f-exchange.com - robtex.com

f-exchange.com

DNSSEC⚠️ Not signed
A183.90.238.42🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRsv2341.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXf-exchange.com ⭐
A183.90.238.42🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.
PTRsv2341.xserver.jp
TXTv=spf1 +a:sv2341.xserver.jp +a:f-exchange.com +mx include:spf.sender.xserver....
SOAns1.xserver.jproot@sv0.xserver.jp serial=0

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1774547832

MX for

f-exchange.com

Same first word

f-exchange.com

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpdns1.registrar-servers.comMXf-exchange.comeforward1.registrar-servers.comeforward2.registrar-servers.comeforward3.registrar-servers.comeforward4.registrar-servers.comeforward5.registrar-servers.comA183.90.238.42209.126.98.200
○NSdns1.registrar-servers.com2015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 11:29:30
○ 2015-10-21 19:45:40
○ 2026-03-26 18:00:40
●NSns1.xserver.jp2026-03-22 → 2026-03-26 · 3 obs
○ 2015-10-21 19:45:40
● 2026-03-22 15:13:00
● 2026-03-26 18:00:40
●NSns2.xserver.jp2026-03-22 → 2026-03-26 · 3 obs
○ 2015-10-21 19:45:40
● 2026-03-22 15:13:00
● 2026-03-26 18:00:40
●NSns3.xserver.jp2026-03-22 → 2026-03-26 · 3 obs
○ 2015-10-21 19:45:40
● 2026-03-22 15:13:00
● 2026-03-26 18:00:40
●NSns4.xserver.jp2026-03-22 → 2026-03-26 · 3 obs
○ 2015-10-21 19:45:40
● 2026-03-22 15:13:00
● 2026-03-26 18:00:40
●NSns5.xserver.jp2026-03-22 → 2026-03-26 · 3 obs
○ 2015-10-21 19:45:40
● 2026-03-22 15:13:00
● 2026-03-26 18:00:40
○MXeforward1.registrar-servers.com2015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 11:29:30
○ 2015-10-21 19:45:40
○ 2026-03-26 18:00:40
○MXeforward2.registrar-servers.com2015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 11:29:30
○ 2015-10-21 19:45:40
○ 2026-03-26 18:00:40
○MXeforward3.registrar-servers.com2015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 11:29:30
○ 2015-10-21 19:45:40
○ 2026-03-26 18:00:40
○MXeforward4.registrar-servers.com2015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 11:29:30
○ 2015-10-21 19:45:40
○ 2026-03-26 18:00:40
○MXeforward5.registrar-servers.com2015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 11:29:30
○ 2015-10-21 19:45:40
○ 2026-03-26 18:00:40
●MXf-exchange.com2026-03-22 → 2026-03-26 · 3 obs
○ 2015-10-21 19:45:40
● 2026-03-22 15:13:00
● 2026-03-26 18:00:40
●A183.90.238.422026-03-22 → 2026-03-26 · 3 obs
○ 2015-10-21 19:45:40
● 2026-03-22 15:13:00
● 2026-03-26 18:00:40
○A209.126.98.2002015-06-07 → 2015-06-07 · 3 obs
● 2015-06-07 11:29:30
○ 2015-10-21 19:45:40
○ 2026-03-26 18:00:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coma.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...-
f-exchange.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:157.112.182.220

NS records: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp, ns5.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for f-exchange.com (unsigned zone)

⏱️ Timing

Total: 1812ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.238.42
NS5ns2.xserver.jp, ns1.xserver.jp...
MX1f-exchange.com (pri: 0)
TXT1v=spf1 +a:sv2341.xserver.jp +a:f-exchang
SOA1ns1.xserver.jp root.sv0.xserver.jp

Analysis

Mail Server Role

f-exchange.com serves as the mail server for f-exchange.com.

IP Addresses

f-exchange.com points to an IP address: 183.90.238.42.

other host names include www.nitten.or.jp, nitten.or.jp, beanbiz.co.jp, acchi.okinawa and lifesinc.co.jp; they share IP numbers with f-exchange.com.

Name Servers

f-exchange.com is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

f-exchange.com at least partially shares name servers with other domains, for instance tekikaku.co.jp, peacetvurdu.org, ghouse.jp, ryojp.com and obento-express.com.

Names with three IP numbers:

ns1.xserver.jp points to: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp points to: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp points to: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Names with one IP number:

ns2.xserver.jp points to: 35.72.43.26.

ns3.xserver.jp points to: 202.226.36.247.

Mail Servers

f-exchange.com is handled by a single mail server.

The host name f-exchange.com points to IP 183.90.238.42.