`petron.jp`

DNSSEC	⚠️ Not signed
A	157.112.189.42^{🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc.}
		PTR	`sv1041.xserver.jp`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
		A	202.226.36.246^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns1.xserver.jp`
NS	`ns2.xserver.jp`
		A	35.72.43.26^{🇯🇵 Amazon35.72.0.0/13 EC2 NRT prefix}
			PTR	`ns2.xserver.jp`
NS	`ns3.xserver.jp`
		A	202.226.36.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns3.xserver.jp`
NS	`ns4.xserver.jp`
		A	183.90.224.226^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
		A	202.226.39.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns4.xserver.jp`
NS	`ns5.xserver.jp`
		A	157.112.182.218^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
MX	`petron.jp` ⭐
		A	157.112.189.42^{🇯🇵 XSERVER-AS157.112.184.0/21 XSERVER Inc.}
			PTR	`sv1041.xserver.jp`
TXT	`v=spf1 +a:sv1041.xserver.jp +a:petron.jp +mx include:spf.sender.xserver.jp ~all`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`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=1774873802

MX for

petron.jp

Same first word

petron.pl

petron.net

petron.asia

petron.co.kr

petron.ru

petron.eu

petron.com.my

petron.com

petron.com.ph

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petron.jp

petron.fr

petron.ca

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entpro.se

netpro.vn

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porten.ch

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perton.cn

netpro.com.my

tenpro.eu

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proent.com

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pronet.at

pentro.com

pronet.com.pa

netpro.pl

netpro.cl

enprot.pro

pronet.li

pernot.fr

netpro.eu

tropen.us

pronet.pl

entpro.com.tr

pronet.it

pronet.com.sg

pronet.com.ph

netpor.com

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pronet.us

ponert.ca

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pronet.top

preton.ch

porten.de

pronet.pp.ua

tenpro.me

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entrop.org

repton.azurewebsites.net

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nortep.com

noterp.com

tepron.com

repont.cn

orpnet.it

pronet.lv

proten.pl

pronet.sk

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nopter.com

tenpro.pl

prento.dk

netpro.ie

pronet.sy

pronet.cat

pteron.org

netpro.co

pronet.com.au

netpro.de

pronet.ddns.net

proten.com.au

netpro.rs

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porten.nu

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porten.dk

DNS History

15 records (7 active, 8 former)

○NSdns01.park.onamae.com2015-08-06 → 2016-07-08 · 4 obs

● 2015-08-06 01:08:58
● 2016-07-08 07:51:08
○ 2016-12-19 14:57:52
○ 2026-03-30 12:43:02

○NSdns02.park.onamae.com2015-08-06 → 2016-07-08 · 4 obs

● 2015-08-06 01:08:58
● 2016-07-08 07:51:08
○ 2016-12-19 14:57:52
○ 2026-03-30 12:43:02

○NSdns1.onamae.com2016-12-19 → 2017-08-20 · 5 obs

○ 2016-07-08 07:51:08
● 2016-12-19 14:57:52
● 2017-08-20 13:43:16
○ 2026-03-26 04:29:52
○ 2026-03-30 12:43:02

○NSdns2.onamae.com2016-12-19 → 2017-08-20 · 5 obs

○ 2016-07-08 07:51:08
● 2016-12-19 14:57:52
● 2017-08-20 13:43:16
○ 2026-03-26 04:29:52
○ 2026-03-30 12:43:02

○NSns1.gmointernet.com2015-08-06 → 2016-07-08 · 4 obs

● 2015-08-06 01:08:58
● 2016-07-08 07:51:08
○ 2016-12-19 14:57:52
○ 2026-03-30 12:43:02

●NSns1.xserver.jp2026-03-26 → 2026-03-30 · 3 obs

○ 2017-08-20 13:43:16
● 2026-03-26 04:29:52
● 2026-03-30 12:43:02

●NSns2.xserver.jp2026-03-26 → 2026-03-30 · 3 obs

○ 2017-08-20 13:43:16
● 2026-03-26 04:29:52
● 2026-03-30 12:43:02

●NSns3.xserver.jp2026-03-26 → 2026-03-30 · 3 obs

○ 2017-08-20 13:43:16
● 2026-03-26 04:29:52
● 2026-03-30 12:43:02

●NSns4.xserver.jp2026-03-26 → 2026-03-30 · 3 obs

○ 2017-08-20 13:43:16
● 2026-03-26 04:29:52
● 2026-03-30 12:43:02

●NSns5.xserver.jp2026-03-26 → 2026-03-30 · 3 obs

○ 2017-08-20 13:43:16
● 2026-03-26 04:29:52
● 2026-03-30 12:43:02

●MXpetron.jp2026-03-26 → 2026-03-30 · 2 obs

● 2026-03-26 04:29:52
● 2026-03-30 12:43:02

○A150.95.255.382017-08-20 → 2017-08-20 · 4 obs

○ 2016-12-19 14:57:52
● 2017-08-20 13:43:16
○ 2026-03-26 04:29:52
○ 2026-03-30 12:43:02

●A157.112.189.422026-03-26 → 2026-03-30 · 3 obs

○ 2017-08-20 13:43:16
● 2026-03-26 04:29:52
● 2026-03-30 12:43:02

○A210.157.1.1342015-08-06 → 2016-12-19 · 6 obs

● 2015-08-06 01:08:58
● 2016-03-01 06:34:56
○ 2016-07-08 07:51:08
● 2016-12-19 14:57:52
○ 2017-08-20 13:43:16
○ 2026-03-30 12:43:02

○A210.172.133.122016-07-08 → 2016-07-08 · 4 obs

○ 2016-03-01 06:34:56
● 2016-07-08 07:51:08
○ 2016-12-19 14:57:52
○ 2026-03-30 12:43:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
jp	a.dns.jp, d.dns.jp, g.dns.jp, e.dns.jp...	-
petron.jp	ns3.xserver.jp, ns1.xserver.jp, ns5.xserver.jp, ns2.xserver.jp...	11 records

✅ Authoritative Response

Server:202.226.36.247

NS records: ns3.xserver.jp, ns1.xserver.jp, ns5.xserver.jp, ns2.xserver.jp, ns4.xserver.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for petron.jp (unsigned zone)

⏱️ Timing

Total: 3857ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`157.112.189.42`
NS	5	`ns5.xserver.jp, ns3.xserver.jp...`
MX	1	`petron.jp (pri: 0)`
TXT	1	`v=spf1 +a:sv1041.xserver.jp +a:petron.jp`
SOA	1	`ns1.xserver.jp root.xserver.jp`

📌 Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns5.xserver.jp, ns5.xserver.jp, ns5.xserver.jp...)

Analysis

Mail Server Role

petron.jp serves as the mail server for petron.jp.

IP Addresses

petron.jp resolves to a single IP address: 157.112.189.42.

Other host names including tyu-1.com, pc7.co, ns.for-life.net, asiagap.jp and mail.dougu.info share IP numbers with petron.jp.

Name Servers

petron.jp is delegated to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp and ns5.xserver.jp.

petron.jp at least partially shares name servers with other domains, including marron-dietrecipe.com, nu-coco.com, jibeer.jp, matudakenbi.com and invisa.jp.

These name servers are often used together with ns6.xserver.jp.

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

A single mail server handles petron.jp.

petron.jp points to a single IP: 157.112.189.42.

petron.jp - robtex.com

petron.jp

jp

MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

Mail Server Role

IP Addresses

Name Servers

Mail Servers

`petron.jp`

`jp`