mfas.jp - robtex.com
mfas.jp
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.235.187🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3447.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 | ||||||
| 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 | ||||||
| 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 | ||||||
| MX | mfas.jp ⭐ | ||||||
| A | 49.212.235.187🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3447.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3447.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2025-03-04 #17 | ||||||
jp
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | z.dns.jp ⭐ | ||||||
| NS | a.dns.jp | ||||||
| NS | b.dns.jp | ||||||
| NS | c.dns.jp | ||||||
| NS | d.dns.jp | ||||||
| NS | e.dns.jp | ||||||
| NS | f.dns.jp | ||||||
| NS | g.dns.jp | ||||||
| NS | h.dns.jp | ||||||
| SOA | z.dns.jproot@dns.jp serial=1784683802 | ||||||
MX for
mfas.jp |
Same first word
mfas.no |
mfas.org |
mfas.ru |
mfas.co.jp |
mfas.in |
mfas.nl |
mfas.de |
mfas.pro |
mfas.fr |
mfas.co.nz |
mfas.de.cool |
mfas.club |
mfas.net |
mfas.jp |
mfas.eu |
mfas.com |
mfas.co.uk |
Similar names
DNS History
7 records (5 active, 2 former)
●MXmfas.jp2015-05-31 → 2026-07-22 · 2 obs
● 2026-07-22 02:04:14
○A133.242.19.2372015-05-31 → 2016-04-06 · 4 obs
● 2016-04-06 02:40:34
○ 2016-12-30 10:22:48
○ 2026-07-22 02:04:14
○A157.7.188.1642016-12-30 → 2017-11-30 · 5 obs
● 2016-12-30 10:22:48
● 2017-11-30 09:19:14
○ 2026-07-01 07:14:22
○ 2026-07-22 02:04:14
●A49.212.235.1872026-07-01 → 2026-07-22 · 3 obs
● 2026-07-01 07:14:22
● 2026-07-22 02:04:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| jp | a.dns.jp, h.dns.jp, e.dns.jp, g.dns.jp... | - |
| mfas.jp | ns1.dns.ne.jp, ns2.dns.ne.jp | 2 records |
✅ 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 mfas.jp (unsigned zone)
⏱️ Timing
Total: 1267ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.235.187 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | mfas.jp (pri: 10) |
| TXT | 1 | v=spf1 a:www3447.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)
Analysis
Mail Server Role
mfas.jp handles its own mail, functioning as its own mail server.
IP Addresses
mfas.jp resolves to just one IP address, 49.212.235.187.
Two other host names, along with k-etech.sakura.ne.jp, rottweiler.sakura.ne.jp and nimus.jp, also share IP numbers with mfas.jp.
Name Servers
mfas.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
mfas.jp partially shares its NS delegation with several other domains, including oanes.jp, tokyorakuichirakuza.jp, tokusyuko.com 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
mfas.jp is served by just one mail server: mfas.jp.
mfas.jp resolves to a single IP number: 49.212.235.187.