`91byy.com`

DNSSEC	⚠️ Not signed
NS	`dns29.hichina.com` ⭐
		A	2408:4009:501::37^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.39^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.59^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.199^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.219^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.39^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.59^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.99^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.109^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
NS	`dns30.hichina.com`
		A	2408:4009:501::38^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.37^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.62^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.197^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.221^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.37^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.62^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	139.224.142.102^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	139.224.142.107^{🇨🇳 Alibaba-Cloud139.224.128.0/17 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
SOA	`dns29.hichina.com`hostmaster@hichina.com 2026-01-12 #9

`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=1785878459

Same first word

91byy.com

Similar names

yyb19.top

DNS History

6 records (2 active, 4 former)

●NSdns29.hichina.com2026-08-04 → 2026-08-04 · 3 obs

○ 2017-05-09 04:50:26
● 2026-08-04 21:34:58
● 2026-08-04 21:35:00

●NSdns30.hichina.com2026-08-04 → 2026-08-04 · 3 obs

○ 2017-05-09 04:50:26
● 2026-08-04 21:34:58
● 2026-08-04 21:35:00

○NSns1.xrnet.cn2017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 04:50:26
○ 2026-08-04 21:34:58
○ 2026-08-04 21:35:00

○NSns2.xrnet.cn2017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 04:50:26
○ 2026-08-04 21:34:58
○ 2026-08-04 21:35:00

○MXmail.91byy.com2017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 04:50:26
○ 2026-08-04 21:34:58
○ 2026-08-04 21:35:00

○A139.129.245.402017-05-09 → 2017-05-09 · 3 obs

● 2017-05-09 04:50:26
○ 2026-08-04 21:34:58
○ 2026-08-04 21:35:00

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, m.gtld-servers.net, l.gtld-servers.net, c.gtld-servers.net...	-
91byy.com	dns29.hichina.com, dns30.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.37

NS records: dns29.hichina.com, dns30.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 603ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns29.hichina.com, dns30.hichina.com`
SOA	1	`dns29.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns29.hichina.com, dns29.hichina.com, dns29.hichina.com...)

Analysis

Name Servers

91byy.com uses two name servers for its delegation: dns29.hichina.com and dns30.hichina.com.

91byy.com uses the same name servers as several other domains — among them hbmccarbon.com, cenr.cn, insightlooktech.top and two more.

91byy.com has at least partial name server overlap with other domains, such as i(0x62656567)er.com, ehmd.cn, jm-robot-sh.com and two others.

It is common to find these name servers paired with the name servers expirens3.hichina.com, expirens4.hichina.com, ns1.alidns.com and ns2.alidns.com.

Hostnames that resolve to 9 IP addresses:

Hostname dns29.hichina.com directs to 39.96.153.39, 39.96.153.59 and 47.118.199.199 along with 6 other IP addresses.

Hostname dns30.hichina.com directs to 39.96.153.37, 39.96.153.62 and 47.118.199.197 along with 6 other IP addresses.

91byy.com - robtex.com

91byy.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Name Servers

`91byy.com`

`com`