🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`firstdevelopmentresources.com`

DNSSEC	⚠️ Not signed
A	2a07:7800::173^{🇬🇧 TWENTYI2a07:7800::/48}
A	185.151.30.173^{🇬🇧 TWENTYI185.151.30.0/24}
NS	`ns1.stackdns.com` ⭐
		A	35.197.225.59^{🇬🇧 Google35.197.224.0/20}
			PTR	`59.225.197.35.bc.googleusercontent.com`
NS	`ns2.stackdns.com`
		A	146.148.28.88^{🇧🇪 Google146.148.16.0/20}
			PTR	`88.28.148.146.bc.googleusercontent.com`
NS	`ns3.stackdns.com`
		A	35.198.79.191^{🇩🇪 Google35.198.64.0/20}
			PTR	`191.79.198.35.bc.googleusercontent.com`
NS	`ns4.stackdns.com`
		A	104.196.137.209^{🇺🇸 Google104.196.128.0/20}
			PTR	`209.137.196.104.bc.googleusercontent.com`
MX	`firstdevelopmentresources-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca0b::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo3p265cu00301.inbound.protection.outlook.com`
		A	2a01:111:f403:ca0b::2^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-lo0p265cu00202.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca1a::1^{🇬🇧 Microsoft2a01:111:f000::/36}
			PTR	`mail-cwxp265cu00601.inbound.protection.outlook.com`
		A	52.101.89.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo2p265cu02300.inbound.protection.outlook.com`
		A	52.101.89.18^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-lo3p265cu00502.inbound.protection.outlook.com`
		A	52.101.99.0^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00600.inbound.protection.outlook.com`
		A	52.101.99.2^{🇬🇧 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-cwxp265cu00502.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`MS=ms16643430`
SOA	`ns1.stackdns.com`hostmaster@stackdns.com serial=1637061128

`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=1794176436

Same first word

firstdevelopmentresources.com

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSns1.stackdns.com2026-08-31 → 2026-11-08 · 2 obs

● 2026-08-31 13:13:54
● 2026-11-08 22:28:38

●NSns2.stackdns.com2026-08-31 → 2026-11-08 · 2 obs

● 2026-08-31 13:13:54
● 2026-11-08 22:28:38

●NSns3.stackdns.com2026-08-31 → 2026-11-08 · 2 obs

● 2026-08-31 13:13:54
● 2026-11-08 22:28:38

●NSns4.stackdns.com2026-08-31 → 2026-11-08 · 2 obs

● 2026-08-31 13:13:54
● 2026-11-08 22:28:38

●MXfirstdevelopmentresources-com.mail.protection.outlook.com2026-08-31 → 2026-11-08 · 2 obs

● 2026-08-31 13:13:54
● 2026-11-08 22:28:38

●A185.151.30.1732026-08-31 → 2026-11-08 · 2 obs

● 2026-08-31 13:13:54
● 2026-11-08 22:28:38

●A2a07:7800::1732026-08-31 → 2026-11-08 · 2 obs

● 2026-08-31 13:13:54
● 2026-11-08 22:28:38

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
firstdevelopmentresources.com	ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com	-

✅ Authoritative Response

Server:35.197.225.59

NS records: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com, ns4.stackdns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstdevelopmentresources.com (unsigned zone)

⏱️ Timing

Total: 514ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`185.151.30.173`
AAAA	1	`2a07:7800::173`
NS	4	`ns3.stackdns.com, ns4.stackdns.com...`
MX	1	`firstdevelopmentresources-com.mail.prote`
TXT	2	`MS=ms16643430, v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns1.stackdns.com hostmaster.stackdns.com`

Analysis

IP Addresses

firstdevelopmentresources.com has two IP addresses: 185.151.30.173 and 2a07:7800::173

leo-click.com, stevetrumancleaningservices.co.uk, madeforsunday.co.uk plus two other host names have IP numbers in common with firstdevelopmentresources.com.

Name Servers

Four name servers handle the delegation for firstdevelopmentresources.com: ns1.stackdns.com, ns2.stackdns.com, ns3.stackdns.com and ns4.stackdns.com.

At least some of firstdevelopmentresources.com's name servers are shared with other domains, for example radiowimborne.co.uk, citizen-ship.com, shotfieldmedicalpractice.co.uk and two more.

Four host names, each with one IP address: ns1.stackdns.com has 35.197.225.59, ns2.stackdns.com has 146.148.28.88, ns3.stackdns.com has 35.198.79.191 and ns4.stackdns.com has 104.196.137.209.

Mail Servers

firstdevelopmentresources.com uses one mail server — firstdevelopmentresources-com.mail.protection.outlook.com.

firstdevelopmentresources-com.mail.protection.outlook.com has 8 IP addresses: 52.101.89.0, 52.101.89.18, 52.101.99.0 plus 5 more.

firstdevelopmentresources.com - robtex.com