runtec.jp - dns.ninja

🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`runtec.jp`

DNSSEC	⚠️ Not signed
A	216.230.253.72^{🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US}
		PTR	`webltw72.alpha-mail.jp`
NS	`kotetsu.alpha-lt.net` ⭐
		A	157.205.252.6^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`amdns01.alpha-mail.jp`
NS	`amdns03.alpha-mail.jp`
		A	216.230.254.112^{🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US}
NS	`tsukuba.aics.ne.jp`
		A	157.205.252.7^{🇯🇵 AICS157.205.0.0/16 PACNET (proxy-registered route object)}
			PTR	`amdns02.alpha-mail.jp`
MX	`ampub01.alpha-mail.net` ⭐
		A	216.230.254.1^{🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US}
			PTR	`ampub01.alpha-mail.net`
MX	`ampub02.alpha-mail.net` ⭐
		A	216.230.254.2^{🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US}
			PTR	`ampub02.alpha-mail.net`
MX	`ampub03.alpha-mail.net` ⭐
		A	216.230.254.3^{🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US}
MX	`ampub04.alpha-mail.net`⁽⁵⁰⁾
		A	216.230.254.4^{🇺🇸 PSPinc216.230.248.0/21 Pacific Software Publishing, Inc. 1404 140th Place NE Bellevue WA 98007 US}
			PTR	`ampub04.alpha-mail.net`
TXT	`v=spf1 ip4:157.205.202.0/24 ip4:157.205.203.128/25 ip4:216.230.250.0/24 ip4:2...`
SOA	`kotetsu.alpha-lt.net`postmaster@alpha-web.ne.jp 2023-07-28 #8

`jp`

	DNSSEC	🔒 Signed (DS record present)
	NS	`z.dns.jp` ⭐
	NS	`a.dns.jp`
	NS	`b.dns.jp`
	NS	`c.dns.jp`
	NS	`d.dns.jp`
	NS	`e.dns.jp`
	NS	`f.dns.jp`
	NS	`g.dns.jp`
	NS	`h.dns.jp`
	SOA	`z.dns.jp`root@dns.jp serial=1786881602

Same first word

runtec.cn

runtec.info

runtec.jp

runtec.com.br

runtec.co.jp

runtec.com

runtec.ru

Similar names

ucrent.ee

tuncer.com

tuncer.web.tr

tecrun.com.cn

netcur.net

tecrun.com

tuncer.com.tr

curent.cn

centur.net

trunce.org

cutern.com

rentcu.net

tunerc.si

trunce.com

tecrun.cn

trunec.com

curten.com

tuncer.de

runect.com

tuncer.ch

centur.com.ua

nurtec.com.hk

crunet.com

centru.de

centur.pl

centur.com.pl

curnet.nl

tecrun.net

retucn.com

nectur.com

crtune.com

tuncer.dk

curnet.be

urcnet.com

nurtec.com

cenrut.org

cntrue.com

ertunc.com.tr

tunerc.com

tuncer.org

tuncer.co.uk

centru.sk

tuncer.net

tuncer.tc

nurcet.net

cutner.com

ceturn.com

curnet.xyz

(0x63756e74)er.cfd

netcur.com

tuncer.eu

uncert.com

centur.cn

nurtec.hk

ucentr.com

rentuc.com

centru.co.uk

cnrute.com

tuncer.se

tuncer.be

ertunc.com

curnet.com

centur.us

centur.com.br

(0x63756e74)er.de

centru.cz

ertunc.info

(0x63756e74)er.com

curent.de

tuncer.email

tuncer.nl

turenc.com

tencur.com

rentcu.com

cutner.de

ucrnet.com

tuncer.ru

tecnur.es

curent.com

tuncer.us

ecturn.com

DNS History

9 records (8 active, 1 former)

●NSamdns03.alpha-mail.jp2026-07-01 → 2026-08-16 · 3 obs

○ 2015-06-20 17:59:00
● 2026-07-01 08:26:26
● 2026-08-16 12:34:40

●NSkotetsu.alpha-lt.net2015-06-20 → 2026-08-16 · 2 obs

● 2015-06-20 17:59:00
● 2026-08-16 12:34:40

●NStsukuba.aics.ne.jp2015-06-20 → 2026-08-16 · 2 obs

● 2015-06-20 17:59:00
● 2026-08-16 12:34:40

●MXampub01.alpha-mail.net2015-06-20 → 2026-08-16 · 2 obs

● 2015-06-20 17:59:00
● 2026-08-16 12:34:40

●MXampub02.alpha-mail.net2015-06-20 → 2026-08-16 · 2 obs

● 2015-06-20 17:59:00
● 2026-08-16 12:34:40

●MXampub03.alpha-mail.net2015-06-20 → 2026-08-16 · 2 obs

● 2015-06-20 17:59:00
● 2026-08-16 12:34:40

●MXampub04.alpha-mail.net2020-04-08 → 2026-08-16 · 3 obs

○ 2015-06-20 17:59:00
● 2020-04-08 04:00:00
● 2026-08-16 12:34:40

○A216.230.250.1692015-06-20 → 2020-04-08 · 4 obs

● 2015-06-20 17:59:00
● 2020-04-08 04:00:00
○ 2026-07-01 08:26:26
○ 2026-08-16 12:34:40

●A216.230.253.722026-07-01 → 2026-08-16 · 3 obs

○ 2020-04-08 04:00:00
● 2026-07-01 08:26:26
● 2026-08-16 12:34:40

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...	-
runtec.jp	amdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp	1 record

✅ Authoritative Response

Server:216.230.254.112

NS records: amdns03.alpha-mail.jp, kotetsu.alpha-lt.net, tsukuba.aics.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for runtec.jp (unsigned zone)

⏱️ Timing

Total: 1233ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`216.230.253.72`
NS	3	`kotetsu.alpha-lt.net, amdns03.alpha-mail.jp...`
MX	4	`ampub01.alpha-mail.net (pri: 10), ampub03.alpha-mail.net (pri: 10)...`
TXT	1	`v=spf1 ip4:157.205.202.0/24 ip4:157.205.`
SOA	1	`kotetsu.alpha-lt.net postmaster.alpha-we`

📌 Glue Records Collected

Total: 1

Out-of-bailiwick: 1 (amdns03.alpha-mail.jp)

Analysis

IP Addresses

runtec.jp has exactly one IP address — 216.230.253.72.

ftp.taisei-sizai.co.jp, ftp.ms-corporation.info, fb-trading.co.jp plus two other host names have IP numbers in common with runtec.jp.

Name Servers

The authoritative name servers for runtec.jp are amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp — three in total.

At least some of runtec.jp's name servers are shared with other domains, for example ac-ef.com, atamimarina.co.jp, lifesize.jp and two more.

The hostnames amdns03.alpha-mail.jp, kotetsu.alpha-lt.net and tsukuba.aics.ne.jp each resolve to a single IP: amdns03.alpha-mail.jp → 216.230.254.112, kotetsu.alpha-lt.net → 157.205.252.6, tsukuba.aics.ne.jp → 157.205.252.7.

Mail Servers

Mail for runtec.jp is handled by four mail servers: ampub01.alpha-mail.net, ampub02.alpha-mail.net, ampub03.alpha-mail.net and ampub04.alpha-mail.net.

At least some of the mail servers used by runtec.jp are shared with other domains: washinosato.co.jp, uchida-j.com, nextvision.jp and two others among them.

Four host names, each with one IP address: ampub01.alpha-mail.net has 216.230.254.1, ampub02.alpha-mail.net has 216.230.254.2, ampub03.alpha-mail.net has 216.230.254.3 and ampub04.alpha-mail.net has 216.230.254.4.