`worldclassus.com`

DNSSEC	⚠️ Not signed
A	165.160.13.20^{🇺🇸 CORPORATION-1165.160.13.0/24 251 Little Falls Drive Wilmington DE 19808 United States}
A	165.160.15.20^{🇺🇸 CORPORATION-1165.160.15.0/24 251 Little Falls Drive Wilmington DE 19808 United States}
NS	`dns1.cscdns.net` ⭐
		A	2610:a1:1022::100^{🇺🇸 MAINT-ID-120082610:a1:1022::/48 Neustar}
			PTR	`ns1.arcemus.com`
			PTR	`kandns06.digitalarchives.com`
			PTR	`ns1.euro909.com`
			PTR	`ns2.euro909.com`
			PTR	`indom10.indomco.com`
			PTR	`indom30.indomco.fr`
			PTR	`ns1.ascio.net`
			PTR	`ns3.ascio.net`
			PTR	`dns1.cscdns.net`
			PTR	`pdns1.cscdns.net`
			PTR	`sbdns3.cscdns.net`
			PTR	`spdns3.cscdns.net`
			PTR	`ns0.netnames.net`
			PTR	`ns1.netnames.net`
			PTR	`ns3.netnames.net`
			PTR	`ns5.netnames.net`
			PTR	`ns7.netnames.net`
			PTR	`indom130.indomco.org`
			PTR	`ns2.domainnetwork.se`
			PTR	`ns.domainnetwork.se`
		A	156.154.130.100^{🇺🇸 MAINT-ID-12008156.154.130.0/24 Neustar}
			PTR	`ns1.arcemus.com`
			PTR	`kandns06.digitalarchives.com`
			PTR	`ns1.euro909.com`
			PTR	`ns2.euro909.com`
			PTR	`indom10.indomco.com`
			PTR	`indom30.indomco.fr`
			PTR	`ns1.ascio.net`
			PTR	`ns3.ascio.net`
			PTR	`dns1.cscdns.net`
			PTR	`pdns1.cscdns.net`
			PTR	`sbdns3.cscdns.net`
			PTR	`spdns3.cscdns.net`
			PTR	`ns0.netnames.net`
			PTR	`ns1.netnames.net`
			PTR	`ns3.netnames.net`
			PTR	`ns5.netnames.net`
			PTR	`ns7.netnames.net`
			PTR	`indom130.indomco.org`
			PTR	`ns2.domainnetwork.se`
			PTR	`ns.domainnetwork.se`
NS	`dns2.cscdns.net`
		A	2610:a1:1023::100^{🇺🇸 MAINT-ID-120082610:a1:1023::/48 Neustar}
			PTR	`ns2.arcemus.com`
			PTR	`nusdns06.digitalarchives.com`
			PTR	`ns3.domainnetwork.com`
			PTR	`ns3.euro909.com`
			PTR	`indom80.indomco.hk`
			PTR	`ns2.ascio.net`
			PTR	`ns4.ascio.net`
			PTR	`dns2.cscdns.net`
			PTR	`pdns2.cscdns.net`
			PTR	`indom20.indomco.net`
			PTR	`ns2.netnames.net`
			PTR	`ns4.netnames.net`
			PTR	`ns6.netnames.net`
			PTR	`ns8.netnames.net`
		A	156.154.131.100^{🇺🇸 MAINT-ID-12008156.154.131.0/24 Neustar}
			PTR	`ns2.arcemus.com`
			PTR	`nusdns06.digitalarchives.com`
			PTR	`ns3.domainnetwork.com`
			PTR	`ns3.euro909.com`
			PTR	`indom80.indomco.hk`
			PTR	`ns2.ascio.net`
			PTR	`ns4.ascio.net`
			PTR	`dns2.cscdns.net`
			PTR	`pdns2.cscdns.net`
			PTR	`indom20.indomco.net`
			PTR	`ns2.netnames.net`
			PTR	`ns4.netnames.net`
			PTR	`ns6.netnames.net`
			PTR	`ns8.netnames.net`
MX	`custmx.cscdns.net` ⭐
		A	198.58.121.58^{🇺🇸 AKAMAI-LINODE-AP198.58.96.0/19 Akamai Technologies}
			PTR	`198-58-121-58.ip.linodeusercontent.com`
SOA	`dns1.cscdns.net`hostmaster@cscdns.net 2025-08-14 #4

`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=1774471447

Same first word

worldclassus.com

DNS History

6 records (5 active, 1 former)

●NSdns1.cscdns.net2026-03-15 → 2026-03-25 · 2 obs

● 2026-03-15 07:02:48
● 2026-03-25 21:14:20

●NSdns2.cscdns.net2026-03-15 → 2026-03-25 · 2 obs

● 2026-03-15 07:02:48
● 2026-03-25 21:14:20

●MXcustmx.cscdns.net2026-03-15 → 2026-03-25 · 2 obs

● 2026-03-15 07:02:48
● 2026-03-25 21:14:20

●A165.160.13.202026-03-15 → 2026-03-25 · 3 obs

○ 2017-06-14 19:10:00
● 2026-03-15 07:02:48
● 2026-03-25 21:14:20

●A165.160.15.202026-03-15 → 2026-03-25 · 3 obs

○ 2017-06-14 19:10:00
● 2026-03-15 07:02:48
● 2026-03-25 21:14:20

○A192.64.147.1422016-03-19 → 2017-06-14 · 4 obs

● 2016-03-19 20:51:46
● 2017-06-14 19:10:00
○ 2026-03-15 07:02:48
○ 2026-03-25 21:14:20

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, j.gtld-servers.net...	-
worldclassus.com	dns1.cscdns.net, dns2.cscdns.net	-

✅ Authoritative Response

Server:156.154.130.100

NS records: dns1.cscdns.net, dns2.cscdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for worldclassus.com (unsigned zone)

⏱️ Timing

Total: 579ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`165.160.13.20, 165.160.15.20`
NS	2	`dns1.cscdns.net, dns2.cscdns.net`
MX	1	`custmx.cscdns.net (pri: 10)`
SOA	1	`dns1.cscdns.net hostmaster.cscdns.net`

Analysis

IP Addresses

worldclassus.com points to two IP numbers: 165.160.13.20 and 165.160.15.20.

Other host names such as getyourolex.com, applynavyistcard.com, sainsburybankcarinsurance.org, net254-55-245-109.mbb.telenor.rs and com.nourex.com.au share IPs with worldclassus.com.

Name Servers

worldclassus.com is delegated to two name servers: dns1.cscdns.net and dns2.cscdns.net.

worldclassus.com shares the same name server setup as virdata.net, golfsmoth.com, traub-service.de, fe-select.com and mypitcher.com.au.

worldclassus.com shares name servers with other domains at least partially, for instance bankofamericacardmemberservices.com and santender.dk.

Host names with two IP numbers: dns1.cscdns.net points to: 2610:a1:1022::100 and 156.154.130.100; dns2.cscdns.net points to: 2610:a1:1023::100 and 156.154.131.100.

Mail Servers

worldclassus.com is handled by a single mail server, custmx.cscdns.net.

The mail server setup for worldclassus.com matches that of other domains, for instance goodsey-uat.net, soletanchefreyssinet.biz, papajohnspizza.com.pl, go-tma.co.uk and e-kfy.us.

custmx.cscdns.net points to a single IP: 198.58.121.58.

worldclassus.com - robtex.com