🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`probuilderstack.site`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:83ce^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:451^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.4.81^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.131.206^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`lucy.ns.cloudflare.com` ⭐
		A	2606:4700:50::adf5:3a85^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lucy.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c085^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`lucy.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2085^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`lucy.ns.cloudflare.com`
		A	108.162.192.133^{🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lucy.ns.cloudflare.com`
		A	172.64.32.133^{🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lucy.ns.cloudflare.com`
		A	173.245.58.133^{🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`lucy.ns.cloudflare.com`
NS	`milan.ns.cloudflare.com`
		A	2606:4700:58::a29f:2c15^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`milan.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c315^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`milan.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:2315^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`milan.ns.cloudflare.com`
		A	108.162.195.21^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`milan.ns.cloudflare.com`
		A	162.159.44.21^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`milan.ns.cloudflare.com`
		A	172.64.35.21^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`milan.ns.cloudflare.com`
MX	`smtp.google.com` ⭐
		A	2607:f8b0:4004:c07::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`bc-in-f26.1e100.net`
		A	2607:f8b0:4004:c1d::1b^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`ww-in-f27.1e100.net`
		A	2607:f8b0:4004:c23::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadrs-in-f26.1e100.net`
		A	2607:f8b0:4004:c29::1a^{🇺🇸 Google2607:f8b0:4004::/48}
			PTR	`yuiadum-in-f26.1e100.net`
		A	142.250.31.26^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f26.1e100.net`
		A	142.250.31.27^{🇺🇸 Google142.250.31.0/24}
			PTR	`bj-in-f27.1e100.net`
		A	142.251.16.26^{🇺🇸 Google142.251.16.0/24}
			PTR	`bl-in-f26.1e100.net`
		A	142.251.111.26^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f26.1e100.net`
		A	142.251.111.27^{🇺🇸 Google142.251.111.0/24}
			PTR	`bk-in-f27.1e100.net`
TXT	`google-site-verification=61dovhwMnWEuYt_HFYDU7NlYoYg7511rict9UU0NtNQ`
TXT	`v=spf1 include:_spf.google.com ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.4.81, 172.67.131.206
		IPv6 hints	2606:4700:3034::ac43:83ce, 2606:4700:3036::6815:451
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=254, name=cloudflare-ech.com
SOA	`lucy.ns.cloudflare.com`dns@cloudflare.com serial=2415480371

`site`

	DNSSEC	🔒 Signed (DS record present)
	NS	`ns01.trs-dns.com` ⭐
	NS	`ns.trs-dns.com`
	NS	`ns01.trs-dns.net`
	NS	`ns10.trs-dns.info`
	NS	`ns10.trs-dns.org`
	SOA	`ns.trs-dns.com`trs-ops@tucows.com serial=1790506444

⚠️ On DNS blocklist: spam-tlds

Same first word

probuilderstack.store

probuilderstack.online

probuilderstack.site

probuilderstack.tech

probuilderstack.info

probuilderstack.com

probuilderstack.ca

probuilderstack.live

probuilderstack.org

Similar names

riskcubedportal.com

Previous names

Next names

DNS History

11 records (7 active, 4 former)

●NSlucy.ns.cloudflare.com2026-09-12 → 2026-09-27 · 2 obs

● 2026-09-12 18:40:52
● 2026-09-27 11:34:34

●NSmilan.ns.cloudflare.com2026-09-12 → 2026-09-27 · 2 obs

● 2026-09-12 18:40:52
● 2026-09-27 11:34:34

●MXsmtp.google.com2026-09-12 → 2026-09-27 · 2 obs

● 2026-09-12 18:40:52
● 2026-09-27 11:34:34

●A104.21.4.812026-09-27 → 2026-09-27 · 3 obs

○ 2026-09-12 18:40:52
● 2026-09-27 11:34:30
● 2026-09-27 11:34:34

●A172.67.131.2062026-09-27 → 2026-09-27 · 3 obs

○ 2026-09-12 18:40:52
● 2026-09-27 11:34:30
● 2026-09-27 11:34:34

○A188.114.96.02026-09-12 → 2026-09-12 · 3 obs

● 2026-09-12 18:40:52
○ 2026-09-27 11:34:30
○ 2026-09-27 11:34:34

○A188.114.97.02026-09-12 → 2026-09-12 · 3 obs

● 2026-09-12 18:40:52
○ 2026-09-27 11:34:30
○ 2026-09-27 11:34:34

●A2606:4700:3034::ac43:83ce2026-09-27 → 2026-09-27 · 3 obs

○ 2026-09-12 18:40:52
● 2026-09-27 11:34:30
● 2026-09-27 11:34:34

●A2606:4700:3036::6815:4512026-09-27 → 2026-09-27 · 3 obs

○ 2026-09-12 18:40:52
● 2026-09-27 11:34:30
● 2026-09-27 11:34:34

○A2a06:98c1:3120::2026-09-12 → 2026-09-12 · 3 obs

● 2026-09-12 18:40:52
○ 2026-09-27 11:34:30
○ 2026-09-27 11:34:34

○A2a06:98c1:3121::2026-09-12 → 2026-09-12 · 3 obs

● 2026-09-12 18:40:52
○ 2026-09-27 11:34:30
○ 2026-09-27 11:34:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
site	ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info	-
probuilderstack.site	lucy.ns.cloudflare.com, milan.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.32.133

NS records: lucy.ns.cloudflare.com, milan.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for probuilderstack.site (unsigned zone)

⏱️ Timing

Total: 944ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.131.206, 104.21.4.81`
AAAA	2	`2606:4700:3036::6815:451, 2606:4700:3034::ac43:83ce`
NS	2	`lucy.ns.cloudflare.com, milan.ns.cloudflare.com`
MX	1	`smtp.google.com (pri: 1)`
TXT	2	`google-site-verification=61dovhwMnWEuYt_, v=spf1 include:_spf.google.com ~all`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`lucy.ns.cloudflare.com dns.cloudflare.co`

Analysis

IP Addresses

probuilderstack.site directs to four IP numbers, which are 104.21.4.81, 172.67.131.206, 2606:4700:3034::ac43:83ce and 2606:4700:3036::6815:451.

dlfthegrove.site, vitimasaxcel.com.br, skyxcloud.com and two other host names share IP numbers with probuilderstack.site.

Name Servers

probuilderstack.site is served by two delegated name servers, lucy.ns.cloudflare.com and milan.ns.cloudflare.com.

probuilderstack.site uses the same name servers as several other domains — among them taikundigitalhub.co, realestatewealth.courses, contablesinterfell.com and two more.

There is at least partial name server overlap between probuilderstack.site and other domains — farazfree.xyz, exorhbfytu.workers.dev, ah55ka.com and two more among them.

These name servers are routinely deployed together with the name servers apollo.ns.cloudflare.com.

Hostnames that resolve to 6 IP addresses:

lucy.ns.cloudflare.com carries IP addresses 108.162.192.133, 172.64.32.133 and 173.245.58.133, with 3 other addresses beyond those.

milan.ns.cloudflare.com carries IP addresses 108.162.195.21, 162.159.44.21 and 172.64.35.21, with 3 other addresses beyond those.

Mail Servers

Mail for probuilderstack.site is handled by a single mail server, smtp.google.com.

probuilderstack.site uses an identical mail server configuration to several other domains — among them monassurance-co.fr, vietnamaichallenge.com, first-com.net and two more.

probuilderstack.site has at least partial mail server overlap with other domains such as oeimandjyabend.co.uk, arkaniangroup.com, lansdalecj.com and two more.

These mail servers are routinely seen in conjunction with the mail servers alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

smtp.google.com resolves to 9 IP addresses — 142.250.31.26, 142.250.31.27, 142.251.16.26 and 6 others.

probuilderstack.site - robtex.com