51memory.com - dns.ninja

`51memory.com`

DNSSEC	⚠️ Not signed
A	123.59.10.60^{🇨🇳 CHINA169-BJ123.59.0.0/19 CloudVsp.Inc}
NS	`dns9.hichina.com` ⭐
		A	2408:4009:501::17^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.42^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.52^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.202^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.212^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.42^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.52^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		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,}
		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,}
NS	`dns10.hichina.com`
		A	2408:4009:501::18^{🇨🇳 Alibaba-Cloud2408:4009:501::/48}
		A	39.96.153.41^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	39.96.153.51^{🇨🇳 Alibaba-Cloud39.96.0.0/14 CT BeiJing IDC}
		A	47.118.199.201^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	47.118.199.211^{🇨🇳 Alibaba-Cloud47.118.128.0/17 Alibaba (US) Technology Co., Ltd.}
		A	120.76.107.41^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		A	120.76.107.51^{🇨🇳 Alibaba-Cloud120.76.0.0/17}
		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,}
		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,}
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
SOA	`dns9.hichina.com`hostmaster@hichina.com 2026-05-28 #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=1786611159

Same first word

51memory.com

DNS History

6 records (5 active, 1 former)

●NSdns10.hichina.com2015-10-19 → 2026-08-13 · 2 obs

● 2015-10-19 18:50:32
● 2026-08-13 09:17:20

●NSdns9.hichina.com2015-10-19 → 2026-08-13 · 2 obs

● 2015-10-19 18:50:32
● 2026-08-13 09:17:20

●MXmxbiz1.qq.com2015-10-19 → 2026-08-13 · 2 obs

● 2015-10-19 18:50:32
● 2026-08-13 09:17:20

●MXmxbiz2.qq.com2015-10-19 → 2026-08-13 · 2 obs

● 2015-10-19 18:50:32
● 2026-08-13 09:17:20

○A120.132.90.1042015-10-19 → 2016-11-30 · 4 obs

● 2015-10-19 18:50:32
● 2016-11-30 03:52:20
○ 2018-08-08 09:36:32
○ 2026-08-13 09:17:20

●A123.59.10.602018-08-08 → 2026-08-13 · 3 obs

○ 2016-11-30 03:52:20
● 2018-08-08 09:36:32
● 2026-08-13 09:17:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
51memory.com	dns9.hichina.com, dns10.hichina.com	18 records

✅ Authoritative Response

Server:120.76.107.41

NS records: dns9.hichina.com, dns10.hichina.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 51memory.com (unsigned zone)

⏱️ Timing

Total: 1834ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`123.59.10.60`
NS	2	`dns10.hichina.com, dns9.hichina.com`
MX	2	`mxbiz1.qq.com (pri: 5), mxbiz2.qq.com (pri: 10)`
SOA	1	`dns9.hichina.com hostmaster.hichina.com`

📌 Glue Records Collected

Total: 18

Out-of-bailiwick: 18 (dns9.hichina.com, dns9.hichina.com, dns9.hichina.com...)

Analysis

IP Addresses

51memory.com resolves to one IP address: 123.59.10.60.

Name Servers

51memory.com is served by two delegated name servers, dns10.hichina.com and dns9.hichina.com.

51memory.com uses the same name servers as several other domains — among them kotlin.cn, zzxdfpr.com, linmog.com and two more.

The name servers for 51memory.com are partially shared with other domains like cxi.cc, aiwenke.com and bxhblbj.com

Hostnames that resolve to 9 IP addresses:

dns10.hichina.com carries IP addresses 39.96.153.41, 39.96.153.51 and 47.118.199.201, with 6 other addresses beyond those.

dns9.hichina.com carries IP addresses 39.96.153.42, 39.96.153.52 and 47.118.199.202, with 6 other addresses beyond those.

Mail Servers

Mail for 51memory.com is handled by two mail servers — mxbiz1.qq.com and mxbiz2.qq.com.

51memory.com uses an identical mail server configuration to several other domains — among them iqpon.cn, chuchat.com, feetan.com and two more.

51memory.com has at least partial mail server overlap with other domains such as dmapv.com, tianchangls.com, pigonline.org and two more.