mamanabi.com - robtex.com
mamanabi.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 163.43.102.11🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | www3801.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 | mamanabi.com ⭐ | ||||||
| A | 163.43.102.11🇯🇵 SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| PTR | www3801.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3801.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2026-02-18 #2 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1776196512 | ||||||
MX for
mamanabi.com |
Same first word
mamanabi.com |
Similar names
DNS History
13 records (5 active, 8 former)
●NSmaster.dns.ne.jp2026-02-24 → 2026-04-14 · 3 obs
● 2026-02-24 17:09:26
● 2026-04-14 20:09:08
●NSns1.dns.ne.jp2026-02-24 → 2026-04-14 · 3 obs
● 2026-02-24 17:09:26
● 2026-04-14 20:09:08
○NSns1.wordpress.com2016-12-23 → 2018-08-11 · 4 obs
● 2018-08-11 00:13:14
○ 2026-02-24 17:09:26
○ 2026-04-14 20:09:08
●NSns2.dns.ne.jp2026-02-24 → 2026-04-14 · 3 obs
● 2026-02-24 17:09:26
● 2026-04-14 20:09:08
○NSns2.wordpress.com2016-12-23 → 2018-08-11 · 4 obs
● 2018-08-11 00:13:14
○ 2026-02-24 17:09:26
○ 2026-04-14 20:09:08
○NSns3.wordpress.com2016-12-23 → 2018-08-11 · 4 obs
● 2018-08-11 00:13:14
○ 2026-02-24 17:09:26
○ 2026-04-14 20:09:08
●MXmamanabi.com2026-02-24 → 2026-04-14 · 3 obs
● 2026-02-24 17:09:26
● 2026-04-14 20:09:08
○MXsmtp-fwd.wordpress.com2016-12-23 → 2018-08-11 · 4 obs
● 2018-08-11 00:13:14
○ 2026-02-24 17:09:26
○ 2026-04-14 20:09:08
●A163.43.102.112026-02-24 → 2026-04-14 · 3 obs
● 2026-02-24 17:09:26
● 2026-04-14 20:09:08
○A192.0.78.242016-12-23 → 2018-08-11 · 4 obs
● 2018-08-11 00:13:14
○ 2026-02-24 17:09:26
○ 2026-04-14 20:09:08
○A192.0.78.252016-12-23 → 2018-08-11 · 4 obs
● 2018-08-11 00:13:14
○ 2026-02-24 17:09:26
○ 2026-04-14 20:09:08
○A3.136.232.262026-02-24 → 2026-04-14 · 2 obs
○ 2026-04-14 20:09:08
○A3.137.108.1702026-02-24 → 2026-04-14 · 2 obs
○ 2026-04-14 20:09:08
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mamanabi.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ 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 mamanabi.com (unsigned zone)
⏱️ Timing
Total: 1101ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 163.43.102.11 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | mamanabi.com (pri: 10) |
| TXT | 1 | v=spf1 a:www3801.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
mamanabi.com serves as the mail server for mamanabi.com.
IP Addresses
mamanabi.com points to IP number: 163.43.102.11.
Other host names such as thermostad.net, pasteria-verde.jp, iwatsuki-inouesekkotsu.com, asj-sainokuni.jp and www3801.sakura.ne.jp share IPs with mamanabi.com.
Name Servers
mamanabi.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
mamanabi.com at least partially shares name servers with other domains, for instance osaka-implant-net.net, miyuka.com, seiko-autocom.sakura.ne.jp, marumori-tax.com and yozamiya.com.
these name servers are often used in conjunction with the name servers dns.sakura.ad.jp.
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
mamanabi.com is handled by a single mail server, mamanabi.com.
mamanabi.com points to a single IP: 163.43.102.11.