greatsci.com - dns.ninja

`greatsci.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	`ns2.namebrightdns.com`
		A	2600:1f18:683a:ae1b:885d:9b52:c623:6fb9^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.234.117.29^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-234-117-29.compute-1.amazonaws.com`
		A	54.243.19.140^{🇺🇸 Amazon54.242.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-243-19-140.compute-1.amazonaws.com`
TXT	`v=spf1 -all`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-07-11 #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=1783833727

Subdomains

mail.greatsci.com

Same first word

greatsci.com

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DNS History

15 records (6 active, 9 former)

●NSns1.namebrightdns.com2026-03-24 → 2026-07-12 · 3 obs

○ 2017-03-15 20:35:12
● 2026-03-24 17:30:14
● 2026-07-12 05:32:12

○NSns1163.websitewelcome.com2017-03-15 → 2017-03-15 · 4 obs

○ 2016-07-16 23:09:46
● 2017-03-15 20:35:12
○ 2026-03-24 17:30:14
○ 2026-07-12 05:32:12

○NSns1164.websitewelcome.com2017-03-15 → 2017-03-15 · 4 obs

○ 2016-07-16 23:09:46
● 2017-03-15 20:35:12
○ 2026-03-24 17:30:14
○ 2026-07-12 05:32:12

○NSns19.domaincontrol.com2015-08-23 → 2016-07-16 · 4 obs

● 2015-08-23 02:06:20
● 2016-07-16 23:09:46
○ 2017-03-15 20:35:12
○ 2026-07-12 05:32:12

●NSns2.namebrightdns.com2026-03-24 → 2026-07-12 · 3 obs

○ 2017-03-15 20:35:12
● 2026-03-24 17:30:14
● 2026-07-12 05:32:12

○NSns20.domaincontrol.com2015-08-23 → 2016-07-16 · 4 obs

● 2015-08-23 02:06:20
● 2016-07-16 23:09:46
○ 2017-03-15 20:35:12
○ 2026-07-12 05:32:12

○MXmail.greatsci.com2017-03-15 → 2017-03-15 · 4 obs

○ 2016-07-16 23:09:46
● 2017-03-15 20:35:12
○ 2026-03-24 17:30:14
○ 2026-07-12 05:32:12

○MXmailstore1.secureserver.net2015-08-23 → 2016-07-16 · 4 obs

● 2015-08-23 02:06:20
● 2016-07-16 23:09:46
○ 2017-03-15 20:35:12
○ 2026-07-12 05:32:12

○MXsmtp.secureserver.net2015-08-23 → 2016-07-16 · 4 obs

● 2015-08-23 02:06:20
● 2016-07-16 23:09:46
○ 2017-03-15 20:35:12
○ 2026-07-12 05:32:12

●A13.223.25.842026-03-24 → 2026-07-12 · 3 obs

○ 2017-03-15 20:35:12
● 2026-03-24 17:30:14
● 2026-07-12 05:32:12

○A184.168.221.322015-08-23 → 2016-07-16 · 4 obs

● 2015-08-23 02:06:20
● 2016-07-16 23:09:46
○ 2017-03-15 20:35:12
○ 2026-07-12 05:32:12

○A192.185.26.1742017-03-15 → 2017-03-15 · 4 obs

○ 2016-07-16 23:09:46
● 2017-03-15 20:35:12
○ 2026-03-24 17:30:14
○ 2026-07-12 05:32:12

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-24 → 2026-07-12 · 3 obs

○ 2017-03-15 20:35:12
● 2026-03-24 17:30:14
● 2026-07-12 05:32:12

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-24 → 2026-07-12 · 3 obs

○ 2017-03-15 20:35:12
● 2026-03-24 17:30:14
● 2026-07-12 05:32:12

●A54.243.117.1972026-03-24 → 2026-07-12 · 3 obs

○ 2017-03-15 20:35:12
● 2026-03-24 17:30:14
● 2026-07-12 05:32:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
greatsci.com	ns1.namebrightdns.com, ns2.namebrightdns.com	8 records

✅ Authoritative Response

Server:54.234.117.29

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for greatsci.com (unsigned zone)

⏱️ Timing

Total: 1014ms | 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	`ns2.namebrightdns.com, ns1.namebrightdns.com`
TXT	2	`v=spf1 -all, afternic-verification-G9G3tM8T8EwEizzPzj`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns1.namebrightdns.com, ns1.namebrightdns.com, ns1.namebrightdns.com...)

Analysis

Hierarchy

The domain mail.greatsci.com falls under the parent greatsci.com.

IP Addresses

greatsci.com directs to four IP numbers, which are 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.

Additional host names — skullgrid.com, cdn.freelac.com, distia.com and two others — share IP numbers with greatsci.com.

Name Servers

greatsci.com is delegated to two name servers: ns1.namebrightdns.com and ns2.namebrightdns.com.

greatsci.com shares its name server setup with other domains, including 5.74.49.shippingmail.com, nt2.webstation.net, newtracking.com and two others.

At least some of greatsci.com's name servers are shared with other domains, for example passepartou.com, nowcafe.com, juturi.com and two more.

These name servers are often deployed together with the name servers nsg1.namebrightdns.com, nsg2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Host names that resolve to five IP addresses:

ns1.namebrightdns.com points to 52.203.211.134, 52.204.81.90, 2600:1f18:683a:ae1a:6900:d1bd:7672:d0ca and two other IP addresses.

Host names with three IP numbers:

ns2.namebrightdns.com points to 54.234.117.29, 54.243.19.140 and 2600:1f18:683a:ae1b:885d:9b52:c623:6fb9.