`memorymargin.com`

DNSSEC	⚠️ Not signed
A	18.218.220.81^{🇺🇸 Amazon18.216.0.0/14 EC2 CMH prefix}
		PTR	`ec2-18-218-220-81.us-east-2.compute.amazonaws.com`
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}
		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	`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}
		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	`mail.memorymargin.com` ⭐
		A	47.254.92.90^{🇺🇸 Alibaba-Cloud47.254.64.0/18 Proxy-registered route object}
			PTR	`ninisilk.com`
			PTR	`new.showcloud.top`
TXT	`v=spf1 ip4:47.254.92.90~all`
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=1774475107

⚠️ On DNS blocklist: tif

Same first word

memorymargin.com

DNS History

9 records (4 active, 5 former)

●NSdns15.hichina.com2026-03-01 → 2026-03-25 · 3 obs

○ 2019-03-06 18:18:02
● 2026-03-01 01:50:38
● 2026-03-25 22:01:42

●NSdns16.hichina.com2026-03-01 → 2026-03-25 · 3 obs

○ 2019-03-06 18:18:02
● 2026-03-01 01:50:38
● 2026-03-25 22:01:42

○NSns1.dynadot.com2019-03-06 → 2019-03-06 · 3 obs

● 2019-03-06 18:18:02
○ 2026-03-01 01:50:38
○ 2026-03-25 22:01:42

○NSns2.dynadot.com2019-03-06 → 2019-03-06 · 3 obs

● 2019-03-06 18:18:02
○ 2026-03-01 01:50:38
○ 2026-03-25 22:01:42

●MXmail.memorymargin.com2026-03-01 → 2026-03-25 · 2 obs

● 2026-03-01 01:50:38
● 2026-03-25 22:01:42

●A18.218.220.812026-03-01 → 2026-03-25 · 3 obs

○ 2019-03-06 18:18:02
● 2026-03-01 01:50:38
● 2026-03-25 22:01:42

○A34.202.122.772019-03-06 → 2019-03-06 · 3 obs

● 2019-03-06 18:18:02
○ 2026-03-01 01:50:38
○ 2026-03-25 22:01:42

○A35.169.225.2482019-03-06 → 2019-03-06 · 3 obs

● 2019-03-06 18:18:02
○ 2026-03-01 01:50:38
○ 2026-03-25 22:01:42

○A52.0.7.302019-03-06 → 2019-03-06 · 3 obs

● 2019-03-06 18:18:02
○ 2026-03-01 01:50:38
○ 2026-03-25 22:01:42

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:120.76.107.42

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for memorymargin.com (unsigned zone)

⏱️ Timing

Total: 952ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`18.218.220.81`
NS	2	`dns15.hichina.com, dns16.hichina.com`
MX	1	`mail.memorymargin.com (pri: 1)`
TXT	1	`v=spf1 ip4:47.254.92.90~all`
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

IP Addresses

memorymargin.com points to a single IP: 18.218.220.81.

Other host names, for instance heartwooden.com, thfirstplace.com, fairymyth.com, conversionb.com and mysteriouse.com share IP numbers with memorymargin.com.

Name Servers

memorymargin.com's delegation is to two name servers dns15.hichina.com and dns16.hichina.com.

memorymargin.com shares the same name server configuration as other domains, such as dubei.cn, zhizhuyun.com.cn, 95789.net, lyfluent.com and youfuedu.com.

memorymargin.com at least partially shares its name servers with other domains, for instance humenren.com, morethan.cc, vitacodt.com, thecapital.cn and oxbridger.com.

these name servers are commonly used together with ns1.alidns.com, ns2.alidns.com, dns3.hichina.com and dns4.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.

Mail Servers

memorymargin.com is served by a single mail server, mail.memorymargin.com.

mail.memorymargin.com points to IP number 47.254.92.90.

memorymargin.com - robtex.com