coltvox.com - robtex.com
coltvox.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.152.87🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | os3-324-51583.vs.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 | mail2.coltvox.com ⭐ | ||||||
| A | 150.249.219.198🇯🇵 So-net150.249.0.0/16 Sony Network Communications Inc. | ||||||
| PTR | mail2.coltvox.com | ||||||
| TXT | v=spf1 +A +MX +ip4:159.28.73.94/32 +ip4:150.249.219.192/29 +ip4:219.118.185.8... | ||||||
| TXT | google-site-verification=DY1Yk6aannqUlbAFHu2xRtF_LWPaNgSX9t4gEnEmjeQ | ||||||
| TXT | google-site-verification=GaQ3-sHMYbBdlnJlu4FiptwsABSjNyGH1zxqAR0KtGc | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-06-19 #1 | ||||||
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=1774595137 | ||||||
Subdomains
mail2.coltvox.com |
Same first word
coltvox.com |
DNS History
11 records (5 active, 6 former)
●NSmaster.dns.ne.jp2026-02-16 → 2026-03-27 · 3 obs
● 2026-02-16 08:33:44
● 2026-03-27 07:12:44
○NSns02.idc.jp2016-03-24 → 2017-09-23 · 5 obs
● 2016-03-24 09:46:36
● 2017-09-23 20:37:34
○ 2026-02-16 08:33:44
○ 2026-03-27 07:12:44
○NSns03.idc.jp2016-03-24 → 2017-09-23 · 5 obs
● 2016-03-24 09:46:36
● 2017-09-23 20:37:34
○ 2026-02-16 08:33:44
○ 2026-03-27 07:12:44
●NSns1.dns.ne.jp2026-02-16 → 2026-03-27 · 3 obs
● 2026-02-16 08:33:44
● 2026-03-27 07:12:44
○NSns2.atworks.co.jp2015-08-17 → 2015-12-12 · 4 obs
● 2015-12-12 08:36:04
○ 2016-03-24 09:46:36
○ 2026-03-27 07:12:44
○NSns2.coltvox.com2015-08-17 → 2017-09-23 · 4 obs
● 2017-09-23 20:37:34
○ 2026-02-16 08:33:44
○ 2026-03-27 07:12:44
●NSns2.dns.ne.jp2026-02-16 → 2026-03-27 · 3 obs
● 2026-02-16 08:33:44
● 2026-03-27 07:12:44
●MXmail2.coltvox.com2026-02-16 → 2026-03-27 · 3 obs
● 2026-02-16 08:33:44
● 2026-03-27 07:12:44
○MXns2.coltvox.com2015-08-17 → 2017-09-23 · 4 obs
● 2017-09-23 20:37:34
○ 2026-02-16 08:33:44
○ 2026-03-27 07:12:44
○A210.140.115.1892016-03-24 → 2017-09-23 · 4 obs
● 2017-09-23 20:37:34
○ 2026-02-16 08:33:44
○ 2026-03-27 07:12:44
●A49.212.152.872026-02-16 → 2026-03-27 · 3 obs
● 2026-02-16 08:33:44
● 2026-03-27 07:12:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| coltvox.com | ns1.dns.ne.jp, ns2.dns.ne.jp | - |
✅ 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 coltvox.com (unsigned zone)
⏱️ Timing
Total: 2369ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.152.87 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | mail2.coltvox.com (pri: 10) |
| TXT | 3 | v=spf1 +A +MX +ip4:159.28.73.94/32 +ip4:, google-site-verification=DY1Yk6aannqUlbA... |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
The parent of mail2.coltvox.com is coltvox.com.
IP Addresses
coltvox.com points to a single IP number: 49.212.152.87.
Name Servers
The domain coltvox.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
coltvox.com shares name servers with other domains at least partially, for instance vanilla-ice.jp, yoga-shala.jp, live-academy.jp, eigokaku.com and kumanagement.com.
these name servers are often used together with the name servers dns.sakura.ad.jp.
Host names with a single IP number:
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
The mail server for coltvox.com is mail2.coltvox.com.
Host name mail2.coltvox.com resolves to IP 150.249.219.198.