optimaltutoring.com - dns.ninja

`optimaltutoring.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:3d4d:6b36:7749:419b^{🇺🇸 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	54.81.37.191^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ec2-54-81-37-191.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`
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	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`
		A	174.129.117.232^{🇺🇸 Amazon174.129.0.0/16 Execution Services}
			PTR	`ec2-174-129-117-232.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-07-31 #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=1785508472

Subdomains

mail.optimaltutoring.com

Same first word

optimaltutoring.com

DNS History

16 records (7 active, 9 former)

●NSns1.namebrightdns.com2017-02-12 → 2026-07-31 · 5 obs

○ 2016-06-22 19:55:22
● 2017-02-12 18:53:30
○ 2020-02-18 13:41:36
● 2026-02-21 22:31:20
● 2026-07-31 14:57:52

○NSns2.namebrightdns.com2017-02-12 → 2017-02-12 · 4 obs

○ 2016-06-22 19:55:22
● 2017-02-12 18:53:30
○ 2020-02-18 13:41:36
○ 2026-07-31 14:57:52

○NSns29.domaincontrol.com2016-02-08 → 2016-06-22 · 4 obs

● 2016-02-08 19:15:38
● 2016-06-22 19:55:22
○ 2017-02-12 18:53:30
○ 2026-07-31 14:57:52

○NSns30.domaincontrol.com2016-02-08 → 2016-06-22 · 4 obs

● 2016-02-08 19:15:38
● 2016-06-22 19:55:22
○ 2017-02-12 18:53:30
○ 2026-07-31 14:57:52

●NSnsg1.namebrightdns.com2020-02-18 → 2026-07-31 · 3 obs

○ 2017-02-12 18:53:30
● 2020-02-18 13:41:36
● 2026-07-31 14:57:52

●NSnsg2.namebrightdns.com2020-02-18 → 2026-07-31 · 3 obs

○ 2017-02-12 18:53:30
● 2020-02-18 13:41:36
● 2026-07-31 14:57:52

○MXmail.optimaltutoring.com2016-02-08 → 2016-06-22 · 4 obs

● 2016-02-08 19:15:38
● 2016-06-22 19:55:22
○ 2017-02-12 18:53:30
○ 2026-07-31 14:57:52

○A107.180.14.682016-02-08 → 2016-06-22 · 4 obs

● 2016-02-08 19:15:38
● 2016-06-22 19:55:22
○ 2017-02-12 18:53:30
○ 2026-07-31 14:57:52

●A13.223.25.842026-02-21 → 2026-07-31 · 3 obs

○ 2020-02-18 13:41:36
● 2026-02-21 22:31:20
● 2026-07-31 14:57:52

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-21 → 2026-07-31 · 3 obs

○ 2020-02-18 13:41:36
● 2026-02-21 22:31:20
● 2026-07-31 14:57:52

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-21 → 2026-07-31 · 3 obs

○ 2020-02-18 13:41:36
● 2026-02-21 22:31:20
● 2026-07-31 14:57:52

○A34.199.151.1632017-02-12 → 2017-02-12 · 4 obs

○ 2016-06-22 19:55:22
● 2017-02-12 18:53:30
○ 2020-02-18 13:41:36
○ 2026-07-31 14:57:52

○A52.20.154.32017-02-12 → 2017-02-12 · 4 obs

○ 2016-06-22 19:55:22
● 2017-02-12 18:53:30
○ 2020-02-18 13:41:36
○ 2026-07-31 14:57:52

●A54.243.117.1972026-02-21 → 2026-07-31 · 3 obs

○ 2020-02-18 13:41:36
● 2026-02-21 22:31:20
● 2026-07-31 14:57:52

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-02-12 → 2017-02-12 · 3 obs

● 2017-02-12 18:53:30
○ 2020-02-18 13:41:36
○ 2026-07-31 14:57:52

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2020-02-18 → 2020-02-18 · 4 obs

○ 2017-02-12 18:53:30
● 2020-02-18 13:41:36
○ 2026-02-21 22:31:20
○ 2026-07-31 14:57:52

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
optimaltutoring.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:44.223.19.215

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for optimaltutoring.com (unsigned zone)

⏱️ Timing

Total: 125ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
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

optimaltutoring.com is the parent zone for mail.optimaltutoring.com.

IP Addresses

optimaltutoring.com has 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 optimaltutoring.com are www.aksaholding.com, thelatestpull.com, cultureauto.com and two others.

Name Servers

optimaltutoring.com carries NS records delegating to ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

optimaltutoring.com partially shares its NS delegation with several other domains, including barcelonia.net, ns1.brick2.com, simevolution.com and two others.

These name servers regularly co-occur with the name servers ns2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names resolving to 7 IP numbers:

nsg1.namebrightdns.com resolves to 44.223.19.215, 54.81.37.191 and 54.234.103.190 among others, with 4 other IP addresses in total.

Hostnames that point to five IP numbers:

nsg2.namebrightdns.com directs to 54.162.235.48, 54.221.37.2, 174.129.117.232 and two other IP addresses.

Hosts with three IP address records:

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