ttc.ac.jp - robtex.com
ttc.ac.jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 112.78.112.149🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www1809.sakura.ne.jp | ||||||
| NS | ns000.d-53.net ⭐ | ||||||
| NS | ns011-bsj9ttshncenokr1.b.d-53.info | ||||||
| A | 2001:240:bb81::28:42🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 ) | ||||||
| PTR | s011.d-53.biz | ||||||
| A | 202.32.219.42🇯🇵 IIJ-AS202.32.0.0/16 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | s011.d-53.biz | ||||||
| NS | ns011-bsj9ttshncenokr1.b.d-53.jp | ||||||
| A | 2001:240:bb81::29:1102🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 ) | ||||||
| PTR | s011.d-53.org | ||||||
| A | 203.180.146.102🇯🇵 IIJ-AS203.180.0.0/16 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | s011.d-53.org | ||||||
| NS | ns011-bsj9ttshncenokr1.b.d-53.net | ||||||
| A | 2001:240:bb81::29:102🇯🇵 IIJ-AS2001:240::/32 IIJ IPv6 BLOCK ( AS2497 ) | ||||||
| PTR | s011.d-53.net | ||||||
| A | 210.138.20.102🇯🇵 IIJ-AS210.138.0.0/16 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | s011.d-53.net | ||||||
| MX | mx.securemx.jp ⭐ | ||||||
| A | 210.130.202.92🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | mx180b.securemx.jp | ||||||
| A | 210.130.202.93🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | mx114b.securemx.jp | ||||||
| A | 210.130.202.96🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | mx114a.securemx.jp | ||||||
| A | 210.130.202.99🇯🇵 IIJ-AS210.130.0.0/16 IIJ IPv4 BLOCK ( AS2497 ) | ||||||
| PTR | mx180a.securemx.jp | ||||||
| TXT | v=spf1 ip4:183.181.99.34/30 +ip4:183.181.99.34/30 include:spf.securemx.jp inc... | ||||||
| TXT | MS=ms69383535 | ||||||
| TXT | apple-domain-verification=xe4dU61MIvPly8Ca | ||||||
| TXT | google-site-verification=3hbJpjP-8YaIlVzwi8fPign339PwwBKsn6hSVTXLaHQ | ||||||
| SOA | ns000.d-53.netdns-managers@iij.ad.jp serial=314 | ||||||
ac.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | ac.jp. | ||||||
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns011-bsj9ttshncenokr1.b.d-53.info2026-04-27 → 2026-05-10 · 2 obs
● 2026-05-10 10:46:32
●NSns011-bsj9ttshncenokr1.b.d-53.jp2026-04-27 → 2026-05-10 · 2 obs
● 2026-05-10 10:46:32
●NSns011-bsj9ttshncenokr1.b.d-53.net2026-04-27 → 2026-05-10 · 2 obs
● 2026-05-10 10:46:32
●MXmx.securemx.jp2026-04-27 → 2026-05-10 · 2 obs
● 2026-05-10 10:46:32
●A112.78.112.1492026-04-27 → 2026-05-10 · 2 obs
● 2026-05-10 10:46:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | f.dns.jp, b.dns.jp, a.dns.jp, g.dns.jp... | - |
| ttc.ac.jp | ns011-bsj9ttshncenokr1.b.d-53.net, ns011-bsj9ttshncenokr1.b.d-53.info, ns011-bsj9ttshncenokr1.b.d-53.jp | - |
✅ Authoritative Response
Server:202.32.219.42
NS records: ns011-bsj9ttshncenokr1.b.d-53.net, ns011-bsj9ttshncenokr1.b.d-53.info, ns011-bsj9ttshncenokr1.b.d-53.jp
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 1381ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 112.78.112.149 |
| NS | 3 | ns011-bsj9ttshncenokr1.b.d-53.info, ns011-bsj9ttshncenokr1.b.d-53.jp... |
| MX | 1 | mx.securemx.jp (pri: 20) |
| TXT | 4 | apple-domain-verification=xe4dU61MIvPly8, google-site-verification=3hbJpjP-8YaIlVz... |
| SOA | 1 | ns000.d-53.net dns-managers.iij.ad.jp |
Analysis
IP Addresses
ttc.ac.jp points to a single IP: 112.78.112.149.
Other host names, for instance ginnan.net, ukg.co.jp, kanokomochi.co.jp, ifra.jp and ookoba-sangyo.com share IP numbers with ttc.ac.jp.
Name Servers
ttc.ac.jp's delegation is handled by four name servers: ns000.d-53.net, ns011-bsj9ttshncenokr1.b.d-53.info, ns011-bsj9ttshncenokr1.b.d-53.jp and ns011-bsj9ttshncenokr1.b.d-53.net.
ttc.ac.jp partially shares name servers with other domains; examples include nissha.biz, vill.shinto.gunma.jp, kojimaproductions-store.com, tpgaw.jp and jiia.net.
These name servers are commonly used with dns-b.iij.ad.jp, dns-c.iij.ad.jp, rev.iij-dns.jp, rev.iij-dns.net, ns01.iij-dns.jp and ns00.iij-dns.net.
Host names with two IP numbers:
ns011-bsj9ttshncenokr1.b.d-53.info points to 2001:240:bb81::28:42 and 202.32.219.42.
ns011-bsj9ttshncenokr1.b.d-53.jp points to 2001:240:bb81::29:1102 and 203.180.146.102.
ns011-bsj9ttshncenokr1.b.d-53.net points to 2001:240:bb81::29:102 and 210.138.20.102.
Mail Servers
ttc.ac.jp is handled by a single mail server, mx.securemx.jp.
ttc.ac.jp has the same mail server setup as other domains, including sn-pt.jp, sunavigation.com, ace.jp, zeiken.co.jp and tse.or.jp.
ttc.ac.jp shares some mail servers with other domains, at least partially, such as sendan.co.jp, daimarufujii.co.jp, nhk-cti.jp, dnpribbons.eu and taikobank.jp.
These mail servers are often used with the mail servers mx6.securemx.jp.
Host mx.securemx.jp resolves to four IP numbers: 210.130.202.92, 210.130.202.93, 210.130.202.96 and 210.130.202.99.