ssk21.com - robtex.com
ssk21.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.19🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | ssk21.com ⭐ | ||||||
| A | 153.122.205.19🇯🇵 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.ssk21.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 | ssk21.comhostmaster@ssk21.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=1778852466 | ||||||
NS for
ssk21.com |
Previously MX for
ssk21.com |
Same first word
Similar names
DNS History
8 records (5 active, 3 former)
●NSdnss10.so-net.ne.jp2015-08-03 → 2026-05-15 · 2 obs
● 2026-05-15 13:41:52
●NSdnss11.so-net.ne.jp2015-08-03 → 2026-05-15 · 2 obs
● 2026-05-15 13:41:52
●NSssk21.com2015-08-03 → 2026-05-15 · 2 obs
● 2026-05-15 13:41:52
●MXmx.ssk21.com2015-11-01 → 2026-05-15 · 3 obs
● 2015-11-01 16:09:24
● 2026-05-15 13:41:52
○MXssk21.com2015-08-03 → 2015-10-03 · 4 obs
● 2015-10-03 21:56:46
○ 2015-11-01 16:09:24
○ 2026-05-15 13:41:52
○A124.40.11.1572015-08-03 → 2015-10-03 · 4 obs
● 2015-10-03 21:56:46
○ 2015-11-01 16:09:24
○ 2026-05-15 13:41:52
●A153.122.205.192026-05-13 → 2026-05-15 · 3 obs
● 2026-05-13 08:25:00
● 2026-05-15 13:41:52
○A211.13.196.1342015-11-01 → 2017-08-28 · 5 obs
● 2015-11-01 16:09:24
● 2017-08-28 07:18:30
○ 2026-05-13 08:25:00
○ 2026-05-15 13:41:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ssk21.com | dnss10.so-net.ne.jp, dnss11.so-net.ne.jp | - |
✅ Authoritative Response
Server:210.139.255.1
NS records: dnss10.so-net.ne.jp, dnss11.so-net.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ssk21.com (unsigned zone)
⏱️ Timing
Total: 1944ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.205.19 |
| NS | 2 | dnss10.so-net.ne.jp, dnss11.so-net.ne.jp |
| MX | 1 | mx.ssk21.com (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.shared-server.net +m |
| SOA | 1 | ssk21.com hostmaster.ssk21.com |
Analysis
Name Server Role
For ssk21.com, ssk21.com serves as a name server for ssk21.com.
dnss10.so-net.ne.jp and dnss11.so-net.ne.jp commonly serve as name servers together with ssk21.com.
IP Addresses
ssk21.com points to IP number 153.122.205.19.
For instance, other host names www.fujiichi.com, sadanari.com, toyco.jp, oldkids.co.jp and tv-support.co.jp share IP numbers with ssk21.com.
Name Servers
ssk21.com is delegated to three name servers: ssk21.com, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp.
ssk21.com shares name servers with other domains at least partially, for example mecaro.co.jp, marierika.com, belltree.jp, yunohope.net and nekoteunion.co.jp.
These name servers are commonly used with dns-mdo.so-net.ne.jp.
Host names with a single IP address: ssk21.com points to 153.122.205.19; dnss10.so-net.ne.jp points to 210.139.255.1; dnss11.so-net.ne.jp points to 210.139.255.17.
Mail Servers
ssk21.com is handled by a single mail server, mx.ssk21.com.
mx.ssk21.com points to a single IP: 153.122.206.114.