`teachingcoursework.com`

DNSSEC	⚠️ Not signed
A	3.33.251.168^{🇺🇸 Amazon3.33.240.0/20}
		PTR	`aec037177372cc6cd.awsglobalaccelerator.com`
A	15.197.225.128^{🇺🇸 Amazon15.197.224.0/20}
NS	`ns21.domaincontrol.com` ⭐
		A	2603:5:2141::b^{🇺🇸 GODADDY-DNS2603:5:2140::/44}
			PTR	`ns21.domaincontrol.com`
		A	97.74.100.11^{🇺🇸 GODADDY-DNS97.74.100.0/23}
			PTR	`ns21.domaincontrol.com`
NS	`ns22.domaincontrol.com`
		A	2603:5:2241::b^{🇺🇸 GODADDY-DNS2603:5:2240::/44}
			PTR	`ns22.domaincontrol.com`
		A	173.201.68.11^{🇺🇸 GODADDY-DNS173.201.68.0/23}
			PTR	`ns22.domaincontrol.com`
SOA	`ns21.domaincontrol.com`dns@jomax.net 2026-01-26 #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=1774451302

rank #285039 globally
rank #123486 in the tld
📈 Tranco rank: #992,259

Previously MX for

teachingcoursework.com

Same first word

teachingcoursework.com

DNS History

8 records (4 active, 4 former)

●NSns21.domaincontrol.com2026-02-28 → 2026-03-25 · 3 obs

○ 2020-01-21 08:52:36
● 2026-02-28 05:53:00
● 2026-03-25 15:14:18

●NSns22.domaincontrol.com2026-02-28 → 2026-03-25 · 3 obs

○ 2020-01-21 08:52:36
● 2026-02-28 05:53:00
● 2026-03-25 15:14:18

○NSns3.resourcesofnet.net2016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 00:18:40
○ 2020-01-21 08:52:36
○ 2026-03-25 15:14:18

○NSns4.resourcesofnet.net2016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 00:18:40
○ 2020-01-21 08:52:36
○ 2026-03-25 15:14:18

○MXteachingcoursework.com2016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 00:18:40
○ 2020-01-21 08:52:36
○ 2026-03-25 15:14:18

●A15.197.225.1282026-02-28 → 2026-03-25 · 3 obs

○ 2020-01-21 08:52:36
● 2026-02-28 05:53:00
● 2026-03-25 15:14:18

○A173.254.214.2172016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 00:18:40
○ 2020-01-21 08:52:36
○ 2026-03-25 15:14:18

●A3.33.251.1682026-02-28 → 2026-03-25 · 3 obs

○ 2020-01-21 08:52:36
● 2026-02-28 05:53:00
● 2026-03-25 15:14:18

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	k.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net...	-
teachingcoursework.com	ns21.domaincontrol.com, ns22.domaincontrol.com	4 records

✅ Authoritative Response

Server:173.201.68.11

NS records: ns21.domaincontrol.com, ns22.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for teachingcoursework.com (unsigned zone)

⏱️ Timing

Total: 156ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.197.225.128, 3.33.251.168`
NS	2	`ns21.domaincontrol.com, ns22.domaincontrol.com`
SOA	1	`ns21.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (ns21.domaincontrol.com, ns21.domaincontrol.com, ns22.domaincontrol.com...)

Analysis

IP Addresses

teachingcoursework.com resolves to two IP numbers: 3.33.251.168 and 15.197.225.128.

Other host names, for instance mirro-part.com, capitolpools.com, genr8speed.com, gmcksayretreat.com and mariaculp.com share IP numbers with teachingcoursework.com.

Name Servers

teachingcoursework.com has two name servers: ns21.domaincontrol.com and ns22.domaincontrol.com.

teachingcoursework.com shares the same name server setup as other domains, for example medikamentensuche.at, sonlahotel.com, sunmarkinc.com, forgetbox.com and idehara.com.

teachingcoursework.com partially shares name servers with other domains, for instance zenmarket.io.

Host names with two IP numbers:

ns21.domaincontrol.com points to: 2603:5:2141::b and 97.74.100.11; ns22.domaincontrol.com points to: 2603:5:2241::b and 173.201.68.11.

teachingcoursework.com - robtex.com