`ysybj.com`

DNSSEC	⚠️ Not signed
NS	`ns1.namebrightdns.com` ⭐ ⚠️ Not in parent delegation
		A	2600:1f18:683a:ae1a:8c4:68b9:44b4:20ca^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:9f93:5946:9845:461^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:d02d:c923:c480:4c8f^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.85.130.88^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-85-130-88.compute-1.amazonaws.com`
		A	34.229.9.192^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-229-9-192.compute-1.amazonaws.com`
		A	54.159.91.195^{🇺🇸 Amazon54.156.0.0/14 EC2 IAD prefix}
			PTR	`ip-54-159-91-195.defastlink.net`
NS	`ns1.dropcatch.com` ⚠️ Not in zone NS records
		A	2600:1f18:683a:ae1b:8d53:5d7a:6c0b:eb1b^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.88.5.240^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-88-5-240.compute-1.amazonaws.com`
		A	52.23.179.111^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-23-179-111.compute-1.amazonaws.com`
NS	`ns2.dropcatch.com` ⚠️ Not in zone NS records
		A	2600:1f18:683a:ae1a:167:4924:c281:a1bc^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:9104:66ad:1859:3088^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:806d:d76a:ebbf:b908^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	54.164.93.203^{🇺🇸 Amazon54.164.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-164-93-203.compute-1.amazonaws.com`
		A	100.31.153.100^{🇺🇸 Amazon100.24.0.0/13 EC2 IAD prefix}
			PTR	`ec2-100-31-153-100.compute-1.amazonaws.com`
NS	`ns2.namebrightdns.com` ⚠️ Not in parent delegation
		A	2600:1f18:683a:ae1a:2e7c:4d2:11a:fb^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:404c:744d:9ebb:a0a4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:cfa8:5397:e87c:69f5^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:5baf:bb2e:3a49:1c72^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	18.208.198.192^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-208-198-192.compute-1.amazonaws.com`
		A	34.229.142.221^{🇺🇸 Amazon34.224.0.0/12 EC2 Region prefix}
			PTR	`ec2-34-229-142-221.compute-1.amazonaws.com`
		A	54.83.64.216^{🇺🇸 Amazon54.80.0.0/14 EC2 IAD prefix}
			PTR	`ip-54-83-64-216.defastlink.net`
		A	54.234.103.70^{🇺🇸 Amazon54.234.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-234-103-70.compute-1.amazonaws.com`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-03-28 #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=1774686097

Same first word

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DNS History

10 records (4 active, 6 former)

○NSdns13.hichina.com2015-06-29 → 2016-04-17 · 4 obs

● 2015-06-29 17:26:44
● 2016-04-17 09:33:46
○ 2017-01-01 19:42:36
○ 2026-03-28 08:27:24

○NSdns14.hichina.com2015-06-29 → 2016-04-17 · 4 obs

● 2015-06-29 17:26:44
● 2016-04-17 09:33:46
○ 2017-01-01 19:42:36
○ 2026-03-28 08:27:24

●NSns1.dropcatch.com2026-03-27 → 2026-03-28 · 3 obs

○ 2017-01-01 19:42:36
● 2026-03-27 09:42:46
● 2026-03-28 08:27:24

●NSns1.namebrightdns.com2017-01-01 → 2026-03-28 · 3 obs

○ 2016-04-17 09:33:46
● 2017-01-01 19:42:36
● 2026-03-28 08:27:24

●NSns2.dropcatch.com2026-03-27 → 2026-03-28 · 3 obs

○ 2017-01-01 19:42:36
● 2026-03-27 09:42:46
● 2026-03-28 08:27:24

●NSns2.namebrightdns.com2017-01-01 → 2026-03-28 · 3 obs

○ 2016-04-17 09:33:46
● 2017-01-01 19:42:36
● 2026-03-28 08:27:24

○A115.47.48.1602015-06-29 → 2016-01-25 · 4 obs

● 2015-06-29 17:26:44
● 2016-01-25 04:43:18
○ 2016-04-17 09:33:46
○ 2026-03-28 08:27:24

○A54.82.156.192017-01-01 → 2017-01-01 · 4 obs

○ 2016-04-17 09:33:46
● 2017-01-01 19:42:36
○ 2018-01-14 09:04:24
○ 2026-03-28 08:27:24

○A54.86.225.1562017-01-01 → 2017-01-01 · 4 obs

○ 2016-04-17 09:33:46
● 2017-01-01 19:42:36
○ 2018-01-14 09:04:24
○ 2026-03-28 08:27:24

○CNAMEhdredirect-lb3-890977680.us-east-1.elb.amazonaws.com2017-01-01 → 2018-01-14 · 4 obs

● 2017-01-01 19:42:36
● 2018-01-14 09:04:24
○ 2026-03-27 09:42:46
○ 2026-03-28 08:27:24

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:3.88.5.240

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for ysybj.com (unsigned zone)

⏱️ Timing

Total: 138ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`ns1.namebrightdns.com, ns2.namebrightdns.com`
SOA	1	`ns1.namebrightdns.com dns.namebright.com`

📌 Glue Records Collected

Total: 8

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

Analysis

Name Servers

ysybj.com is delegated to four name servers: ns1.dropcatch.com, ns2.dropcatch.com, ns1.namebrightdns.com and ns2.namebrightdns.com.

ysybj.com at least partially shares name servers with other domains, for instance thebigballoon.com, thrivingtalent.com, arcturussoftware.com, libertynv.com and tokno.com.

these name servers are commonly used with nsg1.namebrightdns.com, nsg2.namebrightdns.com, domain-for-sale.hugedomainsdns.com and forsale.hugedomainsdns.com.

Eight IP numbers:

ns2.namebrightdns.com points to: 2600:1f18:683a:ae1a:2e7c:4d2:11a:fb, 2600:1f18:683a:ae1a:404c:744d:9ebb:a0a4, 2600:1f18:683a:ae1a:cfa8:5397:e87c:69f5, 2600:1f18:683a:ae1b:5baf:bb2e:3a49:1c72, 18.208.198.192, 34.229.142.221, 54.83.64.216 and 54.234.103.70.

Six IP numbers:

ns1.namebrightdns.com points to: 2600:1f18:683a:ae1a:8c4:68b9:44b4:20ca, 2600:1f18:683a:ae1b:9f93:5946:9845:461, 2600:1f18:683a:ae1b:d02d:c923:c480:4c8f, 3.85.130.88, 34.229.9.192 and 54.159.91.195.

Five IP numbers:

ns2.dropcatch.com points to: 2600:1f18:683a:ae1a:167:4924:c281:a1bc, 2600:1f18:683a:ae1a:9104:66ad:1859:3088, 2600:1f18:683a:ae1b:806d:d76a:ebbf:b908, 54.164.93.203 and 100.31.153.100.

Three IP numbers:

ns1.dropcatch.com points to: 2600:1f18:683a:ae1b:8d53:5d7a:6c0b:eb1b, 3.88.5.240 and 52.23.179.111.

ysybj.com - robtex.com

ysybj.com

com