biwako-open.com - robtex.com

biwako-open.com

DNSSEC⚠️ Not signed
A162.43.101.71🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14870.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
MXbiwako-open.com ⭐
A162.43.101.71🇯🇵 XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv14870.xserver.jp
TXTv=spf1 +a:sv14870.xserver.jp +a:biwako-open.com +mx include:spf.sender.xserve...
SOAns1.xserver.jproot@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=1778463536

MX for

biwako-open.com

Subdomains

www.biwako-open.com

Same first word

biwako-open.com

DNS History

16 records (7 active, 9 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpns-1259.awsdns-29.orgns-1726.awsdns-23.co.ukns-278.awsdns-34.comns-744.awsdns-29.netns1.hot-factory.co.jpns1.hot-factory.ne.jpMXbiwako-open.commail.biwako-open.comA162.43.101.71210.166.215.12459.106.19.72
○NSns-1259.awsdns-29.org2020-01-20 → 2020-01-20 · 4 obs
○ 2017-02-18 11:33:08
● 2020-01-20 11:48:54
○ 2026-03-15 21:01:34
○ 2026-05-11 01:55:54
○NSns-1726.awsdns-23.co.uk2020-01-20 → 2020-01-20 · 4 obs
○ 2017-02-18 11:33:08
● 2020-01-20 11:48:54
○ 2026-03-15 21:01:34
○ 2026-05-11 01:55:54
○NSns-278.awsdns-34.com2020-01-20 → 2020-01-20 · 4 obs
○ 2017-02-18 11:33:08
● 2020-01-20 11:48:54
○ 2026-03-15 21:01:34
○ 2026-05-11 01:55:54
○NSns-744.awsdns-29.net2020-01-20 → 2020-01-20 · 4 obs
○ 2017-02-18 11:33:08
● 2020-01-20 11:48:54
○ 2026-03-15 21:01:34
○ 2026-05-11 01:55:54
○NSns1.hot-factory.co.jp2015-06-26 → 2017-02-18 · 4 obs
● 2015-06-26 21:34:10
● 2017-02-18 11:33:08
○ 2020-01-20 11:48:54
○ 2026-05-11 01:55:54
○NSns1.hot-factory.ne.jp2015-06-26 → 2017-02-18 · 4 obs
● 2015-06-26 21:34:10
● 2017-02-18 11:33:08
○ 2020-01-20 11:48:54
○ 2026-05-11 01:55:54
●NSns1.xserver.jp2026-03-15 → 2026-05-11 · 3 obs
○ 2020-01-20 11:48:54
● 2026-03-15 21:01:34
● 2026-05-11 01:55:54
●NSns2.xserver.jp2026-03-15 → 2026-05-11 · 3 obs
○ 2020-01-20 11:48:54
● 2026-03-15 21:01:34
● 2026-05-11 01:55:54
●NSns3.xserver.jp2026-03-15 → 2026-05-11 · 3 obs
○ 2020-01-20 11:48:54
● 2026-03-15 21:01:34
● 2026-05-11 01:55:54
●NSns4.xserver.jp2026-03-15 → 2026-05-11 · 3 obs
○ 2020-01-20 11:48:54
● 2026-03-15 21:01:34
● 2026-05-11 01:55:54
●NSns5.xserver.jp2026-03-15 → 2026-05-11 · 3 obs
○ 2020-01-20 11:48:54
● 2026-03-15 21:01:34
● 2026-05-11 01:55:54
●MXbiwako-open.com2026-03-15 → 2026-05-11 · 3 obs
○ 2020-01-20 11:48:54
● 2026-03-15 21:01:34
● 2026-05-11 01:55:54
○MXmail.biwako-open.com2015-06-26 → 2020-01-20 · 4 obs
● 2015-06-26 21:34:10
● 2020-01-20 11:48:54
○ 2026-03-15 21:01:34
○ 2026-05-11 01:55:54
●A162.43.101.712026-03-15 → 2026-05-11 · 3 obs
○ 2020-01-20 11:48:54
● 2026-03-15 21:01:34
● 2026-05-11 01:55:54
○A210.166.215.1242015-06-26 → 2017-02-18 · 4 obs
● 2015-06-26 21:34:10
● 2017-02-18 11:33:08
○ 2020-01-20 11:48:54
○ 2026-05-11 01:55:54
○A59.106.19.722020-01-20 → 2020-01-20 · 4 obs
○ 2017-02-18 11:33:08
● 2020-01-20 11:48:54
○ 2026-03-15 21:01:34
○ 2026-05-11 01:55:54

🔍 DNS Trace

📋 Delegation Chain

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

✅ Authoritative Response

Server:35.72.43.26

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 biwako-open.com (unsigned zone)

⏱️ Timing

Total: 4299ms | Queries: -

📄 Records

TypeCountSample Data
A1162.43.101.71
NS5ns5.xserver.jp, ns3.xserver.jp...
MX1biwako-open.com (pri: 0)
TXT1v=spf1 +a:sv14870.xserver.jp +a:biwako-o
SOA1ns1.xserver.jp root.xserver.jp

Analysis

Hierarchy

www.biwako-open.com is a child of biwako-open.com.

Mail Server Role

biwako-open.com serves as the mail server for biwako-open.com.

IP Addresses

biwako-open.com resolves to one IP number: 162.43.101.71.

Other host names, for instance 13akemi.com, central-metal.com, www.1919hotel.com, icek.co.jp and www.kijoan.com share IP numbers with biwako-open.com.

Name Servers

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

biwako-open.com at least partially shares name servers with other domains, including tobi-morisakigumi.com, hygeia.ne.jp, hanakaya.com, yamaokazikou.com and taiko-shop.com.

Host 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.

Host 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

biwako-open.com is handled by a single mail server, biwako-open.com.

Host name biwako-open.com resolves to a single IP: 162.43.101.71.