`91um.com`

DNSSEC	⚠️ Not signed
NS	`dns15.hichina.com` ⭐
		A	2408:4009:501::23^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-42.defastlink.net`
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-52.defastlink.net`
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-202.defastlink.net`
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-212.defastlink.net`
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-42.defastlink.net`
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-52.defastlink.net`
		A	139.224.142.112^{🇨🇳 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,}
			PTR	`ip-139-224-142-112.defastlink.net`
		A	139.224.142.122^{🇨🇳 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,}
			PTR	`ip-139-224-142-122.defastlink.net`
NS	`dns16.hichina.com`
		A	2408:4009:501::24^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-41.defastlink.net`
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
			PTR	`ip-39-96-153-51.defastlink.net`
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-201.defastlink.net`
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
			PTR	`ip-47-118-199-211.defastlink.net`
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-41.defastlink.net`
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
			PTR	`ip-120-76-107-51.defastlink.net`
		A	139.224.142.111^{🇨🇳 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,}
			PTR	`ip-139-224-142-111.defastlink.net`
		A	139.224.142.121^{🇨🇳 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,}
			PTR	`ip-139-224-142-121.defastlink.net`
SOA	`dns15.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=1771291435

Same first word

91um.cn

91um.com

Similar names

19um.com

DNS History

10 records (2 active, 8 former)

●NSdns15.hichina.com2026-03-10 → 2026-03-22 · 3 obs

○ 2019-01-16 16:27:54
● 2026-03-10 03:12:40
● 2026-03-22 20:30:40

●NSdns16.hichina.com2026-03-10 → 2026-03-22 · 3 obs

○ 2019-01-16 16:27:54
● 2026-03-10 03:12:40
● 2026-03-22 20:30:40

○NSf1g1ns1.dnspod.net2015-11-24 → 2017-01-31 · 5 obs

○ 2015-07-04 21:50:04
● 2015-11-24 10:33:52
● 2017-01-31 06:38:12
○ 2019-01-16 16:27:54
○ 2026-03-22 20:30:40

○NSf1g1ns2.dnspod.net2015-11-24 → 2017-01-31 · 5 obs

○ 2015-07-04 21:50:04
● 2015-11-24 10:33:52
● 2017-01-31 06:38:12
○ 2019-01-16 16:27:54
○ 2026-03-22 20:30:40

○NSns1.360wzb.com2015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 21:50:04
○ 2015-11-24 10:33:52
○ 2026-03-22 20:30:40

○NSns2.360wzb.com2015-07-04 → 2015-07-04 · 3 obs

● 2015-07-04 21:50:04
○ 2015-11-24 10:33:52
○ 2026-03-22 20:30:40

○NSwww.91um.com2019-01-16 → 2019-01-16 · 4 obs

○ 2017-01-31 06:38:12
● 2019-01-16 16:27:54
○ 2026-03-10 03:12:40
○ 2026-03-22 20:30:40

○MXmail.91um.com2015-11-24 → 2016-06-18 · 4 obs

● 2015-11-24 10:33:52
● 2016-06-18 11:12:04
○ 2019-01-16 16:27:54
○ 2026-03-22 20:30:40

○A119.29.111.1812015-11-24 → 2017-01-31 · 4 obs

● 2015-11-24 10:33:52
● 2017-01-31 06:38:12
○ 2019-01-16 16:27:54
○ 2026-03-22 20:30:40

○CNAMEnum9.dcoin.co2019-01-16 → 2019-01-16 · 3 obs

● 2019-01-16 16:27:54
○ 2026-03-10 03:12:40
○ 2026-03-22 20:30:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
91um.com	dns15.hichina.com, dns16.hichina.com	18 records

✅ Authoritative Response

Server: 120.76.107.41

NS records: dns15.hichina.com, dns16.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

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

⏱️ Timing

Total: 521ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	2	`dns16.hichina.com, dns15.hichina.com`
SOA	1	`dns15.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns15.hichina.com, dns15.hichina.com, dns15.hichina.com...)

Analysis

Name Servers

Delegation for 91um.com rests with two name servers, dns15.hichina.com and dns16.hichina.com.

91um.com shares the same name server setup as other domains, including sddgfj.com, 58qhyc.com, uqaigth.com, 9487.cn and 2live.cn.

91um.com at least partially shares name servers with other domains, for instance fuyimhong.com, elpis.cn, retailforce.com, dunasu.com and fumeile.com.

These name servers are commonly used with expirens3.hichina.com and expirens4.hichina.com.

Host names with nine IP numbers:

dns15.hichina.com points to: 2408:4009:501::23, 39.96.153.42, 39.96.153.52, 47.118.199.202, 47.118.199.212, 120.76.107.42, 120.76.107.52, 139.224.142.112 and 139.224.142.122.

dns16.hichina.com points to: 2408:4009:501::24, 39.96.153.41, 39.96.153.51, 47.118.199.201, 47.118.199.211, 120.76.107.41, 120.76.107.51, 139.224.142.111 and 139.224.142.121.

91um.com - robtex.com

91um.com

com