cssc.jp - dns.ninja
cssc.jp
| DNSSEC | โ ๏ธ Not signed | ||||||
| NS | skyhawk.asahi-net.or.jp โญ | ||||||
| A | 202.224.39.151๐ฏ๐ต ASAHI-NET202.224.32.0/19 -ATSON | ||||||
| PTR | skyhawk.asahi-net.or.jp | ||||||
| NS | tomcat.asahi-net.or.jp | ||||||
| A | 202.224.39.150๐ฏ๐ต ASAHI-NET202.224.32.0/19 -ATSON | ||||||
| PTR | tomcat.asahi-net.or.jp | ||||||
| MX | asahi03.u-netsurf.ne.jp โญ | ||||||
| A | 202.233.3.21๐ฏ๐ต U-NETSURF202.233.0.0/18 U-netSURF CIDR BLOCK ( AS4675 ) Toyosu 1-1-1, kouto-ku, Tokyo 135, Japan | ||||||
| PTR | asahi.u-netsurf.ne.jp | ||||||
| TXT | v=spf1 include:spf-01.asahi-net.or.jp ?all | ||||||
| SOA | skyhawk.asahi-net.or.jppostmaster@mmjp.or.jp 2022-08-17 #1 | ||||||
jp
| DNSSEC | ๐ Signed (DS record present) | ||||||
| NS | z.dns.jp โญ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1782158403 | ||||||
Subdomains
www.cssc.jp |
Same first word
Similar names
DNS History
3 records (3 active, 0 former)
โNSskyhawk.asahi-net.or.jp2015-07-21 โ 2026-06-22 ยท 2 obs
โ 2026-06-22 20:21:46
โNStomcat.asahi-net.or.jp2015-07-21 โ 2026-06-22 ยท 2 obs
โ 2026-06-22 20:21:46
โMXasahi03.u-netsurf.ne.jp2015-07-21 โ 2026-06-22 ยท 2 obs
โ 2026-06-22 20:21:46
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| cssc.jp | skyhawk.asahi-net.or.jp, tomcat.asahi-net.or.jp | - |
โ Authoritative Response
Server:202.224.39.151
NS records: skyhawk.asahi-net.or.jp, tomcat.asahi-net.or.jp
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for cssc.jp (unsigned zone)
โฑ๏ธ Timing
Total: 939ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | skyhawk.asahi-net.or.jp, tomcat.asahi-net.or.jp |
| MX | 1 | asahi03.u-netsurf.ne.jp (pri: 10) |
| TXT | 1 | v=spf1 include:spf-01.asahi-net.or.jp ?a |
| SOA | 1 | skyhawk.asahi-net.or.jp postmaster.mmjp. |
Analysis
Hierarchy
www.cssc.jp is delegated beneath cssc.jp.
Name Servers
Two name servers handle the delegation for cssc.jp: skyhawk.asahi-net.or.jp and tomcat.asahi-net.or.jp.
cssc.jp has the same name server delegation as a number of other domains, such as japan-marina.co.jp, piggyback.jp, hagiyan.com and two more.
There is at least partial name server overlap between cssc.jp and other domains โ porfj.com, excelpoint.co.jp, yuunet.com and two more among them.
skyhawk.asahi-net.or.jp โ 202.224.39.151 and tomcat.asahi-net.or.jp โ 202.224.39.150: one IP number per host name.
Mail Servers
cssc.jp routes its mail through a single mail server, asahi03.u-netsurf.ne.jp.
cssc.jp has the same mail server arrangement as a number of other domains, for example sekishindo.or.jp, yspower.co.jp, showban.co.jp and two more.
cssc.jp and other domains โ bunbuku.co.jp for instance โ share at least some mail servers.
These mail servers are routinely seen in conjunction with the mail servers vdmx2.asahi-net.or.jp and bunbuku-co-jp.mail.protection.outlook.com.
asahi03.u-netsurf.ne.jp carries a single IP number, which is 202.233.3.21.