optimalengineering.eu - dns.ninja

`optimalengineering.eu`

DNSSEC	🔒 Signed (DS record present)
A	77.93.204.40^{🇨🇿 MASTER-AS77.93.192.0/19 MASTER-NET-4}
		PTR	`info.web1.prod.hous.prg.mynet.cz`
NS	`ns1.websupport.cz` ⭐
		A	2a10:bbc0::11^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns1.websupport.eu`
		A	45.10.97.11^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns1.websupport.eu`
NS	`ns2.websupport.cz`
		A	2a02:250:3::12^{🇸🇪 ACTIVE24-AS2a02:250:3::/48}
			PTR	`ns2.websupport.eu`
		A	185.71.159.12^{🇸🇪 ACTIVE24-AS185.71.159.0/24}
			PTR	`ns2.websupport.eu`
NS	`ns3.websupport.eu`
		A	2a10:bbc0::13^{🇨🇿 ACTIVE24-AS2a10:bbc0::/32}
			PTR	`ns3.websupport.eu`
		A	45.10.97.13^{🇨🇿 ACTIVE24-AS45.10.97.0/24}
			PTR	`ns3.websupport.eu`
TXT	`v=spf1 a mx include:spf.infonia.com ?all`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1772630967

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1126951904

Same first word

optimalengineering.com

optimalengineering.eu

DNS History

8 records (4 active, 4 former)

○NSalfa.ns.active24.cz2015-05-18 → 2020-01-16 · 4 obs

● 2015-05-18 02:48:26
● 2020-01-16 14:40:06
○ 2026-02-25 05:31:58
○ 2026-08-11 02:54:22

○NSbeta.ns.active24.cz2015-05-18 → 2020-01-16 · 4 obs

● 2015-05-18 02:48:26
● 2020-01-16 14:40:06
○ 2026-02-25 05:31:58
○ 2026-08-11 02:54:22

●NSns1.websupport.cz2026-02-25 → 2026-08-11 · 3 obs

○ 2020-01-16 14:40:06
● 2026-02-25 05:31:58
● 2026-08-11 02:54:22

●NSns2.websupport.cz2026-02-25 → 2026-08-11 · 3 obs

○ 2020-01-16 14:40:06
● 2026-02-25 05:31:58
● 2026-08-11 02:54:22

●NSns3.websupport.eu2026-02-25 → 2026-08-11 · 3 obs

○ 2020-01-16 14:40:06
● 2026-02-25 05:31:58
● 2026-08-11 02:54:22

○A193.179.158.122015-05-18 → 2017-02-08 · 4 obs

● 2015-05-18 02:48:26
● 2017-02-08 07:53:48
○ 2020-01-16 14:40:06
○ 2026-08-11 02:54:22

○A195.122.208.1732020-01-16 → 2026-02-25 · 5 obs

○ 2017-02-08 07:53:48
● 2020-01-16 14:40:06
● 2026-02-25 05:31:58
○ 2026-03-16 18:30:56
○ 2026-08-11 02:54:22

●A77.93.204.402026-03-16 → 2026-08-11 · 3 obs

○ 2026-02-25 05:31:58
● 2026-03-16 18:30:56
● 2026-08-11 02:54:22

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	w.dns.eu, x.dns.eu, y.dns.eu, be.dns.eu...	-
optimalengineering.eu	ns2.websupport.cz, ns1.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:185.71.159.12

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

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1368ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`77.93.204.40`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
TXT	1	`v=spf1 a mx include:spf.infonia.com ?all`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

Analysis

IP Addresses

optimalengineering.eu directs to one IP number, which is 77.93.204.40.

Among the host names that share IP numbers with optimalengineering.eu are zedmiba.org, flymiba.info, livenoage.com and two others.

Name Servers

optimalengineering.eu is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.

optimalengineering.eu partially shares its NS delegation with several other domains, including benemedo.com, t1sec.com, htsmalvern.co.uk and two others.

These name servers regularly co-occur with the name servers ns1.websupport.sk, ns2.websupport.sk and ns3.websupport.sk.

ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu each resolve to two IP addresses: ns1.websupport.cz resolves to 45.10.97.11 and 2a10:bbc0::11; ns2.websupport.cz resolves to 185.71.159.12 and 2a02:250:3::12; ns3.websupport.eu resolves to 45.10.97.13 and 2a10:bbc0::13.