doublet.pro - dns.ninja

`doublet.pro`

DNSSEC	⚠️ Not signed
A	91.121.223.15^{🇫🇷 OVH91.121.0.0/16 ISP Paris, France}
		PTR	`ns319161.ip-91-121-223.eu`
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 a:doublet.pro mx ~all`
SOA	`a.dns.gandi.net`hostmaster@gandi.net serial=1704814571

`pro`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a0.pro.afilias-nst.info` ⭐
	NS	`a2.pro.afilias-nst.info`
	NS	`b0.pro.afilias-nst.org`
	NS	`b2.pro.afilias-nst.org`
	NS	`c0.pro.afilias-nst.info`
	NS	`d0.pro.afilias-nst.org`
	SOA	`a0.pro.afilias-nst.info`hostmaster@donuts.email serial=1786596000

Subdomains

algernon10.doublet.pro

algernon8.doublet.pro

Same first word

doublet.co.uk

doublet.es

doublet.cn

doublet.com.au

doublet.ru

doublet.no

doublet.ro

doublet.it

doublet.cat

doublet.info

doublet.eu

doublet.co.kr

doublet.net

doublet.id.au

doublet.com

doublet.fr

doublet.ca

doublet.pro

doublet.de

doublet.biz

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DNS History

8 records (6 active, 2 former)

●NSa.dns.gandi.net2015-07-24 → 2026-08-13 · 2 obs

● 2015-07-24 12:59:16
● 2026-08-13 05:06:56

●NSb.dns.gandi.net2015-07-24 → 2026-08-13 · 2 obs

● 2015-07-24 12:59:16
● 2026-08-13 05:06:56

●NSc.dns.gandi.net2015-07-24 → 2026-08-13 · 2 obs

● 2015-07-24 12:59:16
● 2026-08-13 05:06:56

●MXfb.mail.gandi.net2015-07-24 → 2026-08-13 · 2 obs

● 2015-07-24 12:59:16
● 2026-08-13 05:06:56

●MXspool.mail.gandi.net2015-07-24 → 2026-08-13 · 2 obs

● 2015-07-24 12:59:16
● 2026-08-13 05:06:56

○A2001:41d0:8:6da5::12015-07-24 → 2017-03-25 · 4 obs

● 2015-07-24 12:59:16
● 2017-03-25 13:23:08
○ 2026-02-28 01:04:02
○ 2026-08-13 05:06:56

○A37.59.50.1652015-07-24 → 2017-03-25 · 4 obs

● 2015-07-24 12:59:16
● 2017-03-25 13:23:08
○ 2026-02-28 01:04:02
○ 2026-08-13 05:06:56

●A91.121.223.152026-02-28 → 2026-08-13 · 3 obs

○ 2017-03-25 13:23:08
● 2026-02-28 01:04:02
● 2026-08-13 05:06:56

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pro	a0.pro.afilias-nst.info, a2.pro.afilias-nst.info, b0.pro.afilias-nst.org, b2.pro.afilias-nst.org...	-
doublet.pro	c.dns.gandi.net, b.dns.gandi.net, a.dns.gandi.net	-

✅ Authoritative Response

Server:213.167.229.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for doublet.pro (unsigned zone)

⏱️ Timing

Total: 572ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.121.223.15`
NS	3	`a.dns.gandi.net, b.dns.gandi.net...`
MX	2	`spool.mail.gandi.net (pri: 10), fb.mail.gandi.net (pri: 50)`
TXT	1	`v=spf1 a:doublet.pro mx ~all`
SOA	1	`a.dns.gandi.net hostmaster.gandi.net`

Analysis

Hierarchy

algernon10.doublet.pro and algernon8.doublet.pro are both subdomains of doublet.pro.

IP Addresses

doublet.pro resolves to one IP address: 91.121.223.15.

ns319161.ip-91-121-223.eu, algernon10.doublet.pro, algernon10.doublet-group.com and two other host names share IP numbers with doublet.pro.

Name Servers

doublet.pro has three name servers — a.dns.gandi.net, b.dns.gandi.net and c.dns.gandi.net.

There is at least partial name server overlap between doublet.pro and other domains — chassandra.com, fixation-plum.ch, spinetix.tv and two more among them.

Each of a.dns.gandi.net, b.dns.gandi.net and c.dns.gandi.net points to two IP numbers. a.dns.gandi.net points to 173.246.98.1 and 2604:3400:abca::1. b.dns.gandi.net points to 213.167.229.1 and 2001:4b98:abcb::1. c.dns.gandi.net points to 217.70.179.1 and 2604:3400:abcc::1.

Mail Servers

Mail for doublet.pro is handled by two mail servers — fb.mail.gandi.net and spool.mail.gandi.net.

doublet.pro uses an identical mail server configuration to several other domains — among them babidad.bio, eros-sf.com, d0ty.com and two more.

Some mail servers of doublet.pro are also used by other domains, notably group-rsm.com and agsoft.eu.

Hostnames that resolve to 6 IP addresses:

fb.mail.gandi.net points to 217.70.178.215, 217.70.178.216, 217.70.178.217 and 3 other IP addresses.

Hostnames that resolve to two IP addresses:

spool.mail.gandi.net resolves to 217.70.178.1 and 2001:4b98:e00::1.