fm840.com - robtex.com
fm840.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.72.152🇯🇵 SAKURA-A49.212.72.0/24 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka-shi, Osaka 530-0011, Japan | ||||||
| PTR | 152.72.212.49.static.www3224m.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 | fm840.com ⭐ | ||||||
| A | 49.212.72.152🇯🇵 SAKURA-A49.212.72.0/24 (ISHIKARI) SAKURA Internet // HOKKAIDO JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka-shi, Osaka 530-0011, Japan | ||||||
| PTR | 152.72.212.49.static.www3224m.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3224m.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2016-12-26 #19 | ||||||
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=1771291435 | ||||||
MX for
fm840.com |
Subdomains
www.fm840.com |
Same first word
fm840.com |
Similar names
DNS History
5 records (5 active, 0 former)
●MXfm840.com2017-01-04 → 2026-03-23 · 2 obs
● 2026-03-23 06:47:10
●A49.212.72.1522017-01-04 → 2026-03-23 · 2 obs
● 2026-03-23 06:47:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | k.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net, b.gtld-servers.net... | - |
| fm840.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 fm840.com (unsigned zone)
⏱️ Timing
Total: 402ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.72.152 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | fm840.com (pri: 10) |
| TXT | 1 | v=spf1 a:www3224m.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Hierarchy
fm840.com is a parent of www.fm840.com.
Mail Server Role
fm840.com serves as the mail server for fm840.com.
IP Addresses
fm840.com points to a single IP address: 49.212.72.152.
Other host names, for instance kizuna-sta.jp, 152.72.212.49.static.www3224m.sakura.ne.jp, npo.kizuna-sta.jp and kizuna-sta.sakura.ne.jp share IP numbers with fm840.com.
Name Servers
fm840.com is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
At least part of the name servers for fm840.com are shared with other domains, for instance g-pc.jp, desu.to, osucinema.com, chichiyakucom.sakura.ne.jp and baum-llc.com.
Host names with a single IP:
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
Mail for fm840.com is handled by a single mail server, fm840.com.
Host fm840.com points to IP 49.212.72.152.