coresu.com - dns.ninja

`coresu.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	44.223.19.215^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-223-19-215.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`
		A	174.129.117.232^{🇺🇸 Amazon174.129.0.0/16 Execution Services}
			PTR	`ec2-174-129-117-232.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1b:1ae1:a0c9:519c:b048^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		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	3.90.31.121^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-90-31-121.compute-1.amazonaws.com`
		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`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-08-01 #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=1785608077

WOT: SAFE (60/100)

Subdomains

mb.coresu.com

vm0.coresu.com

Same first word

coresu.com

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DNS History

15 records (7 active, 8 former)

●NSns1.namebrightdns.com2026-03-25 → 2026-08-01 · 3 obs

○ 2020-03-04 16:49:14
● 2026-03-25 07:48:28
● 2026-08-01 18:41:18

○NSns3.sppd.ne.jp2009-01-06 → 2009-01-06 · 3 obs

● 2009-01-06 05:19:56
○ 2015-07-09 01:19:02
○ 2026-08-01 18:41:18

○NSns6.sppd.ne.jp2009-01-06 → 2009-01-06 · 3 obs

● 2009-01-06 05:19:56
○ 2015-07-09 01:19:02
○ 2026-08-01 18:41:18

●NSnsg1.namebrightdns.com2020-03-04 → 2026-08-01 · 3 obs

○ 2017-03-31 00:04:54
● 2020-03-04 16:49:14
● 2026-08-01 18:41:18

●NSnsg2.namebrightdns.com2020-03-04 → 2026-08-01 · 3 obs

○ 2017-03-31 00:04:54
● 2020-03-04 16:49:14
● 2026-08-01 18:41:18

○NSuns01.lolipop.jp2015-07-09 → 2017-03-31 · 5 obs

○ 2009-01-06 05:19:56
● 2015-07-09 01:19:02
● 2017-03-31 00:04:54
○ 2020-03-04 16:49:14
○ 2026-08-01 18:41:18

○NSuns02.lolipop.jp2015-07-09 → 2017-03-31 · 5 obs

○ 2009-01-06 05:19:56
● 2015-07-09 01:19:02
● 2017-03-31 00:04:54
○ 2020-03-04 16:49:14
○ 2026-08-01 18:41:18

○MXmb.coresu.com2009-01-06 → 2009-01-06 · 3 obs

● 2009-01-06 05:19:56
○ 2015-07-09 01:19:02
○ 2026-08-01 18:41:18

○MXmx01.lolipop.jp2015-07-09 → 2017-03-31 · 5 obs

○ 2009-01-06 05:19:56
● 2015-07-09 01:19:02
● 2017-03-31 00:04:54
○ 2020-03-04 16:49:14
○ 2026-08-01 18:41:18

●A13.223.25.842026-03-25 → 2026-08-01 · 3 obs

○ 2020-03-04 16:49:14
● 2026-03-25 07:48:28
● 2026-08-01 18:41:18

○A203.189.109.1052015-07-09 → 2017-03-31 · 5 obs

○ 2009-01-06 05:19:56
● 2015-07-09 01:19:02
● 2017-03-31 00:04:54
○ 2020-03-04 16:49:14
○ 2026-08-01 18:41:18

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-03-25 → 2026-08-01 · 3 obs

○ 2020-03-04 16:49:14
● 2026-03-25 07:48:28
● 2026-08-01 18:41:18

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-03-25 → 2026-08-01 · 3 obs

○ 2020-03-04 16:49:14
● 2026-03-25 07:48:28
● 2026-08-01 18:41:18

●A54.243.117.1972026-03-25 → 2026-08-01 · 3 obs

○ 2020-03-04 16:49:14
● 2026-03-25 07:48:28
● 2026-08-01 18:41:18

○CNAMEhdredirect-lb5-1afb6e2973825a56.elb.us-east-1.amazonaws.com2020-03-04 → 2020-03-04 · 3 obs

● 2020-03-04 16:49:14
○ 2026-03-25 07:48:28
○ 2026-08-01 18:41:18

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:3.90.31.121

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coresu.com (unsigned zone)

⏱️ Timing

Total: 248ms | 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	`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

Hierarchy

mb.coresu.com and vm0.coresu.com are both subdomains of coresu.com.

IP Addresses

coresu.com resolves to 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.

mx.copperkart.com, rfhotel.com, tailriver.com and two other host names share IP numbers with coresu.com.

Name Servers

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

coresu.com partially shares its NS delegation with several other domains, including supplementforce.com, mx2.escrubber.com, orepic.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 has IP addresses 44.223.19.215, 54.234.103.190 and 174.129.117.232, plus 3 other.

nsg2.namebrightdns.com has IP addresses 3.90.31.121, 54.162.235.48 and 54.221.37.2, plus 3 other.

Hostnames that resolve to three IP addresses:

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