studybeijing.com - dns.ninja

`studybeijing.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:e94c:1b8c:77a:2c56^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:80e7:3646:7534:e27e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	18.212.239.85^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-212-239-85.compute-1.amazonaws.com`
		A	54.197.216.126^{🇺🇸 Amazon54.196.0.0/15 EC2 IAD 54.196.0.0/15}
			PTR	`ec2-54-197-216-126.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:6cd3:c02c:be79:5017^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7b03:f4b:4bfa:8287^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a80d:aa66:fb:1e18^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.85.118.95^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-85-118-95.compute-1.amazonaws.com`
		A	52.55.198.41^{🇺🇸 Amazon52.54.0.0/15 EC2 Region prefix}
			PTR	`ec2-52-55-198-41.compute-1.amazonaws.com`
		A	54.175.130.15^{🇺🇸 Amazon54.174.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-175-130-15.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:651d:833a:8048:960^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:bfb:dca7:3bf0:7bd6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:e481:ba17:b27f:e48f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.91.13.94^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-91-13-94.compute-1.amazonaws.com`
		A	44.222.227.90^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-222-227-90.compute-1.amazonaws.com`
		A	54.204.144.198^{🇺🇸 Amazon54.204.0.0/15 EC2 IAD Prefix}
			PTR	`ec2-54-204-144-198.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-06-13 #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=1781384608

WOT: SAFE (61/100)

Subdomains

www.studybeijing.com

Same first word

studybeijing.com

studybeijing.com.cn

DNS History

18 records (7 active, 11 former)

●NSns1.namebrightdns.com2015-11-13 → 2026-06-13 · 2 obs

● 2015-11-13 16:15:00
● 2026-06-13 21:31:22

○NSns2.namebrightdns.com2015-11-13 → 2017-02-03 · 4 obs

● 2015-11-13 16:15:00
● 2017-02-03 13:08:56
○ 2026-03-31 01:58:10
○ 2026-06-13 21:31:22

●NSnsg1.namebrightdns.com2026-03-31 → 2026-06-13 · 3 obs

○ 2017-02-03 13:08:56
● 2026-03-31 01:58:10
● 2026-06-13 21:31:22

●NSnsg2.namebrightdns.com2015-11-13 → 2026-06-13 · 5 obs

● 2015-11-13 16:15:00
○ 2016-02-08 11:45:06
○ 2017-02-03 13:08:56
● 2026-03-31 01:58:10
● 2026-06-13 21:31:22

●A13.223.25.842026-03-31 → 2026-06-13 · 3 obs

○ 2017-02-03 13:08:56
● 2026-03-31 01:58:10
● 2026-06-13 21:31:22

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-31 → 2026-06-13 · 3 obs

○ 2017-02-03 13:08:56
● 2026-03-31 01:58:10
● 2026-06-13 21:31:22

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-31 → 2026-06-13 · 3 obs

○ 2017-02-03 13:08:56
● 2026-03-31 01:58:10
● 2026-06-13 21:31:22

○A52.0.96.242016-02-08 → 2016-02-08 · 4 obs

○ 2015-11-13 16:15:00
● 2016-02-08 11:45:06
○ 2016-06-17 17:25:06
○ 2026-06-13 21:31:22

○A52.200.243.1232016-06-17 → 2016-06-17 · 4 obs

○ 2016-02-08 11:45:06
● 2016-06-17 17:25:06
○ 2017-02-03 13:08:56
○ 2026-06-13 21:31:22

○A52.54.132.832017-02-03 → 2017-02-03 · 4 obs

○ 2016-06-17 17:25:06
● 2017-02-03 13:08:56
○ 2026-03-31 01:58:10
○ 2026-06-13 21:31:22

○A52.71.117.992016-02-08 → 2016-02-08 · 4 obs

○ 2015-11-13 16:15:00
● 2016-02-08 11:45:06
○ 2016-06-17 17:25:06
○ 2026-06-13 21:31:22

○A54.152.144.2432016-06-17 → 2016-06-17 · 4 obs

○ 2016-02-08 11:45:06
● 2016-06-17 17:25:06
○ 2017-02-03 13:08:56
○ 2026-06-13 21:31:22

○A54.174.31.2542015-11-13 → 2015-11-13 · 3 obs

● 2015-11-13 16:15:00
○ 2016-02-08 11:45:06
○ 2026-06-13 21:31:22

○A54.208.74.2152015-11-13 → 2015-11-13 · 3 obs

● 2015-11-13 16:15:00
○ 2016-02-08 11:45:06
○ 2026-06-13 21:31:22

●A54.243.117.1972026-03-31 → 2026-06-13 · 3 obs

○ 2017-02-03 13:08:56
● 2026-03-31 01:58:10
● 2026-06-13 21:31:22

○A54.88.107.1402017-02-03 → 2017-02-03 · 4 obs

○ 2016-06-17 17:25:06
● 2017-02-03 13:08:56
○ 2026-03-31 01:58:10
○ 2026-06-13 21:31:22

○CNAMEhdredirect-lb-399551664.us-east-1.elb.amazonaws.com2015-11-13 → 2016-06-17 · 4 obs

● 2015-11-13 16:15:00
● 2016-06-17 17:25:06
○ 2017-02-03 13:08:56
○ 2026-06-13 21:31:22

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-02-03 → 2017-02-03 · 4 obs

○ 2016-06-17 17:25:06
● 2017-02-03 13:08:56
○ 2026-03-31 01:58:10
○ 2026-06-13 21:31:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
studybeijing.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:3.85.118.95

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studybeijing.com (unsigned zone)

⏱️ Timing

Total: 92ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
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	`afternic-verification-G9G3tM8T8EwEizzPzj, v=spf1 -all`
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

Hierarchy

studybeijing.com serves as the parent of www.studybeijing.com.

IP Addresses

studybeijing.com points to four IP numbers: 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.

prepquiz.com, smartethic.com, slaymarket.com and two other host names share IP numbers with studybeijing.com.

Name Servers

Three name servers are authoritative for studybeijing.com: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

studybeijing.com has at least partial name server overlap with other domains, such as mail.ctsdubai.com, thumbcoins.com, hostmaster.rhapis.com and two others.

It is common to find these name servers alongside the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com, forsale.hugedomainsdns.com and two others.

Hostnames that resolve to 6 IP addresses:

nsg1.namebrightdns.com carries IP addresses 3.85.118.95, 52.55.198.41 and 54.175.130.15, with 3 other addresses beyond those.

nsg2.namebrightdns.com carries IP addresses 3.91.13.94, 44.222.227.90 and 54.204.144.198, with 3 other addresses beyond those.

Host names with four IP numbers:

ns1.namebrightdns.com has four IP addresses: 18.212.239.85, 54.197.216.126, 2600:1f18:683a:ae1a:e94c:1b8c:77a:2c56 and 2600:1f18:683a:ae1b:80e7:3646:7534:e27e.