cours-infos.com - robtex.com

cours-infos.com

DNSSEC⚠️ Not signed
A2001:8d8:100f:f000::215🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-0215.elastic-ssl.ui-r.com
A217.160.0.80🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSns1083.ui-dns.biz ⭐
A2001:8d8:fe:53:0:d9a0:5153:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1083.ui-dns.biz
A217.160.81.83🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1083.ui-dns.biz
NSns1083.ui-dns.com
A2001:8d8:fe:53:0:d9a0:5253:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1083.ui-dns.com
A217.160.82.83🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1083.ui-dns.com
NSns1083.ui-dns.de
A2607:f1c0:fe:53:185:132:32:83🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1083.ui-dns.de
A217.160.80.83🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1083.ui-dns.de
NSns1083.ui-dns.org
A2001:8d8:fe:53:0:d9a0:5353:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1083.ui-dns.org
A217.160.83.83🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1083.ui-dns.org
MXaspmx.l.google.com ⭐
A2607:f8b0:4004:c21::1b🇺🇸 Google2607:f8b0:4004::/48
PTRpe-in-f27.1e100.net
A172.253.62.27🇺🇸 Google172.253.62.0/24
PTRbc-in-f27.1e100.net
MXalt1.aspmx.l.google.com(5)
A2800:3f0:4003:c0f::1b🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
MXalt2.aspmx.l.google.com(5)
A2607:f8b0:4023:1015::1a🇺🇸 Google2607:f8b0::/32
PTRyudfwta-in-f26.1e100.net
A172.253.135.27🇺🇸 Google172.253.135.0/24
PTRip-172-253-135-27.defastlink.net
MXaspmx2.googlemail.com(10)
A2800:3f0:4003:c0f::1a🇨🇱 Google2800:3f0:4003::/48
A108.177.123.26🇺🇸 Google108.177.123.0/24
PTRlcscld-in-f26.1e100.net
SOAns1083.ui-dns.bizhostmaster@1and1.fr 2017-04-21 #26

com

DNSSEC🔒 Signed (DS record present)
NSa.gtld-servers.net ⭐
NSb.gtld-servers.net
NSc.gtld-servers.net
NSd.gtld-servers.net
NSe.gtld-servers.net
NSf.gtld-servers.net
NSg.gtld-servers.net
NSh.gtld-servers.net
NSi.gtld-servers.net
NSj.gtld-servers.net
NSk.gtld-servers.net
NSl.gtld-servers.net
NSm.gtld-servers.net
SOAa.gtld-servers.netnstld@verisign-grs.com serial=1776209442

Same first word

cours-infos.com

DNS History

20 records (10 active, 10 former)

200920112013201520172019202120232025NSns1083.ui-dns.bizns1083.ui-dns.comns1083.ui-dns.dens1083.ui-dns.orgns11.1and1.frns12.1and1.frns61.1and1.frns62.1and1.frMXalt1.aspmx.l.google.comalt2.aspmx.l.google.comaspmx.l.google.comaspmx2.googlemail.commx00.1and1.frmx01.1and1.frA2001:8d8:100f:f000::215217.160.0.802001:8d8:1000:70cf:ef0a:1f2a:f503:e03e212.227.181.85217.160.233.23587.106.170.242
●NSns1083.ui-dns.biz2026-03-30 → 2026-04-14 · 3 obs
○ 2017-08-13 02:11:00
● 2026-03-30 21:52:46
● 2026-04-14 23:48:40
●NSns1083.ui-dns.com2026-03-30 → 2026-04-14 · 3 obs
○ 2017-08-13 02:11:00
● 2026-03-30 21:52:46
● 2026-04-14 23:48:40
●NSns1083.ui-dns.de2026-03-30 → 2026-04-14 · 3 obs
○ 2017-08-13 02:11:00
● 2026-03-30 21:52:46
● 2026-04-14 23:48:40
●NSns1083.ui-dns.org2026-03-30 → 2026-04-14 · 3 obs
○ 2017-08-13 02:11:00
● 2026-03-30 21:52:46
● 2026-04-14 23:48:40
○NSns11.1and1.fr2008-03-10 → 2008-03-10 · 3 obs
● 2008-03-10 06:31:52
○ 2015-05-24 00:16:14
○ 2026-04-14 23:48:40
○NSns12.1and1.fr2008-03-10 → 2008-03-10 · 3 obs
● 2008-03-10 06:31:52
○ 2015-05-24 00:16:14
○ 2026-04-14 23:48:40
○NSns61.1and1.fr2015-05-24 → 2017-08-13 · 5 obs
○ 2008-03-10 06:31:52
● 2015-05-24 00:16:14
● 2017-08-13 02:11:00
○ 2026-03-30 21:52:46
○ 2026-04-14 23:48:40
○NSns62.1and1.fr2015-05-24 → 2017-08-13 · 5 obs
○ 2008-03-10 06:31:52
● 2015-05-24 00:16:14
● 2017-08-13 02:11:00
○ 2026-03-30 21:52:46
○ 2026-04-14 23:48:40
●MXalt1.aspmx.l.google.com2015-05-24 → 2026-04-14 · 3 obs
○ 2008-03-10 06:31:52
● 2015-05-24 00:16:14
● 2026-04-14 23:48:40
●MXalt2.aspmx.l.google.com2015-05-24 → 2026-04-14 · 3 obs
○ 2008-03-10 06:31:52
● 2015-05-24 00:16:14
● 2026-04-14 23:48:40
●MXaspmx.l.google.com2015-05-24 → 2026-04-14 · 3 obs
○ 2008-03-10 06:31:52
● 2015-05-24 00:16:14
● 2026-04-14 23:48:40
●MXaspmx2.googlemail.com2015-05-24 → 2026-04-14 · 3 obs
○ 2008-03-10 06:31:52
● 2015-05-24 00:16:14
● 2026-04-14 23:48:40
○MXmx00.1and1.fr2008-03-10 → 2008-03-10 · 3 obs
● 2008-03-10 06:31:52
○ 2015-05-24 00:16:14
○ 2026-04-14 23:48:40
○MXmx01.1and1.fr2008-03-10 → 2008-03-10 · 3 obs
● 2008-03-10 06:31:52
○ 2015-05-24 00:16:14
○ 2026-04-14 23:48:40
○A2001:8d8:1000:70cf:ef0a:1f2a:f503:e03e2016-09-14 → 2016-09-14 · 4 obs
○ 2016-03-31 06:09:46
● 2016-09-14 12:00:12
○ 2017-08-13 02:11:00
○ 2026-04-14 23:48:40
●A2001:8d8:100f:f000::2152017-08-13 → 2026-04-14 · 3 obs
○ 2016-09-14 12:00:12
● 2017-08-13 02:11:00
● 2026-04-14 23:48:40
○A212.227.181.852008-03-10 → 2008-03-10 · 3 obs
● 2008-03-10 06:31:52
○ 2015-05-24 00:16:14
○ 2026-04-14 23:48:40
●A217.160.0.802017-08-13 → 2026-04-14 · 3 obs
○ 2016-09-14 12:00:12
● 2017-08-13 02:11:00
● 2026-04-14 23:48:40
○A217.160.233.2352016-09-14 → 2016-09-14 · 4 obs
○ 2016-03-31 06:09:46
● 2016-09-14 12:00:12
○ 2017-08-13 02:11:00
○ 2026-04-14 23:48:40
○A87.106.170.2422015-05-24 → 2016-03-31 · 5 obs
○ 2008-03-10 06:31:52
● 2015-05-24 00:16:14
● 2016-03-31 06:09:46
○ 2016-09-14 12:00:12
○ 2026-04-14 23:48:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, c.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net...-
cours-infos.comns1083.ui-dns.de, ns1083.ui-dns.biz, ns1083.ui-dns.org, ns1083.ui-dns.com2 records

✅ Authoritative Response

Server:217.160.80.83

NS records: ns1083.ui-dns.de, ns1083.ui-dns.biz, ns1083.ui-dns.org, ns1083.ui-dns.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for cours-infos.com (unsigned zone)

⏱️ Timing

Total: 596ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.80
AAAA12001:8d8:100f:f000::215
NS4ns1083.ui-dns.com, ns1083.ui-dns.biz...
MX4aspmx.l.google.com (pri: 1), alt1.aspmx.l.google.com (pri: 5)...
SOA1ns1083.ui-dns.biz hostmaster.1and1.fr

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns1083.ui-dns.com, ns1083.ui-dns.com)

Analysis

IP Addresses

cours-infos.com resolves to two IP numbers: 2001:8d8:100f:f000::215 and 217.160.0.80.

Other host names, for instance tteo.es, skateline.com, grascup.com, gijoebcn.com and dompiot.fr share IP numbers with cours-infos.com.

Name Servers

cours-infos.com is delegated to four name servers: ns1083.ui-dns.biz, ns1083.ui-dns.com, ns1083.ui-dns.de and ns1083.ui-dns.org.

cours-infos.com shares some name servers with other domains, for example justintimeagency.co.uk, smartcitycard.es, yamas.es, nanomagnetics.org and ekube.net.

These name servers are commonly used alongside ns1026.ui-dns.biz, ns1048.ui-dns.de, ns1115.ui-dns.com and ns1080.ui-dns.org.

Host names with two IP numbers

Two IPs per host:

ns1083.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5153:100 and 217.160.81.83

ns1083.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5253:100 and 217.160.82.83

ns1083.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:83 and 217.160.80.83

ns1083.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5353:100 and 217.160.83.83

Mail Servers

cours-infos.com is handled by four mail servers: aspmx2.googlemail.com, aspmx.l.google.com, alt1.aspmx.l.google.com and alt2.aspmx.l.google.com.

cours-infos.com shares some mail servers with other domains, at least partially; for instance ns500671.ns500671.ns500731.ns500671.ns500671.ns500671.ns500742.ns500704.ns500705.tenderladiesbz.com, ns500754.ns500754.ns500754.ns500754.ns500742.ns500742.ns500671.ns500705.ns500704.ns500678.ns500671.ns500688.ns500678.ns500671.lusty(0x736c7574)z.com, ns500698.ns500698.ns500698.ns500758.ns500735.ns500736.ns500735.ns500735.ns500735.ns500698.ns500698.ns500708.ns500576.ns500686.ns500576.ns500619.trackreceptor.com, ns500698.ns500759.ns500758.ns500735.ns500698.ns500735.ns500698.ns500735.ns500735.ns500735.ns500708.ns500576.ns500619.ns500576.ns500576.ns500576.trackreceptor.com and ns500671.ns500754.ns500754.ns500742.ns500731.ns500705.ns500705.ns500705.ns500671.ns500291.tenderladiesbz.com.

these mail servers are often used with alt3.aspmx.l.google.com, alt4.aspmx.l.google.com, aspmx3.googlemail.com, aspmx5.googlemail.com and aspmx4.googlemail.com.

Host names with two IP numbers

aspmx2.googlemail.com points to 2800:3f0:4003:c0f::1a and 108.177.123.26.

aspmx.l.google.com points to 2607:f8b0:4004:c21::1b and 172.253.62.27.

alt1.aspmx.l.google.com points to 2800:3f0:4003:c0f::1b and 108.177.123.26.

alt2.aspmx.l.google.com points to 2607:f8b0:4023:1015::1a and 172.253.135.27.

Names that point to 108.177.123.26 are aspmx2.googlemail.com and alt1.aspmx.l.google.com.