`keepresearch.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3035::ac43:d5d3^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3037::6815:4334^{🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.67.52^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.213.211^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`nova.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2681^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nova.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c281^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`nova.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2281^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`nova.ns.cloudflare.com`
		A	108.162.194.129^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nova.ns.cloudflare.com`
		A	162.159.38.129^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nova.ns.cloudflare.com`
		A	172.64.34.129^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`nova.ns.cloudflare.com`
NS	`uriah.ns.cloudflare.com`
		A	2606:4700:58::a29f:2cc2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uriah.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3c2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`uriah.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23c2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`uriah.ns.cloudflare.com`
		A	108.162.195.194^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uriah.ns.cloudflare.com`
		A	162.159.44.194^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uriah.ns.cloudflare.com`
		A	172.64.35.194^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`uriah.ns.cloudflare.com`
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 AS137718101.126.56.0/21}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
MX	`mx3.feishu.cn`⁽¹⁰⁾
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 AS137718101.126.56.0/21}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`v=spf1 +include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=uPplq8tzs03ldBZyjumT`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.67.52, 172.67.213.211
		IPv6 hints	2606:4700:3035::ac43:d5d3, 2606:4700:3037::6815:4334
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=1, name=cloudflare-ech.com
SOA	`nova.ns.cloudflare.com`dns@cloudflare.com serial=2402140639

`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=1778557431

Same first word

keepresearch.com

DNS History

9 records (9 active, 0 former)

●NSnova.ns.cloudflare.com2026-04-14 → 2026-05-12 · 2 obs

● 2026-04-14 19:24:06
● 2026-05-12 03:56:24

●NSuriah.ns.cloudflare.com2026-04-14 → 2026-05-12 · 2 obs

● 2026-04-14 19:24:06
● 2026-05-12 03:56:24

●MXmx1.feishu.cn2026-04-14 → 2026-05-12 · 2 obs

● 2026-04-14 19:24:06
● 2026-05-12 03:56:24

●MXmx2.feishu.cn2026-04-14 → 2026-05-12 · 2 obs

● 2026-04-14 19:24:06
● 2026-05-12 03:56:24

●MXmx3.feishu.cn2026-04-14 → 2026-05-12 · 2 obs

● 2026-04-14 19:24:06
● 2026-05-12 03:56:24

●A104.21.67.522026-04-14 → 2026-05-12 · 2 obs

● 2026-04-14 19:24:06
● 2026-05-12 03:56:24

●A172.67.213.2112026-04-14 → 2026-05-12 · 2 obs

● 2026-04-14 19:24:06
● 2026-05-12 03:56:24

●A2606:4700:3035::ac43:d5d32026-04-14 → 2026-05-12 · 2 obs

● 2026-04-14 19:24:06
● 2026-05-12 03:56:24

●A2606:4700:3037::6815:43342026-04-14 → 2026-05-12 · 2 obs

● 2026-04-14 19:24:06
● 2026-05-12 03:56:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
keepresearch.com	nova.ns.cloudflare.com, uriah.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.194

NS records: nova.ns.cloudflare.com, uriah.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for keepresearch.com (unsigned zone)

⏱️ Timing

Total: 2329ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.213.211, 104.21.67.52`
AAAA	2	`2606:4700:3037::6815:4334, 2606:4700:3035::ac43:d5d3`
NS	2	`nova.ns.cloudflare.com, uriah.ns.cloudflare.com`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	2	`v=spf1 +include:_netblocks.m.feishu.cn -, verification-code-site-App_feishu=uPplq8`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`nova.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (nova.ns.cloudflare.com, nova.ns.cloudflare.com, nova.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by keepresearch.com: 2606:4700:3035::ac43:d5d3, 2606:4700:3037::6815:4334, 104.21.67.52 and 172.67.213.211.

other host names including 43002627dd52.43002627dd52.43002627dd52.modelstudio.com, mlbb-sec.webcom.workers.dev, craftshopmall.com, luxurynailspaau.com and mail.gotitonline.com share IP numbers with keepresearch.com.

Name Servers

keepresearch.com is delegated to two name servers nova.ns.cloudflare.com and uriah.ns.cloudflare.com.

keepresearch.com shares the same name server setup as other domains, for instance re(0x736578)po.com, bitaelec.ir, cisedu.info, tipshows.com and canvascloud.top.

keepresearch.com at least partially shares name servers with other domains, for instance onanuit.com, globalvoicesnow.id, tmallok.com, 8tb2s6.mom and lfejcyu.cc.

These name servers are commonly used with rommy.ns.cloudflare.com, rudy.ns.cloudflare.com and paul.ns.cloudflare.com.

Host names with six IP numbers:

Host name nova.ns.cloudflare.com points to: 2606:4700:50::a29f:2681, 2803:f800:50::6ca2:c281, 2a06:98c1:50::ac40:2281, 108.162.194.129, 162.159.38.129 and 172.64.34.129.

Host name uriah.ns.cloudflare.com points to: 2606:4700:58::a29f:2cc2, 2803:f800:50::6ca2:c3c2, 2a06:98c1:50::ac40:23c2, 108.162.195.194, 162.159.44.194 and 172.64.35.194.

Mail Servers

keepresearch.com is handled by three mail servers: mx1.feishu.cn, mx2.feishu.cn and mx3.feishu.cn.

keepresearch.com shares some mail servers with other domains, at least partially, for instance hivedrama.com, hifox.cn, hackyin.com, sogdians.com and ibob.cn.