`openbooksonline.com`

DNSSEC	⚠️ Not signed
A	208.82.16.68^{🇺🇸 AS13535208.82.16.0/24 servers.com customer}
		PTR	`vip-208-82-16-68.ning.com`
NS	`ns1.turbify.com` ⭐
		A	20.121.230.119^{🇺🇸 Microsoft20.64.0.0/10}
NS	`ns2.turbify.com`
		A	134.33.240.61^{🇬🇧 Microsoft134.33.0.0/16}
MX	`mx-biz.mail.am0.yahoodns.net`⁽³⁰⁾
		A	67.195.204.83
		A	67.195.228.75
SOA	`ns1.turbify.com`cpanel-notify@aabacosb.com 2024-04-14 #12

`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=1778601516

Same first word

openbooksonline.com

DNS History

8 records (4 active, 4 former)

○NShidden-master.yahoo.com2015-07-11 → 2015-07-11 · 3 obs

● 2015-07-11 06:01:06
○ 2015-11-12 06:35:02
○ 2026-05-12 16:22:30

○NSno-dyn-updates.san.yahoo.com2015-07-11 → 2019-03-24 · 4 obs

● 2015-07-11 06:01:06
● 2019-03-24 08:31:22
○ 2026-03-24 18:01:04
○ 2026-05-12 16:22:30

●NSns1.turbify.com2026-03-24 → 2026-05-12 · 3 obs

○ 2019-03-24 08:31:22
● 2026-03-24 18:01:04
● 2026-05-12 16:22:30

●NSns2.turbify.com2026-03-24 → 2026-05-12 · 3 obs

○ 2019-03-24 08:31:22
● 2026-03-24 18:01:04
● 2026-05-12 16:22:30

○NSyns1.yahoo.com2015-07-11 → 2019-03-24 · 4 obs

● 2015-07-11 06:01:06
● 2019-03-24 08:31:22
○ 2026-03-24 18:01:04
○ 2026-05-12 16:22:30

○NSyns2.yahoo.com2015-07-11 → 2019-03-24 · 4 obs

● 2015-07-11 06:01:06
● 2019-03-24 08:31:22
○ 2026-03-24 18:01:04
○ 2026-05-12 16:22:30

●MXmx-biz.mail.am0.yahoodns.net2015-07-11 → 2026-05-12 · 2 obs

● 2015-07-11 06:01:06
● 2026-05-12 16:22:30

●A208.82.16.682015-07-11 → 2026-05-12 · 2 obs

● 2015-07-11 06:01:06
● 2026-05-12 16:22:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
openbooksonline.com	ns1.turbify.com, ns2.turbify.com	2 records

✅ Authoritative Response

Server:134.33.240.61

NS records: ns1.turbify.com, ns2.turbify.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for openbooksonline.com (unsigned zone)

⏱️ Timing

Total: 1324ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`208.82.16.68`
NS	2	`ns2.turbify.com, ns1.turbify.com`
MX	2	`mx-biz.mail.am0.yahoodns.net (pri: 20), mx-biz.mail.am0.yahoodns.net (pri: 30)`
SOA	1	`ns1.turbify.com hostmaster.openbooksonli`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.turbify.com, ns2.turbify.com)

Analysis

IP Addresses

openbooksonline.com points to an IP address: 208.82.16.68.

other host names include americymru1.ning.com, takalar.ning.com, hiphopnews24-7.ning.com, back2basicsdetox.ning.com and fad504dudbit.ning.com; they share IP numbers with openbooksonline.com.

Name Servers

Two name servers ns1.turbify.com and ns2.turbify.com handle the delegation for openbooksonline.com.

openbooksonline.com shares the same name server setup as other domains, for instance thechipinmyhead.com, southcitydentistry.com, flexfield.net, liem.info and dhacalpec.com.

openbooksonline.com at least partially shares name servers with other domains, including rclv.com and classicchevygreenville.com.

These name servers are commonly used with yns1.yahoo.com and yns2.yahoo.com.

Host names with a single IP:

ns1.turbify.com points to 20.121.230.119

ns2.turbify.com points to 134.33.240.61

Mail Servers

openbooksonline.com is handled by a single mail server, mx-biz.mail.am0.yahoodns.net.

openbooksonline.com uses the same mail server setup as other domains, for instance sohep.org, dancechamber.com, capitalformarket.com, panlilian.com and ssni.org.

openbooksonline.com shares some mail servers with other domains, including albercas.net, healthy-happy-life.com, redcoolmedia.net and wiseology.com.

mx-biz.mail.am0.yahoodns.net resolves to two IPs: 67.195.204.83 and 67.195.228.75.

openbooksonline.com - robtex.com