mail.sofcom.cz - dns.ninja

`mail.sofcom.cz`

DNSSEC	⚠️ Not signed
A	78.141.227.75^{🇬🇧 AS-VULTR78.141.224.0/19 Vultr Assigned Prefix}
		PTR	`78.141.227.75.vultrusercontent.com`
NS	`ns.parktons.com` ⭐
		A	46.8.8.88^{🇨🇿 GRANSY46.8.8.0/24}
NS	`alpha1.rdrhost.com` ⚠️ Not in parent delegation
		A	136.244.78.5^{🇬🇧 AS-VULTR136.244.64.0/20 Vultr Assigned Prefix}
			PTR	`136.244.78.5.vultrusercontent.com`
NS	`alpha2.rdrhost.com` ⚠️ Not in parent delegation
		A	78.141.227.75^{🇬🇧 AS-VULTR78.141.224.0/19 Vultr Assigned Prefix}
			PTR	`78.141.227.75.vultrusercontent.com`
MX	`mail.parktons.com` ⭐
		A	155.138.212.151^{🇺🇸 AS-VULTR155.138.192.0/19 Vultr Assigned Prefix}
			PTR	`155-138-212-151.lum-int.io`
SOA	`ns.parktons.com`root@parktons.com serial=2617179285

`sofcom.cz`

	DNSSEC	⚠️ Not signed
	A	78.141.227.75^{🇬🇧 AS-VULTR78.141.224.0/19 Vultr Assigned Prefix}
	NS	`ns.parktons.com` ⭐
	NS	`alpha1.rdrhost.com`
	NS	`alpha2.rdrhost.com`
	MX	`mail.parktons.com` ⭐
	SOA	`ns.parktons.com`root@parktons.com serial=2617179285

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DNS History

5 records (5 active, 0 former)

●NSalpha1.rdrhost.com2026-03-07 → 2026-06-08 · 2 obs

● 2026-03-07 19:29:26
● 2026-06-08 12:42:42

●NSalpha2.rdrhost.com2026-03-07 → 2026-06-08 · 2 obs

● 2026-03-07 19:29:26
● 2026-06-08 12:42:42

●NSns.parktons.com2026-03-07 → 2026-06-08 · 2 obs

● 2026-03-07 19:29:26
● 2026-06-08 12:42:42

●MXmail.parktons.com2026-03-07 → 2026-06-08 · 2 obs

● 2026-03-07 19:29:26
● 2026-06-08 12:42:42

●A78.141.227.752026-03-07 → 2026-06-08 · 2 obs

● 2026-03-07 19:29:26
● 2026-06-08 12:42:42

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz, c.ns.nic.cz	-
sofcom.cz	alpha1.rdrhost.com, alpha2.rdrhost.com	-

✅ Authoritative Response

Server:136.244.78.5

NS records: alpha1.rdrhost.com, alpha2.rdrhost.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sofcom.cz (unsigned zone)

⏱️ Timing

Total: 672ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`78.141.227.75`
NS	2	`alpha1.rdrhost.com, alpha2.rdrhost.com`
MX	1	`mail.parktons.com (pri: 10)`
SOA	1	`ns.parktons.com root.parktons.com`

Analysis

IP Addresses

mail.sofcom.cz directs to one IP number, which is 78.141.227.75.

Among the host names that share IP numbers with mail.sofcom.cz are elektros130.scnet.cz, fotokasak.cz, elektros75.scnet.cz and two others.

Name Servers

The authoritative name servers for mail.sofcom.cz are ns.parktons.com, alpha1.rdrhost.com and alpha2.rdrhost.com — three in total.

At least some of mail.sofcom.cz's name servers are shared with other domains, for example blueair.cz, smartik.cz, www.ww82.portalzacarias.com and two more.

These name servers tend to be used together with beta1.rdrhost.com, beta2.rdrhost.com, ns2.parktons.com and four additional name servers.

The hostnames ns.parktons.com, alpha1.rdrhost.com and alpha2.rdrhost.com each resolve to a single IP: ns.parktons.com → 46.8.8.88, alpha1.rdrhost.com → 136.244.78.5, alpha2.rdrhost.com → 78.141.227.75.

Mail Servers

mail.sofcom.cz routes its mail through a single mail server, mail.parktons.com.

mail.sofcom.cz has the same mail server arrangement as a number of other domains, for example prazskenemovitosti.cz, letov.cz, mail.e2.cz and two more.

mail.parktons.com directs to just one IP number, 155.138.212.151.