co2chi.com - dns.ninja
co2chi.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 163.43.197.176🇯🇵 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 | www50136.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 | co2chi.com ⭐ | ||||||
| A | 163.43.197.176🇯🇵 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 | www50136.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www50136.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2023-01-29 #0 | ||||||
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=1785438932 | ||||||
MX for
co2chi.com |
Same first word
co2chi.com |
Similar names
DNS History
8 records (5 active, 3 former)
●NSmaster.dns.ne.jp2026-03-18 → 2026-07-30 · 3 obs
● 2026-03-18 14:08:52
● 2026-07-30 19:27:32
●NSns1.dns.ne.jp2026-03-18 → 2026-07-30 · 3 obs
● 2026-03-18 14:08:52
● 2026-07-30 19:27:32
○NSns1.naviservers.net2007-08-13 → 2017-02-05 · 4 obs
● 2017-02-05 11:27:46
○ 2026-03-18 14:08:52
○ 2026-07-30 19:27:32
●NSns2.dns.ne.jp2026-03-18 → 2026-07-30 · 3 obs
● 2026-03-18 14:08:52
● 2026-07-30 19:27:32
○NSns2.naviservers.net2007-08-13 → 2017-02-05 · 4 obs
● 2017-02-05 11:27:46
○ 2026-03-18 14:08:52
○ 2026-07-30 19:27:32
●MXco2chi.com2007-08-13 → 2026-07-30 · 2 obs
● 2026-07-30 19:27:32
●A163.43.197.1762026-03-18 → 2026-07-30 · 3 obs
● 2026-03-18 14:08:52
● 2026-07-30 19:27:32
○A202.218.26.1212007-08-13 → 2017-02-05 · 4 obs
● 2017-02-05 11:27:46
○ 2026-03-18 14:08:52
○ 2026-07-30 19:27:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | m.gtld-servers.net, d.gtld-servers.net, c.gtld-servers.net, j.gtld-servers.net... | - |
| co2chi.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 co2chi.com (unsigned zone)
⏱️ Timing
Total: 926ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 163.43.197.176 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | co2chi.com (pri: 10) |
| TXT | 1 | v=spf1 a:www50136.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
co2chi.com handles its own mail, functioning as its own mail server.
IP Addresses
co2chi.com resolves to just one IP address, 163.43.197.176.
Two other host names, along with actex.jp, nmclinic.net and fujieda-rotary.org, also share IP numbers with co2chi.com.
Name Servers
co2chi.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
co2chi.com has at least partial name server overlap with other domains, such as xcode-system.net, shugakukai.co.jp, maxsupport.sakura.ne.jp and two others.
master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP address: master.dns.ne.jp resolves to 210.224.172.18, ns1.dns.ne.jp resolves to 61.211.236.1 and ns2.dns.ne.jp resolves to 133.167.21.1.
Mail Servers
co2chi.com is served by just one mail server: co2chi.com.
co2chi.com resolves to a single IP number: 163.43.197.176.