`coursehaven.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	`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	`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	`verification-d3jclucsp89ganyqbydeny.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	`ns1.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=1774411172

PTR for

28.102.58.176.in-addr.arpa

Previously MX for

coursehaven.com

Same first word

coursehaven.com

DNS History

29 records (5 active, 24 former)

○NSdns1.namecheaphosting.com2020-01-10 → 2020-01-10 · 4 obs

○ 2017-03-13 12:14:10
● 2020-01-10 13:53:18
○ 2026-03-24 08:40:54
○ 2026-03-25 04:04:36

○NSdns1.registrar-servers.com2017-03-13 → 2017-03-13 · 4 obs

○ 2016-06-26 23:40:10
● 2017-03-13 12:14:10
○ 2020-01-10 13:53:18
○ 2026-03-25 04:04:36

○NSdns2.namecheaphosting.com2020-01-10 → 2020-01-10 · 4 obs

○ 2017-03-13 12:14:10
● 2020-01-10 13:53:18
○ 2026-03-24 08:40:54
○ 2026-03-25 04:04:36

○NSdns2.registrar-servers.com2017-03-13 → 2017-03-13 · 4 obs

○ 2016-06-26 23:40:10
● 2017-03-13 12:14:10
○ 2020-01-10 13:53:18
○ 2026-03-25 04:04:36

●NSns1.afternic.com2026-03-24 → 2026-03-25 · 3 obs

○ 2020-01-10 13:53:18
● 2026-03-24 08:40:54
● 2026-03-25 04:04:36

○NSns1.linode.com2015-07-07 → 2016-06-26 · 4 obs

● 2015-07-07 16:20:44
● 2016-06-26 23:40:10
○ 2017-03-13 12:14:10
○ 2026-03-25 04:04:36

●NSns2.afternic.com2026-03-24 → 2026-03-25 · 3 obs

○ 2020-01-10 13:53:18
● 2026-03-24 08:40:54
● 2026-03-25 04:04:36

○NSns2.linode.com2015-07-07 → 2016-06-26 · 4 obs

● 2015-07-07 16:20:44
● 2016-06-26 23:40:10
○ 2017-03-13 12:14:10
○ 2026-03-25 04:04:36

○NSns3.linode.com2015-07-07 → 2016-06-26 · 4 obs

● 2015-07-07 16:20:44
● 2016-06-26 23:40:10
○ 2017-03-13 12:14:10
○ 2026-03-25 04:04:36

○NSns4.linode.com2015-07-07 → 2016-06-26 · 4 obs

● 2015-07-07 16:20:44
● 2016-06-26 23:40:10
○ 2017-03-13 12:14:10
○ 2026-03-25 04:04:36

○NSns5.linode.com2015-07-07 → 2016-06-26 · 4 obs

● 2015-07-07 16:20:44
● 2016-06-26 23:40:10
○ 2017-03-13 12:14:10
○ 2026-03-25 04:04:36

●NSverification-d3jclucsp89ganyqbydeny.ns101.verify.hn2026-03-24 → 2026-03-25 · 3 obs

○ 2020-01-10 13:53:18
● 2026-03-24 08:40:54
● 2026-03-25 04:04:36

○MX.2026-03-24 → 2026-03-25 · 2 obs

○ 2026-03-24 08:40:54
○ 2026-03-25 04:04:36

○MXalt1.aspmx.l.google.com2015-11-19 → 2016-06-26 · 4 obs

● 2015-11-19 10:17:52
● 2016-06-26 23:40:10
○ 2017-03-13 12:14:10
○ 2026-03-25 04:04:36

○MXalt2.aspmx.l.google.com2015-11-19 → 2016-06-26 · 4 obs

● 2015-11-19 10:17:52
● 2016-06-26 23:40:10
○ 2017-03-13 12:14:10
○ 2026-03-25 04:04:36

○MXalt3.aspmx.l.google.com2015-11-19 → 2016-06-26 · 4 obs

● 2015-11-19 10:17:52
● 2016-06-26 23:40:10
○ 2017-03-13 12:14:10
○ 2026-03-25 04:04:36

○MXalt4.aspmx.l.google.com2015-11-19 → 2016-06-26 · 4 obs

● 2015-11-19 10:17:52
● 2016-06-26 23:40:10
○ 2017-03-13 12:14:10
○ 2026-03-25 04:04:36

○MXaspmx.l.google.com2015-11-19 → 2016-06-26 · 4 obs

● 2015-11-19 10:17:52
● 2016-06-26 23:40:10
○ 2017-03-13 12:14:10
○ 2026-03-25 04:04:36

○MXcoursehaven.com2020-01-10 → 2020-01-10 · 4 obs

○ 2017-03-13 12:14:10
● 2020-01-10 13:53:18
○ 2026-03-24 08:40:54
○ 2026-03-25 04:04:36

○MXeforward1.registrar-servers.com2017-03-13 → 2017-03-13 · 4 obs

○ 2016-06-26 23:40:10
● 2017-03-13 12:14:10
○ 2020-01-10 13:53:18
○ 2026-03-25 04:04:36

○MXeforward2.registrar-servers.com2017-03-13 → 2017-03-13 · 4 obs

○ 2016-06-26 23:40:10
● 2017-03-13 12:14:10
○ 2020-01-10 13:53:18
○ 2026-03-25 04:04:36

○MXeforward3.registrar-servers.com2017-03-13 → 2017-03-13 · 4 obs

○ 2016-06-26 23:40:10
● 2017-03-13 12:14:10
○ 2020-01-10 13:53:18
○ 2026-03-25 04:04:36

○MXeforward4.registrar-servers.com2017-03-13 → 2017-03-13 · 4 obs

○ 2016-06-26 23:40:10
● 2017-03-13 12:14:10
○ 2020-01-10 13:53:18
○ 2026-03-25 04:04:36

○MXeforward5.registrar-servers.com2017-03-13 → 2017-03-13 · 4 obs

○ 2016-06-26 23:40:10
● 2017-03-13 12:14:10
○ 2020-01-10 13:53:18
○ 2026-03-25 04:04:36

●A13.248.169.482026-03-24 → 2026-03-25 · 3 obs

○ 2020-01-10 13:53:18
● 2026-03-24 08:40:54
● 2026-03-25 04:04:36

○A176.58.102.282015-07-07 → 2016-06-26 · 4 obs

● 2015-07-07 16:20:44
● 2016-06-26 23:40:10
○ 2017-03-13 12:14:10
○ 2026-03-25 04:04:36

○A192.64.119.172017-03-13 → 2017-03-13 · 4 obs

○ 2016-06-26 23:40:10
● 2017-03-13 12:14:10
○ 2020-01-10 13:53:18
○ 2026-03-25 04:04:36

○A198.187.29.2372020-01-10 → 2020-01-10 · 4 obs

○ 2017-03-13 12:14:10
● 2020-01-10 13:53:18
○ 2026-03-24 08:40:54
○ 2026-03-25 04:04:36

●A76.223.54.1462026-03-24 → 2026-03-25 · 3 obs

○ 2020-01-10 13:53:18
● 2026-03-24 08:40:54
● 2026-03-25 04:04:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
coursehaven.com	ns1.afternic.com, ns2.afternic.com, verification-d3jclucsp89ganyqbydeny.ns101.verify.hn	4 records

✅ Authoritative Response

Server:97.74.98.69

NS records: ns1.afternic.com, ns2.afternic.com, verification-d3jclucsp89ganyqbydeny.ns101.verify.hn

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for coursehaven.com (unsigned zone)

⏱️ Timing

Total: 3131ms | 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

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

Other host names such as ns.nlc.me, promethist.com, ns2.gbhe.com, 73.119.44.wisecustomer.com and hgcz.com share IPs with coursehaven.com.

Name Servers

coursehaven.com is delegated to three name servers: ns1.afternic.com, ns2.afternic.com and verification-d3jclucsp89ganyqbydeny.ns101.verify.hn.

coursehaven.com at least partially shares name servers with other domains, for instance gator529.drhacks.com, wierick.com, lnc-sql1.lnc.net, avex.org and blog.unafesta.com.

These name servers are commonly used with verification-eorcralmdryyztntp2thfm.ns101.verify.hn and ns3.verification-abputcppqdwk6cgbvohd6s.ns101.verify.hn.

Host ns1.afternic.com points to 2603:5:2126::45 and 97.74.98.69; Host ns2.afternic.com points to 2603:5:2226::45 and 173.201.66.69; Host verification-d3jclucsp89ganyqbydeny.ns101.verify.hn points to 13.248.169.48 and 76.223.54.146.

coursehaven.com - robtex.com

coursehaven.com

com

PTR for

Previously MX for

Same first word

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

`coursehaven.com`

`com`