firstcourse.fr - robtex.com

firstcourse.fr

DNSSEC⚠️ Not signed
A176.31.206.16🇫🇷 OVH176.31.0.0/16 ISP Paris, France
PTRhid-32fr10.idep.us
NSns1.idep.us ⭐
A178.32.122.222🇫🇷 OVH178.32.0.0/15 ISP Paris, France
PTRns1.idep.us
NSns2.idep.us
A87.98.158.231🇫🇷 OVH87.98.128.0/17 ISP Paris, France
PTRns2.idep.us
NSns3.idep.us
A46.105.46.145🇫🇷 OVH46.105.0.0/16 ISP Paris, France
PTRns3.idep.us
MXlinkfirst-smtp.linkeo.org ⭐
A195.167.195.168🇫🇷 LDCOMNET195.167.192.0/20 SFR Altice France
A195.167.195.171🇫🇷 LDCOMNET195.167.192.0/20 SFR Altice France
A195.167.195.175🇫🇷 LDCOMNET195.167.192.0/20 SFR Altice France
TXTv=spf1 include:_spf-optimail.linkeo.com ~all
SOAns1.idep.ushid@idep.us serial=1775703704

fr

DNSSEC🔒 Signed (DS record present)
NSa.nic.fr ⭐
NSd.nic.fr
NSf.ext.nic.fr
NSg.ext.nic.fr
TXT153 RRs processed [29/04/2026 18H30:50]
SOAa.nic.frdnsmaster@afnic.fr serial=2244953680

Same first word

firstcourse.in
firstcourse.fr
firstcourse.net
firstcourse.org

Similar names

cruisersoft.com
firstsource.la
softcruiser.com
firstsource.io
firstsource.life
firstsource.net
resortficus.com
firstsource.co
firstsource.org
frostcruise.com
stoicsurfer.com
firstsource.com
firstsource.eu
crossfireut.com
sourcefirst.net
firstsource.in
coursefirst.com
sourcefirst.com

DNS History

10 records (5 active, 5 former)

20162017201820192020202120222023202420252026NSns1.idep.usns2.idep.usns3.idep.usdns1-linkfirst.linkeo.netdns2-linkfirst.linkeo.netMXlinkfirst-smtp.linkeo.orgA176.31.206.16178.32.254.178195.167.195.177195.167.195.189
○NSdns1-linkfirst.linkeo.net2015-05-14 → 2015-10-13 · 4 obs
● 2015-05-14 21:45:42
● 2015-10-13 15:36:24
○ 2015-12-16 13:20:38
○ 2026-04-29 18:42:16
○NSdns2-linkfirst.linkeo.net2015-05-14 → 2015-10-13 · 4 obs
● 2015-05-14 21:45:42
● 2015-10-13 15:36:24
○ 2015-12-16 13:20:38
○ 2026-04-29 18:42:16
●NSns1.idep.us2015-12-16 → 2026-04-29 · 3 obs
○ 2015-10-13 15:36:24
● 2015-12-16 13:20:38
● 2026-04-29 18:42:16
●NSns2.idep.us2015-12-16 → 2026-04-29 · 3 obs
○ 2015-10-13 15:36:24
● 2015-12-16 13:20:38
● 2026-04-29 18:42:16
●NSns3.idep.us2015-12-16 → 2026-04-29 · 3 obs
○ 2015-10-13 15:36:24
● 2015-12-16 13:20:38
● 2026-04-29 18:42:16
●MXlinkfirst-smtp.linkeo.org2015-05-14 → 2026-04-29 · 2 obs
● 2015-05-14 21:45:42
● 2026-04-29 18:42:16
●A176.31.206.162026-03-26 → 2026-04-29 · 3 obs
○ 2016-07-15 00:43:08
● 2026-03-26 15:46:18
● 2026-04-29 18:42:16
○A178.32.254.1782016-03-23 → 2016-07-15 · 5 obs
○ 2015-12-16 13:20:38
● 2016-03-23 23:38:02
● 2016-07-15 00:43:08
○ 2026-03-26 15:46:18
○ 2026-04-29 18:42:16
○A195.167.195.1772015-05-14 → 2015-05-14 · 3 obs
● 2015-05-14 21:45:42
○ 2015-10-13 15:36:24
○ 2026-04-29 18:42:16
○A195.167.195.1892015-05-14 → 2015-12-16 · 4 obs
● 2015-05-14 21:45:42
● 2015-12-16 13:20:38
○ 2016-03-23 23:38:02
○ 2026-04-29 18:42:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
frf.ext.nic.fr, d.nic.fr, g.ext.nic.fr-
firstcourse.frns2.idep.us, ns1.idep.us, ns3.idep.us-

✅ Authoritative Response

Server:46.105.46.145

NS records: ns2.idep.us, ns1.idep.us, ns3.idep.us

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for firstcourse.fr (unsigned zone)

⏱️ Timing

Total: 987ms | Queries: -

📄 Records

TypeCountSample Data
A1176.31.206.16
NS3ns1.idep.us, ns2.idep.us...
MX1linkfirst-smtp.linkeo.org (pri: 10)
TXT1v=spf1 include:_spf-optimail.linkeo.com
SOA1ns1.idep.us hid.idep.us

Analysis

IP Addresses

firstcourse.fr points to a single IP number: 176.31.206.16.

other host names for instance ag-expert.com, miroiterielafargue.fr, azur-plomberie.fr, pb-creation.com and uni-bat.fr share IP numbers with firstcourse.fr.

Name Servers

firstcourse.fr is delegated to three name servers: ns1.idep.us, ns2.idep.us and ns3.idep.us.

firstcourse.fr at least partially shares name servers with other domains, for instance atlaspiscine.com, atsgroup.fr, guignard-osteopathe.com, station-orsini.fr and 237multiservices.ca.

Host names with one IP number:

ns1.idep.us points to 178.32.122.222.

ns2.idep.us points to 87.98.158.231.

ns3.idep.us points to 46.105.46.145.

Mail Servers

firstcourse.fr is handled by a single mail server, linkfirst-smtp.linkeo.org.

firstcourse.fr shares the same mail server setup as other domains, for instance infochien.com, carrosserie-deodatienne.fr, actinet13.com, artsmartiauxkjs.com and abris-de-jardins.com.

firstcourse.fr shares some mail servers with other domains at least partially, for example transports-giraud.com.

Host name linkfirst-smtp.linkeo.org points to three IP numbers: 195.167.195.168, 195.167.195.171 and 195.167.195.175.