`coolstuff.firstclass.com`

DNSSEC	⚠️ Not signed
MX	`mail.coolstuff.firstclass.com` ⭐
		A	198.133.37.33^{🇺🇸 AS701198.133.32.0/19 MCI Communications Services, LLC d/b/a Verizon Business}

`firstclass.com`

	DNSSEC	⚠️ Not signed
	A	205.211.178.221^{🇨🇦 AS16751205.211.178.0/24 Added on behalf of the customer}
	NS	`ns.softarc.com` ⭐ ⚠️ Not in parent delegation
	NS	`ns.firstclass.com` ⚠️ Not in zone NS records
	NS	`proxy.firstclass.com`
	MX	`mxa-00102601.gslb.pphosted.com` ⭐
	MX	`mxb-00102601.gslb.pphosted.com` ⭐
	TXT	`MS=ms72633469`
	TXT	`v=spf1 ip4:205.211.178.221 ~all`
	SOA	`ns.softarc.com`postmaster@softarc.com serial=515

WOT: SAFE (66/100)
rank #726832 globally
rank #329106 in the tld
WOT: SAFE (88/100)

Subdomains

mail.coolstuff.firstclass.com

www.coolstuff.firstclass.com

standard.coolstuff.firstclass.com

Same first word

Similar names

stuffcool.com

toolcuffs.com

loscutoff.com

focusloft.com

DNS History

3 records (1 active, 2 former)

○NSns.softarc.com2015-08-23 → 2017-08-23 · 4 obs

● 2015-08-23 04:23:56
● 2017-08-23 04:19:20
○ 2020-01-16 18:40:46
○ 2026-03-09 11:24:46

○NSns.uunet.ca2015-08-23 → 2017-08-23 · 4 obs

● 2015-08-23 04:23:56
● 2017-08-23 04:19:20
○ 2020-01-16 18:40:46
○ 2026-03-09 11:24:46

●MXmail.coolstuff.firstclass.com2015-08-23 → 2026-03-09 · 2 obs

● 2015-08-23 04:23:56
● 2026-03-09 11:24:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, k.gtld-servers.net, b.gtld-servers.net, m.gtld-servers.net...	-
firstclass.com	ns.firstclass.com, proxy.firstclass.com	2 records

✅ Authoritative Response

Server: 205.211.178.223

NS records: ns.firstclass.com, proxy.firstclass.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstclass.com (unsigned zone)

⏱️ Timing

Total: 204ms | Queries: -

📄 Records

Type	Count	Sample Data
MX	1	`mail.coolstuff.firstclass.com (pri: 10)`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns.firstclass.com, proxy.firstclass.com)

Analysis

Hierarchy

The parent of mail.coolstuff.firstclass.com, www.coolstuff.firstclass.com and standard.coolstuff.firstclass.com is coolstuff.firstclass.com.

Mail Servers

coolstuff.firstclass.com is handled by a single mail server, mail.coolstuff.firstclass.com.

The host name mail.coolstuff.firstclass.com points to IP 198.133.37.33.

coolstuff.firstclass.com - robtex.com