koosync.com - dns.ninja

`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=149, name=cloudflare-ech.com
SOA	`mitch.ns.cloudflare.com`dns@cloudflare.com serial=2406265342

`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=1780782601

Same first word

koosync.com

Similar names

ksyocon.com

okycons.com

DNS History

12 records (8 active, 4 former)

●NSmitch.ns.cloudflare.com2026-03-09 → 2026-06-06 · 2 obs

● 2026-03-09 02:56:58
● 2026-06-06 22:08:16

●NSruth.ns.cloudflare.com2026-03-09 → 2026-06-06 · 2 obs

● 2026-03-09 02:56:58
● 2026-06-06 22:08:16

●MXmxbiz1.qq.com2026-03-09 → 2026-06-06 · 2 obs

● 2026-03-09 02:56:58
● 2026-06-06 22:08:16

●MXmxbiz2.qq.com2026-03-09 → 2026-06-06 · 2 obs

● 2026-03-09 02:56:58
● 2026-06-06 22:08:16

●A104.21.57.102026-04-03 → 2026-06-06 · 3 obs

○ 2026-03-09 02:56:58
● 2026-04-03 13:18:58
● 2026-06-06 22:08:16

●A172.67.188.1832026-04-03 → 2026-06-06 · 3 obs

○ 2026-03-09 02:56:58
● 2026-04-03 13:18:58
● 2026-06-06 22:08:16

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

● 2026-03-09 02:56:58
○ 2026-04-03 13:18:58
○ 2026-06-06 22:08:16

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

● 2026-03-09 02:56:58
○ 2026-04-03 13:18:58
○ 2026-06-06 22:08:16

●A2606:4700:3032::6815:390a2026-04-03 → 2026-06-06 · 3 obs

○ 2026-03-09 02:56:58
● 2026-04-03 13:18:58
● 2026-06-06 22:08:16

●A2606:4700:3034::ac43:bcb72026-04-03 → 2026-06-06 · 3 obs

○ 2026-03-09 02:56:58
● 2026-04-03 13:18:58
● 2026-06-06 22:08:16

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

● 2026-03-09 02:56:58
○ 2026-04-03 13:18:58
○ 2026-06-06 22:08:16

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

● 2026-03-09 02:56:58
○ 2026-04-03 13:18:58
○ 2026-06-06 22:08:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, a.gtld-servers.net, e.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: 135ms | 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

koosync.com has 4 IP addresses: 104.21.57.10, 172.67.188.183, 2606:4700:3032::6815:390a and 2606:4700:3034::ac43:bcb7.

mangos-falmouth.co.uk, www.bg-brewers.com, inetbet.co.nz and two other host names share IP numbers with koosync.com.

Name Servers

DNS delegation for koosync.com points to two name servers: mitch.ns.cloudflare.com and ruth.ns.cloudflare.com.

koosync.com uses the same name servers as several other domains — among them tapeboard.com, businessdailynews.com, clickte.com and two more.

koosync.com partially shares its NS delegation with several other domains, including virgilortiz.com, sman1juntinyuat.sch.id, proninyaroslav.ru and two others.

Hostnames that resolve to 6 IP addresses:

The hostname mitch.ns.cloudflare.com resolves to 108.162.193.208, 172.64.33.208, 173.245.59.208 and three additional IP addresses.

The hostname ruth.ns.cloudflare.com resolves to 108.162.192.143, 172.64.32.143, 173.245.58.143 and three additional IP addresses.

Mail Servers

Mail for koosync.com is handled by two mail servers — mxbiz1.qq.com and mxbiz2.qq.com.

koosync.com uses an identical mail server configuration to several other domains — among them jykqyy.com, tuolaji.com, unidups.com and two more.

koosync.com has at least partial mail server overlap with other domains such as wzone.cn, kk24.cn, ishopex.cn and two more.