futurecourse.com - dns.ninja

`futurecourse.com`

DNSSEC	⚠️ Not signed
A	2600:3c01:e000:b58::^{🇺🇸 AKAMAI-LINODE-AP2600:3c01::/32 Akamai Technologies}
		PTR	`mail1.inetnode.com`
A	74.207.251.91^{🇺🇸 AKAMAI-LINODE-AP74.207.240.0/20 Akamai Technologies}
NS	`ns1.linode.com` ⭐
		A	2600:14c0:6::2^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-2.akashield.net`
		A	92.123.94.2^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-2.akashield.net`
NS	`ns2.linode.com`
		A	2600:14c0:6::3^{🇺🇸 Akamai2600:14c0:6::/48 Technologies}
			PTR	`c1-3.akashield.net`
		A	92.123.94.3^{🇳🇱 Akamai92.123.94.0/24 Technologies}
			PTR	`c1-3.akashield.net`
NS	`ns3.linode.com`
		A	2600:14c0:7::3^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-3.akashield.net`
		A	92.123.95.3^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-3.akashield.net`
NS	`ns4.linode.com`
		A	2600:14c0:7::4^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-4.akashield.net`
		A	92.123.95.4^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-4.akashield.net`
NS	`ns5.linode.com`
		A	2600:14c0:7::2^{🇺🇸 Akamai2600:14c0:7::/48 Technologies}
			PTR	`c2-2.akashield.net`
		A	92.123.95.2^{🇳🇱 Akamai92.123.95.0/24 Technologies}
			PTR	`c2-2.akashield.net`
MX	`mail1.inetnode.com` ⭐
		A	74.207.251.91^{🇺🇸 AKAMAI-LINODE-AP74.207.240.0/20 Akamai Technologies}
			PTR	`mail1.inetnode.com`
TXT	`v=spf1 a mx mx:mail1.inetnode.com -all`
TXT	`google-site-verification=Rb5BtGc-D59Y58ZH0vn9-Mso__mSzfMSAicjn3tUqR4`
SOA	`ns1.linode.com`hostmaster@inetnode.com serial=2021000028

`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=1783830147

Previously MX for

futurecourse.com

Same first word

futurecourse.net

futurecourse.com

Similar names

futuresource.org

futuresource.ca

coursefuture.com

futuresource.com

DNS History

16 records (8 active, 8 former)

○NSns1.futurecourse.net2009-01-15 → 2009-01-15 · 3 obs

● 2009-01-15 06:12:40
○ 2015-08-18 11:29:48
○ 2026-07-12 04:37:54

●NSns1.linode.com2015-08-18 → 2026-07-12 · 3 obs

○ 2009-01-15 06:12:40
● 2015-08-18 11:29:48
● 2026-07-12 04:37:54

○NSns16.zoneedit.com2009-01-15 → 2009-01-15 · 3 obs

● 2009-01-15 06:12:40
○ 2015-08-18 11:29:48
○ 2026-07-12 04:37:54

○NSns2.futurecourse.net2009-01-15 → 2009-01-15 · 3 obs

● 2009-01-15 06:12:40
○ 2015-08-18 11:29:48
○ 2026-07-12 04:37:54

●NSns2.linode.com2015-08-18 → 2026-07-12 · 3 obs

○ 2009-01-15 06:12:40
● 2015-08-18 11:29:48
● 2026-07-12 04:37:54

●NSns3.linode.com2015-08-18 → 2026-07-12 · 3 obs

○ 2009-01-15 06:12:40
● 2015-08-18 11:29:48
● 2026-07-12 04:37:54

●NSns4.linode.com2015-08-18 → 2026-07-12 · 3 obs

○ 2009-01-15 06:12:40
● 2015-08-18 11:29:48
● 2026-07-12 04:37:54

●NSns5.linode.com2015-08-18 → 2026-07-12 · 3 obs

○ 2009-01-15 06:12:40
● 2015-08-18 11:29:48
● 2026-07-12 04:37:54

○NSns8.zoneedit.com2009-01-15 → 2009-01-15 · 3 obs

● 2009-01-15 06:12:40
○ 2015-08-18 11:29:48
○ 2026-07-12 04:37:54

○MXfuturecourse.com2009-01-15 → 2009-01-15 · 3 obs

● 2009-01-15 06:12:40
○ 2015-08-18 11:29:48
○ 2026-07-12 04:37:54

●MXmail1.inetnode.com2015-08-18 → 2026-07-12 · 3 obs

○ 2009-01-15 06:12:40
● 2015-08-18 11:29:48
● 2026-07-12 04:37:54

○MXtar.junkemailfilter.com2026-03-05 → 2026-04-15 · 5 obs

○ 2017-05-26 04:12:02
● 2026-03-05 17:40:10
● 2026-04-15 17:35:08
○ 2026-05-11 07:25:32
○ 2026-07-12 04:37:54

○MXtarbaby.junkemailfilter.com2017-05-26 → 2017-05-26 · 4 obs

○ 2015-08-18 11:29:48
● 2017-05-26 04:12:02
○ 2026-03-05 17:40:10
○ 2026-07-12 04:37:54

○A205.234.243.1932009-01-15 → 2009-01-15 · 3 obs

● 2009-01-15 06:12:40
○ 2015-08-18 11:29:48
○ 2026-07-12 04:37:54

●A2600:3c01:e000:b58::2026-03-05 → 2026-07-12 · 3 obs

○ 2015-08-18 11:29:48
● 2026-03-05 17:40:10
● 2026-07-12 04:37:54

●A74.207.251.912015-08-18 → 2026-07-12 · 3 obs

○ 2009-01-15 06:12:40
● 2015-08-18 11:29:48
● 2026-07-12 04:37:54

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
futurecourse.com	ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com...	10 records

✅ Authoritative Response

Server:92.123.95.4

NS records: ns1.linode.com, ns2.linode.com, ns3.linode.com, ns4.linode.com, ns5.linode.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for futurecourse.com (unsigned zone)

⏱️ Timing

Total: 308ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`74.207.251.91`
AAAA	1	`2600:3c01:e000:b58::`
NS	5	`ns3.linode.com, ns4.linode.com...`
MX	1	`mail1.inetnode.com (pri: 10)`
TXT	2	`v=spf1 a mx mx:mail1.inetnode.com -all, google-site-verification=Rb5BtGc-D59Y58Z`
SOA	1	`ns1.linode.com hostmaster.inetnode.com`

📌 Glue Records Collected

Total: 10

Out-of-bailiwick: 10 (ns1.linode.com, ns1.linode.com, ns2.linode.com...)

Analysis

IP Addresses

futurecourse.com directs to two IP numbers, 74.207.251.91 and 2600:3c01:e000:b58::

Among the host names that share IP numbers with futurecourse.com are linuxchix.org, thecourtroom.net, cfsg.net and two others.

Name Servers

The authoritative name servers for futurecourse.com are ns1.linode.com, ns2.linode.com, ns3.linode.com and two others.

futurecourse.com partially shares its NS delegation with several other domains, including mobits.com.br, lechdesign.com, cwsenvironmental.com and two others.

These name servers are regularly seen alongside ns4.linode.com and ns5.linode.com as name servers.

Hosts with two IP numbers each:

The A records for ns1.linode.com return 92.123.94.2 and 2600:14c0:6::2.

The A records for ns2.linode.com return 92.123.94.3 and 2600:14c0:6::3.

The A records for ns3.linode.com return 92.123.95.3 and 2600:14c0:7::3.

The A records for ns4.linode.com return 92.123.95.4 and 2600:14c0:7::4.

The A records for ns5.linode.com return 92.123.95.2 and 2600:14c0:7::2.

Mail Servers

futurecourse.com routes its mail through a single mail server, mail1.inetnode.com.

Domains such as thecourtroom.net, cfsg.net, futurecourse.net and inetnode.com share their mail server configuration with futurecourse.com.

mail1.inetnode.com resolves to 74.207.251.91 and no other IP number.