`mail1.biwacity.com`

	DNSSEC	⚠️ Not signed
	A	116.197.171.121^{🇯🇵 VCIU-NET-AS116.197.168.0/21 PACNET (proxy-registered route object)}

`biwacity.com`

	DNSSEC	⚠️ Not signed
	A	157.7.184.30^{🇯🇵 GMO-INTERNET157.7.128.0/17 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan}
	NS	`ns1.gslb4.sakura.ne.jp` ⭐
	NS	`ns2.gslb4.sakura.ne.jp`
	MX	`biwa.sakura.ne.jp` ⭐
	TXT	`google-site-verification=hKTgXSag6GJ_eADQ4Thr6FsQfO9svj_dfOddnjuLAfI`
	TXT	`v=spf1 ip4:49.212.243.170 mx ~all`
	SOA	`ns1.gslb4.sakura.ne.jp`noc@sakura.ad.jp serial=1

PTR for

121.64_26.171.197.116.in-addr.arpa

MX for

take-ac.com

kenko-ouen.com

g-1.jp

cabic.biz

takahiro.cc

po-t.com

eco-friendly.co.jp

Previously MX for

Same first word

mail1.ai

mail1.email

mail1.top

mail1.gov.ru

mail1.se

mail1.edu.tw

mail1.at

mail1.kinghost.net

mail1.ws

mail1.nl

mail1.in

mail1.cloudns.cl

mail1.org

mail1.hu

mail1.dk

mail1.servehttp.com

mail1.info

mail1.io

mail1.de

mail1.ca

mail1.ru

mail1.com

mail1.us

mail1.eu

mail1.pp.ua

mail1.net

mail1.myfritz.net

mail1.co

mail1.biz

mail1.cc

mail1.gov.bn

mail1.mine.nu

mail1.pro

mail1.mil.ru

mail1.no

mail1.servebeer.com

mail1.cloudaccess.net

mail1.sakura.ne.jp

Similar names

1mila.pl

lima1.com

1mail.lt

1mail.de

1mail.co

1mail.one

liam1.de

1mail.ca

1mail.us

1mail.cz

1mail.nl

1mail.ch

1mail.tw

1mail.com

mali1.com

1mail.it

1mail.org

alim1.com

1mail.co.uk

1mail.gr

1mail.at

1mail.be

1mail.dk

1mail.ru

1mail.tv

liam1.com

1mila.com

1mail.ovh

1mail.pro

1mail.fr

1mail.co.za

1mail.info

DNS History

2 records (1 active, 1 former)

●A116.197.171.1212018-09-18 → 2026-05-14 · 3 obs

○ 2017-06-12 19:55:08
● 2018-09-18 14:10:48
● 2026-05-14 13:20:12

○A210.189.163.2302015-06-11 → 2017-06-12 · 4 obs

● 2015-06-11 11:21:32
● 2017-06-12 19:55:08
○ 2018-09-18 14:10:48
○ 2026-05-14 13:20:12

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
biwacity.com	ns1.gslb4.sakura.ne.jp, ns2.gslb4.sakura.ne.jp	-

✅ Authoritative Response

Server:163.43.127.196

NS records: ns1.gslb4.sakura.ne.jp, ns2.gslb4.sakura.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for biwacity.com (unsigned zone)

⏱️ Timing

Total: 1120ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`116.197.171.121`

Analysis

Mail Server Role

mail1.biwacity.com serves as a mail server for take-ac.com, kenko-ouen.com, g-1.jp, cabic.biz, takahiro.cc and a few other domains.

IP Addresses

mail1.biwacity.com points to a single IP number: 116.197.171.121.

mail1.biwacity.com - robtex.com