firecourse.com - dns.ninja

`firecourse.com`

DNSSEC	⚠️ Not signed
A	185.53.179.128^{🇩🇪 TEAMINTERNET-AS185.53.179.0/24 Registration for Team Internet by Next Dimension}
NS	`ns1.dyna-ns.net` ⭐
		A	2400:cb00:2049:1::a29f:1a5c^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1b9e^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.26.92^{Cloudflare162.159.26.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
		A	162.159.27.158^{Cloudflare162.159.27.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns1.dyna-ns.net`
NS	`ns2.dyna-ns.net`
		A	2400:cb00:2049:1::a29f:1805^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	2400:cb00:2049:1::a29f:1905^{🇺🇸 Cloudflare2400:cb00:2049::/48 , Inc. 101 Townsend Street}
		A	162.159.24.5^{Cloudflare162.159.24.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
		A	162.159.25.5^{Cloudflare162.159.25.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`ns2.dyna-ns.net`
SOA	`ns1.dyna-ns.net`hostmaster@firecourse.com 2026-07-31 #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=1785576247

Previously MX for

firecourse.com

Subdomains

mail.firecourse.com

Same first word

firecourse.com

Similar names

DNS History

18 records (3 active, 15 former)

○NSns1.bluehost.com2015-07-12 → 2016-09-12 · 4 obs

● 2015-07-12 18:15:50
● 2016-09-12 01:05:38
○ 2017-04-02 14:17:28
○ 2026-08-01 09:28:26

●NSns1.dyna-ns.net2026-03-06 → 2026-08-01 · 3 obs

○ 2017-04-02 14:17:28
● 2026-03-06 12:43:16
● 2026-08-01 09:28:26

○NSns2.bluehost.com2015-07-12 → 2016-09-12 · 4 obs

● 2015-07-12 18:15:50
● 2016-09-12 01:05:38
○ 2017-04-02 14:17:28
○ 2026-08-01 09:28:26

●NSns2.dyna-ns.net2026-03-06 → 2026-08-01 · 3 obs

○ 2017-04-02 14:17:28
● 2026-03-06 12:43:16
● 2026-08-01 09:28:26

○NSsk.s5.ans1.ns122.ztomy.com2017-04-02 → 2017-04-02 · 4 obs

○ 2016-09-12 01:05:38
● 2017-04-02 14:17:28
○ 2026-03-06 12:43:16
○ 2026-08-01 09:28:26

○NSsk.s5.ans2.ns122.ztomy.com2017-04-02 → 2017-04-02 · 4 obs

○ 2016-09-12 01:05:38
● 2017-04-02 14:17:28
○ 2026-03-06 12:43:16
○ 2026-08-01 09:28:26

○MXfallbackmx.spamexperts.eu2015-07-12 → 2016-03-25 · 4 obs

● 2015-07-12 18:15:50
● 2016-03-25 23:59:12
○ 2016-09-12 01:05:38
○ 2026-08-01 09:28:26

○MXfirecourse.com2016-09-12 → 2026-04-08 · 7 obs

○ 2016-03-25 23:59:12
● 2016-09-12 01:05:38
○ 2017-04-02 14:17:28
○ 2026-04-02 13:48:30
● 2026-04-08 18:59:50
○ 2026-06-11 13:50:18
○ 2026-08-01 09:28:26

○MXlastmx.spamexperts.net2015-07-12 → 2016-03-25 · 4 obs

● 2015-07-12 18:15:50
● 2016-03-25 23:59:12
○ 2016-09-12 01:05:38
○ 2026-08-01 09:28:26

○MXmail.firecourse.com2016-09-12 → 2016-09-12 · 4 obs

○ 2016-03-25 23:59:12
● 2016-09-12 01:05:38
○ 2017-04-02 14:17:28
○ 2026-08-01 09:28:26

○MXmx.spamexperts.com2015-07-12 → 2016-03-25 · 4 obs

● 2015-07-12 18:15:50
● 2016-03-25 23:59:12
○ 2016-09-12 01:05:38
○ 2026-08-01 09:28:26

●A185.53.179.1282026-03-06 → 2026-08-01 · 5 obs

○ 2017-04-02 14:17:28
● 2026-03-06 12:43:16
● 2026-04-02 13:48:30
○ 2026-04-08 18:59:50
● 2026-08-01 09:28:26

○A185.53.179.1462026-06-11 → 2026-06-11 · 4 obs

○ 2026-04-08 18:59:50
● 2026-06-11 13:50:18
○ 2026-08-01 00:13:54
○ 2026-08-01 09:28:26

○A208.91.197.442017-04-02 → 2017-04-02 · 4 obs

○ 2016-09-12 01:05:38
● 2017-04-02 14:17:28
○ 2026-03-06 12:43:16
○ 2026-08-01 09:28:26

○A34.195.60.1392026-03-06 → 2026-08-01 · 2 obs

○ 2026-03-06 12:43:16
○ 2026-08-01 09:28:26

○A51.222.56.422026-04-08 → 2026-04-08 · 4 obs

○ 2026-04-02 13:48:30
● 2026-04-08 18:59:50
○ 2026-06-11 13:50:18
○ 2026-08-01 09:28:26

○A69.89.31.872015-07-12 → 2016-09-12 · 4 obs

● 2015-07-12 18:15:50
● 2016-09-12 01:05:38
○ 2017-04-02 14:17:28
○ 2026-08-01 09:28:26

○PTRsk.s5.ans1.ns122.ztomy.com2017-04-02 → 2017-04-02 · 3 obs

● 2017-04-02 14:17:28
○ 2026-03-06 12:43:16
○ 2026-08-01 09:28:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	c.gtld-servers.net, m.gtld-servers.net, i.gtld-servers.net, k.gtld-servers.net...	-
firecourse.com	ns2.dyna-ns.net, ns1.dyna-ns.net	-

✅ Authoritative Response

Server:162.159.26.92

NS records: ns2.dyna-ns.net, ns1.dyna-ns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firecourse.com (unsigned zone)

⏱️ Timing

Total: 445ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.53.179.128`
NS	2	`ns2.dyna-ns.net, ns1.dyna-ns.net`
SOA	1	`ns1.dyna-ns.net hostmaster.firecourse.co`

Analysis

Hierarchy

firecourse.com serves as the parent of mail.firecourse.com.

IP Addresses

firecourse.com has exactly one IP address — 185.53.179.128.

820b.com, bellyfatpills.com, 4585.com plus two other host names have IP numbers in common with firecourse.com.

Name Servers

firecourse.com has two authoritative name servers — ns1.dyna-ns.net and ns2.dyna-ns.net.

The name server configuration of firecourse.com is shared with other domains, for instance sunrooms.tv, introsteps.online, polaviz.com and two others.

The name servers for firecourse.com overlap at least partially with those of other domains — for example grainanalyzer.com.

The hosts ns1.dyna-ns.net and ns2.dyna-ns.net each resolve to four IP numbers: ns1.dyna-ns.net directs to 162.159.26.92, 162.159.27.158, 2400:cb00:2049:1::a29f:1a5c and 2400:cb00:2049:1::a29f:1b9e, and ns2.dyna-ns.net directs to 162.159.24.5, 162.159.25.5, 2400:cb00:2049:1::a29f:1805 and 2400:cb00:2049:1::a29f:1905.