mmdsys.com - robtex.com
mmdsys.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.20🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | mmdsys.com ⭐ | ||||||
| A | 153.122.205.20🇯🇵 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.mmdsys.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 | mmdsys.comhostmaster@mmdsys.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=1778843226 | ||||||
NS for
mmdsys.com |
Previously MX for
mmdsys.com |
Same first word
mmdsys.com |
Similar names
DNS History
8 records (5 active, 3 former)
●NSdnss10.so-net.ne.jp2015-08-22 → 2026-05-15 · 2 obs
● 2026-05-15 11:11:26
●NSdnss11.so-net.ne.jp2015-08-22 → 2026-05-15 · 2 obs
● 2026-05-15 11:11:26
●NSmmdsys.com2015-08-22 → 2026-05-15 · 2 obs
● 2026-05-15 11:11:26
○MXmmdsys.com2015-08-22 → 2015-08-22 · 3 obs
○ 2015-12-21 20:47:56
○ 2026-05-15 11:11:26
●MXmx.mmdsys.com2015-12-21 → 2026-05-15 · 3 obs
● 2015-12-21 20:47:56
● 2026-05-15 11:11:26
○A111.68.194.572015-08-22 → 2015-08-22 · 3 obs
○ 2015-12-21 20:47:56
○ 2026-05-15 11:11:26
●A153.122.205.202026-05-13 → 2026-05-15 · 3 obs
● 2026-05-13 08:29:44
● 2026-05-15 11:11:26
○A211.13.196.1382015-12-21 → 2020-02-18 · 5 obs
● 2015-12-21 20:47:56
● 2020-02-18 01:39:26
○ 2026-05-13 08:29:44
○ 2026-05-15 11:11:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, f.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net... | - |
| mmdsys.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 mmdsys.com (unsigned zone)
⏱️ Timing
Total: 1057ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.205.20 |
| NS | 2 | dnss10.so-net.ne.jp, dnss11.so-net.ne.jp |
| MX | 1 | mx.mmdsys.com (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.shared-server.net +m |
| SOA | 1 | mmdsys.com hostmaster.mmdsys.com |
Analysis
Name Server Role
For mmdsys.com, mmdsys.com serves as a name server for mmdsys.com.
dnss10.so-net.ne.jp and dnss11.so-net.ne.jp commonly serve as name servers together with mmdsys.com.
IP Addresses
mmdsys.com points to IP number 153.122.205.20.
For instance, other host names bellkenpo.or.jp, pocol.com, stars-world.org, nambuyasuyuki.com and wanshopstudio.com share IP numbers with mmdsys.com.
Name Servers
mmdsys.com is delegated to three name servers: mmdsys.com, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp.
mmdsys.com shares name servers with other domains at least partially, for example human-research.co.jp, tamaplusproject.com, dbfc.biz, kawashima-hifuka.com and ncr-ec.gr.jp.
Host names with a single IP address: mmdsys.com points to 153.122.205.20; dnss10.so-net.ne.jp points to 210.139.255.1; dnss11.so-net.ne.jp points to 210.139.255.17.
Mail Servers
mmdsys.com is handled by a single mail server, mx.mmdsys.com.
mx.mmdsys.com points to a single IP: 153.122.206.114.