`mail.firstman.co`

DNSSEC	⚠️ Not signed
A	135.181.230.147^{🇫🇮 Hetzner135.181.0.0/16 HETZNER-DC}
		PTR	`s01.lunaservers.xyz`

`firstman.co`

DNSSEC	⚠️ Not signed
A	2606:4700:3033::ac43:80ab^{🇺🇸 Cloudflare2606:4700:3033::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3036::6815:224^{🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.2.36^{Cloudflare104.21.0.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.128.171^{🇺🇸 Cloudflare172.67.128.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`koa.ns.cloudflare.com` ⭐
NS	`luciana.ns.cloudflare.com`
MX	`mail.firstman.co` ⭐
TXT	`v=spf1 +a +mx +ip4:176.9.139.123 ~all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4 hints	104.21.2.36, 172.67.128.171
		IPv6 hints	2606:4700:3033::ac43:80ab, 2606:4700:3036::6815:224
		ECH	X25519, HKDF-SHA256 + AES-128-GCM draft, id=37, name=cloudflare-ech.com
SOA	`koa.ns.cloudflare.com`dns@cloudflare.com serial=2400199777

MX for

firstman.co

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DNS History

1 record (1 active, 0 former)

●A135.181.230.1472026-03-16 → 2026-04-25 · 2 obs

● 2026-03-16 06:42:52
● 2026-04-25 01:02:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
co	d.registrydns.co, a.registrydns.co, b.registrydns.co, c.registrydns.co	-
firstman.co	koa.ns.cloudflare.com, luciana.ns.cloudflare.com	-

✅ Authoritative Response

Server:172.64.34.131

NS records: koa.ns.cloudflare.com, luciana.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstman.co (unsigned zone)

⏱️ Timing

Total: 290ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`135.181.230.147`

Analysis

Mail Server Role

mail.firstman.co serves as the mail server for firstman.co.

IP Addresses

mail.firstman.co resolves to a single IP address: 135.181.230.147.

Other host names such as s01.lunaservers.xyz, graficmaster.com and equidogkine.com share IP numbers with mail.firstman.co.

mail.firstman.co - robtex.com

mail.firstman.co

firstman.co