sinorg.com - dns.ninja
sinorg.com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 37.9.175.164🇸🇰 WEBSUPPORT-SRO-SK-AS37.9.175.0/24 | ||||||
| PTR | ing.r3.websupport.sk | ||||||
| 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 | mx1.postovniserver.cz ⭐ | ||||||
| A | 2001:41d0:602:e97:1000:0:153:84🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | mx1.postovniserver.cz | ||||||
| A | 51.83.153.84🇫🇷 OVH51.83.0.0/16 | ||||||
| MX | mx2.postovniserver.cz(20) | ||||||
| A | 2a01:6400:100d:1ec::104🇨🇿 WIA-AS2a01:6400::/32 WIA spol. s r.o. Prague, Czech Republic | ||||||
| A | 82.208.31.205🇨🇿 WIA-AS82.208.30.0/23 CASA to WIA transfer | ||||||
| TXT | v=spf1 mx include:_spf.postovniserver.cz -all | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1777921849 | ||||||
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=1782775701 | ||||||
Same first word
Similar names
DNS History
15 records (6 active, 9 former)
○NSalfa.ns.active24.cz2015-07-04 → 2017-01-18 · 5 obs
● 2015-07-04 04:14:10
● 2017-01-18 12:31:46
○ 2026-02-25 15:03:02
○ 2026-06-29 23:32:16
○NSbeta.ns.active24.cz2015-07-04 → 2017-01-18 · 5 obs
● 2015-07-04 04:14:10
● 2017-01-18 12:31:46
○ 2026-02-25 15:03:02
○ 2026-06-29 23:32:16
○NSgama.ns.active24.sk2015-07-04 → 2017-01-18 · 5 obs
● 2015-07-04 04:14:10
● 2017-01-18 12:31:46
○ 2026-02-25 15:03:02
○ 2026-06-29 23:32:16
○NSns1.dsredirection.com2007-10-22 → 2007-10-22 · 3 obs
○ 2015-07-04 04:14:10
○ 2026-06-29 23:32:16
●NSns1.websupport.cz2026-02-25 → 2026-06-29 · 3 obs
● 2026-02-25 15:03:02
● 2026-06-29 23:32:16
○NSns2.dsredirection.com2007-10-22 → 2007-10-22 · 3 obs
○ 2015-07-04 04:14:10
○ 2026-06-29 23:32:16
●NSns2.websupport.cz2026-02-25 → 2026-06-29 · 3 obs
● 2026-02-25 15:03:02
● 2026-06-29 23:32:16
●NSns3.websupport.eu2026-02-25 → 2026-06-29 · 3 obs
● 2026-02-25 15:03:02
● 2026-06-29 23:32:16
○MXmail.postovniserver.cz2015-07-04 → 2017-01-18 · 5 obs
● 2015-07-04 04:14:10
● 2017-01-18 12:31:46
○ 2026-02-25 15:03:02
○ 2026-06-29 23:32:16
●MXmx1.postovniserver.cz2026-02-25 → 2026-06-29 · 3 obs
● 2026-02-25 15:03:02
● 2026-06-29 23:32:16
●MXmx2.postovniserver.cz2026-02-25 → 2026-06-29 · 3 obs
● 2026-02-25 15:03:02
● 2026-06-29 23:32:16
○MXrobinzon.postovniserver.cz2015-07-04 → 2017-01-18 · 5 obs
● 2015-07-04 04:14:10
● 2017-01-18 12:31:46
○ 2026-02-25 15:03:02
○ 2026-06-29 23:32:16
○A208.73.212.122007-10-22 → 2007-10-22 · 3 obs
○ 2015-07-04 04:14:10
○ 2026-06-29 23:32:16
●A37.9.175.1642026-02-25 → 2026-06-29 · 3 obs
● 2026-02-25 15:03:02
● 2026-06-29 23:32:16
○A81.95.96.292015-07-04 → 2017-01-18 · 5 obs
● 2015-07-04 04:14:10
● 2017-01-18 12:31:46
○ 2026-02-25 15:03:02
○ 2026-06-29 23:32:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | g.gtld-servers.net, h.gtld-servers.net, i.gtld-servers.net, j.gtld-servers.net... | - |
| sinorg.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: 754ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 37.9.175.164 |
| NS | 3 | ns1.websupport.cz, ns2.websupport.cz... |
| MX | 2 | mx1.postovniserver.cz (pri: 10), mx2.postovniserver.cz (pri: 20) |
| TXT | 1 | v=spf1 mx include:_spf.postovniserver.cz |
| SOA | 1 | ns1.websupport.cz admin.websupport.cz |
Analysis
IP Addresses
sinorg.com resolves to just one IP address, 37.9.175.164.
Two other host names, along with nowproductions.cz, ns.callandsell.cz and motorline.cz, also share IP numbers with sinorg.com.
Name Servers
sinorg.com carries NS records delegating to ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
sinorg.com has at least partial name server overlap with other domains, such as readytax.cz, zeotrade.cz, brilant.cz and two others.
ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu are three hostnames that each resolve to a pair of IP addresses: ns1.websupport.cz to 45.10.97.11 and 2a10:bbc0::11, ns2.websupport.cz to 185.71.159.12 and 2a02:250:3::12, and ns3.websupport.eu to 45.10.97.13 and 2a10:bbc0::13.
Mail Servers
sinorg.com is served by two mail servers, mx1.postovniserver.cz and mx2.postovniserver.cz.
Among the domains sharing a mail server setup with sinorg.com are sinorg.cz, progresin.com, sinux.cloud and two others.
mx1.postovniserver.cz and mx2.postovniserver.cz both carry two IP addresses. The A records for mx1.postovniserver.cz are 51.83.153.84 and 2001:41d0:602:e97:1000:0:153:84; the A records for mx2.postovniserver.cz are 82.208.31.205 and 2a01:6400:100d:1ec::104.