mail.firstmarkcorp.com - dns.ninja

`mail.firstmarkcorp.com`

DNSSEC	⚠️ Not signed
A	206.188.192.38^{🇺🇸 Jacksonville206.188.192.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
		PTR	`vux.netsolhost.com`

`firstmarkcorp.com`

	DNSSEC	⚠️ Not signed
	A	206.188.192.38^{🇺🇸 Jacksonville206.188.192.0/24 5335 Gate Parkway Jacksonville FL 32256 United States}
	NS	`ns57.worldnic.com` ⭐
	NS	`ns58.worldnic.com`
	MX	`firstmarkcorp-com.mail.protection.outlook.com` ⭐
	TXT	`MS=ms10857881`
	TXT	`v=spf1 include:spf.protection.outlook.com -all`
	TXT	`tacklephishing-domain-verification=92c037b4f33f4b48bbe1582611e1c2a1`
	SOA	`NS57.WORLDNIC.com`namehost@WORLDNIC.com serial=123040511

PTR for

10.184.205.65.in-addr.arpa

Previously MX for

firstmarkcorp.com

Same first word

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DNS History

3 records (1 active, 2 former)

○A12.174.159.1862016-01-19 → 2016-04-24 · 5 obs

○ 2015-10-31 14:36:12
● 2016-01-19 18:28:20
● 2016-04-24 03:59:12
○ 2026-03-21 12:22:54
○ 2026-08-11 06:09:48

●A206.188.192.382026-03-21 → 2026-08-11 · 3 obs

○ 2016-04-24 03:59:12
● 2026-03-21 12:22:54
● 2026-08-11 06:09:48

○A65.205.184.102015-06-25 → 2015-10-31 · 4 obs

● 2015-06-25 02:52:38
● 2015-10-31 14:36:12
○ 2016-01-19 18:28:20
○ 2026-08-11 06:09:48

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
firstmarkcorp.com	ns57.worldnic.com, ns58.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.26.165

NS records: ns57.worldnic.com, ns58.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstmarkcorp.com (unsigned zone)

⏱️ Timing

Total: 164ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`206.188.192.38`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns57.worldnic.com, ns58.worldnic.com)

Analysis

IP Addresses

mail.firstmarkcorp.com resolves to one IP address: 206.188.192.38.

tomfrerichs.com, drclef.com, gccsa.org and two other host names share IP numbers with mail.firstmarkcorp.com.