🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`cloudmasterclass.com`

DNSSEC	⚠️ Not signed
NS	`ns-cloud-b1.googledomains.com` ⭐
		A	2001:4860:4802:32::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b1.googledomains.com`
		A	216.239.32.107^{🇺🇸 Google216.239.32.0/24}
			PTR	`ns-cloud-b1.googledomains.com`
NS	`ns-cloud-b2.googledomains.com`
		A	2001:4860:4802:34::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b2.googledomains.com`
		A	216.239.34.107^{🇺🇸 Google216.239.34.0/24}
			PTR	`ns-cloud-b2.googledomains.com`
NS	`ns-cloud-b3.googledomains.com`
		A	2001:4860:4802:36::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b3.googledomains.com`
		A	216.239.36.107^{🇺🇸 Google216.239.36.0/24}
			PTR	`ns-cloud-b3.googledomains.com`
NS	`ns-cloud-b4.googledomains.com`
		A	2001:4860:4802:38::6b^{🇺🇸 Google2001:4860::/32}
			PTR	`ns-cloud-b4.googledomains.com`
		A	216.239.38.107^{🇺🇸 Google216.239.38.0/24}
			PTR	`ns-cloud-b4.googledomains.com`
MX	`mxa.mailgun.org` ⭐
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
MX	`mxb.mailgun.org` ⭐
		A	34.36.182.139^{🇺🇸 Google34.32.0.0/11}
			PTR	`139.182.36.34.bc.googleusercontent.com`
TXT	`MS=ms41478871`
TXT	`v=spf1 include:mailgun.org ~all`
SOA	`ns-cloud-b1.googledomains.com`cloud-dns-hostmaster@google.com serial=9

`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=1794332961

Same first word

cloudmasterclass.com

Previous names

Next names

DNS History

11 records (6 active, 5 former)

●NSns-cloud-b1.googledomains.com2026-05-08 → 2026-11-10 · 3 obs

○ 2017-05-13 08:21:02
● 2026-05-08 13:09:40
● 2026-11-10 17:57:28

●NSns-cloud-b2.googledomains.com2026-05-08 → 2026-11-10 · 3 obs

○ 2017-05-13 08:21:02
● 2026-05-08 13:09:40
● 2026-11-10 17:57:28

●NSns-cloud-b3.googledomains.com2026-05-08 → 2026-11-10 · 3 obs

○ 2017-05-13 08:21:02
● 2026-05-08 13:09:40
● 2026-11-10 17:57:28

●NSns-cloud-b4.googledomains.com2026-05-08 → 2026-11-10 · 3 obs

○ 2017-05-13 08:21:02
● 2026-05-08 13:09:40
● 2026-11-10 17:57:28

○NSns1.localhosting.info2015-05-27 → 2017-05-13 · 4 obs

● 2015-05-27 18:51:08
● 2017-05-13 08:21:02
○ 2026-05-08 13:09:40
○ 2026-11-10 17:57:28

○NSns2.localhosting.info2015-05-27 → 2017-05-13 · 4 obs

● 2015-05-27 18:51:08
● 2017-05-13 08:21:02
○ 2026-05-08 13:09:40
○ 2026-11-10 17:57:28

○MXmail.cloudmasterclass.com2015-05-27 → 2017-05-13 · 4 obs

● 2015-05-27 18:51:08
● 2017-05-13 08:21:02
○ 2026-05-08 13:09:40
○ 2026-11-10 17:57:28

●MXmxa.mailgun.org2026-05-08 → 2026-11-10 · 3 obs

○ 2017-05-13 08:21:02
● 2026-05-08 13:09:40
● 2026-11-10 17:57:28

●MXmxb.mailgun.org2026-05-08 → 2026-11-10 · 3 obs

○ 2017-05-13 08:21:02
● 2026-05-08 13:09:40
● 2026-11-10 17:57:28

○A195.14.31.1132015-05-27 → 2015-05-27 · 3 obs

● 2015-05-27 18:51:08
○ 2015-10-14 10:20:06
○ 2026-11-10 17:57:28

○A195.14.31.2192015-10-14 → 2017-05-13 · 5 obs

○ 2015-05-27 18:51:08
● 2015-10-14 10:20:06
● 2017-05-13 08:21:02
○ 2026-05-08 13:09:40
○ 2026-11-10 17:57:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net...	-
cloudmasterclass.com	ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com	8 records

✅ Authoritative Response

Server:216.239.38.107

NS records: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com, ns-cloud-b4.googledomains.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 285ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	4	`ns-cloud-b4.googledomains.com, ns-cloud-b2.googledomains.com...`
MX	2	`mxa.mailgun.org (pri: 10), mxb.mailgun.org (pri: 10)`
TXT	2	`v=spf1 include:mailgun.org ~all, MS=ms41478871`
SOA	1	`ns-cloud-b1.googledomains.com cloud-dns-`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (ns-cloud-b1.googledomains.com, ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com...)

Analysis

Name Servers

cloudmasterclass.com has four authoritative name servers: ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com.

There is at least partial name server overlap between cloudmasterclass.com and other domains — koskihelsinki.com, donboscov.org, resumemax.ai and two more among them.

All four hostnames — ns-cloud-b1.googledomains.com, ns-cloud-b2.googledomains.com, ns-cloud-b3.googledomains.com and ns-cloud-b4.googledomains.com — resolve to two IP numbers apiece: ns-cloud-b1.googledomains.com to 216.239.32.107 and 2001:4860:4802:32::6b; ns-cloud-b2.googledomains.com to 216.239.34.107 and 2001:4860:4802:34::6b; ns-cloud-b3.googledomains.com to 216.239.36.107 and 2001:4860:4802:36::6b; ns-cloud-b4.googledomains.com to 216.239.38.107 and 2001:4860:4802:38::6b.

Mail Servers

cloudmasterclass.com has two mail servers: mxa.mailgun.org and mxb.mailgun.org.

cloudmasterclass.com shares the same mail server setup as other domains, including onebadbrother.com, sspropertyreno.net, jujinkim.com and two others.

cloudmasterclass.com shares mail servers — at least in part — with other domains, including thetwochefs.co.uk, boxbaer.com, christinemcardle.com and two others.

Each of mxa.mailgun.org and mxb.mailgun.org points to exactly one IP address: 34.36.182.139.

mxa.mailgun.org and mxb.mailgun.org each have 34.36.182.139 IP addresses.

cloudmasterclass.com - robtex.com