`debianusers.org`

DNSSEC	⚠️ Not signed
A	133.167.76.204^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
		PTR	`os3-368-17200.vs.sakura.ne.jp`
NS	`ns01.f124jp8608.info` ⭐ ⚠️ Not in parent delegation
		A	133.167.76.204^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`os3-368-17200.vs.sakura.ne.jp`
NS	`ns02.f124jp8608.info` ⚠️ Not in parent delegation
		A	133.167.76.204^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`os3-368-17200.vs.sakura.ne.jp`
NS	`ns1.mathieucassegrain.com` ⚠️ Not in zone NS records
		A	133.167.76.204^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`os3-368-17200.vs.sakura.ne.jp`
NS	`ns2.mathieucassegrain.com` ⚠️ Not in zone NS records
		A	133.167.76.204^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`os3-368-17200.vs.sakura.ne.jp`
MX	`debianusers.org` ⭐
		A	133.167.76.204^{🇯🇵 SAKURA-C133.167.0.0/16 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`os3-368-17200.vs.sakura.ne.jp`
TXT	`v=spf1 +a +mx +ip4:133.167.76.204 ~all`
SOA	`ns01.f124jp8608.info`postmaster@debianusers.org 2025-12-01 #30

`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=1778530946

WOT: SAFE (62/100)

PTR for

146.244.192.211.in-addr.arpa

MX for

debianusers.org

Same first word

debianusers.or.kr

debianusers.pl

debianusers.org

Similar names

redebinsusa.net

redebinsusa.com

DNS History

18 records (6 active, 12 former)

●NSns01.f124jp8608.info2026-02-25 → 2026-05-11 · 3 obs

○ 2021-10-09 20:31:42
● 2026-02-25 22:35:10
● 2026-05-11 20:57:46

●NSns02.f124jp8608.info2026-02-25 → 2026-05-11 · 3 obs

○ 2021-10-09 20:31:42
● 2026-02-25 22:35:10
● 2026-05-11 20:57:46

●NSns1.mathieucassegrain.com2026-02-25 → 2026-05-11 · 3 obs

○ 2021-10-09 20:31:42
● 2026-02-25 22:35:10
● 2026-05-11 20:57:46

○NSns1.parkingcrew.net2015-11-04 → 2015-11-04 · 4 obs

○ 2015-06-13 12:54:02
● 2015-11-04 22:04:30
○ 2016-01-23 15:42:36
○ 2026-05-11 20:57:46

○NSns1.sedoparking.com2015-06-13 → 2018-09-19 · 6 obs

● 2015-06-13 12:54:02
○ 2015-11-04 22:04:30
● 2016-01-23 15:42:36
● 2018-09-19 16:46:32
○ 2021-10-09 20:31:42
○ 2026-05-11 20:57:46

●NSns2.mathieucassegrain.com2026-02-25 → 2026-05-11 · 3 obs

○ 2021-10-09 20:31:42
● 2026-02-25 22:35:10
● 2026-05-11 20:57:46

○NSns2.parkingcrew.net2015-11-04 → 2015-11-04 · 4 obs

○ 2015-06-13 12:54:02
● 2015-11-04 22:04:30
○ 2016-01-23 15:42:36
○ 2026-05-11 20:57:46

○NSns2.sedoparking.com2015-06-13 → 2018-09-19 · 6 obs

● 2015-06-13 12:54:02
○ 2015-11-04 22:04:30
● 2016-01-23 15:42:36
● 2018-09-19 16:46:32
○ 2021-10-09 20:31:42
○ 2026-05-11 20:57:46

○NSns21.domaincontrol.com2021-10-09 → 2021-10-09 · 4 obs

○ 2018-09-19 16:46:32
● 2021-10-09 20:31:42
○ 2026-02-25 22:35:10
○ 2026-05-11 20:57:46

○NSns22.domaincontrol.com2021-10-09 → 2021-10-09 · 4 obs

○ 2018-09-19 16:46:32
● 2021-10-09 20:31:42
○ 2026-02-25 22:35:10
○ 2026-05-11 20:57:46

●MXdebianusers.org2026-02-25 → 2026-05-11 · 3 obs

○ 2021-10-09 20:31:42
● 2026-02-25 22:35:10
● 2026-05-11 20:57:46

○MXlocalhost2017-01-27 → 2018-09-19 · 5 obs

○ 2016-05-03 06:19:10
● 2017-01-27 16:23:06
● 2018-09-19 16:46:32
○ 2021-10-09 20:31:42
○ 2026-05-11 20:57:46

○MXmail.h-email.net2015-11-04 → 2015-11-04 · 4 obs

○ 2015-06-13 12:54:02
● 2015-11-04 22:04:30
○ 2016-01-23 15:42:36
○ 2026-05-11 20:57:46

○MXmail.nickstel.com2015-06-13 → 2016-05-03 · 6 obs

● 2015-06-13 12:54:02
○ 2015-11-04 22:04:30
● 2016-01-23 15:42:36
● 2016-05-03 06:19:10
○ 2017-01-27 16:23:06
○ 2026-05-11 20:57:46

●A133.167.76.2042026-02-25 → 2026-05-11 · 3 obs

○ 2021-10-09 20:31:42
● 2026-02-25 22:35:10
● 2026-05-11 20:57:46

○A160.16.227.382021-10-09 → 2021-10-09 · 4 obs

○ 2018-09-19 16:46:32
● 2021-10-09 20:31:42
○ 2026-02-25 22:35:10
○ 2026-05-11 20:57:46

○A185.53.177.82015-11-04 → 2015-11-04 · 4 obs

○ 2015-06-13 12:54:02
● 2015-11-04 22:04:30
○ 2016-01-23 15:42:36
○ 2026-05-11 20:57:46

○A72.52.4.1192015-06-13 → 2018-09-19 · 6 obs

● 2015-06-13 12:54:02
○ 2015-11-04 22:04:30
● 2016-01-23 15:42:36
● 2018-09-19 16:46:32
○ 2021-10-09 20:31:42
○ 2026-05-11 20:57:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
debianusers.org	ns2.mathieucassegrain.com, ns1.mathieucassegrain.com	-

✅ Authoritative Response

Server:133.167.76.204

NS records: ns2.mathieucassegrain.com, ns1.mathieucassegrain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for debianusers.org (unsigned zone)

⏱️ Timing

Total: 3812ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`133.167.76.204`
NS	2	`ns02.f124jp8608.info, ns01.f124jp8608.info`
MX	1	`debianusers.org (pri: 0)`
TXT	1	`v=spf1 +a +mx +ip4:133.167.76.204 ~all`
SOA	1	`ns01.f124jp8608.info postmaster.debianus`

Analysis

Mail Server Role

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

IP Addresses

debianusers.org points to an IP address: 133.167.76.204.

other host names include idpc.info, f124jp8608.info, maisons-accueil-ouest.org, athletenavi.jp and floridapiano.org; they share IP numbers with debianusers.org.

Name Servers

debianusers.org delegates to four name servers: ns1.mathieucassegrain.com, ns2.mathieucassegrain.com, ns01.f124jp8608.info and ns02.f124jp8608.info.

debianusers.org at least partially shares name servers with other domains, for instance piedistanchi.com, g-aoikaze.com, artkleko.com, libbyobryan.com and global-tel.info.

Host names with a single IP:

ns1.mathieucassegrain.com points to 133.167.76.204

ns2.mathieucassegrain.com points to 133.167.76.204

ns01.f124jp8608.info points to 133.167.76.204

ns02.f124jp8608.info points to 133.167.76.204

Host names pointing to 133.167.76.204: ns1.mathieucassegrain.com, ns2.mathieucassegrain.com, ns01.f124jp8608.info and ns02.f124jp8608.info

Mail Servers

debianusers.org is handled by a single mail server.

The host name debianusers.org points to IP 133.167.76.204.

debianusers.org - robtex.com

debianusers.org

org

PTR for

MX for

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

Analysis

Mail Server Role

IP Addresses

Name Servers

Mail Servers

`debianusers.org`

`org`