tetsuan.com - robtex.com

tetsuan.com

DNSSECโš ๏ธ Not signed
A163.43.87.193๐Ÿ‡ฏ๐Ÿ‡ต SAKURA-B163.43.0.0/16 (TOKYO) SAKURA Internet // EAST JAPAN BACKBONE Sakaisuji Honmachi Bldg. 9F 1-8-14 Minami-Honmachi, Chuo-ku Osaka 541-0054, Japan
PTRwww3953.sakura.ne.jp
NSns1.xserver.jp โญ
A202.226.36.164๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26๐Ÿ‡ฏ๐Ÿ‡ต Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp โš ๏ธ Not in parent delegation
A183.90.224.226๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp โš ๏ธ Not in parent delegation
A157.112.182.218๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXsv13096.xserver.jp โญ
A162.43.116.97๐Ÿ‡ฏ๐Ÿ‡ต XSERVER-AS162.43.112.0/21 XSERVER Inc.
PTRsv13096.xserver.jp
TXTv=spf1 +a:sv13096.xserver.jp +a:tetsuan.com +mx include:spf.sender.xserver.jp...
SOAns1.xserver.jproot@xserver.jp serial=0

com

Same first word

Similar names

DNS History

7 records (7 active, 0 former)

NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpMXsv13096.xserver.jpA163.43.87.193
โ—NSns1.xserver.jp2026-06-21 โ†’ 2026-07-14 ยท 2 obs
โ— 2026-06-21 11:22:44
โ— 2026-07-14 14:38:48
โ—NSns2.xserver.jp2026-06-21 โ†’ 2026-07-14 ยท 2 obs
โ— 2026-06-21 11:22:44
โ— 2026-07-14 14:38:48
โ—NSns3.xserver.jp2026-06-21 โ†’ 2026-07-14 ยท 2 obs
โ— 2026-06-21 11:22:44
โ— 2026-07-14 14:38:48
โ—NSns4.xserver.jp2026-06-21 โ†’ 2026-07-14 ยท 2 obs
โ— 2026-06-21 11:22:44
โ— 2026-07-14 14:38:48
โ—NSns5.xserver.jp2026-06-21 โ†’ 2026-07-14 ยท 2 obs
โ— 2026-06-21 11:22:44
โ— 2026-07-14 14:38:48
โ—MXsv13096.xserver.jp2026-06-21 โ†’ 2026-07-14 ยท 2 obs
โ— 2026-06-21 11:22:44
โ— 2026-07-14 14:38:48
โ—A163.43.87.1932026-06-21 โ†’ 2026-07-14 ยท 2 obs
โ— 2026-06-21 11:22:44
โ— 2026-07-14 14:38:48

๐Ÿ” DNS Trace

๐Ÿ“‹ Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, i.gtld-servers.net, m.gtld-servers.net, c.gtld-servers.net...-
tetsuan.comns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp-

โœ… Authoritative Response

Server:202.226.36.246

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

๐Ÿ”’ DNSSEC Status

โš ๏ธ Insecure (no DNSSEC)

No DS record for tetsuan.com (unsigned zone)

โฑ๏ธ Timing

Total: 1028ms | Queries: -

๐Ÿ“„ Records

TypeCountSample Data
A1163.43.87.193
NS5ns4.xserver.jp, ns1.xserver.jp...
MX1sv13096.xserver.jp (pri: 10)
TXT1v=spf1 +a:sv13096.xserver.jp +a:tetsuan.
SOA1ns1.xserver.jp root.xserver.jp

Analysis

IP Addresses

tetsuan.com resolves to one IP address: 163.43.87.193.

qoosoo.net, boyosha.com, gnsafarova-piano.com and two other host names share IP numbers with tetsuan.com.

Name Servers

tetsuan.com has five name servers, which are ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

At least some of tetsuan.com's name servers are shared with other domains, for example n-y-y.co.jp, marusho358.com, a-style003.com and two more.

These name servers tend to be deployed in combination with the name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that resolve to three IP addresses:

ns1.xserver.jp maps to three IP addresses: 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp maps to three IP addresses: 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp maps to three IP addresses: 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Hosts with just one IP address:

ns2.xserver.jp resolves to the IP address 35.72.43.26.

ns3.xserver.jp resolves to the IP address 202.226.36.247.

Mail Servers

Mail for tetsuan.com is handled by a single mail server, sv13096.xserver.jp.

tetsuan.com, kurumayama-skypark.com and sph.jp all share the same mail server setup.

tetsuan.com overlaps on mail servers with certain other domains, hanayuubi-nihonkai.com among them.

It is common to find these mail servers used together with the mail servers pop3.hanayuubi-nihonkai.com and smtp.hanayuubi-nihonkai.com.

sv13096.xserver.jp resolves to 162.43.116.97 and no other IP number.