nadacersj.com - robtex.com
nadacersj.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 37.235.102.144🇨🇿 SuperNetwork37.235.96.0/20 s.r.o. | ||||||
| PTR | sin09.vas-server.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 | ||||||
| MX | mailin1.nadacersj.com ⭐ | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:104🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| PTR | mx20.websupport.cz | ||||||
| A | 45.13.137.9🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24 | ||||||
| PTR | m1-u7-mx.websupport.sk | ||||||
| MX | mailin2.nadacersj.com(100) | ||||||
| A | 2a00:4b40:aaaa:2101:45:13:137:7🇸🇰 WEBSUPPORT-SRO-SK-AS2a00:4b40::/32 | ||||||
| PTR | m1-u5-mx.websupport.sk | ||||||
| A | 45.13.137.114🇸🇰 WEBSUPPORT-SRO-SK-AS45.13.137.0/24 | ||||||
| PTR | m1-u7-mx.websupport.hu | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1776600643 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1777429021 | ||||||
Subdomains
Same first word
nadacersj.cz |
nadacersj.com |
Similar names
DNS History
10 records (6 active, 4 former)
○NSalfa.ns.active24.cz2015-05-21 → 2017-12-27 · 4 obs
● 2017-12-27 01:53:48
○ 2026-03-26 02:39:30
○ 2026-04-29 02:31:44
○NSbeta.ns.active24.cz2015-05-21 → 2017-12-27 · 4 obs
● 2017-12-27 01:53:48
○ 2026-03-26 02:39:30
○ 2026-04-29 02:31:44
○NSgama.ns.active24.sk2015-05-21 → 2017-12-27 · 4 obs
● 2017-12-27 01:53:48
○ 2026-03-26 02:39:30
○ 2026-04-29 02:31:44
●NSns1.websupport.cz2026-03-26 → 2026-04-29 · 3 obs
● 2026-03-26 02:39:30
● 2026-04-29 02:31:44
●NSns2.websupport.cz2026-03-26 → 2026-04-29 · 3 obs
● 2026-03-26 02:39:30
● 2026-04-29 02:31:44
●NSns3.websupport.eu2026-03-26 → 2026-04-29 · 3 obs
● 2026-03-26 02:39:30
● 2026-04-29 02:31:44
●MXmailin1.nadacersj.com2026-03-26 → 2026-04-29 · 2 obs
● 2026-04-29 02:31:44
●MXmailin2.nadacersj.com2026-03-26 → 2026-04-29 · 2 obs
● 2026-04-29 02:31:44
●A37.235.102.1442026-03-26 → 2026-04-29 · 3 obs
● 2026-03-26 02:39:30
● 2026-04-29 02:31:44
○A81.95.96.292015-05-21 → 2016-05-06 · 4 obs
● 2016-05-06 21:48:24
○ 2017-01-08 00:59:22
○ 2026-04-29 02:31:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, d.gtld-servers.net, e.gtld-servers.net, f.gtld-servers.net... | - |
| nadacersj.com | 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: 453ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.235.102.144 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 2 | mailin1.nadacersj.com (pri: 10), mailin2.nadacersj.com (pri: 100) |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
Hierarchy
nadacersj.com is parent of mailin1.nadacersj.com and mailin2.nadacersj.com.
IP Addresses
nadacersj.com points to a single IP: 37.235.102.144.
Other host names, for instance banimpex.cz, judd.cz, aguas.cz, krinnersolar.cz and hellada.cz share IP numbers with nadacersj.com.
Name Servers
nadacersj.com is delegated to three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
nadacersj.com at least partially shares its name servers with other domains, for instance dorken.sk, betcooperation.com, guidevision.de, rsscz.cz and pagodanj.cz.
Host names with two IP numbers:
ns1.websupport.cz points to: 2a10:bbc0::11 and 45.10.97.11.
ns2.websupport.cz points to: 2a02:250:3::12 and 185.71.159.12.
ns3.websupport.eu points to: 2a10:bbc0::13 and 45.10.97.13.
Mail Servers
Two mail servers mailin1.nadacersj.com and mailin2.nadacersj.com handle nadacersj.com.
Host names with two IP numbers: mailin1.nadacersj.com points to 2a00:4b40:aaaa:2101:45:13:137:104 and 45.13.137.9; mailin2.nadacersj.com points to 2a00:4b40:aaaa:2101:45:13:137:7 and 45.13.137.114