refrex.info - dns.ninja

refrex.info

DNSSEC⚠️ Not signed
A112.78.112.61🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww1751.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 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
PTRns2.dns.ne.jp
MXrefrex.info ⭐
A112.78.112.61🇯🇵 SAKURA-C112.78.112.0/20 (4/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww1751.sakura.ne.jp
TXTv=spf1 a:www1751.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-09-22 #2

info

DNSSEC🔒 Signed (DS record present)
NSa0.info.afilias-nst.info ⭐
NSa2.info.afilias-nst.info
NSb0.info.afilias-nst.org ⚠️ Not in parent delegation
NSb2.info.afilias-nst.org ⚠️ Not in parent delegation
NSc0.info.afilias-nst.info
NSd0.info.afilias-nst.org ⚠️ Not in parent delegation
SOAa0.info.afilias-nst.infohostmaster@donuts.email serial=1785763073

MX for

refrex.info

Same first word

refrex.com.my
refrex.info
refrex.com.br
refrex.com

Similar names

rrfeex.com
freerx.com
xferre.com
ferrex.info
freexr.com
freerx.co
ferrex.net
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ferrex.pl
rxfree.net
ferrex.cl
ferrex.ru
xrefer.org
ferrex.org
ferrex.de
ferrex.com
freerx.discount
rexref.com
referx.com
freerx.org
freerx.us
ferrex.nl
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reefrx.com
xrfree.com
freerx.net
ferrex.com.py
ferrex.com.ve
frerex.com
frexer.com
xrefer.com
rxfree.org
rxfree.com

DNS History

5 records (5 active, 0 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXrefrex.infoA112.78.112.61
●NSmaster.dns.ne.jp2015-07-06 → 2026-08-03 · 2 obs
● 2015-07-06 22:09:38
● 2026-08-03 13:47:38
●NSns1.dns.ne.jp2015-07-06 → 2026-08-03 · 2 obs
● 2015-07-06 22:09:38
● 2026-08-03 13:47:38
●NSns2.dns.ne.jp2015-07-06 → 2026-08-03 · 2 obs
● 2015-07-06 22:09:38
● 2026-08-03 13:47:38
●MXrefrex.info2015-07-06 → 2026-08-03 · 2 obs
● 2015-07-06 22:09:38
● 2026-08-03 13:47:38
●A112.78.112.612015-07-06 → 2026-08-03 · 2 obs
● 2015-07-06 22:09:38
● 2026-08-03 13:47:38

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
infoa2.info.afilias-nst.info, a0.info.afilias-nst.info, c0.info.afilias-nst.info-
refrex.infons2.dns.ne.jp, ns1.dns.ne.jp-

✅ Authoritative Response

Server:133.167.21.1

NS records: ns2.dns.ne.jp, ns1.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for refrex.info (unsigned zone)

⏱️ Timing

Total: 429ms | Queries: -

📄 Records

TypeCountSample Data
A1112.78.112.61
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1refrex.info (pri: 10)
TXT1v=spf1 a:www1751.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

refrex.info acts as its own mail server.

IP Addresses

refrex.info points to a single IP number: 112.78.112.61.

Additional host names — isiken.co.jp, conpt.jp, nakamurasyaji.sakura.ne.jp and two others — share IP numbers with refrex.info.

Name Servers

refrex.info is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

refrex.info shares at least some of its name servers with other domains, including okayama-seagulls.sakura.ne.jp, touhoku-suidou.com, kj.kojo.ed.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

refrex.info has a single mail server: refrex.info itself.

refrex.info resolves to 112.78.112.61 and no other IP number.