opencore.org - dns.ninja

`opencore.org`

DNSSEC	⚠️ Not signed
A	217.70.184.38^{🇫🇷 GANDI-AS217.70.184.0/24 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
		PTR	`webredir.vip.gandi.net`
NS	`a.dns.gandi.net` ⭐
		A	2604:3400:abca::1^{🇺🇸 GANDI-LIVEDNS2604:3400:abca::/48 A-DNS}
			PTR	`a.dns.gandi.net`
		A	173.246.98.1^{🇺🇸 GANDI-LIVEDNS173.246.98.0/24 A-DNS}
			PTR	`a.dns.gandi.net`
NS	`b.dns.gandi.net`
		A	2001:4b98:abcb::1^{🇫🇷 GANDI-LIVEDNS2001:4b98:abcb::/48 B-DNS}
			PTR	`b.dns.gandi.net`
		A	213.167.229.1^{🇫🇷 GANDI-LIVEDNS213.167.229.0/24 B-DNS}
			PTR	`b.dns.gandi.net`
NS	`c.dns.gandi.net`
		A	2604:3400:abcc::1^{🇺🇸 GANDI-LIVEDNS2604:3400:abcc::/48 c.dns.gandi.net}
			PTR	`c.dns.gandi.net`
		A	217.70.179.1^{🇫🇷 GANDI-LIVEDNS217.70.179.0/24 C-DNS}
			PTR	`c.dns.gandi.net`
MX	`spool.mail.gandi.net` ⭐
		A	2001:4b98:e00::1^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool.mail.gandi.net`
		A	217.70.178.1^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool.mail.gandi.net`
MX	`fb.mail.gandi.net`⁽⁵⁰⁾
		A	2001:4b98:dc4:8::215^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool6.mail.gandi.net`
		A	2001:4b98:dc4:8::216^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool7.mail.gandi.net`
		A	2001:4b98:dc4:8::217^{🇫🇷 GANDI-AS2001:4b98::/32 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`spool8.mail.gandi.net`
		A	217.70.178.215^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool6.mail.gandi.net`
		A	217.70.178.216^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool7.mail.gandi.net`
		A	217.70.178.217^{🇫🇷 GANDI-AS217.70.176.0/20 GANDI is an ICANN accredited registrar for more information: Web: http://www.gandi.net}
			PTR	`spool8.mail.gandi.net`
TXT	`v=spf1 include:_mailcust.gandi.net ?all`
SOA	`a.dns.gandi.net`hostmaster@gandi.net serial=1484668036

`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=1786720235

Same first word

opencore.eu

opencore.info

opencore.net

opencore.com.br

opencore.nl

opencore.com

opencore.pro

opencore.com.vn

opencore.ch

opencore.ru

opencore.se

opencore.ca

opencore.co.kr

opencore.computer

opencore.org

Similar names

DNS History

17 records (6 active, 11 former)

●NSa.dns.gandi.net2021-04-05 → 2026-08-14 · 3 obs

○ 2017-07-24 14:39:28
● 2021-04-05 21:43:10
● 2026-08-14 15:43:26

●NSb.dns.gandi.net2021-04-05 → 2026-08-14 · 3 obs

○ 2017-07-24 14:39:28
● 2021-04-05 21:43:10
● 2026-08-14 15:43:26

●NSc.dns.gandi.net2021-04-05 → 2026-08-14 · 3 obs

○ 2017-07-24 14:39:28
● 2021-04-05 21:43:10
● 2026-08-14 15:43:26

○NSns1.sedoparking.com2016-04-21 → 2017-05-19 · 9 obs

○ 2016-01-27 22:54:48
● 2016-04-21 14:25:52
● 2016-05-25 08:56:40
○ 2016-06-23 20:12:46
○ 2017-04-13 23:59:34
● 2017-04-20 06:35:16
● 2017-05-19 16:51:04
○ 2017-05-22 19:04:54
○ 2026-08-14 15:43:26

○NSns2.sedoparking.com2016-04-21 → 2017-05-19 · 9 obs

○NSsk.s5.cm.ns1.39.ztomy.com2015-09-03 → 2017-07-24 · 12 obs

● 2015-09-03 20:50:20
● 2016-01-27 22:54:48
○ 2016-04-21 14:25:52
○ 2016-05-25 08:56:40
● 2016-06-23 20:12:46
● 2017-04-13 23:59:34
○ 2017-04-20 06:35:16
○ 2017-05-19 16:51:04
● 2017-05-22 19:04:54
● 2017-07-24 14:39:28
○ 2021-04-05 21:43:10
○ 2026-08-14 15:43:26

○NSsk.s5.cm.ns2.39.ztomy.com2015-09-03 → 2017-07-24 · 12 obs

●MXfb.mail.gandi.net2021-04-05 → 2026-08-14 · 3 obs

○ 2017-05-22 19:04:54
● 2021-04-05 21:43:10
● 2026-08-14 15:43:26

○MXlocalhost2017-04-20 → 2017-05-19 · 5 obs

○ 2016-06-23 20:12:46
● 2017-04-20 06:35:16
● 2017-05-19 16:51:04
○ 2017-05-22 19:04:54
○ 2026-08-14 15:43:26

○MXmail.nickstel.com2016-04-21 → 2016-05-25 · 4 obs

● 2016-04-21 14:25:52
● 2016-05-25 08:56:40
○ 2016-06-23 20:12:46
○ 2026-08-14 15:43:26

●MXspool.mail.gandi.net2021-04-05 → 2026-08-14 · 3 obs

○ 2017-05-22 19:04:54
● 2021-04-05 21:43:10
● 2026-08-14 15:43:26

○A141.8.225.722015-09-03 → 2017-04-13 · 8 obs

● 2015-09-03 20:50:20
● 2016-01-27 22:54:48
○ 2016-04-21 14:25:52
○ 2016-05-25 08:56:40
● 2016-06-23 20:12:46
● 2017-04-13 23:59:34
○ 2017-04-20 06:35:16
○ 2026-08-14 15:43:26

○A208.91.196.1052017-05-22 → 2017-07-24 · 5 obs

○ 2017-05-19 16:51:04
● 2017-05-22 19:04:54
● 2017-07-24 14:39:28
○ 2021-04-05 21:43:10
○ 2026-08-14 15:43:26

●A217.70.184.382021-04-05 → 2026-08-14 · 3 obs

○ 2017-07-24 14:39:28
● 2021-04-05 21:43:10
● 2026-08-14 15:43:26

○A72.52.4.1222017-04-20 → 2017-05-19 · 5 obs

○ 2017-04-13 23:59:34
● 2017-04-20 06:35:16
● 2017-05-19 16:51:04
○ 2017-05-22 19:04:54
○ 2026-08-14 15:43:26

○A72.52.4.912016-04-21 → 2016-05-25 · 5 obs

○ 2016-01-27 22:54:48
● 2016-04-21 14:25:52
● 2016-05-25 08:56:40
○ 2016-06-23 20:12:46
○ 2026-08-14 15:43:26

○PTRsk.s5.cm.ns1.39.ztomy.com2016-11-11 → 2017-07-24 · 8 obs

● 2016-11-11 23:49:36
● 2017-04-13 23:59:34
○ 2017-04-20 06:35:16
○ 2017-05-19 16:51:04
● 2017-05-22 19:04:54
● 2017-07-24 14:39:28
○ 2021-04-05 21:43:10
○ 2026-08-14 15:43:26

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
org	b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org	-
opencore.org	a.dns.gandi.net, b.dns.gandi.net, c.dns.gandi.net	-

✅ Authoritative Response

Server:173.246.98.1

NS records: a.dns.gandi.net, b.dns.gandi.net, c.dns.gandi.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for opencore.org (unsigned zone)

⏱️ Timing

Total: 722ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.70.184.38`
NS	3	`b.dns.gandi.net, a.dns.gandi.net...`
MX	2	`fb.mail.gandi.net (pri: 50), spool.mail.gandi.net (pri: 10)`
TXT	1	`v=spf1 include:_mailcust.gandi.net ?all`
SOA	1	`a.dns.gandi.net hostmaster.gandi.net`

Analysis

IP Addresses

opencore.org resolves to one IP address: 217.70.184.38.

ycabrera.com, 5asec.net, univoq.eu and two other host names share IP numbers with opencore.org.

Name Servers

opencore.org is served by three name servers: a.dns.gandi.net, b.dns.gandi.net and c.dns.gandi.net.

opencore.org partially shares its NS delegation with several other domains, including partenet.com, idonthavea.domain.name, debourg.net and two others.

The hostnames a.dns.gandi.net, b.dns.gandi.net and c.dns.gandi.net each direct to two IP addresses — a.dns.gandi.net to 173.246.98.1 and 2604:3400:abca::1, b.dns.gandi.net to 213.167.229.1 and 2001:4b98:abcb::1, and c.dns.gandi.net to 217.70.179.1 and 2604:3400:abcc::1.

Mail Servers

Mail for opencore.org is handled by two mail servers — fb.mail.gandi.net and spool.mail.gandi.net.

opencore.org uses an identical mail server configuration to several other domains — among them semodu.pro, domainemichelclesse.fr, dendarii.net and two more.

opencore.org partially shares its mail servers with other domains, infinity8.team and bulgaria.hk being examples.

Hostnames that resolve to 6 IP addresses:

fb.mail.gandi.net maps to 217.70.178.215, 217.70.178.216, 217.70.178.217 and 3 additional IP addresses.

Hostnames that resolve to two IP addresses:

The A records for spool.mail.gandi.net return 217.70.178.1 and 2001:4b98:e00::1.