classbuilder.com - dns.ninja

`classbuilder.com`

DNSSEC	⚠️ Not signed
A	209.51.175.121^{🇺🇸 HURRICANE209.51.160.0/19 Hurricane Electric 55 South Market St San Jose, CA}
NS	`ns10.dnsmadeeasy.com` ⭐
		A	2600:1800:10::1^{🇺🇸 Tiggee2600:1800:10::/48 DNS Made Easy anycast network}
			PTR	`ns10.dnsmadeeasy.com`
		A	208.94.148.4^{🇺🇸 Tiggee208.94.148.0/24 DNS Made Easy anycast network}
			PTR	`ns10.dnsmadeeasy.com`
NS	`dns1.easydns.com` ⚠️ Not in zone NS records
		A	2620:49:3::10^{🇨🇦 EDNS2620:49:3::/48 EasyDNS Technologies DNS3.easydns.org IPv6}
			PTR	`dns1.easydns.com`
		A	64.68.196.10^{🇨🇦 EDNS64.68.196.0/24 EasyDNS Technologies DNS3.easydns.org}
			PTR	`dns1.easydns.com`
NS	`dns2.easydns.net` ⚠️ Not in zone NS records
		A	2620:49:2::10^{🇨🇦 EDNS2620:49:2::/48 DNS2 EasyDNS via Path.net used for anycast; nodes are globally distributed offices: 4243C Dundas Street West, Suite 405 Etobicoke ON M8X 1Y3 Canada}
			PTR	`dns2.easydns.net`
		A	64.68.193.10^{🇨🇦 EDNS64.68.193.0/24 EasyDNS DNS2.easydns.net}
			PTR	`dns2.easydns.net`
NS	`dns3.easydns.org` ⚠️ Not in zone NS records
		A	2620:49:1::10^{🇨🇦 EDNS2620:49:1::/48 DNS3 (previously DNS1) EasyDNS via Path.net used for anycast; nodes globally distributed offices: 4243C Dundas Street West, Suite 405 Etobicoke ON M8X 1Y3 Canada}
			PTR	`dns3.easydns.ca`
			PTR	`dns3.easydns.org`
		A	64.68.192.10^{🇨🇦 EDNS64.68.192.0/24 EasyDNS Technologies DNS1.easydns.com}
			PTR	`dns3.easydns.ca`
			PTR	`dns3.easydns.org`
NS	`ns11.dnsmadeeasy.com`
		A	2600:1801:11::1^{🇺🇸 Tiggee2600:1801:11::/48 DNS Made Easy anycast network}
			PTR	`ns11.dnsmadeeasy.com`
		A	208.80.124.4^{🇺🇸 Tiggee208.80.124.0/24 DNS Made Easy anycast network}
			PTR	`ns11.dnsmadeeasy.com`
NS	`ns12.dnsmadeeasy.com`
		A	2600:1802:12::1^{🇺🇸 Tiggee2600:1802:12::/48 DNS Made Easy anycast network}
			PTR	`ns12.dnsmadeeasy.com`
		A	208.80.126.4^{🇺🇸 Tiggee208.80.126.0/24 DNS Made Easy anycast network}
			PTR	`ns12.dnsmadeeasy.com`
NS	`ns13.dnsmadeeasy.com` ⚠️ Not in parent delegation
		A	2600:1801:13::1^{🇺🇸 Tiggee2600:1801:13::/48 DNS Made Easy anycast network}
			PTR	`ns13.dnsmadeeasy.com`
		A	208.80.125.4^{🇺🇸 Tiggee208.80.125.0/24 DNS Made Easy anycast network}
			PTR	`ns13.dnsmadeeasy.com`
NS	`ns14.dnsmadeeasy.com` ⚠️ Not in parent delegation
		A	2600:1802:14::1^{🇺🇸 Tiggee2600:1802:14::/48 DNS Made Easy anycast network}
			PTR	`ns14.dnsmadeeasy.com`
		A	208.80.127.4^{🇺🇸 Tiggee208.80.127.0/24 DNS Made Easy anycast network}
			PTR	`ns14.dnsmadeeasy.com`
NS	`ns15.dnsmadeeasy.com` ⚠️ Not in parent delegation
		A	2600:1800:15::1^{🇺🇸 Tiggee2600:1800:15::/48 DNS Made Easy anycast network}
			PTR	`ns15.dnsmadeeasy.com`
		A	208.94.149.4^{🇺🇸 Tiggee208.94.149.0/24 DNS Made Easy anycast network}
			PTR	`ns15.dnsmadeeasy.com`
SOA	`ns10.dnsmadeeasy.com`dns@dnsmadeeasy.com 2009-01-01 #6

`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=1785699792

WOT: SAFE (71/100)

Same first word

classbuilder.com

classbuilder.net

Similar names

calsbuilders.com

DNS History

16 records (10 active, 6 former)

●NSdns1.easydns.com2020-03-28 → 2026-08-02 · 3 obs

○ 2017-04-09 16:45:04
● 2020-03-28 21:38:50
● 2026-08-02 19:58:12

●NSdns2.easydns.net2020-03-28 → 2026-08-02 · 3 obs

○ 2017-04-09 16:45:04
● 2020-03-28 21:38:50
● 2026-08-02 19:58:12

●NSdns3.easydns.org2020-03-28 → 2026-08-02 · 3 obs

○ 2017-04-09 16:45:04
● 2020-03-28 21:38:50
● 2026-08-02 19:58:12

○NSns1.p13.dynect.net2015-08-22 → 2017-04-09 · 4 obs

● 2015-08-22 21:43:56
● 2017-04-09 16:45:04
○ 2020-03-28 21:38:50
○ 2026-08-02 19:58:12

●NSns10.dnsmadeeasy.com2026-03-04 → 2026-08-02 · 3 obs

○ 2020-03-28 21:38:50
● 2026-03-04 00:34:18
● 2026-08-02 19:58:12

●NSns11.dnsmadeeasy.com2026-03-04 → 2026-08-02 · 3 obs

○ 2020-03-28 21:38:50
● 2026-03-04 00:34:18
● 2026-08-02 19:58:12

●NSns12.dnsmadeeasy.com2026-03-04 → 2026-08-02 · 3 obs

○ 2020-03-28 21:38:50
● 2026-03-04 00:34:18
● 2026-08-02 19:58:12

●NSns13.dnsmadeeasy.com2026-03-04 → 2026-08-02 · 6 obs

○ 2020-03-28 21:38:50
● 2026-03-04 00:34:18
● 2026-03-13 10:41:22
○ 2026-06-11 10:14:50
● 2026-08-02 19:58:10
● 2026-08-02 19:58:12

●NSns14.dnsmadeeasy.com2026-03-04 → 2026-08-02 · 6 obs

○ 2020-03-28 21:38:50
● 2026-03-04 00:34:18
● 2026-03-13 10:41:22
○ 2026-06-11 10:14:50
● 2026-08-02 19:58:10
● 2026-08-02 19:58:12

●NSns15.dnsmadeeasy.com2026-03-04 → 2026-08-02 · 6 obs

○ 2020-03-28 21:38:50
● 2026-03-04 00:34:18
● 2026-03-13 10:41:22
○ 2026-06-11 10:14:50
● 2026-08-02 19:58:10
● 2026-08-02 19:58:12

○NSns2.p13.dynect.net2015-08-22 → 2017-04-09 · 4 obs

● 2015-08-22 21:43:56
● 2017-04-09 16:45:04
○ 2020-03-28 21:38:50
○ 2026-08-02 19:58:12

○NSns3.p13.dynect.net2015-08-22 → 2017-04-09 · 4 obs

● 2015-08-22 21:43:56
● 2017-04-09 16:45:04
○ 2020-03-28 21:38:50
○ 2026-08-02 19:58:12

○NSns4.p13.dynect.net2015-08-22 → 2017-04-09 · 4 obs

● 2015-08-22 21:43:56
● 2017-04-09 16:45:04
○ 2020-03-28 21:38:50
○ 2026-08-02 19:58:12

●A209.51.175.1212026-08-02 → 2026-08-02 · 3 obs

○ 2026-06-11 10:14:50
● 2026-08-02 19:58:10
● 2026-08-02 19:58:12

○A216.139.216.102015-08-22 → 2017-04-09 · 4 obs

● 2015-08-22 21:43:56
● 2017-04-09 16:45:04
○ 2020-03-28 21:38:50
○ 2026-08-02 19:58:12

○A38.127.205.1972020-03-28 → 2026-03-13 · 5 obs

○ 2017-04-09 16:45:04
● 2020-03-28 21:38:50
● 2026-03-13 10:41:22
○ 2026-06-11 10:14:50
○ 2026-08-02 19:58:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
classbuilder.com	dns3.easydns.org, dns1.easydns.com, dns2.easydns.net, ns10.dnsmadeeasy.com...	8 records

✅ Authoritative Response

Server:208.94.148.4

NS records: dns3.easydns.org, dns1.easydns.com, dns2.easydns.net, ns10.dnsmadeeasy.com, ns11.dnsmadeeasy.com, ns12.dnsmadeeasy.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for classbuilder.com (unsigned zone)

⏱️ Timing

Total: 612ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`209.51.175.121`
NS	6	`ns11.dnsmadeeasy.com, ns10.dnsmadeeasy.com...`
SOA	1	`ns10.dnsmadeeasy.com dns.dnsmadeeasy.com`

📌 Glue Records Collected

Total: 8

Out-of-bailiwick: 8 (dns1.easydns.com, dns1.easydns.com, ns10.dnsmadeeasy.com...)

Analysis

IP Addresses

classbuilder.com directs to one IP number, which is 209.51.175.121.

Name Servers

DNS for classbuilder.com is handled by 9 name servers: ns10.dnsmadeeasy.com, ns11.dnsmadeeasy.com, ns12.dnsmadeeasy.com and 6 others.

At least some of classbuilder.com's name servers are shared with other domains, for example zamel.ca, creb.ca, meadrisker.com and two more.

These name servers tend to co-occur with ns13.dnsmadeeasy.com, ns14.dnsmadeeasy.com, ns15.dnsmadeeasy.com and 7 other name servers in the same DNS delegations.

Hosts with two IP numbers each:

ns10.dnsmadeeasy.com has two IP addresses: 208.94.148.4 and 2600:1800:10::1.

ns11.dnsmadeeasy.com has two IP addresses: 208.80.124.4 and 2600:1801:11::1.

ns12.dnsmadeeasy.com has two IP addresses: 208.80.126.4 and 2600:1802:12::1.

ns13.dnsmadeeasy.com has two IP addresses: 208.80.125.4 and 2600:1801:13::1.

ns14.dnsmadeeasy.com has two IP addresses: 208.80.127.4 and 2600:1802:14::1.

ns15.dnsmadeeasy.com has two IP addresses: 208.94.149.4 and 2600:1800:15::1.

dns1.easydns.com has two IP addresses: 64.68.196.10 and 2620:49:3::10.

dns2.easydns.net has two IP addresses: 64.68.193.10 and 2620:49:2::10.

dns3.easydns.org has two IP addresses: 64.68.192.10 and 2620:49:1::10.