🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`firstclassfunc.com`

DNSSEC	⚠️ Not signed
A	3.33.251.168^{🇺🇸 Amazon3.33.240.0/20}
		PTR	`aec037177372cc6cd.awsglobalaccelerator.com`
A	15.197.225.128^{🇺🇸 Amazon15.197.224.0/20}
NS	`pdns05.domaincontrol.com` ⭐
		A	2603:5:21e1::34^{🇺🇸 GODADDY-DNS2603:5:21e0::/44}
			PTR	`pdns05.domaincontrol.com`
		A	97.74.110.52^{🇺🇸 GODADDY-DNS97.74.110.0/23}
			PTR	`pdns05.domaincontrol.com`
NS	`pdns06.domaincontrol.com`
		A	2603:5:22e1::34^{🇺🇸 GODADDY-DNS2603:5:22e0::/44}
			PTR	`pdns06.domaincontrol.com`
		A	173.201.78.52^{🇺🇸 GODADDY-DNS173.201.78.0/23}
			PTR	`pdns06.domaincontrol.com`
MX	`mx1.dynu.com` ⭐
		A	72.51.58.35^{🇨🇦 AS39801972.51.58.0/24 Dynu Systems Incorporated}
			PTR	`mx1.wiredblade.com`
		A	72.51.58.36^{🇨🇦 AS39801972.51.58.0/24 Dynu Systems Incorporated}
			PTR	`mx1.wiredblade.com`
		A	72.51.58.37^{🇨🇦 AS39801972.51.58.0/24 Dynu Systems Incorporated}
			PTR	`mx1.wiredblade.com`
		A	72.51.58.38^{🇨🇦 AS39801972.51.58.0/24 Dynu Systems Incorporated}
			PTR	`mx1.wiredblade.com`
		A	162.216.242.35^{🇺🇸 AS398019162.216.242.0/24 Dynu Systems Incorporated}
			PTR	`mx1.wiredblade.com`
		A	162.216.242.36^{🇺🇸 AS398019162.216.242.0/24 Dynu Systems Incorporated}
			PTR	`mx1.wiredblade.com`
		A	162.216.242.37^{🇺🇸 AS398019162.216.242.0/24 Dynu Systems Incorporated}
			PTR	`mx1.wiredblade.com`
		A	162.216.242.38^{🇺🇸 AS398019162.216.242.0/24 Dynu Systems Incorporated}
			PTR	`mx1.wiredblade.com`
MX	`mx2.dynu.com` ⭐
TXT	`v=spf1 include:marigar.us -all`
SOA	`pdns05.domaincontrol.com`dns@jomax.net 2026-06-29 #0

`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=1790257949

Same first word

firstclassfunc.vercel.app

firstclassfunc.com

Previous names

Next names

DNS History

12 records (6 active, 6 former)

○NSns1.domain.com2016-12-21 → 2018-06-10 · 4 obs

● 2016-12-21 06:19:44
● 2018-06-10 17:01:34
○ 2026-09-19 02:49:44
○ 2026-09-24 14:08:16

○NSns2.domain.com2016-12-21 → 2018-06-10 · 4 obs

● 2016-12-21 06:19:44
● 2018-06-10 17:01:34
○ 2026-09-19 02:49:44
○ 2026-09-24 14:08:16

●NSpdns05.domaincontrol.com2026-09-19 → 2026-09-24 · 3 obs

○ 2018-06-10 17:01:34
● 2026-09-19 02:49:44
● 2026-09-24 14:08:16

●NSpdns06.domaincontrol.com2026-09-19 → 2026-09-24 · 3 obs

○ 2018-06-10 17:01:34
● 2026-09-19 02:49:44
● 2026-09-24 14:08:16

○MXmx.firstclassfunc.com2016-12-21 → 2018-06-10 · 4 obs

● 2016-12-21 06:19:44
● 2018-06-10 17:01:34
○ 2026-09-19 02:49:44
○ 2026-09-24 14:08:16

●MXmx1.dynu.com2026-09-19 → 2026-09-24 · 3 obs

○ 2018-06-10 17:01:34
● 2026-09-19 02:49:44
● 2026-09-24 14:08:16

●MXmx2.dynu.com2026-09-19 → 2026-09-24 · 3 obs

○ 2018-06-10 17:01:34
● 2026-09-19 02:49:44
● 2026-09-24 14:08:16

○A107.20.198.2282016-12-21 → 2016-12-21 · 3 obs

● 2016-12-21 06:19:44
○ 2018-06-10 17:01:34
○ 2026-09-24 14:08:16

●A15.197.225.1282026-09-19 → 2026-09-24 · 3 obs

○ 2018-06-10 17:01:34
● 2026-09-19 02:49:44
● 2026-09-24 14:08:16

○A192.30.252.1532018-06-10 → 2018-06-10 · 4 obs

○ 2016-12-21 06:19:44
● 2018-06-10 17:01:34
○ 2026-09-19 02:49:44
○ 2026-09-24 14:08:16

○A192.30.252.1542018-06-10 → 2018-06-10 · 4 obs

○ 2016-12-21 06:19:44
● 2018-06-10 17:01:34
○ 2026-09-19 02:49:44
○ 2026-09-24 14:08:16

●A3.33.251.1682026-09-19 → 2026-09-24 · 3 obs

○ 2018-06-10 17:01:34
● 2026-09-19 02:49:44
● 2026-09-24 14:08:16

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
firstclassfunc.com	pdns05.domaincontrol.com, pdns06.domaincontrol.com	4 records

✅ Authoritative Response

Server:97.74.110.52

NS records: pdns05.domaincontrol.com, pdns06.domaincontrol.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstclassfunc.com (unsigned zone)

⏱️ Timing

Total: 120ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`15.197.225.128, 3.33.251.168`
NS	2	`pdns05.domaincontrol.com, pdns06.domaincontrol.com`
MX	2	`mx1.dynu.com (pri: 10), mx2.dynu.com (pri: 10)`
TXT	1	`v=spf1 include:marigar.us -all`
SOA	1	`pdns05.domaincontrol.com dns.jomax.net`

📌 Glue Records Collected

Total: 4

Out-of-bailiwick: 4 (pdns05.domaincontrol.com, pdns05.domaincontrol.com, pdns06.domaincontrol.com...)

Analysis

IP Addresses

firstclassfunc.com resolves to the IP addresses 3.33.251.168 and 15.197.225.128

sydneymermaids.com, capecanaveralmassage.com, championsfloridarealty.com and two other host names share IP numbers with firstclassfunc.com.

Name Servers

firstclassfunc.com uses two name servers for its delegation: pdns05.domaincontrol.com and pdns06.domaincontrol.com.

firstclassfunc.com uses the same name servers as several other domains — among them bhhsprimeproperties.com, fll-four-seasons.us, webpagedesignedgewater.com and two more.

The two host names pdns05.domaincontrol.com and pdns06.domaincontrol.com each have a pair of IP addresses: pdns05.domaincontrol.com has 97.74.110.52 and 2603:5:21e1::34, and pdns06.domaincontrol.com has 173.201.78.52 and 2603:5:22e1::34.

Mail Servers

Mail for firstclassfunc.com is handled by two mail servers — mx1.dynu.com and mx2.dynu.com.

firstclassfunc.com uses an identical mail server configuration to several other domains — among them tom-kathy.com, proptechsee.com, mncombatofficials.com and two more.

firstclassfunc.com has at least partial mail server overlap with other domains such as exclusivesedan.com, pjross.com, lazarowitz.net and two more.

Hostnames that resolve to 8 IP addresses:

Hostname mx1.dynu.com directs to 72.51.58.35, 72.51.58.36 and 72.51.58.37 along with 5 other IP addresses.

firstclassfunc.com - robtex.com