🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`firstcomsystem.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3030::ac43:8b50^{🇺🇸 Cloudflare2606:4700:3030::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3032::6815:26d7^{🇺🇸 Cloudflare2606:4700:3032::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.38.215^{Cloudflare104.21.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.139.80^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`agustin.ns.cloudflare.com` ⭐
		A	2606:4700:58::a29f:2c5a^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`agustin.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c35a^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`agustin.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:235a^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`agustin.ns.cloudflare.com`
		A	108.162.195.90^{🇺🇸 Cloudflare108.162.195.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`agustin.ns.cloudflare.com`
		A	162.159.44.90^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`agustin.ns.cloudflare.com`
		A	172.64.35.90^{🇺🇸 Cloudflare172.64.35.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`agustin.ns.cloudflare.com`
NS	`melina.ns.cloudflare.com`
		A	2606:4700:50::a29f:26b8^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melina.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b8^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`melina.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b8^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`melina.ns.cloudflare.com`
		A	108.162.194.184^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melina.ns.cloudflare.com`
		A	162.159.38.184^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melina.ns.cloudflare.com`
		A	172.64.34.184^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`melina.ns.cloudflare.com`
MX	`firstcomsystem-com.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:cc2c::^{🇮🇳 Microsoft2a01:111:f000::/36}
			PTR	`mail-ma0pr01cu01000.inbound.protection.outlook.com`
		A	2a01:111:f403:cc2c::1^{🇮🇳 Microsoft2a01:111:f000::/36}
			PTR	`mail-ma0pr01cu01101.inbound.protection.outlook.com`
		A	2a01:111:f403:cc2d::^{🇮🇳 Microsoft2a01:111:f000::/36}
			PTR	`mail-pnzpr01cu00200.inbound.protection.outlook.com`
		A	2a01:111:f403:cc2d::4^{🇮🇳 Microsoft2a01:111:f000::/36}
			PTR	`mail-pn3pr01cu01304.inbound.protection.outlook.com`
		A	52.101.144.0^{🇮🇳 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-ma0pr01cu01000.inbound.protection.outlook.com`
		A	52.101.145.0^{🇮🇳 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-pnzpr01cu00200.inbound.protection.outlook.com`
		A	52.101.145.2^{🇮🇳 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-pnypr01cu00202.inbound.protection.outlook.com`
		A	52.101.145.76^{🇮🇳 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-pn3pr01cu01304.inbound.protection.outlook.com`
TXT	`MS=ms51274700`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.38.215, 172.67.139.80
		IPv6 hints	2606:4700:3030::ac43:8b50, 2606:4700:3032::6815:26d7
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=250, name=cloudflare-ech.com
SOA	`agustin.ns.cloudflare.com`dns@cloudflare.com serial=2419582933

`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=1794276576

Same first word

firstcomsystem.com

Similar names

tfmicrosystems.de

Previous names

Next names

DNS History

7 records (7 active, 0 former)

●NSagustin.ns.cloudflare.com2026-08-25 → 2026-11-10 · 2 obs

● 2026-08-25 07:18:32
● 2026-11-10 02:19:02

●NSmelina.ns.cloudflare.com2026-08-25 → 2026-11-10 · 2 obs

● 2026-08-25 07:18:32
● 2026-11-10 02:19:02

●MXfirstcomsystem-com.mail.protection.outlook.com2026-08-25 → 2026-11-10 · 2 obs

● 2026-08-25 07:18:32
● 2026-11-10 02:19:02

●A104.21.38.2152026-08-25 → 2026-11-10 · 2 obs

● 2026-08-25 07:18:32
● 2026-11-10 02:19:02

●A172.67.139.802026-08-25 → 2026-11-10 · 2 obs

● 2026-08-25 07:18:32
● 2026-11-10 02:19:02

●A2606:4700:3030::ac43:8b502026-08-25 → 2026-11-10 · 2 obs

● 2026-08-25 07:18:32
● 2026-11-10 02:19:02

●A2606:4700:3032::6815:26d72026-08-25 → 2026-11-10 · 2 obs

● 2026-08-25 07:18:32
● 2026-11-10 02:19:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	h.gtld-servers.net, g.gtld-servers.net, l.gtld-servers.net, e.gtld-servers.net...	-
firstcomsystem.com	melina.ns.cloudflare.com, agustin.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.184

NS records: melina.ns.cloudflare.com, agustin.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstcomsystem.com (unsigned zone)

⏱️ Timing

Total: 193ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`172.67.139.80, 104.21.38.215`
AAAA	2	`2606:4700:3032::6815:26d7, 2606:4700:3030::ac43:8b50`
NS	2	`agustin.ns.cloudflare.com, melina.ns.cloudflare.com`
MX	1	`firstcomsystem-com.mail.protection.outlo`
TXT	2	`MS=ms51274700, v=spf1 include:spf.protection.outlook.co`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`agustin.ns.cloudflare.com dns.cloudflare`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (melina.ns.cloudflare.com, melina.ns.cloudflare.com, melina.ns.cloudflare.com...)

Analysis

IP Addresses

firstcomsystem.com points to the four IP addresses 104.21.38.215, 172.67.139.80, 2606:4700:3030::ac43:8b50 and 2606:4700:3032::6815:26d7.

Two other host names, along with geniusinyourovitt.com, tripletecnologia.com and hogroastgrays.co.uk, also share IP numbers with firstcomsystem.com.

Name Servers

firstcomsystem.com is delegated to two name servers: agustin.ns.cloudflare.com and melina.ns.cloudflare.com.

firstcomsystem.com shares its NS records with other domains, for example rypddwybqjlp.pages.dev, esairecruiterhq.com, n4in7m23fljs.workers.dev and two others.

There is at least partial name server overlap between firstcomsystem.com and other domains — wispy-moon-a98f.workers.dev, ahmed-azmizem.workers.dev, interactclubchapecoense.org.br and two more among them.

These name servers frequently co-occur with the name servers savanna.ns.cloudflare.com and max.ns.cloudflare.com.

DNS names with 6 IP addresses:

agustin.ns.cloudflare.com resolves to 108.162.195.90, 162.159.44.90, 172.64.35.90 and 3 other IP addresses.

melina.ns.cloudflare.com resolves to 108.162.194.184, 162.159.38.184, 172.64.34.184 and 3 other IP addresses.

Mail Servers

The sole mail server for firstcomsystem.com is firstcomsystem-com.mail.protection.outlook.com.

With 8 IP addresses total, firstcomsystem-com.mail.protection.outlook.com resolves to 52.101.144.0, 52.101.145.0, 52.101.145.2 and 5 others.

firstcomsystem.com - robtex.com