erwe.cz - robtex.com
erwe.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.175.85.9🇨🇿 Fortion185.175.84.0/22 | ||||||
| PTR | zoe.fortion.net | ||||||
| NS | ns.fortion.cz ⭐ | ||||||
| A | 2a0b:df00:1:1044::7🇨🇿 Fortion2a0b:df00::/32 | ||||||
| A | 185.175.87.7🇨🇿 Fortion185.175.84.0/22 | ||||||
| PTR | ns.fortion.cz | ||||||
| NS | ns.fortion.eu ⚠️ Not in zone NS records | ||||||
| A | 2a01:4f8:1c1a:47d1::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns.fortion.eu | ||||||
| A | 91.99.61.187🇩🇪 Hetzner91.99.0.0/16 HETZNER-DC | ||||||
| PTR | ns.fortion.eu | ||||||
| NS | ns.fortion.net | ||||||
| A | 2a00:fea0:dead::beef🇮🇳 GRANSY2a00:fea0::/32 Anycast DNS project | ||||||
| A | 185.28.194.194🇨🇿 GRANSY185.28.194.0/24 Network of Gransy s.r.o. | ||||||
| PTR | ns2.anycastdns.cz | ||||||
| MX | mx0.fortion.net ⭐ | ||||||
| A | 185.175.87.39🇨🇿 Fortion185.175.84.0/22 | ||||||
| MX | mx1.fortion.net(10) | ||||||
| A | 185.175.87.53🇨🇿 Fortion185.175.84.0/22 | ||||||
| MX | mx2.fortion.net(20) | ||||||
| A | 185.175.87.53🇨🇿 Fortion185.175.84.0/22 | ||||||
| SOA | ns.fortion.czinfo@fortion.cz 2026-04-09 #1 | ||||||
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=1775972834 | ||||||
Same first word
Similar names
DNS History
8 records (7 active, 1 former)
●NSns.fortion.cz2015-08-02 → 2026-04-12 · 2 obs
● 2026-04-12 06:13:48
●NSns.fortion.eu2026-03-26 → 2026-04-12 · 3 obs
● 2026-03-26 15:28:12
● 2026-04-12 06:13:48
●NSns.fortion.net2015-08-02 → 2026-04-12 · 2 obs
● 2026-04-12 06:13:48
●MXmx0.fortion.net2015-08-02 → 2026-04-12 · 2 obs
● 2026-04-12 06:13:48
●MXmx1.fortion.net2015-08-02 → 2026-04-12 · 2 obs
● 2026-04-12 06:13:48
●MXmx2.fortion.net2015-08-02 → 2026-04-12 · 2 obs
● 2026-04-12 06:13:48
●A185.175.85.92017-02-19 → 2026-04-12 · 3 obs
● 2017-02-19 02:02:24
● 2026-04-12 06:13:48
○A89.185.249.92015-08-02 → 2016-07-03 · 4 obs
● 2016-07-03 09:41:04
○ 2017-02-19 02:02:24
○ 2026-04-12 06:13:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | c.ns.nic.cz, b.ns.nic.cz, a.ns.nic.cz, d.ns.nic.cz | - |
| erwe.cz | ns.fortion.cz, ns.fortion.eu, ns.fortion.net | 2 records |
✅ Authoritative Response
Server:91.99.61.187
NS records: ns.fortion.cz, ns.fortion.eu, ns.fortion.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for erwe.cz (unsigned zone)
⏱️ Timing
Total: 998ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.175.85.9 |
| NS | 2 | ns.fortion.net, ns.fortion.cz |
| MX | 3 | mx1.fortion.net (pri: 10), mx2.fortion.net (pri: 20)... |
| SOA | 1 | ns.fortion.cz info.fortion.cz |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.fortion.cz, ns.fortion.cz)
Analysis
IP Addresses
erwe.cz points to a single IP number: 185.175.85.9.
other host names for instance fermenter.net, penzion-hradebni.cz, pilecky.sk, www.modelyletadel.cz and tomanek.cz share IP numbers with erwe.cz.
Name Servers
erwe.cz is delegated to three name servers: ns.fortion.cz, ns.fortion.eu and ns.fortion.net.
erwe.cz at least partially shares name servers with other domains, for instance holzmann-zipper.cz, drakon.cz, ugigantu.cz, ekosta.cz and foff.info.
These name servers are often used with ns2.coolhosting.cz and ns.coolhosting.cz.
Host names with two IP numbers:
Host ns.fortion.cz points to 2a0b:df00:1:1044::7 and 185.175.87.7.
Host ns.fortion.eu points to 2a01:4f8:1c1a:47d1::1 and 91.99.61.187.
Host ns.fortion.net points to 2a00:fea0:dead::beef and 185.28.194.194.
Mail Servers
erwe.cz is handled by three mail servers: mx0.fortion.net, mx1.fortion.net and mx2.fortion.net.
erwe.cz shares mail servers with other domains at least partially, including aleko-cerpadla.cz, shopsklo.cz, armyburza.cz, planka.cz and casod.cz.
Host names with a single IP:
mx0.fortion.net points to 185.175.87.39.
mx1.fortion.net points to 185.175.87.53.
mx2.fortion.net points to 185.175.87.53.
Host names that point to 185.175.87.53: mx1.fortion.net and mx2.fortion.net.