studyguide.ch - dns.ninja

`studyguide.ch`

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	`ns1.gandi.net` ⭐
		A	2001:4b98:aaaa::2^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-1-a.gandi.net`
		A	173.246.100.2^{🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A}
			PTR	`ns-1-a.gandi.net`
NS	`ns-134-a.gandi.net`
		A	2001:4b98:aaaa::87^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaaa::/48 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-134-a.gandi.net`
		A	173.246.100.135^{🇺🇸 GANDI-LIVEDNS173.246.100.0/24 Gandi LiveDNS A}
			PTR	`ns-134-a.gandi.net`
NS	`ns-165-b.gandi.net`
		A	2001:4b98:aaab::a6^{🇫🇷 GANDI-LIVEDNS2001:4b98:aaab::/48 GANDI is an ICANN accredited registrar GANDI is a virtual server provider for more information: Web: http://www.gandi.net}
			PTR	`ns-165-b.gandi.net`
		A	213.167.230.166^{🇫🇷 GANDI-LIVEDNS213.167.230.0/24 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-165-b.gandi.net`
NS	`ns-20-c.gandi.net`
		A	2604:3400:aaac::15^{🇺🇸 GANDI-LIVEDNS2604:3400:aaac::/48 Gandi US Inc.}
			PTR	`ns-20-c.gandi.net`
		A	217.70.187.21^{🇫🇷 GANDI-LIVEDNS217.70.187.0/24 GANDI is an ICANN accredited registrar and Cloud services provider}
			PTR	`ns-20-c.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	`ns1.gandi.net`hostmaster@gandi.net serial=1781740800

`ch`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.nic.ch` ⭐
	NS	`b.nic.ch`
	NS	`d.nic.ch`
	NS	`e.nic.ch`
	NS	`f.nic.ch`
	SOA	`a.nic.ch`dns-operation@switch.ch 2026-06-21 #31

Same first word

studyguide.eu

studyguide.com

studyguide.ca

studyguide.buzz

studyguide.co.in

studyguide.org

studyguide.ch

studyguide.at

studyguide.cn

studyguide.co

studyguide.us

studyguide.de

studyguide.gr

studyguide.net

Similar names

guidestudy.us

guidestudy.tv

guidestudy.info

guidestudy.com

DNS History

12 records (7 active, 5 former)

●NSns-134-a.gandi.net2026-02-24 → 2026-06-21 · 3 obs

○ 2020-01-12 06:15:10
● 2026-02-24 07:27:10
● 2026-06-21 14:04:06

●NSns-165-b.gandi.net2026-02-24 → 2026-06-21 · 3 obs

○ 2020-01-12 06:15:10
● 2026-02-24 07:27:10
● 2026-06-21 14:04:06

●NSns-20-c.gandi.net2026-02-24 → 2026-06-21 · 3 obs

○ 2020-01-12 06:15:10
● 2026-02-24 07:27:10
● 2026-06-21 14:04:06

○NSns1.evok.ch2015-07-20 → 2017-03-27 · 4 obs

● 2015-07-20 12:49:02
● 2017-03-27 16:08:18
○ 2020-01-12 06:15:10
○ 2026-06-21 14:04:06

●NSns1.gandi.net2026-02-24 → 2026-06-21 · 3 obs

○ 2020-01-12 06:15:10
● 2026-02-24 07:27:10
● 2026-06-21 14:04:06

○NSns2.evok.ch2015-07-20 → 2017-03-27 · 4 obs

● 2015-07-20 12:49:02
● 2017-03-27 16:08:18
○ 2020-01-12 06:15:10
○ 2026-06-21 14:04:06

○NSns3.evok.ch2015-07-20 → 2017-03-27 · 4 obs

● 2015-07-20 12:49:02
● 2017-03-27 16:08:18
○ 2020-01-12 06:15:10
○ 2026-06-21 14:04:06

○NSns4.evok.ch2015-07-20 → 2017-03-27 · 4 obs

● 2015-07-20 12:49:02
● 2017-03-27 16:08:18
○ 2020-01-12 06:15:10
○ 2026-06-21 14:04:06

●MXfb.mail.gandi.net2026-02-24 → 2026-06-21 · 2 obs

● 2026-02-24 07:27:10
● 2026-06-21 14:04:06

●MXspool.mail.gandi.net2026-02-24 → 2026-06-21 · 2 obs

● 2026-02-24 07:27:10
● 2026-06-21 14:04:06

○A193.33.31.662015-07-20 → 2017-03-27 · 4 obs

● 2015-07-20 12:49:02
● 2017-03-27 16:08:18
○ 2020-01-12 06:15:10
○ 2026-06-21 14:04:06

●A217.70.184.382026-02-24 → 2026-06-21 · 3 obs

○ 2020-01-12 06:15:10
● 2026-02-24 07:27:10
● 2026-06-21 14:04:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ch	d.nic.ch, e.nic.ch, b.nic.ch, a.nic.ch...	-
studyguide.ch	ns-20-c.gandi.net, ns-134-a.gandi.net, ns-165-b.gandi.net	-

✅ Authoritative Response

Server:213.167.230.166

NS records: ns-20-c.gandi.net, ns-134-a.gandi.net, ns-165-b.gandi.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for studyguide.ch (unsigned zone)

⏱️ Timing

Total: 1802ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`217.70.184.38`
NS	3	`ns-165-b.gandi.net, ns-134-a.gandi.net...`
MX	2	`spool.mail.gandi.net (pri: 10), fb.mail.gandi.net (pri: 50)`
TXT	1	`v=spf1 include:_mailcust.gandi.net ?all`
SOA	1	`ns1.gandi.net hostmaster.gandi.net`

Analysis

IP Addresses

studyguide.ch has exactly one IP address — 217.70.184.38.

arnabar.com, mrsys.fr, xn--la-brioche-dore-onb.com plus two other host names have IP numbers in common with studyguide.ch.

Name Servers

Four name servers handle the delegation for studyguide.ch: ns-134-a.gandi.net, ns-165-b.gandi.net, ns-20-c.gandi.net and ns1.gandi.net.

There is at least partial name server overlap between studyguide.ch and other domains — tecnifibre.us, sprint-telecom.fr, majeli-avocat.com and two more among them.

These name servers regularly appear alongside ns-220-a.gandi.net, ns-215-c.gandi.net, ns-47-c.gandi.net and 5 other name servers in NS record sets.

All four hostnames — ns-134-a.gandi.net, ns-165-b.gandi.net, ns-20-c.gandi.net and ns1.gandi.net — resolve to two IP numbers apiece: ns-134-a.gandi.net to 173.246.100.135 and 2001:4b98:aaaa::87; ns-165-b.gandi.net to 213.167.230.166 and 2001:4b98:aaab::a6; ns-20-c.gandi.net to 217.70.187.21 and 2604:3400:aaac::15; ns1.gandi.net to 173.246.100.2 and 2001:4b98:aaaa::2.

Mail Servers

studyguide.ch uses two mail servers, fb.mail.gandi.net and spool.mail.gandi.net.

The mail server setup of studyguide.ch matches that of other domains such as cryptken.com, squale.net, tarifold.de and two others.

studyguide.ch and a number of other domains — rocpartner.net, compactor.fr, ctago.fr and croissens-consulting.com among them — share at least some of the same mail servers.

Hosts with 6 IP addresses each:

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

Host names pointing to two IP addresses:

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