`careerdevelopmentopportunity.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::6815:5910^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3033::ac43:bb9c^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.89.16^{Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.187.156^{🇺🇸 Cloudflare172.67.176.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`howard.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2cab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`howard.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c3ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`howard.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:23ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`howard.ns.cloudflare.com`
		A	108.162.195.171^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`howard.ns.cloudflare.com`
		A	162.159.44.171^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`howard.ns.cloudflare.com`
		A	172.64.35.171^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`howard.ns.cloudflare.com`
NS	`sue.ns.cloudflare.com`
		A	2606:4700:50::adf5:3a91^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c091^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sue.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2091^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sue.ns.cloudflare.com`
		A	108.162.192.145^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	172.64.32.145^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
		A	173.245.58.145^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sue.ns.cloudflare.com`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.89.16, 172.67.187.156
		IPv6 hints	2606:4700:3033::6815:5910, 2606:4700:3033::ac43:bb9c
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=220, name=cloudflare-ech.com
SOA	`howard.ns.cloudflare.com`dns@cloudflare.com serial=2403408666

`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=1778695851

⚠️ On DNS blocklist: tif

Same first word

careerdevelopmentopportunity.com

DNS History

17 records (6 active, 11 former)

○NSdns1.registrar-servers.com2026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-22 10:43:50
● 2026-03-27 02:30:52
○ 2026-04-20 14:13:06
○ 2026-05-13 18:11:48

○NSdns2.registrar-servers.com2026-03-27 → 2026-03-27 · 4 obs

○ 2026-03-22 10:43:50
● 2026-03-27 02:30:52
○ 2026-04-20 14:13:06
○ 2026-05-13 18:11:48

●NShoward.ns.cloudflare.com2026-03-19 → 2026-05-13 · 5 obs

● 2026-03-19 01:30:52
● 2026-03-22 10:43:50
○ 2026-03-27 02:30:52
● 2026-04-20 14:13:06
● 2026-05-13 18:11:48

●NSsue.ns.cloudflare.com2026-03-19 → 2026-05-13 · 5 obs

● 2026-03-19 01:30:52
● 2026-03-22 10:43:50
○ 2026-03-27 02:30:52
● 2026-04-20 14:13:06
● 2026-05-13 18:11:48

○MXeforward1.registrar-servers.com2026-03-27 → 2026-03-27 · 3 obs

● 2026-03-27 02:30:52
○ 2026-04-20 14:13:06
○ 2026-05-13 18:11:48

○MXeforward2.registrar-servers.com2026-03-27 → 2026-03-27 · 3 obs

● 2026-03-27 02:30:52
○ 2026-04-20 14:13:06
○ 2026-05-13 18:11:48

○MXeforward3.registrar-servers.com2026-03-27 → 2026-03-27 · 3 obs

● 2026-03-27 02:30:52
○ 2026-04-20 14:13:06
○ 2026-05-13 18:11:48

○MXeforward4.registrar-servers.com2026-03-27 → 2026-03-27 · 3 obs

● 2026-03-27 02:30:52
○ 2026-04-20 14:13:06
○ 2026-05-13 18:11:48

○MXeforward5.registrar-servers.com2026-03-27 → 2026-03-27 · 3 obs

● 2026-03-27 02:30:52
○ 2026-04-20 14:13:06
○ 2026-05-13 18:11:48

●A104.21.89.162026-03-19 → 2026-05-13 · 8 obs

● 2026-03-19 01:30:52
● 2026-03-22 10:43:50
○ 2026-03-27 02:30:52
● 2026-04-20 14:13:06
● 2026-04-21 14:42:52
○ 2026-04-23 19:53:02
● 2026-05-13 18:11:46
● 2026-05-13 18:11:48

●A172.67.187.1562026-03-19 → 2026-05-13 · 8 obs

● 2026-03-19 01:30:52
● 2026-03-22 10:43:50
○ 2026-03-27 02:30:52
● 2026-04-20 14:13:06
● 2026-04-21 14:42:52
○ 2026-04-23 19:53:02
● 2026-05-13 18:11:46
● 2026-05-13 18:11:48

○A188.114.96.02026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-21 14:42:52
● 2026-04-23 19:53:02
○ 2026-05-13 18:11:46
○ 2026-05-13 18:11:48

○A188.114.97.02026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-21 14:42:52
● 2026-04-23 19:53:02
○ 2026-05-13 18:11:46
○ 2026-05-13 18:11:48

●A2606:4700:3033::6815:59102026-03-19 → 2026-05-13 · 8 obs

● 2026-03-19 01:30:52
● 2026-03-22 10:43:50
○ 2026-03-27 02:30:52
● 2026-04-20 14:13:06
● 2026-04-21 14:42:52
○ 2026-04-23 19:53:02
● 2026-05-13 18:11:46
● 2026-05-13 18:11:48

●A2606:4700:3033::ac43:bb9c2026-03-19 → 2026-05-13 · 8 obs

● 2026-03-19 01:30:52
● 2026-03-22 10:43:50
○ 2026-03-27 02:30:52
● 2026-04-20 14:13:06
● 2026-04-21 14:42:52
○ 2026-04-23 19:53:02
● 2026-05-13 18:11:46
● 2026-05-13 18:11:48

○A2a06:98c1:3120::2026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-21 14:42:52
● 2026-04-23 19:53:02
○ 2026-05-13 18:11:46
○ 2026-05-13 18:11:48

○A2a06:98c1:3121::2026-04-23 → 2026-04-23 · 4 obs

○ 2026-04-21 14:42:52
● 2026-04-23 19:53:02
○ 2026-05-13 18:11:46
○ 2026-05-13 18:11:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
careerdevelopmentopportunity.com	sue.ns.cloudflare.com, howard.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.195.171

NS records: sue.ns.cloudflare.com, howard.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for careerdevelopmentopportunity.com (unsigned zone)

⏱️ Timing

Total: 208ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.187.156, 104.21.89.16`
AAAA	2	`2606:4700:3033::6815:5910, 2606:4700:3033::ac43:bb9c`
NS	2	`howard.ns.cloudflare.com, sue.ns.cloudflare.com`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`howard.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

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

Analysis

IP Addresses

Four IP numbers are pointed to by careerdevelopmentopportunity.com: 2606:4700:3033::6815:5910, 2606:4700:3033::ac43:bb9c, 104.21.89.16 and 172.67.187.156.

other host names including www.spicysouthernkitchen.com, paturi-spitale.ro, shvnfy.top, kerala.shiksha and easycloud.net share IP numbers with careerdevelopmentopportunity.com.

Name Servers

careerdevelopmentopportunity.com is delegated to two name servers howard.ns.cloudflare.com and sue.ns.cloudflare.com.

careerdevelopmentopportunity.com shares the same name server setup as other domains, for instance conflictcoaching.com.au, newsmize.com, guruenglish.ru, russianage.ru and globalcoachinginstitute.org.

careerdevelopmentopportunity.com at least partially shares name servers with other domains, for instance llw89.com, anchor64systems.click, trivorax.pics, yuldeals.com and vectra16solutions.digital.

These name servers are commonly used alongside nile.ns.cloudflare.com and isla.ns.cloudflare.com.

Host names with six IP numbers:

Host name howard.ns.cloudflare.com points to: 2606:4700:58::a29f:2cab, 2803:f800:50::6ca2:c3ab, 2a06:98c1:50::ac40:23ab, 108.162.195.171, 162.159.44.171 and 172.64.35.171.

Host name sue.ns.cloudflare.com points to: 2606:4700:50::adf5:3a91, 2803:f800:50::6ca2:c091, 2a06:98c1:50::ac40:2091, 108.162.192.145, 172.64.32.145 and 173.245.58.145.

careerdevelopmentopportunity.com - robtex.com