`thelinuxacademy.com`

DNSSEC	⚠️ Not signed
NS	`ns1.markmonitor.com` ⚠️ Not in zone NS records
		A	2620:10a:80a8::1^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.1^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
			PTR	`ip-149-112-160-1.defastlink.net`
NS	`ns2.markmonitor.com` ⚠️ Not in zone NS records
		A	2001:67c:10b8::1^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns2.markmonitor.com`
		A	176.97.158.1^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns2.markmonitor.com`
NS	`ns3.markmonitor.com` ⚠️ Not in zone NS records
		A	2620:10a:80a9::1^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.1^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
			PTR	`ip-149-112-161-1.defastlink.net`
NS	`ns4.markmonitor.com` ⚠️ Not in zone NS records
		A	2001:67c:1bc::1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD2001:67c:1bc::/48 IPCom-NET Anycast}
			PTR	`ns1.markmonitor.com`
		A	192.174.68.1^{🇦🇹 RCODEZERO-ANYCAST-SEC1-TLD192.174.68.0/24 NICat-anycast-net}
			PTR	`ns1.markmonitor.com`
NS	`ns5.markmonitor.com` ⚠️ Not in zone NS records
		A	2620:10a:80a8::2^{🇨🇦 CIRA-22620:10a:80a8::/48 markmonitor v6 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.160.2^{🇨🇦 CIRA-2149.112.160.0/24 markmonitor v4 cloud1 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
			PTR	`ip-149-112-160-2.defastlink.net`
NS	`ns6.markmonitor.com` ⚠️ Not in zone NS records
		A	2001:67c:10b8::3^{🇨🇭 RCODEZERO-ANYCAST-SEC22001:67c:10b8::/48 IPCOM-anycast-net}
			PTR	`ns6.markmonitor.com`
		A	176.97.158.3^{🇦🇹 RCODEZERO-ANYCAST-SEC2176.97.158.0/24 NICat-anycast-net}
			PTR	`ns6.markmonitor.com`
NS	`ns7.markmonitor.com` ⚠️ Not in zone NS records
		A	2620:10a:80a9::2^{🇨🇦 CIRA-32620:10a:80a9::/48 markmonitor v6 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
		A	149.112.161.2^{🇨🇦 CIRA-3149.112.161.0/24 markmonitor v4 cloud2 979 Bank Street, Suite 400 Ottawa ON K1S 5K5 Canada}
			PTR	`ip-149-112-161-2.defastlink.net`

`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=1771291435

Same first word

thelinuxacademy.com

DNS History

12 records (7 active, 5 former)

○NSns.thelinuxacademy.com2015-05-19 → 2016-03-28 · 5 obs

○ 2008-03-12 03:41:24
● 2015-05-19 05:48:46
● 2016-03-28 10:55:32
○ 2016-12-02 06:09:20
○ 2026-03-24 04:02:16

●NSns1.markmonitor.com2026-02-16 → 2026-03-24 · 3 obs

○ 2017-05-20 06:03:22
● 2026-02-16 03:46:48
● 2026-03-24 04:02:16

●NSns2.markmonitor.com2026-02-16 → 2026-03-24 · 3 obs

○ 2017-05-20 06:03:22
● 2026-02-16 03:46:48
● 2026-03-24 04:02:16

○NSns3.epik.com2015-05-19 → 2017-05-20 · 5 obs

○ 2008-03-12 03:41:24
● 2015-05-19 05:48:46
● 2017-05-20 06:03:22
○ 2026-02-16 03:46:48
○ 2026-03-24 04:02:16

●NSns3.markmonitor.com2026-02-16 → 2026-03-24 · 3 obs

○ 2017-05-20 06:03:22
● 2026-02-16 03:46:48
● 2026-03-24 04:02:16

○NSns4.epik.com2015-05-19 → 2017-05-20 · 5 obs

○ 2008-03-12 03:41:24
● 2015-05-19 05:48:46
● 2017-05-20 06:03:22
○ 2026-02-16 03:46:48
○ 2026-03-24 04:02:16

●NSns4.markmonitor.com2026-02-16 → 2026-03-24 · 3 obs

○ 2017-05-20 06:03:22
● 2026-02-16 03:46:48
● 2026-03-24 04:02:16

●NSns5.markmonitor.com2026-02-16 → 2026-03-24 · 3 obs

○ 2017-05-20 06:03:22
● 2026-02-16 03:46:48
● 2026-03-24 04:02:16

●NSns6.markmonitor.com2026-02-16 → 2026-03-24 · 3 obs

○ 2017-05-20 06:03:22
● 2026-02-16 03:46:48
● 2026-03-24 04:02:16

●NSns7.markmonitor.com2026-02-16 → 2026-03-24 · 3 obs

○ 2017-05-20 06:03:22
● 2026-02-16 03:46:48
● 2026-03-24 04:02:16

○MXmail.b-io.co2015-05-19 → 2026-02-16 · 4 obs

○ 2008-03-12 03:41:24
● 2015-05-19 05:48:46
● 2026-02-16 03:46:48
○ 2026-03-24 04:02:16

○A192.64.147.1502015-05-19 → 2026-02-16 · 4 obs

○ 2008-03-12 03:41:24
● 2015-05-19 05:48:46
● 2026-02-16 03:46:48
○ 2026-03-24 04:02:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...	-
thelinuxacademy.com	ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com...	14 records

✅ Authoritative Response

Server:149.112.161.2

NS records: ns1.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com, ns7.markmonitor.com, ns2.markmonitor.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for thelinuxacademy.com (unsigned zone)

⏱️ Timing

Total: 352ms | Queries: -

📄 Records

Type	Count	Sample Data

📌 Glue Records Collected

Total: 14

Out-of-bailiwick: 14 (ns1.markmonitor.com, ns1.markmonitor.com, ns3.markmonitor.com...)

Analysis

Name Servers

thelinuxacademy.com's zone is delegated to seven name servers: ns1.markmonitor.com, ns2.markmonitor.com, ns3.markmonitor.com, ns4.markmonitor.com, ns5.markmonitor.com, ns6.markmonitor.com and ns7.markmonitor.com.

thelinuxacademy.com at least partially shares name servers with other domains, for example bestbuygov.com, russell.jobs, regemeron.com, ecolaboem.com and velfuzer.jp.