doubleb.org - dns.ninja

`doubleb.org`

DNSSEC	⚠️ Not signed
NS	`ns3.european-server.com` ⭐ ⚠️ Not in parent delegation
		A	2a00:1c98::53:1^{🇧🇪 COMBELL-AS2a00:1c98::/32 COMBELL Network}
			PTR	`ns3.combell.net`
		A	83.217.73.172^{🇧🇪 COMBELL-AS83.217.64.0/19 Combell Network}
			PTR	`ns3.combell.net`
NS	`ns1.european-server.eu` ⚠️ Not in parent delegation
		A	2a00:1c98:50::50^{🇧🇪 COMBELL-AS2a00:1c98:50::/44}
		A	89.44.166.48^{🇧🇪 COMBELL-AS89.44.166.0/23 Combell Network}
			PTR	`89.44.166.48.static.hosted.by.combell-ops.net`
NS	`ns3.combell.net` ⚠️ Not in zone NS records
		A	2a00:1c98::53:1^{🇧🇪 COMBELL-AS2a00:1c98::/32 COMBELL Network}
			PTR	`ns3.combell.net`
		A	83.217.73.172^{🇧🇪 COMBELL-AS83.217.64.0/19 Combell Network}
			PTR	`ns3.combell.net`
NS	`ns4.combell.net` ⚠️ Not in zone NS records
		A	2001:1598:0:101::3^{🇧🇪 EASYHOST-COLO-AS2001:1598::/32 Easyhost Network}
			PTR	`ns4.combell.net`
		A	86.39.202.67^{🇧🇪 EASYHOST-COLO-AS86.39.128.0/17 Easyhost Network}
			PTR	`ns4.combell.net`
NS	`ns4.european-server.com` ⚠️ Not in parent delegation
		A	2001:1598:0:101::3^{🇧🇪 EASYHOST-COLO-AS2001:1598::/32 Easyhost Network}
			PTR	`ns4.combell.net`
		A	86.39.202.67^{🇧🇪 EASYHOST-COLO-AS86.39.128.0/17 Easyhost Network}
			PTR	`ns4.combell.net`
MX	`doubleb-org.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db3pr0202cu00100.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::4^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00204.inbound.protection.outlook.com`
		A	2a01:111:f403:ca04::a^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-du0pr03cu00102.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::e^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am7pr05cu00206.inbound.protection.outlook.com`
		A	52.101.68.15^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-db6pr03cu00107.inbound.protection.outlook.com`
		A	52.101.68.29^{🇮🇪 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-dbapr03cu00105.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.4^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am0pr83cu00404.inbound.protection.outlook.com`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
SOA	`ns3.european-server.com`hostmaster@doubleb.org serial=1669488863

`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=1783721988

Previously MX for

doubleb.org

Same first word

doubleb.org

doubleb.eu

doubleb.ca

doubleb.com

doubleb.be

doubleb.nl

doubleb.it

doubleb.fr

doubleb.ru

Similar names

doubble.ng

blueobd.com

bebould.com

dubbelo.nl

doubble.nl

doubble.app

doubble.eu

dubbleo.com

dobbleu.com

DNS History

14 records (6 active, 8 former)

○NSns0.transip.nl2016-07-08 → 2017-02-16 · 4 obs

● 2016-07-08 10:50:24
● 2017-02-16 02:07:00
○ 2026-03-04 13:22:50
○ 2026-07-10 22:49:30

●NSns1.european-server.eu2026-03-04 → 2026-07-10 · 3 obs

○ 2017-02-16 02:07:00
● 2026-03-04 13:22:50
● 2026-07-10 22:49:30

○NSns1.transip.net2016-07-08 → 2017-02-16 · 4 obs

● 2016-07-08 10:50:24
● 2017-02-16 02:07:00
○ 2026-03-04 13:22:50
○ 2026-07-10 22:49:30

○NSns2.transip.eu2016-07-08 → 2017-02-16 · 4 obs

● 2016-07-08 10:50:24
● 2017-02-16 02:07:00
○ 2026-03-04 13:22:50
○ 2026-07-10 22:49:30

●NSns3.combell.net2026-03-04 → 2026-07-10 · 3 obs

○ 2017-02-16 02:07:00
● 2026-03-04 13:22:50
● 2026-07-10 22:49:30

●NSns3.european-server.com2026-03-04 → 2026-07-10 · 3 obs

○ 2017-02-16 02:07:00
● 2026-03-04 13:22:50
● 2026-07-10 22:49:30

●NSns4.combell.net2026-03-04 → 2026-07-10 · 3 obs

○ 2017-02-16 02:07:00
● 2026-03-04 13:22:50
● 2026-07-10 22:49:30

●NSns4.european-server.com2026-03-04 → 2026-07-10 · 3 obs

○ 2017-02-16 02:07:00
● 2026-03-04 13:22:50
● 2026-07-10 22:49:30

●MXdoubleb-org.mail.protection.outlook.com2026-03-04 → 2026-07-10 · 3 obs

○ 2017-02-16 02:07:00
● 2026-03-04 13:22:50
● 2026-07-10 22:49:30

○MXdoubleb.org2016-07-08 → 2017-02-16 · 4 obs

● 2016-07-08 10:50:24
● 2017-02-16 02:07:00
○ 2026-03-04 13:22:50
○ 2026-07-10 22:49:30

○A2a01:7c8:3:1337::272016-07-08 → 2017-02-16 · 5 obs

○ 2015-08-01 02:25:54
● 2016-07-08 10:50:24
● 2017-02-16 02:07:00
○ 2026-03-04 13:22:50
○ 2026-07-10 22:49:30

○A37.97.254.272016-07-08 → 2017-02-16 · 5 obs

○ 2015-08-01 02:25:54
● 2016-07-08 10:50:24
● 2017-02-16 02:07:00
○ 2026-03-04 13:22:50
○ 2026-07-10 22:49:30

○A8.5.1.162015-08-01 → 2015-08-01 · 3 obs

● 2015-08-01 02:25:54
○ 2026-03-04 13:22:50
○ 2026-07-10 22:49:30

○CNAMEmelbourneit.hotkeysparking.com2015-08-01 → 2015-08-01 · 3 obs

● 2015-08-01 02:25:54
○ 2015-12-08 04:28:46
○ 2026-07-10 22:49:30

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
doubleb.org	ns3.combell.net, ns4.combell.net	-

✅ Authoritative Response

Server:86.39.202.67

NS records: ns3.combell.net, ns4.combell.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doubleb.org (unsigned zone)

⏱️ Timing

Total: 1050ms | Queries: -

📄 Records

Type	Count	Sample Data
NS	3	`ns3.european-server.com, ns1.european-server.eu...`
MX	1	`doubleb-org.mail.protection.outlook.com`
TXT	1	`v=spf1 include:spf.protection.outlook.co`
SOA	1	`ns3.european-server.com hostmaster.doubl`

Analysis

Name Servers

doubleb.org delegates to five name servers: ns3.european-server.com, ns4.european-server.com, ns1.european-server.eu and two others.

There is at least partial name server overlap between doubleb.org and other domains — jimd.be, welec.be, oryx.pro and two more among them.

These name servers regularly appear alongside ns3.combell.net, ns4.combell.net, ns1.combell.eu and 3 other name servers in NS record sets.

Host names that have two IP addresses:

ns3.european-server.com points to 83.217.73.172 and 2a00:1c98::53:1.

ns4.european-server.com points to 86.39.202.67 and 2001:1598:0:101::3.

ns1.european-server.eu points to 89.44.166.48 and 2a00:1c98:50::50.

ns3.combell.net points to 83.217.73.172 and 2a00:1c98::53:1.

ns4.combell.net points to 86.39.202.67 and 2001:1598:0:101::3.

ns3.european-server.com and ns3.combell.net are host names that each point to 2a00:1c98::53:1 IP addresses.

ns3.european-server.com and ns3.combell.net are host names that each point to 83.217.73.172 IP addresses.

ns4.european-server.com and ns4.combell.net are host names that each point to 2001:1598:0:101::3 IP addresses.

ns4.european-server.com and ns4.combell.net are host names that each point to 86.39.202.67 IP addresses.

Mail Servers

The sole mail server for doubleb.org is doubleb-org.mail.protection.outlook.com.

With 8 IP addresses total, doubleb-org.mail.protection.outlook.com resolves to 52.101.68.15, 52.101.68.29, 52.101.73.2 and 5 others.