mail.ittnet.com - dns.ninja
mail.ittnet.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 133.167.0.68🇯🇵 SAKURA-B133.167.0.0/24 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka-shi, Osaka 530-0011, Japan | ||||||
| PTR | www50058.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 ⚠️ Not in parent delegation | ||||||
| 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 ⚠️ Not in parent delegation | ||||||
| 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 | mail.ittnet.com ⭐ | ||||||
| A | 133.167.0.68🇯🇵 SAKURA-B133.167.0.0/24 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka-shi, Osaka 530-0011, Japan | ||||||
| PTR | www50058.sakura.ne.jp | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2020-12-22 #14 | ||||||
ittnet.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.125.228.12🇯🇵 SAKURA-B153.125.224.0/20 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan | ||||||
| NS | master.dns.ne.jp ⭐ | ||||||
| NS | ns1.dns.ne.jp | ||||||
| NS | ns2.dns.ne.jp | ||||||
| MX | mail.ittnet.com ⭐ | ||||||
| TXT | v=spf1 include:spf.macly.jp include:spfsakura.macly.jp include:_spf.google.co... | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-12-05 #6 | ||||||
MX for
mail.ittnet.com |
ittnet.com |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●MXmail.ittnet.com2026-02-17 → 2026-08-11 · 2 obs
● 2026-08-11 17:36:10
○A103.244.217.1552015-08-22 → 2016-07-19 · 4 obs
● 2016-07-19 14:00:18
○ 2026-02-17 20:55:24
○ 2026-08-11 17:36:10
●A133.167.0.682026-02-17 → 2026-08-11 · 3 obs
● 2026-02-17 20:55:24
● 2026-08-11 17:36:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ittnet.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 ittnet.com (unsigned zone)
⏱️ Timing
Total: 2961ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 133.167.0.68 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | mail.ittnet.com (pri: 10) |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
The mail server mail.ittnet.com is responsible for delivering email for mail.ittnet.com and ittnet.com.
IP Addresses
mail.ittnet.com has exactly one IP address — 133.167.0.68.
mail.house-gate.net, duston.jp, mail.endless-kyoto.co.jp plus two other host names have IP numbers in common with mail.ittnet.com.
Name Servers
mail.ittnet.com is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
mail.ittnet.com partially shares its NS delegation with several other domains, including www.andometal.co.jp, picpot.net, mstudio.co.jp and two others.
master.dns.ne.jp has IP address 210.224.172.18, ns1.dns.ne.jp has IP address 61.211.236.1 and ns2.dns.ne.jp has IP address 133.167.21.1 — one address each.
Mail Servers
mail.ittnet.com uses exactly one mail server, which is mail.ittnet.com.
mail.ittnet.com uses the same mail servers as other domains, including ittnet.com.
mail.ittnet.com resolves to 133.167.0.68 and no other IP number.