🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`probuilderstack.org`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::6815:1eb8^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3030::ac43:ad84^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.30.184^{Cloudflare104.21.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.173.132^{🇺🇸 Cloudflare172.67.160.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`karl.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bbe^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karl.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1be^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`karl.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21be^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`karl.ns.cloudflare.com`
		A	108.162.193.190^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karl.ns.cloudflare.com`
		A	172.64.33.190^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karl.ns.cloudflare.com`
		A	173.245.59.190^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`karl.ns.cloudflare.com`
NS	`mckenzie.ns.cloudflare.com`
		A	2606:4700:50::a29f:26fd^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mckenzie.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2fd^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`mckenzie.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22fd^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`mckenzie.ns.cloudflare.com`
		A	108.162.194.253^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mckenzie.ns.cloudflare.com`
		A	162.159.38.253^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mckenzie.ns.cloudflare.com`
		A	172.64.34.253^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`mckenzie.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c0b::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f26.1e100.net`
		A	2607:f8b0:4004:c0b::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bj-in-f27.1e100.net`
		A	2607:f8b0:4004:c17::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bl-in-f27.1e100.net`
		A	2607:f8b0:4004:c19::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bk-in-f27.1e100.net`
		A	172.253.62.26^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f26.1e100.net`
		A	172.253.62.27^{🇺🇸 Google172.253.62.0/24}
			PTR	`bc-in-f27.1e100.net`
		A	173.194.45.26^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f26.1e100.net`
		A	173.194.45.27^{🇺🇸 Google173.194.0.0/16}
			PTR	`yuiadum-in-f27.1e100.net`
		A	192.178.155.27^{🇺🇸 Google192.178.155.0/24}
			PTR	`yuiadrs-in-f27.1e100.net`
TXT	`google-site-verification=f-mqSUXUsPjNSN-MLOgJ7mDZxJf5UsyZoIQ3Ch7ydVQ`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.30.184, 172.67.173.132
		IPv6 hints	2606:4700:3030::6815:1eb8, 2606:4700:3030::ac43:ad84
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=78, name=cloudflare-ech.com
SOA	`karl.ns.cloudflare.com`dns@cloudflare.com serial=2415515497

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1790444408

Same first word

probuilderstack.site

probuilderstack.tech

probuilderstack.info

probuilderstack.com

probuilderstack.ca

probuilderstack.live

probuilderstack.org

probuilderstack.store

probuilderstack.online

Similar names

riskcubedportal.com

Previous names

Next names

DNS History

11 records (7 active, 4 former)

●NSkarl.ns.cloudflare.com2026-09-06 → 2026-09-26 · 2 obs

● 2026-09-06 12:39:54
● 2026-09-26 18:05:02

●NSmckenzie.ns.cloudflare.com2026-09-06 → 2026-09-26 · 2 obs

● 2026-09-06 12:39:54
● 2026-09-26 18:05:02

●MXsmtp.google.com2026-09-06 → 2026-09-26 · 2 obs

● 2026-09-06 12:39:54
● 2026-09-26 18:05:02

●A104.21.30.1842026-09-26 → 2026-09-26 · 3 obs

○ 2026-09-06 12:39:54
● 2026-09-26 18:05:00
● 2026-09-26 18:05:02

●A172.67.173.1322026-09-26 → 2026-09-26 · 3 obs

○ 2026-09-06 12:39:54
● 2026-09-26 18:05:00
● 2026-09-26 18:05:02

○A188.114.96.02026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 12:39:54
○ 2026-09-26 18:05:00
○ 2026-09-26 18:05:02

○A188.114.97.02026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 12:39:54
○ 2026-09-26 18:05:00
○ 2026-09-26 18:05:02

●A2606:4700:3030::6815:1eb82026-09-26 → 2026-09-26 · 3 obs

○ 2026-09-06 12:39:54
● 2026-09-26 18:05:00
● 2026-09-26 18:05:02

●A2606:4700:3030::ac43:ad842026-09-26 → 2026-09-26 · 3 obs

○ 2026-09-06 12:39:54
● 2026-09-26 18:05:00
● 2026-09-26 18:05:02

○A2a06:98c1:3120::2026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 12:39:54
○ 2026-09-26 18:05:00
○ 2026-09-26 18:05:02

○A2a06:98c1:3121::2026-09-06 → 2026-09-06 · 3 obs

● 2026-09-06 12:39:54
○ 2026-09-26 18:05:00
○ 2026-09-26 18:05:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	d0.org.afilias-nst.org, b2.org.afilias-nst.org, b0.org.afilias-nst.org	-
probuilderstack.org	karl.ns.cloudflare.com, mckenzie.ns.cloudflare.com	-

✅ Authoritative Response

Server:108.162.194.253

NS records: karl.ns.cloudflare.com, mckenzie.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for probuilderstack.org (unsigned zone)

⏱️ Timing

Total: 632ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.30.184, 172.67.173.132`
AAAA	2	`2606:4700:3030::6815:1eb8, 2606:4700:3030::ac43:ad84`
NS	2	`karl.ns.cloudflare.com, mckenzie.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=f-mqSUXUsPjNSN-, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`karl.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

probuilderstack.org points to the four IP addresses 104.21.30.184, 172.67.173.132, 2606:4700:3030::6815:1eb8 and 2606:4700:3030::ac43:ad84.

Additional host names — garuda188rek.com, filbet33.com, wwvvzs.mom and two others — share IP numbers with probuilderstack.org.

Name Servers

probuilderstack.org is served by two delegated name servers, karl.ns.cloudflare.com and mckenzie.ns.cloudflare.com.

probuilderstack.org shares its name server setup with other domains, including finhelpers.ru, maxso.ai, conscious.taipei and two others.

At least some of probuilderstack.org's name servers are shared with other domains, for example xn--fjqv0l22ch61d.tv, oasis-open-projects.org, nikeairmoreuptempo.us and two more.

These name servers tend to be deployed in combination with the name servers tori.ns.cloudflare.com and kami.ns.cloudflare.com.

Host names with 6 IP numbers:

karl.ns.cloudflare.com carries IP addresses 108.162.193.190, 172.64.33.190 and 173.245.59.190, with 3 other addresses beyond those.

mckenzie.ns.cloudflare.com carries IP addresses 108.162.194.253, 162.159.38.253 and 172.64.34.253, with 3 other addresses beyond those.

Mail Servers

probuilderstack.org has one mail server: smtp.google.com.

probuilderstack.org shares the same mail server setup as other domains, including sparklinghome.org, starzenth.com, runcoworker.co and two others.

probuilderstack.org overlaps on mail servers with certain other domains, clymbco.com among them.

smtp.google.com points to 9 IP numbers: 172.253.62.26, 172.253.62.27, 173.194.45.26 and 6 other.

probuilderstack.org - robtex.com