`smtp.plainmountain.com`

CNAME	`plainmountain.com`
DNSSEC	🔒 Signed (DS record present)
A	81.2.196.19^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
		PTR	`19.196.forpsi.net`
NS	`ns.forpsi.net` ⭐
		A	2001:15e8:101:1::c282^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`ns.forpsi.net`
		A	81.2.194.130^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
			PTR	`ns.forpsi.net`
NS	`ns.forpsi.cz`
		A	2001:15e8:201:1::d1b9^{🇨🇿 INTERNET-CZ2001:15e8::/32}
			PTR	`ns.forpsi.cz`
		A	81.2.209.185^{🇨🇿 INTERNET-CZ81.2.209.0/24}
			PTR	`ns.forpsi.cz`
NS	`ns.forpsi.it`
		A	2a00:6d41:2:1::5^{🇮🇹 ARUBA-ASN2a00:6d41::/32 Aruba S.p.A. IPv6 Network}
			PTR	`ns.forpsi.it`
		A	95.110.254.165^{🇮🇹 ARUBA-ASN95.110.192.0/18 Aruba S.p.A. Network}
			PTR	`host165-254-110-95.serverdedicati.aruba.it`
SOA	`ns.forpsi.net`admin@forpsi.com 2026-05-09 #1

`plainmountain.com`

	DNSSEC	🔒 Signed (DS record present)
	A	81.2.196.19^{🇨🇿 INTERNET-CZ81.2.192.0/18 INTERNET CZ, a.s.}
	NS	`ns.forpsi.net` ⭐
	NS	`ns.forpsi.cz`
	NS	`ns.forpsi.it`
	SOA	`ns.forpsi.net`admin@forpsi.com 2026-05-09 #1

PTR for

100.31.2.185.in-addr.arpa

Same first word

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🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
plainmountain.com	ns.forpsi.net, ns.forpsi.cz, ns.forpsi.it	-

✅ Authoritative Response

Server:81.2.209.185

NS records: ns.forpsi.net, ns.forpsi.cz, ns.forpsi.it

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1255ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`plainmountain.com`

Analysis

IP Addresses

smtp.plainmountain.com points to a single IP number: 81.2.196.19.

other host names for instance bielapani.sk, linkin.cz, 96ix.com, shoptool.org and msrengines.eu share IP numbers with smtp.plainmountain.com.

Name Servers

smtp.plainmountain.com is delegated to three name servers: ns.forpsi.cz, ns.forpsi.it and ns.forpsi.net.

smtp.plainmountain.com at least partially shares name servers with other domains, for instance crkva.cz, racetime.cz, cameatechnology.com, fcloud.hu and ush.cz.

These name servers are commonly used with the name servers ns.forpsi.us.

Host names with two IP numbers:

Host ns.forpsi.cz points to 2001:15e8:201:1::d1b9 and 81.2.209.185.

Host ns.forpsi.it points to 2a00:6d41:2:1::5 and 95.110.254.165.

Host ns.forpsi.net points to 2001:15e8:101:1::c282 and 81.2.194.130.

smtp.plainmountain.com - robtex.com