`dulbea.org`

DNSSEC	⚠️ Not signed
A	202.254.236.141^{🇯🇵 XSERVER-AS202.254.236.0/22 XSERVER Inc.}
		PTR	`sv5140.xserver.jp`
NS	`ns1.xserver.jp` ⭐
		A	202.226.36.164^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ip-202-226-36-164.defastlink.net`
		A	202.226.36.170^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ip-202-226-36-170.defastlink.net`
		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.}
			PTR	`ip-183-90-224-226.defastlink.net`
		A	183.90.224.230^{🇯🇵 XSERVER-AS183.90.224.0/20 XSERVER Inc.}
			PTR	`ip-183-90-224-230.defastlink.net`
		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.}
			PTR	`ip-157-112-182-218.defastlink.net`
		A	157.112.182.220^{🇯🇵 XSERVER-AS157.112.176.0/21 XSERVER Inc.}
			PTR	`ip-157-112-182-220.defastlink.net`
		A	202.226.37.247^{🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.}
			PTR	`ns5.xserver.jp`
MX	`dulbea.org` ⭐
		A	202.254.236.141^{🇯🇵 XSERVER-AS202.254.236.0/22 XSERVER Inc.}
			PTR	`sv5140.xserver.jp`
TXT	`v=spf1 +a:sv5140.xserver.jp +a:dulbea.org +mx include:spf.sender.xserver.jp ~all`
TXT	`google-site-verification=QMKzOomO-D5Ho0FBXv3YKD0bqD7CV3j4WUankVRA4RE`
SOA	`ns1.xserver.jp`root@xserver.jp serial=0

`org`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.org.afilias-nst.info` ⭐ ⚠️ Not in parent delegation
	NS	`a2.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`b0.org.afilias-nst.org`
	NS	`b2.org.afilias-nst.org`
	NS	`c0.org.afilias-nst.info` ⚠️ Not in parent delegation
	NS	`d0.org.afilias-nst.org`
	SOA	`a0.org.afilias-nst.info`hostmaster@donuts.email serial=1773551953

MX for

dulbea.org

Subdomains

www.dulbea.org

Same first word

dulbea.org

Similar names

adblue.dk

dlaube.com

adblue.net

adblue.info

adblue.directory

adblue.me

edulab.info

badelu.de

bluead.co.kr

adblue.biz

aubled.fr

adblue.com.sg

duable.co

deluba.com

adblue.od.ua

adlube.com

delbau.de

edubal.net

adelub.com.br

dalube.org

edulab.cz

adblue.systems

adblue.ru

edulab.sk

edulab.ru

adblue.ltd

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uedlab.org

adblue.ro

edulab.at

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edulab.lk

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labedu.org

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adblue.com.au

adblue.lt

edulab.edu.vn

leabud.com

abedul.org

adblue.co.th

edulab.in

adblue.is

baudel.com

edubal.com

edulab.eu

adblue.com.hk

bedalu.com

adblue.se

adblue.expert

edulab.org

adblue.us

adblue.com

edulab.co.kr

duleba.de

lubeda.com

adblue.fi

edulab.vn

dleuba.com

ublade.com

daubel.de

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aubled.blogspot.com

adlube.net

abedul.com.mx

adblue.site

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dealub.com

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duable.com

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adblue.no

bluead.de

labedu.org.br

adblue.pl

labude.com

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daeubl.at

labdue.nl

duleba.eu

adblue.cn

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edlaub.com

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adblue.network

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duleba.org

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adblue.ie

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baduel.eu

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edulab.net

DNS History

16 records (7 active, 9 former)

○NSdns.ovh.net2015-06-09 → 2016-05-15 · 4 obs

● 2015-06-09 23:03:14
● 2016-05-15 19:18:12
○ 2017-01-13 18:42:04
○ 2026-03-24 13:41:58

○NSns.ovh.net2015-06-09 → 2016-05-15 · 4 obs

● 2015-06-09 23:03:14
● 2016-05-15 19:18:12
○ 2017-01-13 18:42:04
○ 2026-03-24 13:41:58

○NSns1.sedoparking.com2017-01-13 → 2018-07-30 · 5 obs

○ 2016-05-15 19:18:12
● 2017-01-13 18:42:04
● 2018-07-30 06:34:44
○ 2026-02-26 21:49:24
○ 2026-03-24 13:41:58

●NSns1.xserver.jp2026-02-26 → 2026-03-24 · 3 obs

○ 2018-07-30 06:34:44
● 2026-02-26 21:49:24
● 2026-03-24 13:41:58

○NSns2.sedoparking.com2017-01-13 → 2018-07-30 · 5 obs

○ 2016-05-15 19:18:12
● 2017-01-13 18:42:04
● 2018-07-30 06:34:44
○ 2026-02-26 21:49:24
○ 2026-03-24 13:41:58

●NSns2.xserver.jp2026-02-26 → 2026-03-24 · 3 obs

○ 2018-07-30 06:34:44
● 2026-02-26 21:49:24
● 2026-03-24 13:41:58

●NSns3.xserver.jp2026-02-26 → 2026-03-24 · 3 obs

○ 2018-07-30 06:34:44
● 2026-02-26 21:49:24
● 2026-03-24 13:41:58

●NSns4.xserver.jp2026-02-26 → 2026-03-24 · 3 obs

○ 2018-07-30 06:34:44
● 2026-02-26 21:49:24
● 2026-03-24 13:41:58

●NSns5.xserver.jp2026-02-26 → 2026-03-24 · 3 obs

○ 2018-07-30 06:34:44
● 2026-02-26 21:49:24
● 2026-03-24 13:41:58

●MXdulbea.org2026-02-26 → 2026-03-24 · 3 obs

○ 2018-07-30 06:34:44
● 2026-02-26 21:49:24
● 2026-03-24 13:41:58

○MXlocalhost2017-01-13 → 2017-01-13 · 4 obs

○ 2016-05-15 19:18:12
● 2017-01-13 18:42:04
○ 2018-07-30 06:34:44
○ 2026-03-24 13:41:58

○MXlocalhost.mx.*2018-07-30 → 2018-07-30 · 4 obs

○ 2017-01-13 18:42:04
● 2018-07-30 06:34:44
○ 2026-02-26 21:49:24
○ 2026-03-24 13:41:58

○MXredirect.ovh.net2015-06-09 → 2016-05-15 · 4 obs

● 2015-06-09 23:03:14
● 2016-05-15 19:18:12
○ 2017-01-13 18:42:04
○ 2026-03-24 13:41:58

●A202.254.236.1412026-02-26 → 2026-03-24 · 3 obs

○ 2018-07-30 06:34:44
● 2026-02-26 21:49:24
● 2026-03-24 13:41:58

○A213.186.33.52015-06-09 → 2016-05-15 · 4 obs

● 2015-06-09 23:03:14
● 2016-05-15 19:18:12
○ 2017-01-13 18:42:04
○ 2026-03-24 13:41:58

○A72.52.4.1192017-01-13 → 2018-07-30 · 5 obs

○ 2016-05-15 19:18:12
● 2017-01-13 18:42:04
● 2018-07-30 06:34:44
○ 2026-02-26 21:49:24
○ 2026-03-24 13:41:58

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
dulbea.org	ns3.xserver.jp, ns5.xserver.jp, ns2.xserver.jp, ns1.xserver.jp...	-

✅ Authoritative Response

Server:35.72.43.26

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for dulbea.org (unsigned zone)

⏱️ Timing

Total: 1049ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`202.254.236.141`
NS	5	`ns1.xserver.jp, ns4.xserver.jp...`
MX	1	`dulbea.org (pri: 0)`
TXT	2	`v=spf1 +a:sv5140.xserver.jp +a:dulbea.or, google-site-verification=QMKzOomO-D5Ho0F`
SOA	1	`ns1.xserver.jp root.xserver.jp`

Analysis

Hierarchy

The parent of www.dulbea.org is dulbea.org.

Mail Server Role

dulbea.org serves as the mail server for dulbea.org.

IP Addresses

dulbea.org points to IP number: 202.254.236.141.

Other host names such as rinshoin.or.jp, sv5140.xserver.jp, sog-rc27.org, rentaldress-info.com and saito-kogyo.net share IPs with dulbea.org.

Name Servers

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

dulbea.org at least partially shares name servers with other domains, for instance sunpian.com, iekosan.com, kari-up.com, shin-tokyo-tecno.jp and khgrp.co.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

dulbea.org is handled by a single mail server, dulbea.org.

dulbea.org points to a single IP: 202.254.236.141.

dulbea.org - robtex.com

dulbea.org

org

MX for

Subdomains

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Hierarchy

Mail Server Role

IP Addresses

Name Servers

Mail Servers

`dulbea.org`

`org`