engineeringbook.com - dns.ninja

`engineeringbook.com`

CNAME	`live-bookfactory-magento-front-1115248780.us-east-1.elb.amazonaws.com`
DNSSEC	⚠️ Not signed
A	32.196.88.136
		PTR	`ec2-32-196-88-136.compute-1.amazonaws.com`
A	44.193.42.109^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}

`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=1780975601

Subdomains

cdn.engineeringbook.com

Same first word

engineeringbook.com

Similar names

bookengineering.com

DNS History

11 records (4 active, 7 former)

○NSdns082.d.register.com2015-06-01 → 2017-07-02 · 4 obs

● 2015-06-01 19:53:04
● 2017-07-02 22:23:22
○ 2026-04-07 02:07:26
○ 2026-06-09 03:40:46

●NSdns1.register.com2026-04-07 → 2026-06-09 · 3 obs

○ 2017-07-02 22:23:22
● 2026-04-07 02:07:26
● 2026-06-09 03:40:46

●NSdns191.a.register.com2015-06-01 → 2026-06-09 · 2 obs

● 2015-06-01 19:53:04
● 2026-06-09 03:40:46

○NSdns196.c.register.com2015-06-01 → 2017-07-02 · 4 obs

● 2015-06-01 19:53:04
● 2017-07-02 22:23:22
○ 2026-04-07 02:07:26
○ 2026-06-09 03:40:46

●NSdns2.register.com2026-04-07 → 2026-06-09 · 3 obs

○ 2017-07-02 22:23:22
● 2026-04-07 02:07:26
● 2026-06-09 03:40:46

○NSdns238.b.register.com2015-06-01 → 2017-07-02 · 4 obs

● 2015-06-01 19:53:04
● 2017-07-02 22:23:22
○ 2026-04-07 02:07:26
○ 2026-06-09 03:40:46

○MXp.webcom.ctmail.com2016-09-29 → 2017-07-02 · 4 obs

● 2016-09-29 08:38:08
● 2017-07-02 22:23:22
○ 2026-04-07 02:07:26
○ 2026-06-09 03:40:46

○A174.132.156.762015-06-01 → 2016-03-28 · 4 obs

● 2015-06-01 19:53:04
● 2016-03-28 09:39:50
○ 2016-09-29 08:38:08
○ 2026-06-09 03:40:46

○A54.235.124.2242017-07-02 → 2017-07-02 · 4 obs

○ 2016-09-29 08:38:08
● 2017-07-02 22:23:22
○ 2026-04-07 02:07:26
○ 2026-06-09 03:40:46

○A54.243.176.2492016-09-29 → 2016-09-29 · 4 obs

○ 2016-03-28 09:39:50
● 2016-09-29 08:38:08
○ 2017-07-02 22:23:22
○ 2026-06-09 03:40:46

●CNAMElive-bookfactory-magento-front-1115248780.us-east-1.elb.amazonaws.com2026-04-07 → 2026-06-09 · 2 obs

● 2026-04-07 02:07:26
● 2026-06-09 03:40:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, g.gtld-servers.net...	-
engineeringbook.com	dns1.register.com, dns2.register.com	2 records

✅ Authoritative Response

Server:162.159.26.197

NS records: dns1.register.com, dns2.register.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for engineeringbook.com (unsigned zone)

⏱️ Timing

Total: 243ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`live-bookfactory-magento-front-111524878`
SOA	1	`dns191.a.register.com root.register.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (dns1.register.com, dns2.register.com)

Analysis

Hierarchy

cdn.engineeringbook.com is delegated beneath engineeringbook.com.

IP Addresses

engineeringbook.com points to two IP numbers: 32.196.88.136 and 44.193.42.109.

Other host names, such as live-bookfactory-magento-front-1115248780.us-east-1.elb.amazonaws.com, share IP numbers with engineeringbook.com.