net`
			PTR	`ns1-49.akam.net`
		A	193.108.91.49^{🇳🇱 Akamai193.108.91.0/24 Technologies}
			PTR	`a1-49.akam.net`
			PTR	`ns1-49.akam.net`
NS	`a13-64.akam.net` ⚠️ Not in zone NS records
		A	2600:1480:800::40^{🇺🇸 Akamai2600:1480:800::/48 Technologies}
			PTR	`a13-64.akam.net`
			PTR	`ns2-64.akam.net`
		A	2.22.230.64^{🇳🇱 Akamai2.22.230.0/24 Technologies}
			PTR	`a13-64.akam.net`
			PTR	`eur6.akam.net`
			PTR	`ns2-64.akam.net`
NS	`a14-65.akam.net` ⚠️ Not in zone NS records
		A	2600:1480:1800::41^{🇺🇸 Akamai2600:1480:1800::/48 Technologies}
			PTR	`a14-65.akam.net`
		A	184.26.161.65^{🇺🇸 Akamai184.26.161.0/24 Technologies}
			PTR	`a14-65.akam.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`
TXT	`v=spf1 -all`
SOA	`kyindxmmexternal.cengage.net`hostmaster@cengagework.com 2026-01-16 #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=1774584207

Same first word

cengagework.com

DNS History

8 records (8 active, 0 former)

●NSa1-49.akam.net2026-02-19 → 2026-03-27 · 2 obs

● 2026-02-19 18:28:40
● 2026-03-27 04:09:54

●NSa13-64.akam.net2026-02-19 → 2026-03-27 · 2 obs

● 2026-02-19 18:28:40
● 2026-03-27 04:09:54

●NSa14-65.akam.net2026-02-19 → 2026-03-27 · 2 obs

● 2026-02-19 18:28:40
● 2026-03-27 04:09:54

●NSdns1.p01.nsone.net2026-02-19 → 2026-03-27 · 2 obs

● 2026-02-19 18:28:40
● 2026-03-27 04:09:54

●NSdns2.p01.nsone.net2026-02-19 → 2026-03-27 · 2 obs

● 2026-02-19 18:28:40
● 2026-03-27 04:09:54

●NSdns3.p01.nsone.net2026-02-19 → 2026-03-27 · 2 obs

● 2026-02-19 18:28:40
● 2026-03-27 04:09:54

●NSkyindxmmexternal.cengage.net2026-02-19 → 2026-03-27 · 2 obs

● 2026-02-19 18:28:40
● 2026-03-27 04:09:54

●A69.32.208.2452026-02-19 → 2026-03-27 · 2 obs

● 2026-02-19 18:28:40
● 2026-03-27 04:09:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
cengagework.com	dns1.p01.nsone.net, dns2.p01.nsone.net, dns3.p01.nsone.net, a13-64.akam.net...	-