mail.hash.cz - robtex.com
mail.hash.cz
hash.cz
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:d811🇺🇸 Cloudflare2606:4700:3031::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700:3036::6815:45f5🇺🇸 Cloudflare2606:4700:3036::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.21.69.245Cloudflare104.21.64.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 172.67.216.17🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | bailey.ns.cloudflare.com ⭐ | ||||||
| NS | jason.ns.cloudflare.com | ||||||
| MX | mx.igloonet.cz ⭐ | ||||||
| TXT | v=spf1 include:spf.igloonet.cz -all | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.69.245, 172.67.216.17 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:d811, 2606:4700:3036::6815:45f5 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=17, name=cloudflare-ech.com | ||||||
| SOA | bailey.ns.cloudflare.comdns@cloudflare.com serial=2402670862 | ||||||
WOT: SAFE (60/100)
Same first word
Similar names
DNS History
4 records (2 active, 2 former)
○A212.47.12.62015-08-13 → 2016-09-08 · 4 obs
● 2016-09-08 17:37:08
○ 2026-03-09 16:08:44
○ 2026-04-26 22:37:06
●A93.185.104.332026-03-09 → 2026-04-26 · 3 obs
● 2026-03-09 16:08:44
● 2026-04-26 22:37:06
●CNAMEhash.cz2026-03-09 → 2026-04-26 · 3 obs
● 2026-03-09 16:08:44
● 2026-04-26 22:37:06
○CNAMEmail2.livebox.cz2015-08-13 → 2016-09-08 · 4 obs
● 2016-09-08 17:37:08
○ 2026-03-09 16:08:44
○ 2026-04-26 22:37:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| cz | b.ns.nic.cz, d.ns.nic.cz, a.ns.nic.cz, c.ns.nic.cz | - |
| hash.cz | jason.ns.cloudflare.com, bailey.ns.cloudflare.com | - |
✅ Authoritative Response
Server:108.162.193.179
NS records: jason.ns.cloudflare.com, bailey.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for hash.cz (unsigned zone)
⏱️ Timing
Total: 1088ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 93.185.104.33 |
| CNAME | 1 | hash.cz |
Analysis
IP Addresses
mail.hash.cz refers to four IP numbers: 2606:4700:3031::ac43:d811, 2606:4700:3036::6815:45f5, 104.21.69.245 and 172.67.216.17.
Other host names, for instance lbdgjgn.beer, cnmindonesia.com, man021.net, one2oneworld.org and ahctw.com share IP numbers with mail.hash.cz.
Name Servers
mail.hash.cz's delegation uses two name servers: bailey.ns.cloudflare.com and jason.ns.cloudflare.com.
mail.hash.cz uses the same name server setup as other domains, such as trologic.com, cnx.cz, prestotech.com, rocek.com and dataflow.cz.
mail.hash.cz at least partially shares name servers with other domains, including kelincilaut.com, bbplanet.net, hongduongpho.click, digital247omnix.pics and topescortnews.eu.
These name servers are often used with magdalena.ns.cloudflare.com and bjorn.ns.cloudflare.com.
Host names with six IP numbers:
bailey.ns.cloudflare.com points to 2606:4700:50::a29f:2629, 2803:f800:50::6ca2:c229, 2a06:98c1:50::ac40:2229, 108.162.194.41, 162.159.38.41 and 172.64.34.41.
jason.ns.cloudflare.com points to 2606:4700:58::adf5:3bb3, 2803:f800:50::6ca2:c1b3, 2a06:98c1:50::ac40:21b3, 108.162.193.179, 172.64.33.179 and 173.245.59.179.
Mail Servers
A single mail server handles mail.hash.cz, mx.igloonet.cz.
mail.hash.cz shares the same mail server setup as other domains, for instance kepi.cz, imw.cz, gamemax.cz, logbookie.eu and dyhovanie.sk.
mail.hash.cz shares some mail servers with other domains, for instance e-pneumatiky.cz, e-pneumatiky.sk, pneumatiky.cz and timdruhym.cz.
These mail servers are commonly used with aspmx2.googlemail.com, aspmx3.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.
mx.igloonet.cz maps to four IP numbers: 2a01:ade0:f:1::2a, 185.50.229.190, 185.50.229.193 and 185.50.229.195.