stb.classoos.com - dns.ninja

`stb.classoos.com`

	CNAME	`prodwebviewer.azurewebsites.net`
	CNAME	`waws-prod-am2-035a.sip.azurewebsites.windows.net`
	CNAME	`waws-prod-am2-035.westeurope.cloudapp.azure.com`
	DNSSEC	⚠️ Not signed
	A	104.40.147.180^{🇳🇱 Microsoft104.40.0.0/13 MICROSOFT}

`classoos.com`

	DNSSEC	⚠️ Not signed
	A	52.213.149.216^{🇮🇪 Amazon52.208.0.0/13 EC2 DUB prefix}
	NS	`ns-644.awsdns-16.net` ⭐
	NS	`ns-1161.awsdns-17.org`
	NS	`ns-2011.awsdns-59.co.uk`
	NS	`ns-251.awsdns-31.com`
	MX	`aspmx.l.google.com` ⭐
	MX	`alt1.aspmx.l.google.com`⁽²⁰⁾
	MX	`alt2.aspmx.l.google.com`⁽³⁰⁾
	MX	`aspmx2.googlemail.com`⁽⁴⁰⁾
	MX	`aspmx3.googlemail.com`⁽⁵⁰⁾
	TXT	`MS=ms47439832`
	TXT	`Sendinblue-code:602eb130710a38e41ca6a719743d18c9`
	TXT	`google-site-verification=U4aI115fNvQbDas3jLelCK7hQZuNRyPDJlmlUv1HSKU`
	TXT	`google-site-verification=jLq0SbLjYymNzr64Wegmf7zQncFGDbgfT0jOxBT4ZHw`
	TXT	`v=spf1 mx include:_spf.google.com include:amazonses.com include:servers.mcsv....`
	SOA	`ns-644.awsdns-16.net`awsdns-hostmaster@amazon.com serial=1

📈 Tranco rank: #426,849

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DNS History

1 record (1 active, 0 former)

●CNAMEprodwebviewer.azurewebsites.net2026-04-13 → 2026-06-20 · 2 obs

● 2026-04-13 03:31:46
● 2026-06-20 10:54:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, b.gtld-servers.net...	-
classoos.com	ns-251.awsdns-31.com, ns-644.awsdns-16.net, ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk	2 records
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-
classoos.com	ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net	-

✅ Authoritative Response

Server:205.251.192.251

NS records: ns-1161.awsdns-17.org, ns-2011.awsdns-59.co.uk, ns-251.awsdns-31.com, ns-644.awsdns-16.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classoos.com (unsigned zone)

⏱️ Timing

Total: 483ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`prodwebviewer.azurewebsites.net`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns-251.awsdns-31.com, ns-251.awsdns-31.com)

Analysis

IP Addresses

stb.classoos.com resolves to just one IP address, 104.40.147.180.

Two other host names, along with ottokasino.net, concretestyling.be and nottsapc.nhs.uk, also share IP numbers with stb.classoos.com.