coach-sr.com - robtex.com
coach-sr.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 203.183.70.243🇯🇵 IDC203.183.64.0/19 Frontier Inc. | ||||||
| NS | 01.dnsv.jp ⭐ | ||||||
| A | 2400:8500:3300::53🇯🇵 GMO-DNS2400:8500:3300::/48 GMO Internet,inc. | ||||||
| PTR | 01.dnsv.jp | ||||||
| A | 157.7.32.53🇯🇵 GMO-DNS157.7.32.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 01.dnsv.jp | ||||||
| NS | 02.dnsv.jp | ||||||
| A | 157.7.33.53🇯🇵 GMO-DNS157.7.33.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 02.dnsv.jp | ||||||
| NS | 03.dnsv.jp | ||||||
| A | 2400:8500:3000::53🇯🇵 GMO-DNS2400:8500:3000::/48 GMO Internet,inc. | ||||||
| PTR | 03.dnsv.jp | ||||||
| A | 157.7.34.53🇯🇵 GMO-DNS157.7.34.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 03.dnsv.jp | ||||||
| NS | 04.dnsv.jp | ||||||
| A | 2400:8500:3fff::53🇯🇵 GMO-DNS2400:8500:3fff::/48 GMO Internet,inc. | ||||||
| PTR | 04.dnsv.jp | ||||||
| A | 157.7.35.53🇯🇵 GMO-DNS157.7.35.0/24 GMO Internet,inc. Network-Team. | ||||||
| PTR | 04.dnsv.jp | ||||||
| MX | mail.coach-sr.com ⭐ | ||||||
| A | 203.183.70.243🇯🇵 IDC203.183.64.0/19 Frontier Inc. | ||||||
| TXT | v=spf1 +mx ~all | ||||||
| SOA | 01.dnsv.jphostmaster@dnsv.jp serial=1631253089 | ||||||
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=1776143092 | ||||||
Subdomains
mail.coach-sr.com |
Same first word
coach-sr.com |
Similar names
DNS History
11 records (6 active, 5 former)
●NS01.dnsv.jp2026-03-01 → 2026-04-14 · 3 obs
● 2026-03-01 04:52:56
● 2026-04-14 05:22:46
●NS02.dnsv.jp2026-03-01 → 2026-04-14 · 3 obs
● 2026-03-01 04:52:56
● 2026-04-14 05:22:46
●NS03.dnsv.jp2026-03-01 → 2026-04-14 · 3 obs
● 2026-03-01 04:52:56
● 2026-04-14 05:22:46
●NS04.dnsv.jp2026-03-01 → 2026-04-14 · 3 obs
● 2026-03-01 04:52:56
● 2026-04-14 05:22:46
○NSdns0.heteml.jp2015-06-04 → 2017-06-21 · 4 obs
● 2017-06-21 18:56:54
○ 2026-03-01 04:52:56
○ 2026-04-14 05:22:46
○NSdns1.heteml.jp2015-06-04 → 2017-06-21 · 4 obs
● 2017-06-21 18:56:54
○ 2026-03-01 04:52:56
○ 2026-04-14 05:22:46
●MXmail.coach-sr.com2026-03-01 → 2026-04-14 · 3 obs
● 2026-03-01 04:52:56
● 2026-04-14 05:22:46
○MXmail40.heteml.jp2015-06-04 → 2017-06-21 · 4 obs
● 2017-06-21 18:56:54
○ 2026-03-01 04:52:56
○ 2026-04-14 05:22:46
○A157.7.188.2172015-10-22 → 2017-06-21 · 5 obs
● 2015-10-22 02:14:50
● 2017-06-21 18:56:54
○ 2026-03-01 04:52:56
○ 2026-04-14 05:22:46
○A182.48.26.412015-06-04 → 2015-06-04 · 3 obs
○ 2015-10-22 02:14:50
○ 2026-04-14 05:22:46
●A203.183.70.2432026-03-01 → 2026-04-14 · 3 obs
● 2026-03-01 04:52:56
● 2026-04-14 05:22:46
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, e.gtld-servers.net, m.gtld-servers.net, d.gtld-servers.net... | - |
| coach-sr.com | 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp | - |
✅ Authoritative Response
Server:157.7.32.53
NS records: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp, 04.dnsv.jp
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for coach-sr.com (unsigned zone)
⏱️ Timing
Total: 1001ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 203.183.70.243 |
| NS | 4 | 01.dnsv.jp, 02.dnsv.jp... |
| MX | 1 | mail.coach-sr.com (pri: 10) |
| TXT | 1 | v=spf1 +mx ~all |
| SOA | 1 | 01.dnsv.jp hostmaster.dnsv.jp |
Analysis
Hierarchy
coach-sr.com is a parent of mail.coach-sr.com.
IP Addresses
coach-sr.com points to a single IP address: 203.183.70.243.
Other host names such as mail.icu.co.jp, shop.kochi-yuzuan.com, ryugei.co.jp, www.takahashi-car.co.jp and icu.co.jp share IP numbers with coach-sr.com.
Name Servers
coach-sr.com is delegated to four name servers: 01.dnsv.jp, 02.dnsv.jp, 03.dnsv.jp and 04.dnsv.jp.
At least part of the name servers for coach-sr.com are shared with other domains, for instance benry.com, ction.co.jp, cyokodog.net, stamp-inc.com and skludtu.com.
Two IP numbers per host:
01.dnsv.jp points to 2400:8500:3300::53 and 157.7.32.53.
03.dnsv.jp points to 2400:8500:3000::53 and 157.7.34.53.
04.dnsv.jp points to 2400:8500:3fff::53 and 157.7.35.53.
One IP number per host:
02.dnsv.jp points to 157.7.33.53.
Mail Servers
The mail server for coach-sr.com is mail.coach-sr.com.
Host mail.coach-sr.com points to IP 203.183.70.243.