sinorg.com - robtex.com
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 | ||||||
| PTR | 82-208-31-205.wia.cz | ||||||
| TXT | v=spf1 mx include:_spf.postovniserver.cz -all | ||||||
| SOA | ns1.websupport.czadmin@websupport.cz serial=1783030779 | ||||||
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=1783466376 | ||||||
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
○ 2026-07-07 23:25:18
○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
○ 2026-07-07 23:25:18
○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
○ 2026-07-07 23:25:18
○NSns1.dsredirection.com2007-10-22 → 2007-10-22 · 3 obs
○ 2015-07-04 04:14:10
○ 2026-07-07 23:25:18
●NSns1.websupport.cz2026-02-25 → 2026-07-07 · 3 obs
● 2026-02-25 15:03:02
● 2026-07-07 23:25:18
○NSns2.dsredirection.com2007-10-22 → 2007-10-22 · 3 obs
○ 2015-07-04 04:14:10
○ 2026-07-07 23:25:18
●NSns2.websupport.cz2026-02-25 → 2026-07-07 · 3 obs
● 2026-02-25 15:03:02
● 2026-07-07 23:25:18
●NSns3.websupport.eu2026-02-25 → 2026-07-07 · 3 obs
● 2026-02-25 15:03:02
● 2026-07-07 23:25:18
○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
○ 2026-07-07 23:25:18
●MXmx1.postovniserver.cz2026-02-25 → 2026-07-07 · 3 obs
● 2026-02-25 15:03:02
● 2026-07-07 23:25:18
●MXmx2.postovniserver.cz2026-02-25 → 2026-07-07 · 3 obs
● 2026-02-25 15:03:02
● 2026-07-07 23:25:18
○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
○ 2026-07-07 23:25:18
○A208.73.212.122007-10-22 → 2007-10-22 · 3 obs
○ 2015-07-04 04:14:10
○ 2026-07-07 23:25:18
●A37.9.175.1642026-02-25 → 2026-07-07 · 3 obs
● 2026-02-25 15:03:02
● 2026-07-07 23:25:18
○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
○ 2026-07-07 23:25:18
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| sinorg.com | 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: 348ms | 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 one IP address: 37.9.175.164.
nowproductions.cz, ns.callandsell.cz, motorline.cz and two other host names share IP numbers with sinorg.com.
Name Servers
sinorg.com is served by three name servers: ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu.
There is at least partial name server overlap between sinorg.com and other domains — readytax.cz, zeotrade.cz, brilant.cz and two more among them.
The hostnames ns1.websupport.cz, ns2.websupport.cz and ns3.websupport.eu each direct to two 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
Mail for sinorg.com is handled by two mail servers — mx1.postovniserver.cz and mx2.postovniserver.cz.
sinorg.com uses an identical mail server configuration to several other domains — among them sinorg.cz, progresin.com, sinux.cloud and two more.
mx1.postovniserver.cz resolves to 51.83.153.84 and 2001:41d0:602:e97:1000:0:153:84. Likewise, mx2.postovniserver.cz resolves to 82.208.31.205 and 2a01:6400:100d:1ec::104 — two IP addresses apiece.