tanwa.net - robtex.com

tanwa.net

DNSSEC⚠️ Not signed
A183.90.245.27🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv2026.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
MXtanwa.net
A183.90.245.27🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv2026.xserver.jp
TXTv=spf1 +a:sv2026.xserver.jp +a:tanwa.net +mx include:spf.sender.xserver.jp ~all
SOAns1.xserver.jproot@xserver.jp serial=0

net

MX for

Subdomains

Same first word

Similar names

DNS History

12 records (7 active, 5 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpkoyama.gtb.ne.jplink.gtb.ne.jptanwa.tanwa.netMXtanwa.netlink.gtb.ne.jpA183.90.245.27221.115.158.69
NSkoyama.gtb.ne.jp2015-08-19 → 2017-03-29 · 4 obs
● 2015-08-19 02:19:56
● 2017-03-29 07:11:12
○ 2026-06-27 13:46:50
○ 2026-07-27 12:10:12
NSlink.gtb.ne.jp2015-08-19 → 2017-03-29 · 4 obs
● 2015-08-19 02:19:56
● 2017-03-29 07:11:12
○ 2026-06-27 13:46:50
○ 2026-07-27 12:10:12
NSns1.xserver.jp2026-06-27 → 2026-07-27 · 3 obs
○ 2017-03-29 07:11:12
● 2026-06-27 13:46:50
● 2026-07-27 12:10:12
NSns2.xserver.jp2026-06-27 → 2026-07-27 · 3 obs
○ 2017-03-29 07:11:12
● 2026-06-27 13:46:50
● 2026-07-27 12:10:12
NSns3.xserver.jp2026-06-27 → 2026-07-27 · 3 obs
○ 2017-03-29 07:11:12
● 2026-06-27 13:46:50
● 2026-07-27 12:10:12
NSns4.xserver.jp2026-06-27 → 2026-07-27 · 3 obs
○ 2017-03-29 07:11:12
● 2026-06-27 13:46:50
● 2026-07-27 12:10:12
NSns5.xserver.jp2026-06-27 → 2026-07-27 · 3 obs
○ 2017-03-29 07:11:12
● 2026-06-27 13:46:50
● 2026-07-27 12:10:12
NStanwa.tanwa.net2015-08-19 → 2017-03-29 · 4 obs
● 2015-08-19 02:19:56
● 2017-03-29 07:11:12
○ 2026-06-27 13:46:50
○ 2026-07-27 12:10:12
MXlink.gtb.ne.jp2015-08-19 → 2017-03-29 · 4 obs
● 2015-08-19 02:19:56
● 2017-03-29 07:11:12
○ 2026-06-27 13:46:50
○ 2026-07-27 12:10:12
MXtanwa.net2026-06-27 → 2026-07-27 · 3 obs
○ 2017-03-29 07:11:12
● 2026-06-27 13:46:50
● 2026-07-27 12:10:12
A183.90.245.272026-06-27 → 2026-07-27 · 3 obs
○ 2017-03-29 07:11:12
● 2026-06-27 13:46:50
● 2026-07-27 12:10:12
A221.115.158.692015-08-19 → 2017-03-29 · 4 obs
● 2015-08-19 02:19:56
● 2017-03-29 07:11:12
○ 2026-06-27 13:46:50
○ 2026-07-27 12:10:12

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
neta.gtld-servers.net, b.gtld-servers.net, f.gtld-servers.net, j.gtld-servers.net...-
tanwa.netns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp...-

✅ Authoritative Response

Server:202.226.36.164

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 tanwa.net (unsigned zone)

⏱️ Timing

Total: 405ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.245.27
NS5ns1.xserver.jp, ns4.xserver.jp...
MX1tanwa.net (pri: 0)
TXT1v=spf1 +a:sv2026.xserver.jp +a:tanwa.net
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Hierarchy

tanwa.net is a parent domain of tanwa.tanwa.net.

Mail Server Role

The MX record for tanwa.net points back to tanwa.net — it is its own mail server.

IP Addresses

tanwa.net directs to one IP number, which is 183.90.245.27.

Among the host names that share IP numbers with tanwa.net are fod-baseball.com, jaguchi.info, blog.kyotoworkhouse.com and two others.

Name Servers

The authoritative name servers for tanwa.net are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

tanwa.net shares at least some of its name servers with other domains, including ikuta-kodomo.com, unwomen-nc.jp, beauty-anela.com and two others.

These name servers are frequently paired with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hosts with three IP address records:

ns1.xserver.jp resolves to 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp resolves to 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp resolves to 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Hosts that resolve to one IP address:

ns2.xserver.jp resolves to 35.72.43.26.

ns3.xserver.jp resolves to 202.226.36.247.

Mail Servers

The MX record for tanwa.net points to a single mail server: tanwa.net.

tanwa.net points to one IP number — 183.90.245.27.