rootan.net - dns.ninja
rootan.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:1568::13🇨🇿 WEB4U2001:1568::/33 | ||||||
| PTR | php56.web4u.cz | ||||||
| A | 81.91.86.13🇨🇿 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 | 54.187.177.89🇺🇸 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 | 54.187.177.89🇺🇸 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 2025-05-05 #0 | ||||||
net
| 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=1786399774 | ||||||
Subdomains
Same first word
rootan.net |
Similar names
DNS History
14 records (6 active, 8 former)
○NSns.pipni.cz2008-01-07 → 2008-01-07 · 3 obs
○ 2015-08-17 19:10:46
○ 2026-08-10 22:32:24
●NSns.web4u.cz2015-08-17 → 2026-08-10 · 3 obs
● 2015-08-17 19:10:46
● 2026-08-10 22:32:24
○NSns2.pipni.cz2008-01-07 → 2008-01-07 · 3 obs
○ 2015-08-17 19:10:46
○ 2026-08-10 22:32:24
●NSns2.web4u.cz2015-08-17 → 2026-08-10 · 3 obs
● 2015-08-17 19:10:46
● 2026-08-10 22:32:24
○MXmail.rootan.net2008-01-07 → 2017-04-04 · 4 obs
● 2017-04-04 08:25:56
○ 2026-02-19 21:47:40
○ 2026-08-10 22:32:24
●MXmx1.mailchannels.net2026-02-19 → 2026-08-10 · 3 obs
● 2026-02-19 21:47:40
● 2026-08-10 22:32:24
●MXmx2.mailchannels.net2026-02-19 → 2026-08-10 · 3 obs
● 2026-02-19 21:47:40
● 2026-08-10 22:32:24
○MXns2.pipni.cz2008-01-07 → 2008-01-07 · 3 obs
○ 2015-08-17 19:10:46
○ 2026-08-10 22:32:24
○A193.86.238.112008-01-07 → 2008-01-07 · 3 obs
○ 2015-08-17 19:10:46
○ 2026-08-10 22:32:24
●A2001:1568::132026-02-19 → 2026-08-10 · 3 obs
● 2026-02-19 21:47:40
● 2026-08-10 22:32:24
○A2001:1568:115::82015-12-15 → 2017-04-04 · 5 obs
● 2015-12-15 03:18:50
● 2017-04-04 08:25:56
○ 2026-02-19 21:47:40
○ 2026-08-10 22:32:24
○A2001:1568:115:a::82015-08-17 → 2015-08-17 · 4 obs
● 2015-08-17 19:10:46
○ 2026-02-19 21:47:40
○ 2026-08-10 22:32:24
●A81.91.86.132026-02-19 → 2026-08-10 · 3 obs
● 2026-02-19 21:47:40
● 2026-08-10 22:32:24
○A81.91.88.82015-08-17 → 2017-04-04 · 5 obs
● 2015-08-17 19:10:46
● 2017-04-04 08:25:56
○ 2026-02-19 21:47:40
○ 2026-08-10 22:32:24
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | l.gtld-servers.net, g.gtld-servers.net, c.gtld-servers.net, i.gtld-servers.net... | - |
| rootan.net | 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 rootan.net (unsigned zone)
⏱️ Timing
Total: 766ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 81.91.86.13 |
| AAAA | 1 | 2001:1568::13 |
| 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
Hierarchy
rootan.net serves as the parent of www.rootan.net and mail.rootan.net.
IP Addresses
rootan.net points to the IP addresses 81.91.86.13 and 2001:1568::13
www.amteko.com, bitnote.eu, kubinec.org plus two other host names have IP numbers in common with rootan.net.
Name Servers
rootan.net is delegated to two name servers: ns2.web4u.cz and ns.web4u.cz.
The name server configuration of rootan.net is shared with other domains, for instance ahoy-sro.cz, gamatrade.cz, cork.cz and two others.
ns2.web4u.cz and ns.web4u.cz each resolve to two IP addresses: ns2.web4u.cz points to 85.207.53.12 and 2a02:a40:100:28ff::12, while ns.web4u.cz points to 185.14.224.241 and 2001:1568:fd::241.
Mail Servers
rootan.net uses two mail servers, mx1.mailchannels.net and mx2.mailchannels.net.
The mail server setup of rootan.net matches that of other domains such as starlightdamsel.com, vapeking.cz, ottomat.com and two others.
rootan.net shares mail servers with at least some other domains, such as ekenberg.net, ibobr.cz and natkomkemi.se.
mx1.mailchannels.net and mx2.mailchannels.net both resolve to the same single IP address: 54.187.177.89.
mx1.mailchannels.net and mx2.mailchannels.net are host names that each point to 54.187.177.89 IP addresses.