anc.ac.jp - robtex.com
anc.ac.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.235.53🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3343.sakura.ne.jp | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| A | 210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | master.dns.ne.jp | ||||||
| NS | ns1.dns.ne.jp | ||||||
| A | 61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| A | 133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan | ||||||
| PTR | ns2.dns.ne.jp | ||||||
| MX | anc.ac.jp ⭐ | ||||||
| A | 49.212.235.53🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3343.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3343.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2024-02-06 #1 | ||||||
ac.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | ac.jp. | ||||||
WOT: SAFE (80/100)
MX for
anc.ac.jp |
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSmaster.dns.ne.jp2026-03-27 → 2026-03-30 · 3 obs
● 2026-03-27 15:20:48
● 2026-03-30 12:52:02
●NSns1.dns.ne.jp2026-03-27 → 2026-03-30 · 3 obs
● 2026-03-27 15:20:48
● 2026-03-30 12:52:02
○NSns1.one.ne.jp2015-07-21 → 2018-11-07 · 4 obs
● 2018-11-07 15:05:32
○ 2026-03-27 15:20:48
○ 2026-03-30 12:52:02
●NSns2.dns.ne.jp2026-03-27 → 2026-03-30 · 3 obs
● 2026-03-27 15:20:48
● 2026-03-30 12:52:02
○NSns2.one.jp2015-07-21 → 2018-11-07 · 4 obs
● 2018-11-07 15:05:32
○ 2026-03-27 15:20:48
○ 2026-03-30 12:52:02
○MX(root)2018-11-07 → 2018-11-07 · 3 obs
○ 2026-03-27 15:20:48
○ 2026-03-30 12:52:02
●MXanc.ac.jp2026-03-27 → 2026-03-30 · 3 obs
● 2026-03-27 15:20:48
● 2026-03-30 12:52:02
●A49.212.235.532026-03-27 → 2026-03-30 · 3 obs
● 2026-03-27 15:20:48
● 2026-03-30 12:52:02
○A49.212.51.642015-07-21 → 2018-11-07 · 4 obs
● 2018-11-07 15:05:32
○ 2026-03-27 15:20:48
○ 2026-03-30 12:52:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, c.dns.jp, e.dns.jp, g.dns.jp... | - |
| anc.ac.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:61.211.236.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for anc.ac.jp (unsigned zone)
⏱️ Timing
Total: 872ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.235.53 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | anc.ac.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www3343.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Mail Server Role
The mail server for anc.ac.jp is anc.ac.jp.
IP Addresses
anc.ac.jp points to a single IP address: 49.212.235.53.
Other host names such as doc-llc.jp, www3343.sakura.ne.jp, otogawa-budo.com, ando-kagu.com and flow-image.net share IPs with anc.ac.jp.
Name Servers
anc.ac.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
anc.ac.jp at least partially shares name servers with other domains, for example aro-ah.com, jet.tokyo, itca.or.jp, karino-s.com and diamante.sakura.ne.jp.
Host names with a single IP address:
master.dns.ne.jp resolves to 210.224.172.18.
ns1.dns.ne.jp resolves to 61.211.236.1.
ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
One mail server handles anc.ac.jp; that server is anc.ac.jp.
anc.ac.jp points to a single IP number: 49.212.235.53.