mutan.co.jp - robtex.com
mutan.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.126.251.53🇯🇵 SAKURA-A153.126.128.0/17 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | mu-tan.co.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 | mail.mutan.co.jp ⭐ | ||||||
| TXT | v=spf1 +ip4:153.126.251.53 ~all | ||||||
| TXT | google-site-verification=3rU93eEShoK-uQN7I7QsBrOR1cgWTcs0Em9B109bED8 | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-07-09 #1 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
Previously MX for
mutan.co.jp |
Subdomains
mail.mutan.co.jp |
gnmonster.mutan.co.jp |
Same first word
Similar names
DNS History
11 records (5 active, 6 former)
●NSmaster.dns.ne.jp2015-06-23 → 2026-05-09 · 3 obs
● 2015-06-23 15:24:14
● 2026-05-09 19:17:02
○NSns.namedserver.net2008-11-22 → 2008-11-22 · 3 obs
○ 2015-06-23 15:24:14
○ 2026-05-09 19:17:02
●NSns1.dns.ne.jp2015-06-23 → 2026-05-09 · 3 obs
● 2015-06-23 15:24:14
● 2026-05-09 19:17:02
●NSns2.dns.ne.jp2015-06-23 → 2026-05-09 · 3 obs
● 2015-06-23 15:24:14
● 2026-05-09 19:17:02
○NSns2.namedserver.net2008-11-22 → 2008-11-22 · 3 obs
○ 2015-06-23 15:24:14
○ 2026-05-09 19:17:02
●MXmail.mutan.co.jp2026-04-28 → 2026-05-09 · 3 obs
● 2026-04-28 08:59:42
● 2026-05-09 19:17:02
○MXmutan.co.jp2015-06-23 → 2017-04-20 · 5 obs
● 2015-06-23 15:24:14
● 2017-04-20 14:22:10
○ 2026-04-28 08:59:42
○ 2026-05-09 19:17:02
○MXsmtp.mutan.co.jp2008-11-22 → 2008-11-22 · 3 obs
○ 2015-06-23 15:24:14
○ 2026-05-09 19:17:02
○A133.242.86.1912015-06-23 → 2017-04-20 · 5 obs
● 2015-06-23 15:24:14
● 2017-04-20 14:22:10
○ 2026-04-28 08:59:42
○ 2026-05-09 19:17:02
●A153.126.251.532026-04-28 → 2026-05-09 · 3 obs
● 2026-04-28 08:59:42
● 2026-05-09 19:17:02
○A211.125.95.2052008-11-22 → 2008-11-22 · 3 obs
○ 2015-06-23 15:24:14
○ 2026-05-09 19:17:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp... | - |
| mutan.co.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ Authoritative Response
Server:133.167.21.1
NS records: ns1.dns.ne.jp, ns2.dns.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mutan.co.jp (unsigned zone)
⏱️ Timing
Total: 800ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.126.251.53 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | mail.mutan.co.jp (pri: 10) |
| TXT | 2 | v=spf1 +ip4:153.126.251.53 ~all, google-site-verification=3rU93eEShoK-uQN |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)
Analysis
Hierarchy
mutan.co.jp is the parent of mail.mutan.co.jp and gnmonster.mutan.co.jp.
IP Addresses
mutan.co.jp resolves to a single IP: 153.126.251.53.
Other host names share IP numbers with mutan.co.jp; for instance mu-tan.co.jp.
Name Servers
mutan.co.jp delegates to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
mutan.co.jp shares some name servers with other domains, for example fcap.jp, kyan.jp, esperanza-sc.com, itech-nt.com and narcissusstarshaped.com.
Host names with a single IP: master.dns.ne.jp points to 210.224.172.18; ns1.dns.ne.jp points to 61.211.236.1; ns2.dns.ne.jp points to 133.167.21.1.
Mail Servers
mutan.co.jp is handled by a single mail server, mail.mutan.co.jp.