`91youyu.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:aa86:dc69:2f3:5dbe^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:3376:e04f:851f:406c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a510:c365:d06a:e73a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	52.91.47.137^{🇺🇸 Amazon52.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-91-47-137.compute-1.amazonaws.com`
		A	54.92.199.119^{🇺🇸 Amazon54.92.128.0/17 EC2 IAD prefix}
			PTR	`ec2-54-92-199-119.compute-1.amazonaws.com`
		A	98.83.163.23^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-83-163-23.compute-1.amazonaws.com`
NS	`nsg1.namebrightdns.com`
		A	2600:1f18:683a:ae1a:5270:abef:1649:cfdf^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:e5a9:8ee2:a408:496a^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:e842:8110:107c:b494^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:b2d2:f9bf:c31b:7e61^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:eeac:40a7:37c0:6fcc^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	18.209.34.29^{🇺🇸 Amazon18.208.0.0/13 EC2 IAD prefix}
			PTR	`ec2-18-209-34-29.compute-1.amazonaws.com`
		A	44.220.149.224^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
			PTR	`ec2-44-220-149-224.compute-1.amazonaws.com`
		A	54.85.154.126^{🇺🇸 Amazon54.84.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-85-154-126.compute-1.amazonaws.com`
		A	54.90.222.89^{🇺🇸 Amazon54.90.0.0/15 EC2 IAD prefix}
			PTR	`ec2-54-90-222-89.compute-1.amazonaws.com`
		A	98.81.135.11^{🇺🇸 Amazon98.80.0.0/13 EC2 IAD Prefix}
			PTR	`ec2-98-81-135-11.compute-1.amazonaws.com`
NS	`nsg2.namebrightdns.com`
		A	2600:1f18:683a:ae1a:5de3:627d:7177:d4b4^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1a:e1f7:fcf3:dce8:5758^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:130f:6e59:4e36:8c1e^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:9806:d504:f0e4:26c^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	2600:1f18:683a:ae1b:a00e:60bf:4fb5:f5b^{🇺🇸 Amazon2600:1f18:6000::/35 AMAZON EC2 IAD prefix}
		A	3.85.217.230^{🇺🇸 Amazon3.80.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-85-217-230.compute-1.amazonaws.com`
		A	13.221.125.168^{🇺🇸 Amazon13.216.0.0/13 EC2 IAD prefix}
			PTR	`ec2-13-221-125-168.compute-1.amazonaws.com`
		A	52.71.169.180^{🇺🇸 Amazon52.70.0.0/15 EC2 IAD prefix}
			PTR	`ec2-52-71-169-180.compute-1.amazonaws.com`
		A	54.145.228.233^{🇺🇸 Amazon54.144.0.0/14 EC2 IAD NAT prefix}
			PTR	`ec2-54-145-228-233.compute-1.amazonaws.com`
		A	98.93.89.251^{🇺🇸 Amazon98.88.0.0/13 EC2 IAD prefix}
			PTR	`ec2-98-93-89-251.compute-1.amazonaws.com`
TXT	`afternic-verification-G9G3tM8T8EwEizzPzjGJWF`
TXT	`v=spf1 -all`
SOA	`ns1.namebrightdns.com`dns@namebright.com 2026-03-25 #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=1774420272

Same first word

91youyu.com

91youyu.cn

DNS History

12 records (7 active, 5 former)

○NSf1g1ns1.dnspod.net2015-06-11 → 2017-03-25 · 4 obs

● 2015-06-11 15:08:22
● 2017-03-25 09:15:36
○ 2026-02-14 23:07:12
○ 2026-03-25 06:39:18

○NSf1g1ns2.dnspod.net2015-06-11 → 2017-03-25 · 4 obs

● 2015-06-11 15:08:22
● 2017-03-25 09:15:36
○ 2026-02-14 23:07:12
○ 2026-03-25 06:39:18

●NSns1.namebrightdns.com2026-02-14 → 2026-03-25 · 3 obs

○ 2017-03-25 09:15:36
● 2026-02-14 23:07:12
● 2026-03-25 06:39:18

●NSnsg1.namebrightdns.com2026-02-14 → 2026-03-25 · 3 obs

○ 2017-03-25 09:15:36
● 2026-02-14 23:07:12
● 2026-03-25 06:39:18

●NSnsg2.namebrightdns.com2026-02-14 → 2026-03-25 · 3 obs

○ 2017-03-25 09:15:36
● 2026-02-14 23:07:12
● 2026-03-25 06:39:18

○MXmxbiz1.qq.com2015-06-11 → 2026-02-17 · 4 obs

● 2015-06-11 15:08:22
● 2026-02-17 04:52:10
○ 2026-03-25 06:39:16
○ 2026-03-25 06:39:18

○MXmxbiz2.qq.com2015-06-11 → 2026-02-17 · 4 obs

● 2015-06-11 15:08:22
● 2026-02-17 04:52:10
○ 2026-03-25 06:39:16
○ 2026-03-25 06:39:18

○A121.40.87.1462015-06-11 → 2017-03-25 · 4 obs

● 2015-06-11 15:08:22
● 2017-03-25 09:15:36
○ 2026-02-14 23:07:12
○ 2026-03-25 06:39:18

●A13.223.25.842026-02-14 → 2026-03-25 · 3 obs

○ 2017-03-25 09:15:36
● 2026-02-14 23:07:12
● 2026-03-25 06:39:18

●A2600:1f18:4ae:c605:dd5d:b838:5816:d7fb2026-02-14 → 2026-03-25 · 3 obs

○ 2017-03-25 09:15:36
● 2026-02-14 23:07:12
● 2026-03-25 06:39:18

●A2600:1f18:4ae:c606:78d4:4260:db4e:aeee2026-02-14 → 2026-03-25 · 3 obs

○ 2017-03-25 09:15:36
● 2026-02-14 23:07:12
● 2026-03-25 06:39:18

●A54.243.117.1972026-02-14 → 2026-03-25 · 3 obs

○ 2017-03-25 09:15:36
● 2026-02-14 23:07:12
● 2026-03-25 06:39:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
91youyu.com	nsg1.namebrightdns.com, nsg2.namebrightdns.com	22 records

✅ Authoritative Response

Server:18.209.34.29

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 91youyu.com (unsigned zone)

⏱️ Timing

Total: 114ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`13.223.25.84, 54.243.117.197`
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`