libero2.com - robtex.com
libero2.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.21🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | libero2.com ⭐ | ||||||
| A | 153.122.205.21🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | dnss10.so-net.ne.jp | ||||||
| A | 210.139.255.1🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | dnss10.so-net.ne.jp | ||||||
| NS | dnss11.so-net.ne.jp | ||||||
| A | 210.139.255.17🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | dnss11.so-net.ne.jp | ||||||
| MX | mx.libero2.com ⭐ | ||||||
| A | 153.122.206.114🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| TXT | v=spf1 include:_spf.shared-server.net +mx ~all | ||||||
| SOA | libero2.comhostmaster@libero2.com serial=2602171610 | ||||||
com
| 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=1778494786 | ||||||
NS for
libero2.com |
Previously MX for
libero2.com |
Subdomains
mx.libero2.com |
Same first word
libero2.com |
Similar names
DNS History
8 records (5 active, 3 former)
●NSdnss10.so-net.ne.jp2015-05-30 → 2026-05-11 · 2 obs
● 2026-05-11 10:23:56
●NSdnss11.so-net.ne.jp2015-05-30 → 2026-05-11 · 2 obs
● 2026-05-11 10:23:56
●NSlibero2.com2015-05-30 → 2026-05-11 · 2 obs
● 2026-05-11 10:23:56
○MXlibero2.com2015-05-30 → 2015-11-01 · 4 obs
● 2015-11-01 13:54:12
○ 2016-01-19 07:48:14
○ 2026-05-11 10:23:56
●MXmx.libero2.com2016-01-19 → 2026-05-11 · 3 obs
● 2016-01-19 07:48:14
● 2026-05-11 10:23:56
●A153.122.205.212026-02-27 → 2026-05-11 · 3 obs
● 2026-02-27 08:18:36
● 2026-05-11 10:23:56
○A204.227.163.1002015-05-30 → 2015-11-01 · 4 obs
● 2015-11-01 13:54:12
○ 2016-01-19 07:48:14
○ 2026-05-11 10:23:56
○A211.13.196.1432016-01-19 → 2020-01-30 · 5 obs
● 2016-01-19 07:48:14
● 2020-01-30 12:10:54
○ 2026-02-27 08:18:36
○ 2026-05-11 10:23:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, a.gtld-servers.net, c.gtld-servers.net, h.gtld-servers.net... | - |
| libero2.com | dnss10.so-net.ne.jp, dnss11.so-net.ne.jp | - |
✅ Authoritative Response
Server:210.139.255.17
NS records: dnss10.so-net.ne.jp, dnss11.so-net.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for libero2.com (unsigned zone)
⏱️ Timing
Total: 1023ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.205.21 |
| NS | 2 | dnss10.so-net.ne.jp, dnss11.so-net.ne.jp |
| MX | 1 | mx.libero2.com (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.shared-server.net +m |
| SOA | 1 | libero2.com hostmaster.libero2.com |
Analysis
Hierarchy
libero2.com is the parent of mx.libero2.com.
Name Server Role
libero2.com serves as a name server for libero2.com.
dnss10.so-net.ne.jp and dnss11.so-net.ne.jp are commonly used as name servers along with libero2.com.
IP Addresses
libero2.com resolves to a single IP address: 153.122.205.21.
Other host names including yoshiomi.net, ciekenkyujo.com, saso.jp, marunahome.co.jp and cues-net.co.jp share IP numbers with libero2.com.
Name Servers
libero2.com is delegated to three name servers: libero2.com, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp.
libero2.com at least partially shares name servers with other domains, including hug10.com, keiaigakuen.org, optionbeat.com, jckpf.or.jp and tokai-kanko.jp.
These name servers are commonly used with cosicosi.net and ken-takagi.com.
Hostnames with a single IP:
libero2.com points to: 153.122.205.21.
dnss10.so-net.ne.jp points to: 210.139.255.1.
dnss11.so-net.ne.jp points to: 210.139.255.17.
Mail Servers
libero2.com is handled by a single mail server, mx.libero2.com.
mx.libero2.com points to a single IP: 153.122.206.114.