`zwo-cold.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:240d^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3031::ac43:b70e^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.36.13^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.183.14^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`fred.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3b71^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c171^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`fred.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2171^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`fred.ns.cloudflare.com`
		A	108.162.193.113^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	172.64.33.113^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
		A	173.245.59.113^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`fred.ns.cloudflare.com`
NS	`sharon.ns.cloudflare.com`
		A	2606:4700:50::adf5:3add^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sharon.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c0dd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sharon.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:20dd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sharon.ns.cloudflare.com`
		A	108.162.192.221^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sharon.ns.cloudflare.com`
		A	172.64.32.221^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sharon.ns.cloudflare.com`
		A	173.245.58.221^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sharon.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.36.13, 172.67.183.14
		IPv6 hints	2606:4700:3030::6815:240d, 2606:4700:3031::ac43:b70e
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=28, name=cloudflare-ech.com
SOA	`fred.ns.cloudflare.com`dns@cloudflare.com serial=2409506396

`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=1785216887

⚠️ On DNS blocklist: tif

Subdomains

www.zwo-cold.com

Same first word

zwo-cold.com

DNS History

12 records (6 active, 6 former)

●NSfred.ns.cloudflare.com2026-03-29 → 2026-07-28 · 2 obs

● 2026-03-29 10:29:42
● 2026-07-28 05:42:12

●NSsharon.ns.cloudflare.com2026-03-29 → 2026-07-28 · 2 obs

● 2026-03-29 10:29:42
● 2026-07-28 05:42:12

●A104.21.36.132026-03-29 → 2026-07-28 · 7 obs

● 2026-03-29 10:29:42
● 2026-04-03 11:49:12
○ 2026-04-09 23:13:48
● 2026-05-16 22:43:56
● 2026-05-21 11:28:06
○ 2026-05-27 05:13:26
● 2026-07-28 05:42:12

●A172.67.183.142026-03-29 → 2026-07-28 · 7 obs

● 2026-03-29 10:29:42
● 2026-04-03 11:49:12
○ 2026-04-09 23:13:48
● 2026-05-16 22:43:56
● 2026-05-21 11:28:06
○ 2026-05-27 05:13:26
● 2026-07-28 05:42:12

○A188.114.96.02026-04-09 → 2026-05-27 · 6 obs

○ 2026-04-03 11:49:12
● 2026-04-09 23:13:48
○ 2026-05-16 22:43:56
○ 2026-05-21 11:28:06
● 2026-05-27 05:13:26
○ 2026-07-28 05:42:12

○A188.114.97.02026-04-09 → 2026-05-27 · 6 obs

○ 2026-04-03 11:49:12
● 2026-04-09 23:13:48
○ 2026-05-16 22:43:56
○ 2026-05-21 11:28:06
● 2026-05-27 05:13:26
○ 2026-07-28 05:42:12

●A2606:4700:3030::6815:240d2026-07-28 → 2026-07-28 · 2 obs

○ 2026-05-27 05:13:26
● 2026-07-28 05:42:12

●A2606:4700:3031::ac43:b70e2026-07-28 → 2026-07-28 · 2 obs

○ 2026-05-27 05:13:26
● 2026-07-28 05:42:12

○A2606:4700:3034::6815:240d2026-03-29 → 2026-05-21 · 7 obs

● 2026-03-29 10:29:42
● 2026-04-03 11:49:12
○ 2026-04-09 23:13:48
● 2026-05-16 22:43:56
● 2026-05-21 11:28:06
○ 2026-05-27 05:13:26
○ 2026-07-28 05:42:12

○A2606:4700:3035::ac43:b70e2026-03-29 → 2026-05-21 · 7 obs

● 2026-03-29 10:29:42
● 2026-04-03 11:49:12
○ 2026-04-09 23:13:48
● 2026-05-16 22:43:56
● 2026-05-21 11:28:06
○ 2026-05-27 05:13:26
○ 2026-07-28 05:42:12

○A2a06:98c1:3120::2026-04-09 → 2026-05-27 · 6 obs

○ 2026-04-03 11:49:12
● 2026-04-09 23:13:48
○ 2026-05-16 22:43:56
○ 2026-05-21 11:28:06
● 2026-05-27 05:13:26
○ 2026-07-28 05:42:12

○A2a06:98c1:3121::2026-04-09 → 2026-05-27 · 6 obs

○ 2026-04-03 11:49:12
● 2026-04-09 23:13:48
○ 2026-05-16 22:43:56
○ 2026-05-21 11:28:06
● 2026-05-27 05:13:26
○ 2026-07-28 05:42:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, l.gtld-servers.net, a.gtld-servers.net, f.gtld-servers.net...	-
zwo-cold.com	fred.ns.cloudflare.com, sharon.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.193.113

NS records: fred.ns.cloudflare.com, sharon.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for zwo-cold.com (unsigned zone)

⏱️ Timing

Total: 554ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.183.14, 104.21.36.13`
AAAA	2	`2606:4700:3030::6815:240d, 2606:4700:3031::ac43:b70e`
NS	2	`fred.ns.cloudflare.com, sharon.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`fred.ns.cloudflare.com dns.cloudflare.co`

📌 Glue Records Collected

Total: 12

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

Analysis

Hierarchy

zwo-cold.com is a parent domain of www.zwo-cold.com.

IP Addresses

zwo-cold.com resolves to four IP addresses: 104.21.36.13, 172.67.183.14, 2606:4700:3030::6815:240d and 2606:4700:3031::ac43:b70e.

Among the host names that share IP numbers with zwo-cold.com are jz777cs.cc, liyanka-grand.com, 797pg(0x736578)tou.com and two others.

Name Servers

zwo-cold.com is served by two delegated name servers, fred.ns.cloudflare.com and sharon.ns.cloudflare.com.

zwo-cold.com has the same name server delegation as a number of other domains, such as muskelando.com, nicholasdean.com, mrforbes.com and two more.

zwo-cold.com shares at least some of its name servers with other domains, including proffdiplomik.com, reliablepartsusa.com, gryrandki.pl and two others.

These name servers are frequently paired with the name servers skip.ns.cloudflare.com, fatima.ns.cloudflare.com and raina.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

fred.ns.cloudflare.com carries IP addresses 108.162.193.113, 172.64.33.113 and 173.245.59.113, with 3 other addresses beyond those.

sharon.ns.cloudflare.com carries IP addresses 108.162.192.221, 172.64.32.221 and 173.245.58.221, with 3 other addresses beyond those.

zwo-cold.com - robtex.com

zwo-cold.com

com

Subdomains

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Hierarchy

IP Addresses

Name Servers

`zwo-cold.com`

`com`