`stephenslab.top`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:5e89^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:a850^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.94.137^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.168.80^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`leah.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a81^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c081^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`leah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2081^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`leah.ns.cloudflare.com`
		A	108.162.192.129^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	172.64.32.129^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
		A	173.245.58.129^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`leah.ns.cloudflare.com`
NS	`nitin.ns.cloudflare.com`
		A	2606:4700:58::adf5:3bd7^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d7^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nitin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d7^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nitin.ns.cloudflare.com`
		A	108.162.193.215^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	172.64.33.215^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
		A	173.245.59.215^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nitin.ns.cloudflare.com`
MX	`mx1.qiye.aliyun.com` ⭐
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
MX	`mx2.qiye.aliyun.com`⁽¹⁰⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
MX	`mx3.qiye.aliyun.com`⁽¹⁵⁾
		A	47.246.136.231^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
			PTR	`cz-clare.com`
			PTR	`reachsmartdwell.com`
			PTR	`wevolt.tech`
		A	47.246.137.47^{🇺🇸 Alibaba-Cloud47.246.136.0/22 Alibaba CLoud}
TXT	`google-site-verification=O9mjAt4FBaHl4bzRKJEXStBoBTTe0-KvfaQl4m0HNKg`
TXT	`v=spf1 include:spf.qiye.aliyun.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.94.137, 172.67.168.80
		IPv6	2606:4700:3030::6815:5e89, 2606:4700:3030::ac43:a850
SOA	`leah.ns.cloudflare.com`dns@cloudflare.com serial=2396731868

`top`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.zdnscloud.com` ⭐
	NS	`a.zdnscloud.cn`
	NS	`b.zdnscloud.cn`
	NS	`c.zdnscloud.com`
	NS	`d.zdnscloud.com`
	NS	`f.zdnscloud.cn`
	NS	`g.zdnscloud.com`
	NS	`i.zdnscloud.cn`
	NS	`j.zdnscloud.com`
	TXT	`2026-03-27_08:15:01`
	SOA	`a.zdnscloud.com`td_dns_gtld@knet.cn serial=1395370879

Same first word

stephenslab.github.io

stephenslab.top

DNS History

9 records (9 active, 0 former)

●NSleah.ns.cloudflare.com2026-03-21 → 2026-03-27 · 2 obs

● 2026-03-21 21:26:14
● 2026-03-27 00:27:44

●NSnitin.ns.cloudflare.com2026-03-21 → 2026-03-27 · 2 obs

● 2026-03-21 21:26:14
● 2026-03-27 00:27:44

●MXmx1.qiye.aliyun.com2026-03-21 → 2026-03-27 · 2 obs

● 2026-03-21 21:26:14
● 2026-03-27 00:27:44

●MXmx2.qiye.aliyun.com2026-03-21 → 2026-03-27 · 2 obs

● 2026-03-21 21:26:14
● 2026-03-27 00:27:44

●MXmx3.qiye.aliyun.com2026-03-21 → 2026-03-27 · 2 obs

● 2026-03-21 21:26:14
● 2026-03-27 00:27:44

●A104.21.94.1372026-03-21 → 2026-03-27 · 2 obs

● 2026-03-21 21:26:14
● 2026-03-27 00:27:44

●A172.67.168.802026-03-21 → 2026-03-27 · 2 obs

● 2026-03-21 21:26:14
● 2026-03-27 00:27:44

●A2606:4700:3030::6815:5e892026-03-21 → 2026-03-27 · 2 obs

● 2026-03-21 21:26:14
● 2026-03-27 00:27:44

●A2606:4700:3030::ac43:a8502026-03-21 → 2026-03-27 · 2 obs

● 2026-03-21 21:26:14
● 2026-03-27 00:27:44

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
top	f.zdnscloud.cn, c.zdnscloud.com, i.zdnscloud.cn, d.zdnscloud.com...	-
stephenslab.top	leah.ns.cloudflare.com, nitin.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.33.215

NS records: leah.ns.cloudflare.com, nitin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for stephenslab.top (unsigned zone)

⏱️ Timing

Total: 1385ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.168.80, 104.21.94.137`
AAAA	2	`2606:4700:3030::ac43:a850, 2606:4700:3030::6815:5e89`
NS	2	`leah.ns.cloudflare.com, nitin.ns.cloudflare.com`
MX	3	`mx2.qiye.aliyun.com (pri: 10), mx3.qiye.aliyun.com (pri: 15)...`
TXT	2	`google-site-verification=O9mjAt4FBaHl4bz, v=spf1 include:spf.qiye.aliyun.com -all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`leah.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

stephenslab.top resolves to four IPs: 2606:4700:3030::6815:5e89, 2606:4700:3030::ac43:a850, 104.21.94.137 and 172.67.168.80.

Other host names such as millrace.co.uk, nutribody.ca, jintianzsgc.com, hubert.at and datacatalogs.org share IP numbers with stephenslab.top.

Name Servers

stephenslab.top is delegated to two name servers: leah.ns.cloudflare.com and nitin.ns.cloudflare.com.

stephenslab.top uses the same name server setup as other domains, including flexaccess.com, highpoly3d.com, medsprava.com.ua, yumetal.net and citizengate.com.

At least part of the name servers for stephenslab.top are shared with other domains, for instance coinforyourcrib.com, provitos.com, floridamortuary.net, bicaraenergi.com and mathismortgage.com.

these name servers are commonly used with mark.ns.cloudflare.com, cass.ns.cloudflare.com, celine.ns.cloudflare.com, ed.ns.cloudflare.com and daniella.ns.cloudflare.com.

Host names with six IP numbers:

leah.ns.cloudflare.com points to: 2606:4700:50::adf5:3a81, 2803:f800:50::6ca2:c081, 2a06:98c1:50::ac40:2081, 108.162.192.129, 172.64.32.129 and 173.245.58.129.

nitin.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd7, 2803:f800:50::6ca2:c1d7, 2a06:98c1:50::ac40:21d7, 108.162.193.215, 172.64.33.215 and 173.245.59.215.

Mail Servers

Three mail servers handle stephenslab.top: mx1.qiye.aliyun.com, mx2.qiye.aliyun.com and mx3.qiye.aliyun.com.

stephenslab.top shares at least some mail servers with other domains, for example tanobio.com, imaxtop.com, arca-sh.com, senfly.com and luyusoft.com.