`masteringclass.com`

DNSSEC	⚠️ Not signed
A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
		PTR	`a904c694c05102f30.awsglobalaccelerator.com`
A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
NS	`ns2.afternic.com` ⭐
		A	2603:5:2226::45^{🇺🇸 GODADDY-DNS2603:5:2220::/44}
			PTR	`ns2.afternic.com`
		A	173.201.66.69^{🇺🇸 GODADDY-DNS173.201.66.0/23}
			PTR	`ns2.afternic.com`
NS	`ns1.afternic.com`
		A	2603:5:2126::45^{🇺🇸 GODADDY-DNS2603:5:2120::/44}
			PTR	`ns1.afternic.com`
		A	97.74.98.69^{🇺🇸 GODADDY-DNS97.74.98.0/23}
			PTR	`ns1.afternic.com`
NS	`verification-zaaaeieddh8thwexuh3jyi.ns101.verify.hn` ⚠️ Not in zone NS records
		A	13.248.169.48^{🇺🇸 Amazon13.248.160.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
		A	76.223.54.146^{🇺🇸 Amazon76.223.48.0/20}
			PTR	`a904c694c05102f30.awsglobalaccelerator.com`
TXT	`v=spf1 -all`
SOA	`ns2.afternic.com`dns@jomax.net serial=1

`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=1771291435

Same first word

masteringclass.com

Similar names

masterglassinc.com

masterclassing.com

masterclassing.com.au

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
masteringclass.com	ns1.afternic.com, ns2.afternic.com, verification-zaaaeieddh8thwexuh3jyi.ns101.verify.hn	4 records

✅ Authoritative Response

Server:97.74.98.69

NS records: ns1.afternic.com, ns2.afternic.com, verification-zaaaeieddh8thwexuh3jyi.ns101.verify.hn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for masteringclass.com (unsigned zone)

⏱️ Timing

Total: 3264ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`76.223.54.146, 13.248.169.48`
NS	2	`ns1.afternic.com, ns2.afternic.com`
MX	1	`. (pri: 0)`
TXT	1	`v=spf1 -all`
SOA	1	`ns1.afternic.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns1.afternic.com, ns1.afternic.com, ns2.afternic.com...)

Analysis

IP Addresses

masteringclass.com points to two IP numbers: 13.248.169.48 and 76.223.54.146.

Other host names such as tranceloop.com, nullmx.alliancemills.com, index.rss.abocol.com, hispaniccouncil.com and omglo.com share IP numbers with masteringclass.com.

Name Servers

masteringclass.com is delegated to three name servers: ns1.afternic.com, ns2.afternic.com and verification-zaaaeieddh8thwexuh3jyi.ns101.verify.hn.

At least part of the name servers for masteringclass.com are shared with other domains, for instance eiasia.com, studentvision.tv, segufin.com, (0x616e616c)(0x736578)games.com and tinysms.com.

These name servers are commonly used together with the name servers ns1.namebrightdns.com, ns2.namebrightdns.com, verification-urj2ap2akmgcchkhharttb.ns101.verify.hn, verification-gg7vpeozpqvekdkypuxhyb.ns101.verify.hn, ns1.dan.com and ns2.dan.com.

Host names with two IP numbers:

ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69

ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69

verification-zaaaeieddh8thwexuh3jyi.ns101.verify.hn points to 13.248.169.48 and 76.223.54.146

masteringclass.com - robtex.com

masteringclass.com

com