sofistic.cz - dns.ninja

`sofistic.cz`

DNSSEC	🔒 Signed (DS record present)
A	2a00:4b40:aaaa:2011::5^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
A	37.9.175.212^{🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24}
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`
MX	`mailin1.sofistic.cz` ⭐
		A	2a00:4b40:aaaa:2101:45:13:137:113^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx10.websupport.hu`
		A	45.13.137.110^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u6-mx.websupport.sk`
MX	`mailin2.sofistic.cz`⁽¹⁰⁰⁾
		A	2a00:4b40:aaaa:2101:45:13:137:104^{🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32}
			PTR	`mx20.websupport.cz`
		A	45.13.137.111^{🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24}
			PTR	`m1-u7-mx.websupport.sk`
SOA	`ns1.websupport.cz`admin@websupport.cz serial=1763163598

`cz`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.ns.nic.cz` ⭐
	NS	`b.ns.nic.cz`
	NS	`c.ns.nic.cz`
	NS	`d.ns.nic.cz`
	SOA	`a.ns.nic.cz`hostmaster@nic.cz serial=1783856838

Subdomains

mailin2.sofistic.cz

mailin1.sofistic.cz

www.sofistic.cz

Same first word

sofistic.net

sofistic.cz

sofistic.es

sofistic.com

sofistic.co.il

sofistic.co

Similar names

siicsoft.com

sciisoft.com

DNS History

17 records (7 active, 10 former)

○NSalfa.ns.active24.cz2015-07-23 → 2021-10-07 · 4 obs

● 2015-07-23 03:10:06
● 2021-10-07 16:05:38
○ 2026-03-24 23:51:58
○ 2026-07-12 12:12:28

○NSbeta.ns.active24.cz2015-07-23 → 2021-10-07 · 4 obs

● 2015-07-23 03:10:06
● 2021-10-07 16:05:38
○ 2026-03-24 23:51:58
○ 2026-07-12 12:12:28

○NSgama.ns.active24.sk2015-07-23 → 2021-10-07 · 4 obs

● 2015-07-23 03:10:06
● 2021-10-07 16:05:38
○ 2026-03-24 23:51:58
○ 2026-07-12 12:12:28

○NSns.servery.cz2015-07-23 → 2021-10-07 · 4 obs

● 2015-07-23 03:10:06
● 2021-10-07 16:05:38
○ 2026-03-24 23:51:58
○ 2026-07-12 12:12:28

●NSns1.websupport.cz2026-03-24 → 2026-07-12 · 3 obs

○ 2021-10-07 16:05:38
● 2026-03-24 23:51:58
● 2026-07-12 12:12:28

●NSns2.websupport.cz2026-03-24 → 2026-07-12 · 3 obs

○ 2021-10-07 16:05:38
● 2026-03-24 23:51:58
● 2026-07-12 12:12:28

●NSns3.websupport.eu2026-03-24 → 2026-07-12 · 3 obs

○ 2021-10-07 16:05:38
● 2026-03-24 23:51:58
● 2026-07-12 12:12:28

○MXin.smtp.cz2015-07-23 → 2016-07-09 · 4 obs

● 2015-07-23 03:10:06
● 2016-07-09 08:12:26
○ 2017-03-23 23:07:28
○ 2026-07-12 12:12:28

●MXmailin1.sofistic.cz2026-03-24 → 2026-07-12 · 3 obs

○ 2021-10-07 16:05:38
● 2026-03-24 23:51:58
● 2026-07-12 12:12:28

●MXmailin2.sofistic.cz2026-03-24 → 2026-07-12 · 3 obs

○ 2021-10-07 16:05:38
● 2026-03-24 23:51:58
● 2026-07-12 12:12:28

○MXmx.smtp.cz2015-07-23 → 2016-07-09 · 4 obs

● 2015-07-23 03:10:06
● 2016-07-09 08:12:26
○ 2017-03-23 23:07:28
○ 2026-07-12 12:12:28

○MXmx1.active24.com2017-03-23 → 2021-10-07 · 5 obs

○ 2016-07-09 08:12:26
● 2017-03-23 23:07:28
● 2021-10-07 16:05:38
○ 2026-03-24 23:51:58
○ 2026-07-12 12:12:28

○MXmx2.active24.com2017-03-23 → 2021-10-07 · 5 obs

○ 2016-07-09 08:12:26
● 2017-03-23 23:07:28
● 2021-10-07 16:05:38
○ 2026-03-24 23:51:58
○ 2026-07-12 12:12:28

●A2a00:4b40:aaaa:2011::52026-03-24 → 2026-07-12 · 3 obs

○ 2021-10-07 16:05:38
● 2026-03-24 23:51:58
● 2026-07-12 12:12:28

○A2a02:4a8:ac24:102::96:752015-07-23 → 2021-10-07 · 4 obs

● 2015-07-23 03:10:06
● 2021-10-07 16:05:38
○ 2026-03-24 23:51:58
○ 2026-07-12 12:12:28

●A37.9.175.2122026-03-24 → 2026-07-12 · 3 obs

○ 2021-10-07 16:05:38
● 2026-03-24 23:51:58
● 2026-07-12 12:12:28

○A81.95.96.752015-07-23 → 2021-10-07 · 4 obs

● 2015-07-23 03:10:06
● 2021-10-07 16:05:38
○ 2026-03-24 23:51:58
○ 2026-07-12 12:12:28

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
cz	a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz	8 records
sofistic.cz	ns1.websupport.cz, ns2.websupport.cz, ns3.websupport.eu	-

✅ Authoritative Response

Server:45.10.97.11

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: 1422ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`37.9.175.212`
AAAA	1	`2a00:4b40:aaaa:2011::5`
NS	3	`ns1.websupport.cz, ns2.websupport.cz...`
MX	2	`mailin1.sofistic.cz (pri: 10), mailin2.sofistic.cz (pri: 100)`
SOA	1	`ns1.websupport.cz admin.websupport.cz`

📌 Glue Records Collected

Total: 8

In-bailiwick: 8 (a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz...)

Analysis

Hierarchy

sofistic.cz sits above mailin2.sofistic.cz, mailin1.sofistic.cz and www.sofistic.cz in the domain hierarchy.

IP Addresses

sofistic.cz has two IP addresses: 37.9.175.212 and 2a00:4b40:aaaa:2011::5

Among the host names that share IP numbers with sofistic.cz are ekologickesluzby.cz, procafe.cz, froglet.cz and two others.

Name Servers

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

There is at least partial name server overlap between sofistic.cz and other domains — smlouvy.info, nemosnet.cz, kkhlucin.cz and two more among them.

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.

Mail Servers

The MX records for sofistic.cz point to two mail servers: mailin1.sofistic.cz and mailin2.sofistic.cz.

mailin1.sofistic.cz and mailin2.sofistic.cz each resolve to two IP addresses: mailin1.sofistic.cz points to 45.13.137.110 and 2a00:4b40:aaaa:2101:45:13:137:113, while mailin2.sofistic.cz points to 45.13.137.111 and 2a00:4b40:aaaa:2101:45:13:137:104.