masatsugi.com - robtex.com
masatsugi.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.21🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | masatsugi.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.masatsugi.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 | masatsugi.comhostmaster@masatsugi.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=1774953217 | ||||||
NS for
masatsugi.com |
Previously MX for
masatsugi.com |
Subdomains
Same first word
masatsugi.com |
Similar names
DNS History
8 records (5 active, 3 former)
●NSdnss10.so-net.ne.jp2015-07-05 → 2026-03-31 · 2 obs
● 2026-03-31 10:35:46
●NSdnss11.so-net.ne.jp2015-07-05 → 2026-03-31 · 2 obs
● 2026-03-31 10:35:46
●NSmasatsugi.com2015-07-05 → 2026-03-31 · 2 obs
● 2026-03-31 10:35:46
○MXmasatsugi.com2015-07-05 → 2015-11-07 · 4 obs
● 2015-11-07 08:37:02
○ 2016-02-28 13:15:54
○ 2026-03-31 10:35:46
●MXmx.masatsugi.com2016-02-28 → 2026-03-31 · 3 obs
● 2016-02-28 13:15:54
● 2026-03-31 10:35:46
●A153.122.205.212026-03-27 → 2026-03-31 · 3 obs
● 2026-03-27 16:16:10
● 2026-03-31 10:35:46
○A204.227.163.72015-07-05 → 2015-11-07 · 4 obs
● 2015-11-07 08:37:02
○ 2016-02-28 13:15:54
○ 2026-03-31 10:35:46
○A211.13.196.1442016-02-28 → 2020-01-03 · 5 obs
● 2016-02-28 13:15:54
● 2020-01-03 19:04:24
○ 2026-03-27 16:16:10
○ 2026-03-31 10:35:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| masatsugi.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 masatsugi.com (unsigned zone)
⏱️ Timing
Total: 1349ms | 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.masatsugi.com (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.shared-server.net +m |
| SOA | 1 | masatsugi.com hostmaster.masatsugi.com |
Analysis
Hierarchy
masatsugi.com is a parent of mx.masatsugi.com and www.masatsugi.com.
Name Server Role
masatsugi.com serves as a name server for masatsugi.com.
Typically, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp are used as name servers together with masatsugi.com.
IP Addresses
masatsugi.com resolves to one IP number: 153.122.205.21.
other host names including sanko-ad.com, colere.biz, txe.jp, sekisunself-tokyo.com and ymtakada.com share IP numbers with masatsugi.com.
Name Servers
masatsugi.com is delegated to three name servers: masatsugi.com, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp.
masatsugi.com at least partially shares name servers with other domains, for instance yokotas-net.com, izumo-corp.co.jp, four-compass.com, asian-taste.com and mitsuta.com.
These name servers are commonly used with dns-mdo.so-net.ne.jp, simulation-studies.org and kk-ami.com.
Host names with one IP number: masatsugi.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
masatsugi.com is handled by a single mail server, mx.masatsugi.com.
mx.masatsugi.com resolves to IP 153.122.206.114.