`666f.co.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:93d3^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:4fc9^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.79.201^{Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.147.211^{🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`bailey.ns.cloudflare.com` ⭐
		A	2606:4700:50::a29f:2629^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c229^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bailey.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2229^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bailey.ns.cloudflare.com`
		A	108.162.194.41^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	162.159.38.41^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
		A	172.64.34.41^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bailey.ns.cloudflare.com`
NS	`bob.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b68^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c168^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`bob.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2168^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`bob.ns.cloudflare.com`
		A	108.162.193.104^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	172.64.33.104^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
		A	173.245.59.104^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`bob.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.79.201, 172.67.147.211
		IPv6 hints	2606:4700:3030::ac43:93d3, 2606:4700:3035::6815:4fc9
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=86, name=cloudflare-ech.com
SOA	`bailey.ns.cloudflare.com`dns@cloudflare.com serial=2408032309

`co.com`

	DNSSEC	⚠️ Not signed
	A	169.60.151.232^{🇺🇸 SOFTLAYER169.60.128.0/18 -dal13}
	NS	`ns0.nic.co.com` ⭐
	NS	`ns1.nic.co.com`
	NS	`ns2.nic.co.com`
	NS	`ns3.nic.co.com`
	NS	`ns4.nic.co.com`
	MX	`mx.spamexperts.com` ⭐
	MX	`fallbackmx.spamexperts.eu`⁽²⁰⁾
	MX	`lastmx.spamexperts.net`⁽³⁰⁾
	TXT	`google-site-verification=7OcubotXUUSYYCSil8JjPJ_2uxorUHKIpmbUGsV_caA`
	TXT	`v=spf1 mx ip4:169.60.151.232 ip4:184.172.61.109 ip4:169.60.163.139 ip4:169.60...`
	SOA	`ns0.nic.co.com`hostmaster@co.com serial=2014417635

rank #545 globally
rank #320 in the tld
📈 Tranco rank: #2,390

Same first word

666f.io

666f.to

666f.homes

666f.biz

666f.online

666f.co.com

666f.tv

666f.com

666f.net.co

Similar names

66f6.com

f666.cc

f666.cn

f666.net

f666.df.gov.br

f666.de

f666.app

6f66.com

DNS History

15 records (6 active, 9 former)

●NSbailey.ns.cloudflare.com2026-06-12 → 2026-07-05 · 2 obs

● 2026-06-12 19:23:38
● 2026-07-05 06:36:02

●NSbob.ns.cloudflare.com2026-06-12 → 2026-07-05 · 2 obs

● 2026-06-12 19:23:38
● 2026-07-05 06:36:02

●A104.21.79.2012026-06-12 → 2026-07-05 · 5 obs

● 2026-06-12 19:23:38
● 2026-06-13 01:38:48
○ 2026-06-14 11:52:34
● 2026-06-27 21:14:26
● 2026-07-05 06:36:02

●A172.67.147.2112026-06-12 → 2026-07-05 · 5 obs

● 2026-06-12 19:23:38
● 2026-06-13 01:38:48
○ 2026-06-14 11:52:34
● 2026-06-27 21:14:26
● 2026-07-05 06:36:02

○A188.114.96.02026-06-14 → 2026-06-27 · 7 obs

○ 2026-06-13 01:38:48
● 2026-06-14 11:52:34
● 2026-06-14 13:27:04
○ 2026-06-27 05:13:06
● 2026-06-27 06:13:24
○ 2026-06-27 21:14:26
○ 2026-07-05 06:36:02

○A188.114.96.42026-06-27 → 2026-06-27 · 4 obs

○ 2026-06-14 13:27:04
● 2026-06-27 05:13:06
○ 2026-06-27 06:13:24
○ 2026-07-05 06:36:02

○A188.114.97.02026-06-14 → 2026-06-27 · 7 obs

○ 2026-06-13 01:38:48
● 2026-06-14 11:52:34
● 2026-06-14 13:27:04
○ 2026-06-27 05:13:06
● 2026-06-27 06:13:24
○ 2026-06-27 21:14:26
○ 2026-07-05 06:36:02

○A188.114.97.42026-06-27 → 2026-06-27 · 4 obs

○ 2026-06-14 13:27:04
● 2026-06-27 05:13:06
○ 2026-06-27 06:13:24
○ 2026-07-05 06:36:02

●A2606:4700:3030::ac43:93d32026-06-12 → 2026-07-05 · 5 obs

● 2026-06-12 19:23:38
● 2026-06-13 01:38:48
○ 2026-06-14 11:52:34
● 2026-06-27 21:14:26
● 2026-07-05 06:36:02

○A2606:4700:3031::6815:4fc92026-06-12 → 2026-06-13 · 4 obs

● 2026-06-12 19:23:38
● 2026-06-13 01:38:48
○ 2026-06-14 11:52:34
○ 2026-07-05 06:36:02

●A2606:4700:3035::6815:4fc92026-06-27 → 2026-07-05 · 3 obs

○ 2026-06-27 06:13:24
● 2026-06-27 21:14:26
● 2026-07-05 06:36:02

○A2a06:98c1:3120::2026-06-14 → 2026-06-27 · 7 obs

○ 2026-06-13 01:38:48
● 2026-06-14 11:52:34
● 2026-06-14 13:27:04
○ 2026-06-27 05:13:06
● 2026-06-27 06:13:24
○ 2026-06-27 21:14:26
○ 2026-07-05 06:36:02

○A2a06:98c1:3120::42026-06-27 → 2026-06-27 · 4 obs

○ 2026-06-14 13:27:04
● 2026-06-27 05:13:06
○ 2026-06-27 06:13:24
○ 2026-07-05 06:36:02

○A2a06:98c1:3121::2026-06-14 → 2026-06-27 · 7 obs

○ 2026-06-13 01:38:48
● 2026-06-14 11:52:34
● 2026-06-14 13:27:04
○ 2026-06-27 05:13:06
● 2026-06-27 06:13:24
○ 2026-06-27 21:14:26
○ 2026-07-05 06:36:02

○A2a06:98c1:3121::42026-06-27 → 2026-06-27 · 4 obs

○ 2026-06-14 13:27:04
● 2026-06-27 05:13:06
○ 2026-06-27 06:13:24
○ 2026-07-05 06:36:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
co.com	ns1.nic.co.com, ns2.nic.co.com, ns3.nic.co.com, ns4.nic.co.com	8 records
666f.co.com	bob.ns.cloudflare.com, bailey.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.41

NS records: bob.ns.cloudflare.com, bailey.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 666f.co.com (unsigned zone)

⏱️ Timing

Total: 455ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.79.201, 172.67.147.211`
AAAA	2	`2606:4700:3030::ac43:93d3, 2606:4700:3035::6815:4fc9`
NS	2	`bailey.ns.cloudflare.com, bob.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`bailey.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (ns1.nic.co.com, ns1.nic.co.com, ns2.nic.co.com...)

Analysis

IP Addresses

666f.co.com has four IP addresses: 104.21.79.201, 172.67.147.211, 2606:4700:3030::ac43:93d3 and 2606:4700:3035::6815:4fc9.

Among the host names that share IP numbers with 666f.co.com are usercrowd.ru, www.ruishivsjianadazhibonalikan.cn, deliveryonlineexprexzze.icu and two others.

Name Servers

666f.co.com uses two name servers for its delegation: bailey.ns.cloudflare.com and bob.ns.cloudflare.com.

666f.co.com has the same name server delegation as a number of other domains, such as 666f.net.co, winoriocasino-nl.net, tc4y.ch and two more.

666f.co.com has at least partial name server overlap with other domains, such as 1stshirts.net, tuo2000.com, wntst.com and two others.

These name servers tend to appear together with the name servers nola.ns.cloudflare.com, vin.ns.cloudflare.com and junade.ns.cloudflare.com.

Host names resolving to 6 IP numbers:

Hostname bailey.ns.cloudflare.com directs to 108.162.194.41, 162.159.38.41 and 172.64.34.41 along with 3 other IP addresses.

Hostname bob.ns.cloudflare.com directs to 108.162.193.104, 172.64.33.104 and 173.245.59.104 along with 3 other IP addresses.

666f.co.com - robtex.com

666f.co.com

co.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

`666f.co.com`

`co.com`