smtp.onecode.cz - dns.ninja

`smtp.onecode.cz`

DNSSEC	⚠️ Not signed
A	37.9.175.163^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
		PTR	`ing.r3.websupport.sk`

`onecode.cz`

	DNSSEC	🔒 Signed (DS record present)
	A	37.9.175.163^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
	NS	`ns1.websupport.cz` ⭐
	NS	`ns2.websupport.cz`
	NS	`ns3.websupport.eu`
	SOA	`ns1.websupport.cz`admin@websupport.sk serial=1783156292

Previously MX for

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DNS History

2 records (1 active, 1 former)

●A37.9.175.1632026-07-26 → 2026-07-26 · 2 obs

○ 2016-05-29 23:40:38
● 2026-07-26 23:21:34

○A82.208.41.182015-06-21 → 2016-05-29 · 3 obs

● 2015-06-21 05:18:56
● 2016-05-29 23:40:38
○ 2026-07-26 23:21:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	-
onecode.cz	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.13

NS records: ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 935ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.163`

Analysis

IP Addresses

smtp.onecode.cz has exactly one IP address — 37.9.175.163.

satra.mobi, hotelpancir.cz, promotic.cz plus two other host names have IP numbers in common with smtp.onecode.cz.