`bookofficial.com`

DNSSEC	⚠️ Not signed
A	207.148.248.143^{🇺🇸 EIG-29873207.148.248.0/24}
		PTR	`ip-207-148-248-143.defastlink.net`
NS	`ns.buydomains.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`
NS	`this-domain-for-sale.com` ⚠️ Not in zone NS records
		A	52.20.26.87^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-26-87.compute-1.amazonaws.com`

`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=1771291435

Same first word

bookofficial.com

DNS History

9 records (3 active, 6 former)

●NSns.buydomains.com2017-02-18 → 2026-03-23 · 3 obs

○ 2015-11-13 02:39:52
● 2017-02-18 19:06:10
● 2026-03-23 13:18:30

○NSns1.bluehost.com2015-06-30 → 2015-11-13 · 4 obs

● 2015-06-30 00:51:04
● 2015-11-13 02:39:52
○ 2017-02-18 19:06:10
○ 2026-03-23 13:18:30

○NSns2.bluehost.com2015-06-30 → 2015-11-13 · 4 obs

● 2015-06-30 00:51:04
● 2015-11-13 02:39:52
○ 2017-02-18 19:06:10
○ 2026-03-23 13:18:30

●NSthis-domain-for-sale.com2026-03-10 → 2026-03-23 · 3 obs

○ 2017-02-18 19:06:10
● 2026-03-10 03:58:22
● 2026-03-23 13:18:30

○MXmail.bookofficial.com2015-06-30 → 2015-11-13 · 4 obs

● 2015-06-30 00:51:04
● 2015-11-13 02:39:52
○ 2017-02-18 19:06:10
○ 2026-03-23 13:18:30

○A141.8.225.1242017-02-18 → 2017-02-18 · 4 obs

○ 2016-06-20 04:00:22
● 2017-02-18 19:06:10
○ 2026-03-10 03:58:22
○ 2026-03-23 13:18:30

●A207.148.248.1432026-03-10 → 2026-03-23 · 3 obs

○ 2017-02-18 19:06:10
● 2026-03-10 03:58:22
● 2026-03-23 13:18:30

○A69.195.124.832015-06-30 → 2015-11-13 · 4 obs

● 2015-06-30 00:51:04
● 2015-11-13 02:39:52
○ 2016-02-09 16:54:18
○ 2026-03-23 13:18:30

○A74.220.199.62016-02-09 → 2016-06-20 · 5 obs

○ 2015-11-13 02:39:52
● 2016-02-09 16:54:18
● 2016-06-20 04:00:22
○ 2017-02-18 19:06:10
○ 2026-03-23 13:18:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
bookofficial.com	ns.buydomains.com, this-domain-for-sale.com	2 records

✅ Authoritative Response

Server:52.20.26.87

NS records: ns.buydomains.com, this-domain-for-sale.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for bookofficial.com (unsigned zone)

⏱️ Timing

Total: 3063ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`207.148.248.143`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns.buydomains.com, this-domain-for-sale.com)

Analysis

IP Addresses

bookofficial.com resolves to one IP number: 207.148.248.143.

other host names including harmonyltd.com, onsitefit.com, 1.2.helmetchoice.com, domaincircuit.com and e-lect.com share IP numbers with bookofficial.com.

Name Servers

bookofficial.com is delegated to two name servers this-domain-for-sale.com and ns.buydomains.com.

bookofficial.com shares the same name server setup as other domains, for instance stambros.com, discovercruising.com, friesenphotography.com, kitchenconversion.com and dimtrax.com.

bookofficial.com shares name servers with other domains at least partially, for example skipem.com and globalspeed.net.

Host names with a single IP:

this-domain-for-sale.com points to 52.20.26.87.

ns.buydomains.com points to 52.20.26.87.

Host names pointing to 52.20.26.87: this-domain-for-sale.com and ns.buydomains.com.

bookofficial.com - robtex.com