sci21.com - dns.ninja

`sci21.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:4f4e:999e:923d:5c17^{🇺🇸 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:53a5:7e50:1f55:7b6f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:c77b:8621:67b5:65^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.81.83.148^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-81-83-148.compute-1.amazonaws.com`
		A	54.152.124.255^{🇺🇸 Amazon54.152.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-152-124-255.compute-1.amazonaws.com`
		A	54.211.183.184^{🇺🇸 Amazon54.211.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-211-183-184.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:1ff8:84b4:19de:5ca6^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:8e29:87d8:f97c:1291^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.221.37.2^{🇺🇸 Amazon54.221.0.0/16 EC2 IAD prefix}
			PTR	`ec2-54-221-37-2.compute-1.amazonaws.com`
		A	54.235.53.129^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-235-53-129.compute-1.amazonaws.com`
		A	100.27.188.59^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-27-188-59.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-12 #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=1786574439

Previously MX for

sci21.com

Same first word

sci21.com

Similar names

isc21.jp

21csi.com

cis21.com

isc21.com

isc21.co.jp

ics21.com

sic21.ro

21sci.com

21cis.net

isc21.kr

DNS History

18 records (7 active, 11 former)

○NSns1.dr-parkingservices.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 04:31:42
○ 2015-07-09 05:37:12
○ 2026-08-12 22:48:08

○NSns1.hostpapa.com2015-07-09 → 2016-12-25 · 5 obs

○ 2008-03-18 04:31:42
● 2015-07-09 05:37:12
● 2016-12-25 18:50:26
○ 2019-03-04 10:11:34
○ 2026-08-12 22:48:08

●NSns1.namebrightdns.com2026-03-25 → 2026-08-12 · 3 obs

○ 2019-03-04 10:11:34
● 2026-03-25 12:37:50
● 2026-08-12 22:48:08

○NSns2.dr-parkingservices.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 04:31:42
○ 2015-07-09 05:37:12
○ 2026-08-12 22:48:08

○NSns2.hostpapa.com2015-07-09 → 2016-12-25 · 5 obs

○ 2008-03-18 04:31:42
● 2015-07-09 05:37:12
● 2016-12-25 18:50:26
○ 2019-03-04 10:11:34
○ 2026-08-12 22:48:08

○NSns3.dr-parkingservices.com2008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 04:31:42
○ 2015-07-09 05:37:12
○ 2026-08-12 22:48:08

●NSnsg1.namebrightdns.com2019-03-04 → 2026-08-12 · 3 obs

○ 2016-12-25 18:50:26
● 2019-03-04 10:11:34
● 2026-08-12 22:48:08

●NSnsg2.namebrightdns.com2019-03-04 → 2026-08-12 · 3 obs

○ 2016-12-25 18:50:26
● 2019-03-04 10:11:34
● 2026-08-12 22:48:08

○MXsci21.com2015-07-09 → 2016-12-25 · 5 obs

○ 2008-03-18 04:31:42
● 2015-07-09 05:37:12
● 2016-12-25 18:50:26
○ 2019-03-04 10:11:34
○ 2026-08-12 22:48:08

●A13.223.25.842026-03-25 → 2026-08-12 · 3 obs

○ 2019-03-04 10:11:34
● 2026-03-25 12:37:50
● 2026-08-12 22:48:08

○A173.248.151.2292015-07-09 → 2015-07-09 · 4 obs

○ 2008-03-18 04:31:42
● 2015-07-09 05:37:12
○ 2019-03-04 10:11:34
○ 2026-08-12 22:48:08

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-25 → 2026-08-12 · 3 obs

○ 2019-03-04 10:11:34
● 2026-03-25 12:37:50
● 2026-08-12 22:48:08

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-25 → 2026-08-12 · 3 obs

○ 2019-03-04 10:11:34
● 2026-03-25 12:37:50
● 2026-08-12 22:48:08

●A54.243.117.1972026-03-25 → 2026-08-12 · 3 obs

○ 2019-03-04 10:11:34
● 2026-03-25 12:37:50
● 2026-08-12 22:48:08

○A64.34.75.1452015-07-09 → 2015-07-09 · 4 obs

○ 2008-03-18 04:31:42
● 2015-07-09 05:37:12
○ 2015-11-12 21:29:24
○ 2026-08-12 22:48:08

○A64.94.31.1232008-03-18 → 2008-03-18 · 3 obs

● 2008-03-18 04:31:42
○ 2015-07-09 05:37:12
○ 2026-08-12 22:48:08

○A69.90.141.482015-11-12 → 2016-12-25 · 5 obs

○ 2015-07-09 05:37:12
● 2015-11-12 21:29:24
● 2016-12-25 18:50:26
○ 2019-03-04 10:11:34
○ 2026-08-12 22:48:08

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2019-03-04 → 2019-03-04 · 3 obs

● 2019-03-04 10:11:34
○ 2026-03-25 12:37:50
○ 2026-08-12 22:48:08

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
sci21.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	12 records

✅ Authoritative Response

Server:3.81.83.148

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sci21.com (unsigned zone)

⏱️ Timing

Total: 129ms | 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	`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

sci21.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.

Additional host names — mitabi.com, spocservices.com, paseata.com and two others — share IP numbers with sci21.com.

Name Servers

DNS for sci21.com is handled by three authoritative name servers: ns1.namebrightdns.com, nsg1.namebrightdns.com and nsg2.namebrightdns.com.

sci21.com partially shares its NS delegation with several other domains, including she911.net, pinkylove.com, kmov.celljournalist.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 with 7 IP numbers:

nsg1.namebrightdns.com has IP addresses 3.81.83.148, 54.152.124.255 and 54.211.183.184, plus 4 other.

Host names that resolve to five IP addresses:

nsg2.namebrightdns.com points to 54.221.37.2, 54.235.53.129, 100.27.188.59 and two other IP addresses.

Host names with three IP numbers:

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