yet.jp - robtex.com
yet.jp
| DNSSEC | โ ๏ธ Not signed | ||||||
| A | 210.140.108.81๐ฏ๐ต IDC210.140.96.0/19 Frontier Inc. | ||||||
| NS | dns4.tsukuba.ad.jp โญ | ||||||
| A | 153.122.2.46๐ฏ๐ต AS131921153.122.0.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | dns4.tsukuba.ad.jp | ||||||
| NS | dns5.tsukuba.ad.jp | ||||||
| A | 153.122.20.21๐ฏ๐ต AS131921153.122.16.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| PTR | dns5.tsukuba.ad.jp | ||||||
| MX | mail.yet.jp โญ | ||||||
| A | 210.140.108.81๐ฏ๐ต IDC210.140.96.0/19 Frontier Inc. | ||||||
| MX | mail.tsukuba.co.jp(20) | ||||||
| A | 125.206.111.165๐ฏ๐ต OCN125.200.0.0/13 (AS4713) CIDR BLOCK 75 NTT Communications Corporation 1-1-6 Uchisaiwai-cho, Chiyoda-ku Tokyo 100-8019 JAPAN | ||||||
| SOA | dns4.tsukuba.ad.jphostmaster@tsukuba.ad.jp 2017-04-19 #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=1773558003 | ||||||
Subdomains
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
โNSdns4.tsukuba.ad.jp2016-10-31 โ 2026-03-23 ยท 3 obs
โ 2016-10-31 17:11:06
โ 2026-03-23 20:50:22
โNSdns5.tsukuba.ad.jp2017-05-27 โ 2026-03-23 ยท 3 obs
โ 2017-05-27 23:26:32
โ 2026-03-23 20:50:22
โNSwww.tsukuba.co.jp2015-08-26 โ 2016-04-01 ยท 4 obs
โ 2016-04-01 22:52:12
โ 2016-10-31 17:11:06
โ 2026-03-23 20:50:22
โMXmail.tsukuba.co.jp2017-05-27 โ 2026-03-23 ยท 3 obs
โ 2017-05-27 23:26:32
โ 2026-03-23 20:50:22
โMXmail.tsukuba.co.jp.yet.jp2016-10-31 โ 2016-10-31 ยท 4 obs
โ 2016-10-31 17:11:06
โ 2017-05-27 23:26:32
โ 2026-03-23 20:50:22
โMXmail.yet.jp2017-05-27 โ 2026-03-23 ยท 3 obs
โ 2017-05-27 23:26:32
โ 2026-03-23 20:50:22
โMXmail.yet.jp.yet.jp2016-10-31 โ 2016-10-31 ยท 4 obs
โ 2016-10-31 17:11:06
โ 2017-05-27 23:26:32
โ 2026-03-23 20:50:22
โMXsv.yet.jp2015-08-26 โ 2016-04-01 ยท 4 obs
โ 2016-04-01 22:52:12
โ 2016-10-31 17:11:06
โ 2026-03-23 20:50:22
โA158.199.192.1042016-10-31 โ 2016-10-31 ยท 4 obs
โ 2016-10-31 17:11:06
โ 2017-05-27 23:26:32
โ 2026-03-23 20:50:22
โA210.140.108.812017-05-27 โ 2026-03-23 ยท 3 obs
โ 2017-05-27 23:26:32
โ 2026-03-23 20:50:22
โA210.189.77.922015-08-26 โ 2016-04-01 ยท 4 obs
โ 2016-04-01 22:52:12
โ 2016-10-31 17:11:06
โ 2026-03-23 20:50:22
๐ DNS Trace
๐ Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | d.dns.jp, a.dns.jp, b.dns.jp, c.dns.jp... | - |
| yet.jp | dns4.tsukuba.ad.jp, dns5.tsukuba.ad.jp | 2 records |
โ Authoritative Response
Server:153.122.2.46
NS records: dns4.tsukuba.ad.jp, dns5.tsukuba.ad.jp
๐ DNSSEC Status
โ ๏ธ Insecure (no DNSSEC)
No DS record for yet.jp (unsigned zone)
โฑ๏ธ Timing
Total: 594ms | Queries: -
๐ Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 210.140.108.81 |
| NS | 2 | dns4.tsukuba.ad.jp, dns5.tsukuba.ad.jp |
| MX | 2 | mail.yet.jp (pri: 10), mail.tsukuba.co.jp (pri: 20) |
| SOA | 1 | dns4.tsukuba.ad.jp hostmaster.tsukuba.ad |
๐ Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns5.tsukuba.ad.jp, dns4.tsukuba.ad.jp)
Analysis
Hierarchy
yet.jp is parent of mail.yet.jp and sv.yet.jp.
IP Addresses
yet.jp points to a single IP number: 210.140.108.81.
Other host names like mail.yet.jp and sv.yet.jp share IP numbers with yet.jp.
Name Servers
yet.jp is delegated to two name servers: dns4.tsukuba.ad.jp and dns5.tsukuba.ad.jp.
yet.jp shares the same name server setup as other domains, for example e-tsukuba.jp, e-nyusatsu.jp, uomatsu.jp, hayamizu.jp and hitachiota.jp.
yet.jp at least partially shares its name servers with other domains, for instance tsukuba.ad.jp.
Host names with one IP number:
The host dns4.tsukuba.ad.jp points to 153.122.2.46 and the host dns5.tsukuba.ad.jp points to 153.122.20.21.
Mail Servers
yet.jp is handled by two mail servers: mail.yet.jp and mail.tsukuba.co.jp.
Host names with one IP number:
The host mail.yet.jp points to 210.140.108.81 and the host mail.tsukuba.co.jp points to 125.206.111.165.