exfmt.com - robtex.com
exfmt.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 49.212.235.231🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3491.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 | exfmt.com ⭐ | ||||||
| A | 49.212.235.231🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan | ||||||
| PTR | www3491.sakura.ne.jp | ||||||
| TXT | v=spf1 a:www3491.sakura.ne.jp mx ~all | ||||||
| SOA | master.dns.ne.jptech@sakura.ad.jp 2017-10-13 #18 | ||||||
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=1786366329 | ||||||
MX for
exfmt.com |
Same first word
exfmt.com |
Similar names
mtfex.com |
texfm.ro |
metfx.com |
tfmex.com |
metfx.co.nz |
mtfxe.cn |
mextf.com |
tmfex.com |
xmeft.com |
fxmet.co |
tefmx.com |
eftmx.com |
etmfx.com |
ftmex.com |
mftex.com |
texfm.com |
tmefx.com |
fxetm.com |
etxmf.cn |
DNS History
9 records (5 active, 4 former)
○NSdns01.gmoserver.jp2015-05-20 → 2017-01-18 · 4 obs
● 2017-01-18 10:52:56
○ 2020-03-15 00:53:02
○ 2026-08-10 12:59:06
○NSdns02.gmoserver.jp2015-05-20 → 2017-01-18 · 4 obs
● 2017-01-18 10:52:56
○ 2020-03-15 00:53:02
○ 2026-08-10 12:59:06
●NSmaster.dns.ne.jp2020-03-15 → 2026-08-10 · 3 obs
● 2020-03-15 00:53:02
● 2026-08-10 12:59:06
●NSns1.dns.ne.jp2020-03-15 → 2026-08-10 · 3 obs
● 2020-03-15 00:53:02
● 2026-08-10 12:59:06
●NSns2.dns.ne.jp2020-03-15 → 2026-08-10 · 3 obs
● 2020-03-15 00:53:02
● 2026-08-10 12:59:06
●MXexfmt.com2020-03-15 → 2026-08-10 · 3 obs
● 2020-03-15 00:53:02
● 2026-08-10 12:59:06
○MXmx.exfmt.com2015-05-20 → 2017-01-18 · 4 obs
● 2017-01-18 10:52:56
○ 2020-03-15 00:53:02
○ 2026-08-10 12:59:06
○A157.7.144.52015-05-20 → 2017-01-18 · 4 obs
● 2017-01-18 10:52:56
○ 2020-03-15 00:53:02
○ 2026-08-10 12:59:06
●A49.212.235.2312020-03-15 → 2026-08-10 · 3 obs
● 2020-03-15 00:53:02
● 2026-08-10 12:59:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, j.gtld-servers.net, d.gtld-servers.net, a.gtld-servers.net... | - |
| exfmt.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 exfmt.com (unsigned zone)
⏱️ Timing
Total: 1310ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 49.212.235.231 |
| NS | 2 | ns1.dns.ne.jp, ns2.dns.ne.jp |
| MX | 1 | exfmt.com (pri: 10) |
| TXT | 1 | v=spf1 a:www3491.sakura.ne.jp mx ~all |
| SOA | 1 | master.dns.ne.jp tech.sakura.ad.jp |
Analysis
Mail Server Role
exfmt.com acts as its own mail server.
IP Addresses
exfmt.com points to a single IP number: 49.212.235.231.
Additional host names — juicymail.sakura.ne.jp, cfw-yu.sakura.ne.jp, cota-labo.sakura.ne.jp and two others — share IP numbers with exfmt.com.
Name Servers
exfmt.com is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.
exfmt.com shares at least some of its name servers with other domains, including 9.0.2.0.6.1.0.0.0.6.1.0.6.0.8.1.2.0.1.0.2.4.e.0.1.0.0.2.ip6.arpa, all-agent.site, monochicken.com and two others.
These name servers are frequently seen alongside the name servers dns.sakura.ad.jp.
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
exfmt.com has a single mail server: exfmt.com itself.
exfmt.com resolves to 49.212.235.231 and no other IP number.