`1stclassbears.com`

DNSSEC	⚠️ Not signed
A	216.239.32.21^{🇺🇸 Google216.239.32.0/24}
		PTR	`any-in-2015.1e100.net`
A	216.239.34.21^{🇺🇸 Google216.239.34.0/24}
A	216.239.36.21^{🇺🇸 Google216.239.36.0/24}
A	216.239.38.21^{🇺🇸 Google216.239.38.0/24}
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 2010-06-02 #3

`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=1775154172

Same first word

1stclassbears.com

DNS History

7 records (7 active, 0 former)

●NSdns1.cscdns.net2015-07-25 → 2026-04-02 · 2 obs

● 2015-07-25 18:03:30
● 2026-04-02 18:25:24

●NSdns2.cscdns.net2015-07-25 → 2026-04-02 · 2 obs

● 2015-07-25 18:03:30
● 2026-04-02 18:25:24

●MXcustmx.cscdns.net2015-07-25 → 2026-04-02 · 2 obs

● 2015-07-25 18:03:30
● 2026-04-02 18:25:24

●A216.239.32.212015-07-25 → 2026-04-02 · 2 obs

● 2015-07-25 18:03:30
● 2026-04-02 18:25:24

●A216.239.34.212015-07-25 → 2026-04-02 · 2 obs

● 2015-07-25 18:03:30
● 2026-04-02 18:25:24

●A216.239.36.212015-07-25 → 2026-04-02 · 2 obs

● 2015-07-25 18:03:30
● 2026-04-02 18:25:24

●A216.239.38.212015-07-25 → 2026-04-02 · 2 obs

● 2015-07-25 18:03:30
● 2026-04-02 18:25:24

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	d.gtld-servers.net, c.gtld-servers.net, a.gtld-servers.net, g.gtld-servers.net...	-
1stclassbears.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 1stclassbears.com (unsigned zone)

⏱️ Timing

Total: 444ms | Queries: -

📄 Records

Type	Count	Sample Data
A	4	`216.239.34.21, 216.239.32.21...`
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

1stclassbears.com points to four IP numbers: 216.239.32.21, 216.239.34.21, 216.239.36.21 and 216.239.38.21.

Other host names, for instance dfousa.com, s2r.com.au, bandiit.eu, topik.id and centumstudy.com share IP numbers with 1stclassbears.com.

Name Servers

1stclassbears.com's delegation is to two name servers dns1.cscdns.net and dns2.cscdns.net.

1stclassbears.com shares the same name server configuration as other domains, such as gripen.dk, peri.cz, bigdataldn.com, fourpointsweekends.com and xn--cckdbaq0c7c4cxd8sxf.jp.

1stclassbears.com shares name servers with other domains at least partially, for example (0x6469636b)ssportinggoodsinc.name.

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

1stclassbears.com is served by a single mail server, custmx.cscdns.net.

1stclassbears.com uses the same mail server setup as other domains such as buypower.biz, sustainable-antibiotics.net, disneytimesweepstakes.com, newsanalysiscentral.com and sodexoservicos.com.

custmx.cscdns.net points to IP number 198.58.121.58.

1stclassbears.com - robtex.com