`mail.markcrocker.com`

DNSSEC	⚠️ Not signed
A	75.145.219.202^{🇺🇸 COMCAST-IBONE75.144.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
		PTR	`75-145-219-202-memphis.hfc.comcastbusiness.net`

`markcrocker.com`

	DNSSEC	⚠️ Not signed
	A	75.145.219.202^{🇺🇸 COMCAST-IBONE75.144.0.0/13 Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054}
	NS	`ns73.worldnic.com` ⭐
	NS	`ns74.worldnic.com`
	MX	`mail.markcrocker.com` ⭐
	TXT	`v=spf1 mx ~all`
	SOA	`NS73.WORLDNIC.com`namehost@WORLDNIC.com serial=123092700

WOT: SAFE (60/100)

MX for

markcrocker.com

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DNS History

1 record (1 active, 0 former)

●A75.145.219.2022026-03-27 → 2026-03-28 · 2 obs

● 2026-03-27 05:19:20
● 2026-03-28 13:08:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
markcrocker.com	ns73.worldnic.com, ns74.worldnic.com	2 records

✅ Authoritative Response

Server:162.159.27.78

NS records: ns73.worldnic.com, ns74.worldnic.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for markcrocker.com (unsigned zone)

⏱️ Timing

Total: 216ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`75.145.219.202`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns73.worldnic.com, ns74.worldnic.com)

Analysis

Mail Server Role

mail.markcrocker.com acts as a mail server for markcrocker.com.

IP Addresses

mail.markcrocker.com points to a single IP number: 75.145.219.202.

Other host names, for instance markcrocker.com and www.markcrocker.com, share IP numbers with mail.markcrocker.com.

mail.markcrocker.com - robtex.com