studenthour.com - dns.ninja

`studenthour.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:6900:d1bd:7672:d0ca^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:7bc2:638d:8ca6:fcc4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d57d:390a:64b4:d4f1^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	52.203.211.134^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-203-211-134.compute-1.amazonaws.com`
		A	52.204.81.90^{🇺🇸 Amazon52.200.0.0/13 EC2 IAD prefix}
			PTR	`ec2-52-204-81-90.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:4a5c:f736:fa58:d85^{🇺🇸 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:ae1a:b159:2be8:f48c:b374^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	13.221.131.54^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-221-131-54.compute-1.amazonaws.com`
		A	13.222.195.178^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-222-195-178.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:ae1b:5b81:82bc:6de0:b02c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b942:bb73:2f59:d7af^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:da4a:4683:1131:8bce^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.80.109.14^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-80-109-14.compute-1.amazonaws.com`
		A	98.81.3.34^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-3-34.compute-1.amazonaws.com`
		A	98.83.212.177^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-83-212-177.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-07-04 #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=1783195751

Subdomains

mx199.studenthour.com

mx198.studenthour.com

Same first word

studenthour.com

Similar names

trustednohu.com

DNS History

12 records (7 active, 5 former)

●NSns1.namebrightdns.com2026-02-19 → 2026-07-04 · 3 obs

○ 2020-03-14 07:13:30
● 2026-02-19 21:07:22
● 2026-07-04 20:24:54

○NSns11.domaincontrol.com2015-07-02 → 2020-03-14 · 4 obs

● 2015-07-02 12:17:02
● 2020-03-14 07:13:30
○ 2026-02-19 21:07:22
○ 2026-07-04 20:24:54

○NSns12.domaincontrol.com2015-07-02 → 2020-03-14 · 4 obs

● 2015-07-02 12:17:02
● 2020-03-14 07:13:30
○ 2026-02-19 21:07:22
○ 2026-07-04 20:24:54

●NSnsg1.namebrightdns.com2026-02-19 → 2026-07-04 · 3 obs

○ 2020-03-14 07:13:30
● 2026-02-19 21:07:22
● 2026-07-04 20:24:54

●NSnsg2.namebrightdns.com2026-02-19 → 2026-07-04 · 3 obs

○ 2020-03-14 07:13:30
● 2026-02-19 21:07:22
● 2026-07-04 20:24:54

○MXmailstore1.secureserver.net2015-07-02 → 2020-03-14 · 4 obs

● 2015-07-02 12:17:02
● 2020-03-14 07:13:30
○ 2026-02-19 21:07:22
○ 2026-07-04 20:24:54

○MXsmtp.secureserver.net2015-07-02 → 2020-03-14 · 4 obs

● 2015-07-02 12:17:02
● 2020-03-14 07:13:30
○ 2026-02-19 21:07:22
○ 2026-07-04 20:24:54

●A13.223.25.842026-02-19 → 2026-07-04 · 3 obs

○ 2020-03-14 07:13:30
● 2026-02-19 21:07:22
● 2026-07-04 20:24:54

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-19 → 2026-07-04 · 3 obs

○ 2020-03-14 07:13:30
● 2026-02-19 21:07:22
● 2026-07-04 20:24:54

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-19 → 2026-07-04 · 3 obs

○ 2020-03-14 07:13:30
● 2026-02-19 21:07:22
● 2026-07-04 20:24:54

○A50.63.202.572015-07-02 → 2020-03-14 · 4 obs

● 2015-07-02 12:17:02
● 2020-03-14 07:13:30
○ 2026-02-19 21:07:22
○ 2026-07-04 20:24:54

●A54.243.117.1972026-02-19 → 2026-07-04 · 3 obs

○ 2020-03-14 07:13:30
● 2026-02-19 21:07:22
● 2026-07-04 20:24:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net...	-
studenthour.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:13.221.131.54

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studenthour.com (unsigned zone)

⏱️ Timing

Total: 379ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`54.243.117.197, 13.223.25.84`
AAAA	2	`2600:1f18:4ae:c606:78d4:4260:db4e:aeee, 2600:1f18:4ae:c605:dd5d:b838:5816:d7fb`
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

mx199.studenthour.com and mx198.studenthour.com each fall under studenthour.com as their parent domain.

IP Addresses

studenthour.com points to the 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.

Two other host names, along with gator134.www.detwo.com, drygrads.com and mx.bdstock.com, also share IP numbers with studenthour.com.

Name Servers

studenthour.com is served by three name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

At least some of studenthour.com's name servers are shared with other domains, for example healthps.com, creekhospital.com, cloobd.tk.whoisbucket.com and two more.

It is common for these name servers to be used in conjunction with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

DNS names with 6 IP addresses:

nsg1.namebrightdns.com maps to 13.221.131.54, 13.222.195.178, 54.175.130.15 and 3 additional IP addresses.

nsg2.namebrightdns.com maps to 3.80.109.14, 98.81.3.34, 98.83.212.177 and 3 additional IP addresses.

Host names directing to five IP addresses:

ns1.namebrightdns.com has four IP addresses — 52.203.211.134, 52.204.81.90, 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca and two others.