1bow.cz - robtex.com
1bow.cz
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 2a00:19a0:3:7c:0:d9c6:7c69:1🇨🇿 ZONER-AS2a00:19a0::/32 ZONER-IPV6-NET | ||||||
| PTR | zikmund.izon.cz | ||||||
| A | 217.198.124.105🇨🇿 ZONER-AS217.198.112.0/20 ZONER-NET | ||||||
| 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 | 54.187.177.89🇺🇸 Amazon54.186.0.0/15 EC2 PDX prefix | ||||||
| PTR | ec2-54-187-177-89.us-west-2.compute.amazonaws.com | ||||||
| MX | mx2.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 | ||||||
| TXT | v=spf1 a mx ptr include:_spf.web4u.cz ?all | ||||||
| SOA | ns.web4u.czadmin@web4u.cz 2025-04-30 #0 | ||||||
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.czhostmaster@nic.cz serial=1784153839 | ||||||
Same first word
Similar names
DNS History
9 records (6 active, 3 former)
○MXmail.1bow.cz2015-08-09 → 2016-12-30 · 4 obs
● 2016-12-30 02:35:34
○ 2026-05-30 04:59:18
○ 2026-07-15 23:08:06
●MXmx1.mailchannels.net2026-05-30 → 2026-07-15 · 3 obs
● 2026-05-30 04:59:18
● 2026-07-15 23:08:06
●MXmx2.mailchannels.net2026-05-30 → 2026-07-15 · 3 obs
● 2026-05-30 04:59:18
● 2026-07-15 23:08:06
●A217.198.124.1052026-05-30 → 2026-07-15 · 3 obs
● 2026-05-30 04:59:18
● 2026-07-15 23:08:06
●A2a00:19a0:3:7c:0:d9c6:7c69:12026-05-30 → 2026-07-15 · 3 obs
● 2026-05-30 04:59:18
● 2026-07-15 23:08:06
○A81.91.86.102015-08-09 → 2015-12-05 · 4 obs
● 2015-12-05 16:52:10
○ 2016-03-25 09:32:14
○ 2026-07-15 23:08:06
○A81.91.86.112016-03-25 → 2016-12-30 · 5 obs
● 2016-03-25 09:32:14
● 2016-12-30 02:35:34
○ 2026-05-30 04:59:18
○ 2026-07-15 23:08:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | a.ns.nic.cz, b.ns.nic.cz, c.ns.nic.cz, d.ns.nic.cz | - |
| 1bow.cz | ns.web4u.cz, ns2.web4u.cz | 4 records |
✅ Authoritative Response
Server:185.14.224.241
NS records: ns.web4u.cz, ns2.web4u.cz
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1782ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.198.124.105 |
| AAAA | 1 | 2a00:19a0:3:7c:0:d9c6:7c69:1 |
| NS | 2 | ns.web4u.cz, ns2.web4u.cz |
| MX | 2 | mx1.mailchannels.net (pri: 10), mx2.mailchannels.net (pri: 10) |
| TXT | 1 | v=spf1 a mx ptr include:_spf.web4u.cz ?a |
| SOA | 1 | ns.web4u.cz admin.web4u.cz |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns.web4u.cz, ns.web4u.cz, ns2.web4u.cz...)
Analysis
IP Addresses
1bow.cz has two IP addresses: 217.198.124.105 and 2a00:19a0:3:7c:0:d9c6:7c69:1
Two other host names, along with metallkraft.cz, www.bow.sk and mail.holzstar.cz, also share IP numbers with 1bow.cz.
Name Servers
The NS records for 1bow.cz delegate to ns2.web4u.cz and ns.web4u.cz.
1bow.cz shares its NS records with other domains, for example b-plan.cz, agroprodukt.cz, pfmerit.cz and two others.
ns2.web4u.cz resolves to 85.207.53.12 and 2a02:a40:100:28ff::12. Likewise, ns.web4u.cz resolves to 185.14.224.241 and 2001:1568:fd::241 — two IP addresses apiece.
Mail Servers
1bow.cz is served by two mail servers, mx1.mailchannels.net and mx2.mailchannels.net.
Among the domains sharing a mail server setup with 1bow.cz are hunterharp.com, nolensvillevideo.com, disputemediationireland.com and two others.
1bow.cz has mail servers in common with other domains — ardenlid.com being one example.
Both mx1.mailchannels.net and mx2.mailchannels.net have a single IP address each — mx1.mailchannels.net resolves to 54.187.177.89 while mx2.mailchannels.net resolves to 54.69.1.140.