`db-book.com`

DNSSEC	⚠️ Not signed
A	128.36.0.108^{🇺🇸 YALE-MAIN-AS128.36.0.0/16 Yale University}
		PTR	`codex.cs.yale.edu`
NS	`ns43.worldnic.com` ⭐
		A	162.159.26.111^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
NS	`ns44.worldnic.com`
		A	162.159.27.50^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
TXT	`google-site-verification=Ch9ajXkfRTkebFbK_6Mxd_xIzkrMID2_DBv4CP40O2Y`
SOA	`NS43.WORLDNIC.com`namehost@WORLDNIC.com serial=126010510

`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=1778426721

rank #828731 globally
rank #364440 in the tld

Subdomains

www.db-book.com

Same first word

db-book.com

Similar names

book-db.net

book-db.com

DNS History

6 records (3 active, 3 former)

●NSns43.worldnic.com2015-07-07 → 2026-05-10 · 2 obs

● 2015-07-07 04:29:06
● 2026-05-10 15:29:32

●NSns44.worldnic.com2015-07-07 → 2026-05-10 · 2 obs

● 2015-07-07 04:29:06
● 2026-05-10 15:29:32

○MXp.webcom.ctmail.com2016-05-06 → 2018-08-06 · 4 obs

● 2016-05-06 09:26:54
● 2018-08-06 20:32:04
○ 2020-11-11 05:42:40
○ 2026-05-10 15:29:32

●A128.36.0.1082026-02-20 → 2026-05-10 · 3 obs

○ 2021-10-06 13:23:24
● 2026-02-20 20:07:12
● 2026-05-10 15:29:32

○A128.36.233.712020-11-11 → 2021-10-06 · 5 obs

○ 2018-08-06 20:32:04
● 2020-11-11 05:42:40
● 2021-10-06 13:23:24
○ 2026-02-20 20:07:12
○ 2026-05-10 15:29:32

○A205.178.189.1312015-07-07 → 2018-08-06 · 4 obs

● 2015-07-07 04:29:06
● 2018-08-06 20:32:04
○ 2020-11-11 05:42:40
○ 2026-05-10 15:29:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
db-book.com	ns43.worldnic.com, ns44.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.50

NS records: ns43.worldnic.com, ns44.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for db-book.com (unsigned zone)

⏱️ Timing

Total: 253ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`128.36.0.108`
NS	2	`ns44.worldnic.com, ns43.worldnic.com`
TXT	1	`google-site-verification=Ch9ajXkfRTkebFb`
SOA	1	`NS43.WORLDNIC.com namehost.WORLDNIC.com`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns43.worldnic.com, ns44.worldnic.com)

Analysis

Hierarchy

The parent of www.db-book.com is db-book.com.

IP Addresses

db-book.com points to a single IP: 128.36.0.108.

Other host names such as www.db-book.com and codex.cs.yale.edu share IP numbers with db-book.com.

Name Servers

Two name servers ns43.worldnic.com and ns44.worldnic.com handle delegation for db-book.com.

db-book.com uses the same name server setup as other domains, for example 1400willow.com, lhprep.org, stplegal.us, bettertech.org and seerbot.com.

Host names with one IP number: The host name ns43.worldnic.com points to 162.159.26.111 and the host name ns44.worldnic.com points to 162.159.27.50.

db-book.com - robtex.com

db-book.com

com