osubook.com - dns.ninja

`osubook.com`

DNSSEC	⚠️ Not signed
A	2600:1f18:4ae:c605:dd5d:b838:5816:d7fb^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	2600:1f18:4ae:c606:78d4:4260:db4e:aeee^{🇺🇸 Amazon2600:1f18::/35 AMAZON EC2 IAD prefix}
A	13.223.25.84^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
A	54.243.117.197^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
NS	`ns1.namebrightdns.com` ⭐
		A	2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.89.42.183^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-89-42-183.compute-1.amazonaws.com`
		A	100.58.124.42^{🇺🇸 Amazon100.48.0.0/12 EC2 IAD prefix}
			PTR	`ec2-100-58-124-42.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:303c:9b15:3db3:a8a2^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:5a94:e1d2:9d83:c12d^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:9b5a:7d38:2d23:6714^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:e626:c281:f0eb:dd47^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	44.223.19.215^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-223-19-215.compute-1.amazonaws.com`
		A	54.234.103.190^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-234-103-190.compute-1.amazonaws.com`
		A	174.129.117.232^{🇺🇸 Amazon174.129.0.0/16 Execution Services}
			PTR	`ec2-174-129-117-232.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1b:ac3c:fcfb:521d:2fd5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:ed3d:ef92:9331:4834^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.217.95.24^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-217-95-24.compute-1.amazonaws.com`
		A	54.162.235.48^{🇺🇸 Amazon54.160.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-162-235-48.compute-1.amazonaws.com`
		A	54.221.37.2^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-221-37-2.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-03 #1

`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=1785808587

Same first word

osubook.com

Similar names

suobook.com

obosouk.com

soubook.com

booksou.com

oubooks.com

DNS History

14 records (7 active, 7 former)

○NSns-1347.awsdns-40.org2015-06-12 → 2017-06-08 · 4 obs

● 2015-06-12 07:01:24
● 2017-06-08 16:14:20
○ 2026-03-03 11:28:10
○ 2026-08-04 02:09:20

○NSns-1716.awsdns-22.co.uk2015-06-12 → 2017-06-08 · 4 obs

● 2015-06-12 07:01:24
● 2017-06-08 16:14:20
○ 2026-03-03 11:28:10
○ 2026-08-04 02:09:20

○NSns-413.awsdns-51.com2015-06-12 → 2017-06-08 · 4 obs

● 2015-06-12 07:01:24
● 2017-06-08 16:14:20
○ 2026-03-03 11:28:10
○ 2026-08-04 02:09:20

○NSns-544.awsdns-04.net2015-06-12 → 2017-06-08 · 4 obs

● 2015-06-12 07:01:24
● 2017-06-08 16:14:20
○ 2026-03-03 11:28:10
○ 2026-08-04 02:09:20

●NSns1.namebrightdns.com2026-03-03 → 2026-08-04 · 3 obs

○ 2017-06-08 16:14:20
● 2026-03-03 11:28:10
● 2026-08-04 02:09:20

●NSnsg1.namebrightdns.com2026-03-03 → 2026-08-04 · 3 obs

○ 2017-06-08 16:14:20
● 2026-03-03 11:28:10
● 2026-08-04 02:09:20

●NSnsg2.namebrightdns.com2026-03-03 → 2026-08-04 · 3 obs

○ 2017-06-08 16:14:20
● 2026-03-03 11:28:10
● 2026-08-04 02:09:20

○MXosubook-com.mail.eo.outlook.com2015-06-12 → 2017-06-08 · 4 obs

● 2015-06-12 07:01:24
● 2017-06-08 16:14:20
○ 2026-03-03 11:28:10
○ 2026-08-04 02:09:20

○A107.22.183.792015-06-12 → 2015-10-27 · 4 obs

● 2015-06-12 07:01:24
● 2015-10-27 02:22:28
○ 2016-01-14 04:28:18
○ 2026-08-04 02:09:20

●A13.223.25.842026-03-03 → 2026-08-04 · 3 obs

○ 2017-06-08 16:14:20
● 2026-03-03 11:28:10
● 2026-08-04 02:09:20

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-03 → 2026-08-04 · 3 obs

○ 2017-06-08 16:14:20
● 2026-03-03 11:28:10
● 2026-08-04 02:09:20

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-03 → 2026-08-04 · 3 obs

○ 2017-06-08 16:14:20
● 2026-03-03 11:28:10
● 2026-08-04 02:09:20

○A52.0.45.892016-01-14 → 2017-06-08 · 5 obs

○ 2015-10-27 02:22:28
● 2016-01-14 04:28:18
● 2017-06-08 16:14:20
○ 2026-03-03 11:28:10
○ 2026-08-04 02:09:20

●A54.243.117.1972026-03-03 → 2026-08-04 · 3 obs

○ 2017-06-08 16:14:20
● 2026-03-03 11:28:10
● 2026-08-04 02:09:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	e.gtld-servers.net, l.gtld-servers.net, m.gtld-servers.net, f.gtld-servers.net...	-
osubook.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:174.129.117.232

NS records: nsg1.namebrightdns.com, nsg2.namebrightdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for osubook.com (unsigned zone)

⏱️ Timing

Total: 94ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
AAAA	2	`2600:1f18:4ae:c605:dd5d:b838:5816:d7fb, 2600:1f18:4ae:c606:78d4:4260:db4e:aeee`
NS	2	`nsg2.namebrightdns.com, nsg1.namebrightdns.com`
TXT	2	`v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nsg1.namebrightdns.com, nsg1.namebrightdns.com, nsg1.namebrightdns.com...)

Analysis

IP Addresses

osubook.com resolves to four IP addresses: 13.223.25.84, 54.243.117.197, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb and 2600:1f18:4ae:c606:78d4:4260:db4e:aeee.

Among the host names that share IP numbers with osubook.com are www.oniix.com, hatrade.com, 209-20-69-17.static.cloud-ips.com and two others.

Name Servers

osubook.com is delegated to three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

osubook.com shares at least some of its name servers with other domains, including ahbaj.com, bdhair.com, duagames.com and two others.

These name servers are frequently paired with the name servers domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and ns2.namebrightdns.com.

Host names resolving to 7 IP numbers:

nsg1.namebrightdns.com resolves to 44.223.19.215, 54.234.103.190, 174.129.117.232 and 4 other IP addresses.

Hostnames that point to five IP numbers:

nsg2.namebrightdns.com directs to 13.217.95.24, 54.162.235.48, 54.221.37.2 and two other IP addresses.

Hosts with three IP address records:

ns1.namebrightdns.com points to 3.89.42.183, 100.58.124.42 and 2600:1f18:683a:ae1a:c41d:b4cf:322b:2aa6.