`sinocultural.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:5420^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:b9ce^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.84.32^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.185.206^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`kareem.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c16^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kareem.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c316^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kareem.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2316^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kareem.ns.cloudflare.com`
		A	108.162.195.22^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kareem.ns.cloudflare.com`
		A	162.159.44.22^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kareem.ns.cloudflare.com`
		A	172.64.35.22^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kareem.ns.cloudflare.com`
NS	`kelly.ns.cloudflare.com`
		A	2606:4700:50::a29f:265b^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kelly.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c25b^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`kelly.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:225b^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`kelly.ns.cloudflare.com`
		A	108.162.194.91^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kelly.ns.cloudflare.com`
		A	162.159.38.91^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kelly.ns.cloudflare.com`
		A	172.64.34.91^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`kelly.ns.cloudflare.com`
MX	`mx1.feishu.cn` ⭐
		A	52.220.106.220^{🇸🇬 Amazon52.220.0.0/15 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
MX	`mx2.feishu.cn`⁽⁵⁾
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		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 SIN prefix}
			PTR	`ec2-52-220-106-220.ap-southeast-1.compute.amazonaws.com`
		A	101.126.58.225^{🇨🇳 VOLCANO-ENGINE101.126.56.0/21 China Internet Network Information Center Floor1, Building No.1 C/-Chinese Academy of Sciences 4, South 4th Street Haidian District,}
		A	122.14.229.0^{🇨🇳 CHINAMOBILE-CN122.14.224.0/20}
TXT	`google-site-verification=NiWgVyphgrYMWazyp3XBs35wdazG52bXRg-MBKvr0P0`
TXT	`pinterest-site-verification=a3622c51dc595c1b64bdc9a0661c72fb`
TXT	`v=spf1 include:mailgun.org include:_netblocks.m.feishu.cn -all`
TXT	`verification-code-site-App_feishu=l8AwAyFqhzsLPYMhlD4l`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.84.32, 172.67.185.206
		IPv6 hints	2606:4700:3032::6815:5420, 2606:4700:3034::ac43:b9ce
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=43, name=cloudflare-ech.com
SOA	`kareem.ns.cloudflare.com`dns@cloudflare.com serial=2411888039

`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=1786652274

📈 Tranco rank: #708,991

Same first word

sinocultural.com

DNS History

11 records (9 active, 2 former)

●NSkareem.ns.cloudflare.com2026-04-10 → 2026-08-13 · 2 obs

● 2026-04-10 00:43:12
● 2026-08-13 20:33:32

●NSkelly.ns.cloudflare.com2026-04-10 → 2026-08-13 · 2 obs

● 2026-04-10 00:43:12
● 2026-08-13 20:33:32

●MXmx1.feishu.cn2026-04-10 → 2026-08-13 · 2 obs

● 2026-04-10 00:43:12
● 2026-08-13 20:33:32

●MXmx2.feishu.cn2026-04-10 → 2026-08-13 · 2 obs

● 2026-04-10 00:43:12
● 2026-08-13 20:33:32

●MXmx3.feishu.cn2026-04-10 → 2026-08-13 · 2 obs

● 2026-04-10 00:43:12
● 2026-08-13 20:33:32

●A104.21.84.322026-04-10 → 2026-08-13 · 2 obs

● 2026-04-10 00:43:12
● 2026-08-13 20:33:32

●A172.67.185.2062026-04-10 → 2026-08-13 · 2 obs

● 2026-04-10 00:43:12
● 2026-08-13 20:33:32

○A2606:4700:3031::ac43:b9ce2026-04-10 → 2026-05-09 · 4 obs

● 2026-04-10 00:43:12
● 2026-05-09 06:50:26
○ 2026-07-05 04:11:30
○ 2026-08-13 20:33:32

●A2606:4700:3032::6815:54202026-07-05 → 2026-08-13 · 3 obs

○ 2026-05-09 06:50:26
● 2026-07-05 04:11:30
● 2026-08-13 20:33:32

●A2606:4700:3034::ac43:b9ce2026-07-05 → 2026-08-13 · 3 obs

○ 2026-05-09 06:50:26
● 2026-07-05 04:11:30
● 2026-08-13 20:33:32

○A2606:4700:3037::6815:54202026-04-10 → 2026-05-09 · 4 obs

● 2026-04-10 00:43:12
● 2026-05-09 06:50:26
○ 2026-07-05 04:11:30
○ 2026-08-13 20:33:32

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
sinocultural.com	kelly.ns.cloudflare.com, kareem.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.22

NS records: kelly.ns.cloudflare.com, kareem.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sinocultural.com (unsigned zone)

⏱️ Timing

Total: 204ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.84.32, 172.67.185.206`
AAAA	2	`2606:4700:3032::6815:5420, 2606:4700:3034::ac43:b9ce`
NS	2	`kareem.ns.cloudflare.com, kelly.ns.cloudflare.com`
MX	3	`mx1.feishu.cn (pri: 1), mx3.feishu.cn (pri: 10)...`
TXT	4	`google-site-verification=NiWgVyphgrYMWaz, pinterest-site-verification=a3622c51dc59...`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`kareem.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

sinocultural.com resolves to four IP addresses: 104.21.84.32, 172.67.185.206, 2606:4700:3032::6815:5420 and 2606:4700:3034::ac43:b9ce.

atrochaspace.click, sayclub.top, rufai.com and two other host names share IP numbers with sinocultural.com.

Name Servers

sinocultural.com uses two name servers for its delegation: kareem.ns.cloudflare.com and kelly.ns.cloudflare.com.

sinocultural.com uses the same name servers as several other domains — among them serraazul.com.br, east-west-tours.com, oappsis.com and two more.

sinocultural.com shares at least some of its name servers with other domains, including yourprivatemls.com, kreditplusbank.ch, redecanaisvip.club and two others.

It is common to find these name servers alongside the name servers liz.ns.cloudflare.com, ignacio.ns.cloudflare.com, lady.ns.cloudflare.com and two others.

Hostnames that resolve to 6 IP addresses:

Hostname kareem.ns.cloudflare.com directs to 108.162.195.22, 162.159.44.22 and 172.64.35.22 along with 3 other IP addresses.

Hostname kelly.ns.cloudflare.com directs to 108.162.194.91, 162.159.38.91 and 172.64.34.91 along with 3 other IP addresses.

Mail Servers

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

sinocultural.com has at least partial mail server overlap with other domains such as 75buy.top, etool.ai, sig-china.com and two more.

Hostnames that resolve to three IP addresses:

The hostname mx3.feishu.cn directs to 52.220.106.220, 101.126.58.225 and 122.14.229.0.

Hostnames that resolve to two IP addresses:

mx2.feishu.cn directs traffic to 101.126.58.225 and 122.14.229.0.

Hosts with just one IP address:

mx1.feishu.cn has the IP address 52.220.106.220.

Both mx3.feishu.cn and mx1.feishu.cn resolve to 52.220.106.220 IP addresses each.

Both mx3.feishu.cn and mx2.feishu.cn resolve to 101.126.58.225 IP addresses each.

Both mx3.feishu.cn and mx2.feishu.cn resolve to 122.14.229.0 IP addresses each.

sinocultural.com - robtex.com