feed-back.co.jp - robtex.com
feed-back.co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.122.205.19🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | feed-back.co.jp ⭐ | ||||||
| A | 153.122.205.19🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| NS | dnss10.so-net.ne.jp | ||||||
| A | 210.139.255.1🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | dnss10.so-net.ne.jp | ||||||
| NS | dnss11.so-net.ne.jp | ||||||
| A | 210.139.255.17🇯🇵 So-net210.139.128.0/17 Sony Network Communications Inc. | ||||||
| PTR | dnss11.so-net.ne.jp | ||||||
| MX | mx.feed-back.co.jp ⭐ | ||||||
| A | 153.122.206.114🇯🇵 AS131921153.122.192.0/20 GMO CLOUD K.K. GMO GlobalSign Holdings K.K. | ||||||
| TXT | v=spf1 include:_spf.shared-server.net +mx ~all | ||||||
| SOA | feed-back.co.jphostmaster@feed-back.co.jp serial=2602171610 | ||||||
co.jp
| DNSSEC | ⚠️ Not signed | ||||||
| TXT | co.jp. | ||||||
NS for
feed-back.co.jp |
Previously MX for
feed-back.co.jp |
Same first word
feed-back.ch |
feed-back.biz |
feed-back.fr |
feed-back.in |
feed-back.eu |
feed-back.ru |
feed-back.it |
feed-back.co.jp |
feed-back.org |
feed-back.com |
feed-back.de |
feed-back.info |
DNS History
8 records (5 active, 3 former)
●NSdnss10.so-net.ne.jp2015-06-09 → 2026-05-15 · 2 obs
● 2026-05-15 04:36:52
●NSdnss11.so-net.ne.jp2015-06-09 → 2026-05-15 · 2 obs
● 2026-05-15 04:36:52
●NSfeed-back.co.jp2015-06-09 → 2026-05-15 · 2 obs
● 2026-05-15 04:36:52
○MXfeed-back.co.jp2015-06-09 → 2015-10-22 · 4 obs
● 2015-10-22 22:29:40
○ 2016-01-15 20:45:38
○ 2026-05-15 04:36:52
●MXmx.feed-back.co.jp2016-01-15 → 2026-05-15 · 3 obs
● 2016-01-15 20:45:38
● 2026-05-15 04:36:52
○A111.68.226.2192015-06-09 → 2015-10-22 · 4 obs
● 2015-10-22 22:29:40
○ 2016-01-15 20:45:38
○ 2026-05-15 04:36:52
●A153.122.205.192026-05-13 → 2026-05-15 · 3 obs
● 2026-05-13 08:29:22
● 2026-05-15 04:36:52
○A211.13.196.1322016-01-15 → 2017-02-13 · 5 obs
● 2016-01-15 20:45:38
● 2017-02-13 23:41:14
○ 2026-05-13 08:29:22
○ 2026-05-15 04:36:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | e.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp... | - |
| feed-back.co.jp | dnss10.so-net.ne.jp, dnss11.so-net.ne.jp | - |
✅ Authoritative Response
Server:210.139.255.17
NS records: dnss10.so-net.ne.jp, dnss11.so-net.ne.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for feed-back.co.jp (unsigned zone)
⏱️ Timing
Total: 1252ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.122.205.19 |
| NS | 2 | dnss11.so-net.ne.jp, dnss10.so-net.ne.jp |
| MX | 1 | mx.feed-back.co.jp (pri: 10) |
| TXT | 1 | v=spf1 include:_spf.shared-server.net +m |
| SOA | 1 | feed-back.co.jp hostmaster.feed-back.co. |
Analysis
Name Server Role
feed-back.co.jp serves as a name server for feed-back.co.jp.
Together with feed-back.co.jp, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp are commonly used as name server.
IP Addresses
feed-back.co.jp points to a single IP: 153.122.205.19.
Other host names, for instance keipon.com, tanabe-net.co.jp, okabe-s.net, www.abechan.com and www.avant.co.jp share IP numbers with feed-back.co.jp.
Name Servers
feed-back.co.jp is delegated to three name servers: feed-back.co.jp, dnss10.so-net.ne.jp and dnss11.so-net.ne.jp.
feed-back.co.jp at least partially shares its name servers with other domains, for instance a-rukanpa2.com, nishiki-comrade.com, cdks.co.jp, architrust.net and i-s-inc.jp.
Host names with one IP number:
feed-back.co.jp points to: 153.122.205.19.
dnss10.so-net.ne.jp points to: 210.139.255.1.
dnss11.so-net.ne.jp points to: 210.139.255.17.
Mail Servers
feed-back.co.jp is served by a single mail server, mx.feed-back.co.jp.
mx.feed-back.co.jp points to IP number 153.122.206.114.