comko.info - dns.ninja
comko.info
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:1568::14🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | php7.web4u.cz | ||||||
| A | 81.91.86.14🇨🇿 WEB4U81.91.80.0/21 | ||||||
| NS | ns2.web4u.cz ⭐ | ||||||
| A | 2a02:a40:100:28ff::12🇨🇿 BlueTone-AS2a02:a40::/32 Ceske Radiokomunikace, a.s. | ||||||
| PTR | ns2.web4u.cz | ||||||
| A | 85.207.53.12🇨🇿 BlueTone-AS85.207.0.0/16 BlueTone-CRa-CZ Fourth address block | ||||||
| PTR | ns2.web4u.cz | ||||||
| NS | ns.web4u.cz | ||||||
| A | 2001:1568:fd::241🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | ns.web4u.cz | ||||||
| A | 185.14.224.241🇨🇿 WEB4U185.14.224.0/23 | ||||||
| PTR | ns.web4u.cz | ||||||
| MX | mx1.mailchannels.net ⭐ | ||||||
| A | 54.69.1.140🇺🇸 Amazon54.68.0.0/15 EC2 PDX Prefix | ||||||
| PTR | ec2-54-69-1-140.us-west-2.compute.amazonaws.com | ||||||
| MX | mx2.mailchannels.net ⭐ | ||||||
| A | 54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-54-187-177-89.us-west-2.compute.amazonaws.com | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-05-09 #0 | ||||||
info
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.info.afilias-nst.info ⭐ | ||||||
| NS | a2.info.afilias-nst.info | ||||||
| NS | b0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | b2.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| NS | c0.info.afilias-nst.info | ||||||
| NS | d0.info.afilias-nst.org ⚠️ Not in parent delegation | ||||||
| SOA | a0.info.afilias-nst.infohostmaster@donuts.email serial=1781666205 | ||||||
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
○MXmail.comko.info2015-08-19 → 2017-06-10 · 4 obs
● 2017-06-10 10:19:08
○ 2026-04-08 10:18:42
○ 2026-06-17 04:12:16
●MXmx1.mailchannels.net2026-04-08 → 2026-06-17 · 3 obs
● 2026-04-08 10:18:42
● 2026-06-17 04:12:16
●MXmx2.mailchannels.net2026-04-08 → 2026-06-17 · 3 obs
● 2026-04-08 10:18:42
● 2026-06-17 04:12:16
●A2001:1568::142026-04-08 → 2026-06-17 · 3 obs
● 2026-04-08 10:18:42
● 2026-06-17 04:12:16
○A81.91.86.112015-08-19 → 2017-06-10 · 4 obs
● 2017-06-10 10:19:08
○ 2026-04-08 10:18:42
○ 2026-06-17 04:12:16
●A81.91.86.142026-04-08 → 2026-06-17 · 3 obs
● 2026-04-08 10:18:42
● 2026-06-17 04:12:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| info | a2.info.afilias-nst.info, a0.info.afilias-nst.info, c0.info.afilias-nst.info | - |
| comko.info | ns.web4u.cz, ns2.web4u.cz | - |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for comko.info (unsigned zone)
⏱️ Timing
Total: 1494ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.14 |
| AAAA | 1 | 2001:1568::14 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 2 | mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10) |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
Analysis
IP Addresses
comko.info resolves to the IP addresses 81.91.86.14 and 2001:1568::14
Additional host names — licensesdirectory.com, mail.servpro.cz, xys.cz and two others — share IP numbers with comko.info.
Name Servers
comko.info uses two name servers for its delegation: ns2.web4u.cz and ns.web4u.cz.
comko.info shares its name server setup with other domains, including autoservisbrno.cz, zahradavkapse.cz, jura-shop.cz and two others.
The two host names ns2.web4u.cz and ns.web4u.cz each have a pair of IP addresses: ns2.web4u.cz has 85.207.53.12 and 2a02:a40:100:28ff::12, and ns.web4u.cz has 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
comko.info has two mail servers: mx1.mailchannels.net and mx2.mailchannels.net.
comko.info shares the same mail server setup as other domains, including alliedmetals.com.ph, mndr.com, peakeonline.com and two others.
comko.info shares mail servers — at least in part — with other domains, including seguridadjyk.com, svenskahudvardskliniken.se, nextfilm.app and two others.
mx1.mailchannels.net directs to 54.69.1.140 and mx2.mailchannels.net directs to 54.187.177.89; each host name points to exactly one IP number.