sfeng.jp - robtex.com

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sfeng.jp

DNSSEC⚠️ Not signed
A210.224.185.203🇯🇵 SAKURA-C
PTRwww2563.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C
PTRns2.dns.ne.jp
MXsfeng.jp ⭐
A210.224.185.203🇯🇵 SAKURA-C
PTRwww2563.sakura.ne.jp
TXTv=spf1 a:www2563.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2019-08-08 #12

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1771290902

MX for

sfeng.jp

Same first word

sfeng.jp
sfeng.net

Similar names

gsfen.com
fensg.com
fengs.cc
fseng.net
sfgen.org
nefsg.co.uk
fseng.co.za
egfsn.ie
fseng.co.uk
fseng.de
gnsef.org
fengs.org
snfge.org
fseng.com
snfge.net
fseng.com.hk
nfseg.com
fengs.de
fengs.com
snfge.com
gsnef.org
genfs.com
fseng.com.br
fseng.com.cn
fsgen.com
fengs.com.au
fgens.com

DNS History

5 records (5 active, 0 former)

NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXsfeng.jpA210.224.185.203
●NSmaster.dns.ne.jp2026-02-18 → 2026-02-18 · 2 obs
● 2026-02-18 22:47:26
● 2026-02-18 22:47:32
●NSns1.dns.ne.jp2026-02-18 → 2026-02-18 · 2 obs
● 2026-02-18 22:47:26
● 2026-02-18 22:47:32
●NSns2.dns.ne.jp2026-02-18 → 2026-02-18 · 2 obs
● 2026-02-18 22:47:26
● 2026-02-18 22:47:32
●MXsfeng.jp2026-02-18 → 2026-02-18 · 2 obs
● 2026-02-18 22:47:26
● 2026-02-18 22:47:32
●A210.224.185.2032026-02-18 → 2026-02-18 · 2 obs
● 2026-02-18 22:47:26
● 2026-02-18 22:47:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
sfeng.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ 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 sfeng.jp (unsigned zone)

⏱️ Timing

Total: 1194ms | Queries: -

📄 Records

TypeCountSample Data
A1210.224.185.203
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1sfeng.jp (pri: 10)
TXT1v=spf1 a:www2563.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1.dns.ne.jp, ns2.dns.ne.jp)

AI analysis

sfeng.jp serves as a mail server for sfeng.jp.

sfeng.jp points to a single IP: 210.224.185.203.

Other host names, for instance sunroll.jp, omaesaikou.sakura.ne.jp, rainmonitor.net, zonafandom.com and musinkai.com share IP numbers with sfeng.jp.

sfeng.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

sfeng.jp partially shares name servers with other domains; examples include himeweb.com, lasik-minato.com, shinetuk.com, hoei-k.co.jp and kosumosunokai.sakura.ne.jp.

Host names with one IP number:

Host master.dns.ne.jp points to 210.224.172.18.

Host ns1.dns.ne.jp points to 61.211.236.1.

Host ns2.dns.ne.jp points to 133.167.21.1.

sfeng.jp is handled by a single mail server, sfeng.jp.

sfeng.jp points to a single IP: 210.224.185.203.