opencfb.com - dns.ninja

`opencfb.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3031::ac43:a16f^{🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3034::6815:52b4^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.82.180^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.161.111^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`adi.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a38^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adi.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c038^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`adi.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2038^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`adi.ns.cloudflare.com`
		A	108.162.192.56^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adi.ns.cloudflare.com`
		A	172.64.32.56^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adi.ns.cloudflare.com`
		A	173.245.58.56^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`adi.ns.cloudflare.com`
NS	`dave.ns.cloudflare.com`
		A	2606:4700:58::adf5:3b6d^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c16d^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`dave.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:216d^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`dave.ns.cloudflare.com`
		A	108.162.193.109^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	172.64.33.109^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
		A	173.245.59.109^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`dave.ns.cloudflare.com`
MX	`route2.mx.cloudflare.net` ⭐
		A	2606:4700:f5::e^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::f^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	2606:4700:f5::10^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.17^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.18^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
		A	162.159.205.19^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route2.mx.cloudflare.net`
MX	`route3.mx.cloudflare.net`⁽⁸⁷⁾
		A	2606:4700:f5::11^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::12^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	2606:4700:f5::13^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.23^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.24^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
		A	162.159.205.25^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route3.mx.cloudflare.net`
MX	`route1.mx.cloudflare.net`⁽⁸⁹⁾
		A	2606:4700:f5::b^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::c^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	2606:4700:f5::d^{🇺🇸 Cloudflare2606:4700:f5::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.11^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.12^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
		A	162.159.205.13^{Cloudflare162.159.205.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`route1.mx.cloudflare.net`
TXT	`v=spf1 include:_spf.mx.cloudflare.net ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.82.180, 172.67.161.111
		IPv6 hints	2606:4700:3031::ac43:a16f, 2606:4700:3034::6815:52b4
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=81, name=cloudflare-ech.com
SOA	`adi.ns.cloudflare.com`dns@cloudflare.com serial=2408887197

`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=1785277312

Same first word

opencfb.com

DNS History

15 records (9 active, 6 former)

●NSadi.ns.cloudflare.com2026-03-16 → 2026-07-28 · 3 obs

○ 2017-11-13 12:25:28
● 2026-03-16 20:30:42
● 2026-07-28 22:50:38

●NSdave.ns.cloudflare.com2026-03-16 → 2026-07-28 · 3 obs

○ 2017-11-13 12:25:28
● 2026-03-16 20:30:42
● 2026-07-28 22:50:38

○NSns-cloud-d1.googledomains.com2017-11-13 → 2017-11-13 · 3 obs

● 2017-11-13 12:25:28
○ 2026-03-16 20:30:42
○ 2026-07-28 22:50:38

○NSns-cloud-d2.googledomains.com2017-11-13 → 2017-11-13 · 3 obs

● 2017-11-13 12:25:28
○ 2026-03-16 20:30:42
○ 2026-07-28 22:50:38

○NSns-cloud-d3.googledomains.com2017-11-13 → 2017-11-13 · 3 obs

● 2017-11-13 12:25:28
○ 2026-03-16 20:30:42
○ 2026-07-28 22:50:38

○NSns-cloud-d4.googledomains.com2017-11-13 → 2017-11-13 · 3 obs

● 2017-11-13 12:25:28
○ 2026-03-16 20:30:42
○ 2026-07-28 22:50:38

●MXroute1.mx.cloudflare.net2026-03-16 → 2026-07-28 · 2 obs

● 2026-03-16 20:30:42
● 2026-07-28 22:50:38

●MXroute2.mx.cloudflare.net2026-03-16 → 2026-07-28 · 2 obs

● 2026-03-16 20:30:42
● 2026-07-28 22:50:38

●MXroute3.mx.cloudflare.net2026-03-16 → 2026-07-28 · 2 obs

● 2026-03-16 20:30:42
● 2026-07-28 22:50:38

●A104.21.82.1802026-03-16 → 2026-07-28 · 2 obs

● 2026-03-16 20:30:42
● 2026-07-28 22:50:38

●A172.67.161.1112026-03-16 → 2026-07-28 · 2 obs

● 2026-03-16 20:30:42
● 2026-07-28 22:50:38

○A2606:4700:3030::ac43:a16f2026-03-16 → 2026-06-17 · 4 obs

● 2026-03-16 20:30:42
● 2026-06-17 21:44:56
○ 2026-07-03 19:11:44
○ 2026-07-28 22:50:38

○A2606:4700:3031::6815:52b42026-03-16 → 2026-06-17 · 4 obs

● 2026-03-16 20:30:42
● 2026-06-17 21:44:56
○ 2026-07-03 19:11:44
○ 2026-07-28 22:50:38

●A2606:4700:3031::ac43:a16f2026-07-03 → 2026-07-28 · 3 obs

○ 2026-06-17 21:44:56
● 2026-07-03 19:11:44
● 2026-07-28 22:50:38

●A2606:4700:3034::6815:52b42026-07-03 → 2026-07-28 · 3 obs

○ 2026-06-17 21:44:56
● 2026-07-03 19:11:44
● 2026-07-28 22:50:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
opencfb.com	dave.ns.cloudflare.com, adi.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.192.56

NS records: dave.ns.cloudflare.com, adi.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opencfb.com (unsigned zone)

⏱️ Timing

Total: 640ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.82.180, 172.67.161.111`
AAAA	2	`2606:4700:3034::6815:52b4, 2606:4700:3031::ac43:a16f`
NS	2	`adi.ns.cloudflare.com, dave.ns.cloudflare.com`
MX	3	`route2.mx.cloudflare.net (pri: 44), route3.mx.cloudflare.net (pri: 87)...`
TXT	1	`v=spf1 include:_spf.mx.cloudflare.net ~a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`adi.ns.cloudflare.com dns.cloudflare.com`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

opencfb.com has four IP addresses: 104.21.82.180, 172.67.161.111, 2606:4700:3031::ac43:a16f and 2606:4700:3034::6815:52b4.

zeralinovae.com, damcar.net, hmi-recruiting.de plus two other host names have IP numbers in common with opencfb.com.

Name Servers

opencfb.com is delegated to two name servers: adi.ns.cloudflare.com and dave.ns.cloudflare.com.

The name server configuration of opencfb.com is shared with other domains, for instance reuniteyou.com, howardchung.net, ispbrain.io and two others.

opencfb.com shares at least some of its name servers with other domains, including www.50347.com, zzqhsm.com, glitchspin.se and two others.

These name servers are frequently paired with the name servers mimi.ns.cloudflare.com, dana.ns.cloudflare.com and carl.ns.cloudflare.com.

Hosts with 6 IP addresses each:

adi.ns.cloudflare.com resolves to 108.162.192.56, 172.64.32.56, 173.245.58.56 and 3 other IP addresses.

dave.ns.cloudflare.com resolves to 108.162.193.109, 172.64.33.109, 173.245.59.109 and 3 other IP addresses.

Mail Servers

opencfb.com is handled by three mail servers: route1.mx.cloudflare.net, route2.mx.cloudflare.net and route3.mx.cloudflare.net.

At least some of the mail servers used by opencfb.com are shared with other domains: fingerlickingrecipes.com, minotsch.de, staredges.cn and two others among them.

Hosts with 6 IP addresses each:

route1.mx.cloudflare.net resolves to 162.159.205.11, 162.159.205.12, 162.159.205.13 and 3 other IP addresses.

route2.mx.cloudflare.net resolves to 162.159.205.17, 162.159.205.18, 162.159.205.19 and 3 other IP addresses.

route3.mx.cloudflare.net resolves to 162.159.205.23, 162.159.205.24, 162.159.205.25 and 3 other IP addresses.