`koosync.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3032::6815:390a^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::ac43:bcb7^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.57.10^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.188.183^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`mitch.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bd0^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1d0^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mitch.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21d0^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mitch.ns.cloudflare.com`
		A	108.162.193.208^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
		A	172.64.33.208^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
		A	173.245.59.208^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mitch.ns.cloudflare.com`
NS	`ruth.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a8f^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c08f^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`ruth.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:208f^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`ruth.ns.cloudflare.com`
		A	108.162.192.143^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	172.64.32.143^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
		A	173.245.58.143^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ruth.ns.cloudflare.com`
MX	`mxbiz1.qq.com` ⭐
MX	`mxbiz2.qq.com`⁽¹⁰⁾
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.57.10, 172.67.188.183
		IPv6 hints	2606:4700:3032::6815:390a, 2606:4700:3034::ac43:bcb7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=126, name=cloudflare-ech.com
SOA	`mitch.ns.cloudflare.com`dns@cloudflare.com serial=2401160342

`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=1776047547

Same first word

koosync.com

Similar names

okycons.com

DNS History

12 records (8 active, 4 former)

●NSmitch.ns.cloudflare.com2026-03-09 → 2026-04-13 · 2 obs

● 2026-03-09 02:56:58
● 2026-04-13 02:37:28

●NSruth.ns.cloudflare.com2026-03-09 → 2026-04-13 · 2 obs

● 2026-03-09 02:56:58
● 2026-04-13 02:37:28

●MXmxbiz1.qq.com2026-03-09 → 2026-04-13 · 2 obs

● 2026-03-09 02:56:58
● 2026-04-13 02:37:28

●MXmxbiz2.qq.com2026-03-09 → 2026-04-13 · 2 obs

● 2026-03-09 02:56:58
● 2026-04-13 02:37:28

●A104.21.57.102026-04-03 → 2026-04-13 · 3 obs

○ 2026-03-09 02:56:58
● 2026-04-03 13:18:58
● 2026-04-13 02:37:28

●A172.67.188.1832026-04-03 → 2026-04-13 · 3 obs

○ 2026-03-09 02:56:58
● 2026-04-03 13:18:58
● 2026-04-13 02:37:28

○A188.114.96.02026-03-09 → 2026-03-09 · 3 obs

● 2026-03-09 02:56:58
○ 2026-04-03 13:18:58
○ 2026-04-13 02:37:28

○A188.114.97.02026-03-09 → 2026-03-09 · 3 obs

● 2026-03-09 02:56:58
○ 2026-04-03 13:18:58
○ 2026-04-13 02:37:28

●A2606:4700:3032::6815:390a2026-04-03 → 2026-04-13 · 3 obs

○ 2026-03-09 02:56:58
● 2026-04-03 13:18:58
● 2026-04-13 02:37:28

●A2606:4700:3034::ac43:bcb72026-04-03 → 2026-04-13 · 3 obs

○ 2026-03-09 02:56:58
● 2026-04-03 13:18:58
● 2026-04-13 02:37:28

○A2a06:98c1:3120::2026-03-09 → 2026-03-09 · 3 obs

● 2026-03-09 02:56:58
○ 2026-04-03 13:18:58
○ 2026-04-13 02:37:28

○A2a06:98c1:3121::2026-03-09 → 2026-03-09 · 3 obs

● 2026-03-09 02:56:58
○ 2026-04-03 13:18:58
○ 2026-04-13 02:37:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	b.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net, j.gtld-servers.net...	-
koosync.com	ruth.ns.cloudflare.com, mitch.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.208

NS records: ruth.ns.cloudflare.com, mitch.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for koosync.com (unsigned zone)

⏱️ Timing

Total: 491ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.188.183, 104.21.57.10`
AAAA	2	`2606:4700:3034::ac43:bcb7, 2606:4700:3032::6815:390a`
NS	2	`mitch.ns.cloudflare.com, ruth.ns.cloudflare.com`
MX	2	`mxbiz2.qq.com (pri: 10), mxbiz1.qq.com (pri: 5)`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`mitch.ns.cloudflare.com dns.cloudflare.c`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by koosync.com: 2606:4700:3032::6815:390a, 2606:4700:3034::ac43:bcb7, 104.21.57.10 and 172.67.188.183.

other host names including mangos-falmouth.co.uk, inetbet.co.nz, 94fmdourados.com.br, workizon.com and orbexa.click share IP numbers with koosync.com.

Name Servers

koosync.com is delegated to two name servers mitch.ns.cloudflare.com and ruth.ns.cloudflare.com.

koosync.com shares the same name server setup as other domains, for instance businessdailynews.com, clickte.com, minonline.com, canford.de and ensr.com.

koosync.com at least partially shares name servers with other domains, for instance anaheimcarpetcleaning.com, virgilortiz.com, sman1juntinyuat.sch.id, peta2.at and aviasales.ru.com.

Host names with six IP numbers:

Host name mitch.ns.cloudflare.com points to: 2606:4700:58::adf5:3bd0, 2803:f800:50::6ca2:c1d0, 2a06:98c1:50::ac40:21d0, 108.162.193.208, 172.64.33.208 and 173.245.59.208.

Host name ruth.ns.cloudflare.com points to: 2606:4700:50::adf5:3a8f, 2803:f800:50::6ca2:c08f, 2a06:98c1:50::ac40:208f, 108.162.192.143, 172.64.32.143 and 173.245.58.143.

Mail Servers

Two mail servers handle koosync.com: mxbiz1.qq.com and mxbiz2.qq.com.

koosync.com shares the same mail server setup as other domains, for instance jykqyy.com, tuolaji.com, unidups.com, bjlxwl.com and blzdentalcloud.com.

koosync.com shares some mail servers with other domains, at least partially, for instance wzone.cn, kk24.cn, ishopex.cn, farmtruth.cn and szmangix.com.

koosync.com - robtex.com

koosync.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`koosync.com`

`com`