4sys.fr - robtex.com

4sys.fr

DNSSEC⚠️ Not signed
A2001:8d8:100f:f000::22e🇩🇪 IONOS-AS2001:8d8::/32 DE-IONOS-20020910
PTR2001-08d8-100f-f000-0000-0000-0000-022e.elastic-ssl.ui-r.com
A217.160.0.87🇩🇪 IONOS-AS217.160.0.0/16 IONOS-PA-3
NSns1120.ui-dns.org ⭐
A2001:8d8:fe:53:0:d9a0:5378:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1120.ui-dns.org
A217.160.83.120🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1120.ui-dns.org
NSns1120.ui-dns.biz
A2001:8d8:fe:53:0:d9a0:5178:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1120.ui-dns.biz
A217.160.81.120🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1120.ui-dns.biz
NSns1120.ui-dns.com
A2001:8d8:fe:53:0:d9a0:5278:100🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific
PTRns1120.ui-dns.com
A217.160.82.120🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1120.ui-dns.com
NSns1120.ui-dns.de
A2607:f1c0:fe:53:185:132:32:120🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US
PTRns1120.ui-dns.de
A217.160.80.120🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific
PTRns1120.ui-dns.de
MX4sys.mailinblack.com ⭐
A52.143.171.137🇫🇷 Microsoft52.136.0.0/13 MICROSOFT
TXT97fb16b2e13c4596b1551f94fe878d31
TXTMS=B8DCA6532E5DDD4F151FD96230C446CE3DEB1B8F
TXTMS=ms57203588
TXTv=spf1 include:spf.protection.outlook.com a:4sys.mailinblack.com include:send...
TXT318-ZGF-N84
TXTgoogle-site-verification=1SIwJ08u39ZoEK9gfwtzoke-_WtrwxKhfRuU8ZNtpjw
SOAns1120.ui-dns.orghostmaster@1and1.com 2017-07-11 #75

fr

DNSSEC🔒 Signed (DS record present)
NSa.nic.fr ⭐ 🔒
NSd.nic.fr 🔒
NSf.ext.nic.fr 🔒
NSg.ext.nic.fr 🔒
TXT34 RRs processed [03/03/2026 03H50:47]
SOAa.nic.frdnsmaster@afnic.fr serial=2244430463

Subdomains

mx1.4sys.fr

Same first word

4sys.ru
4sys.de
4sys.fr
4sys.at
4sys.com.br
4sys.org
4sys.net
4sys.nl
4sys.eu
4sys.biz

Similar names

sys4.de
sys4.farm
s4ys.com
ssy4.com
sys4.fr
sys4.org
ss4y.com
sys4.ch
sy4s.com
sys4.cn
4yss.com
4ssy.net
s4ys.de
sys4.ru
yss4.com
sys4.email
sys4.net
sys4.com
4ssy.com
sys4.eu

DNS History

18 records (7 active, 11 former)

20162017201820192020202120222023202420252026NSns1120.ui-dns.bizns1120.ui-dns.comns1120.ui-dns.dens1120.ui-dns.orgns-fr.1and1-dns.bizns-fr.1and1-dns.comns-fr.1and1-dns.frns-fr.1and1-dns.orgMX4sys.mailinblack.commx00.1and1.frmx01.1and1.frmx1.4sys.frA2001:8d8:100f:f000::22e217.160.0.872001:8d8:1000:b0bf:cfae:355:234c:72001:8d8:1000:b0bf:df46:5f11:fe0:b831212.227.213.11217.160.122.23
○NSns-fr.1and1-dns.biz2015-07-24 → 2017-01-23 · 4 obs
● 2015-07-24 08:05:26
● 2017-01-23 19:17:56
○ 2018-04-08 05:24:54
○ 2026-03-14 08:43:34
○NSns-fr.1and1-dns.com2015-07-24 → 2017-01-23 · 4 obs
● 2015-07-24 08:05:26
● 2017-01-23 19:17:56
○ 2018-04-08 05:24:54
○ 2026-03-14 08:43:34
○NSns-fr.1and1-dns.fr2015-07-24 → 2017-01-23 · 4 obs
● 2015-07-24 08:05:26
● 2017-01-23 19:17:56
○ 2018-04-08 05:24:54
○ 2026-03-14 08:43:34
○NSns-fr.1and1-dns.org2015-07-24 → 2017-01-23 · 4 obs
● 2015-07-24 08:05:26
● 2017-01-23 19:17:56
○ 2018-04-08 05:24:54
○ 2026-03-14 08:43:34
●NSns1120.ui-dns.biz2018-04-08 → 2026-03-14 · 3 obs
○ 2017-01-23 19:17:56
● 2018-04-08 05:24:54
● 2026-03-14 08:43:34
●NSns1120.ui-dns.com2018-04-08 → 2026-03-14 · 3 obs
○ 2017-01-23 19:17:56
● 2018-04-08 05:24:54
● 2026-03-14 08:43:34
●NSns1120.ui-dns.de2018-04-08 → 2026-03-14 · 3 obs
○ 2017-01-23 19:17:56
● 2018-04-08 05:24:54
● 2026-03-14 08:43:34
●NSns1120.ui-dns.org2018-04-08 → 2026-03-14 · 3 obs
○ 2017-01-23 19:17:56
● 2018-04-08 05:24:54
● 2026-03-14 08:43:34
●MX4sys.mailinblack.com2018-04-08 → 2026-03-14 · 3 obs
○ 2017-01-23 19:17:56
● 2018-04-08 05:24:54
● 2026-03-14 08:43:34
○MXmx00.1and1.fr2015-07-24 → 2018-04-08 · 4 obs
● 2015-07-24 08:05:26
● 2018-04-08 05:24:54
○ 2026-03-14 08:43:32
○ 2026-03-14 08:43:34
○MXmx01.1and1.fr2015-07-24 → 2018-04-08 · 4 obs
● 2015-07-24 08:05:26
● 2018-04-08 05:24:54
○ 2026-03-14 08:43:32
○ 2026-03-14 08:43:34
○MXmx1.4sys.fr2015-07-24 → 2017-01-23 · 4 obs
● 2015-07-24 08:05:26
● 2017-01-23 19:17:56
○ 2018-04-08 05:24:54
○ 2026-03-14 08:43:34
○A2001:8d8:1000:b0bf:cfae:355:234c:72015-07-24 → 2016-07-04 · 4 obs
● 2015-07-24 08:05:26
● 2016-07-04 05:50:16
○ 2016-07-24 13:31:06
○ 2026-03-14 08:43:34
○A2001:8d8:1000:b0bf:df46:5f11:fe0:b8312016-07-24 → 2017-01-23 · 5 obs
○ 2016-07-04 05:50:16
● 2016-07-24 13:31:06
● 2017-01-23 19:17:56
○ 2018-04-08 05:24:54
○ 2026-03-14 08:43:34
●A2001:8d8:100f:f000::22e2018-04-08 → 2026-03-14 · 3 obs
○ 2017-01-23 19:17:56
● 2018-04-08 05:24:54
● 2026-03-14 08:43:34
○A212.227.213.112015-07-24 → 2016-07-04 · 4 obs
● 2015-07-24 08:05:26
● 2016-07-04 05:50:16
○ 2016-07-24 13:31:06
○ 2026-03-14 08:43:34
●A217.160.0.872018-04-08 → 2026-03-14 · 3 obs
○ 2017-01-23 19:17:56
● 2018-04-08 05:24:54
● 2026-03-14 08:43:34
○A217.160.122.232016-07-24 → 2017-01-23 · 5 obs
○ 2016-07-04 05:50:16
● 2016-07-24 13:31:06
● 2017-01-23 19:17:56
○ 2018-04-08 05:24:54
○ 2026-03-14 08:43:34

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
frd.nic.fr, f.ext.nic.fr, g.ext.nic.fr-
4sys.frns1120.ui-dns.com, ns1120.ui-dns.de, ns1120.ui-dns.biz, ns1120.ui-dns.org-

✅ Authoritative Response

Server: 217.160.81.120

NS records: ns1120.ui-dns.com, ns1120.ui-dns.de, ns1120.ui-dns.biz, ns1120.ui-dns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 4sys.fr (unsigned zone)

⏱️ Timing

Total: 908ms | Queries: -

📄 Records

TypeCountSample Data
A1217.160.0.87
AAAA12001:8d8:100f:f000::22e
NS4ns1120.ui-dns.com, ns1120.ui-dns.biz...
MX14sys.mailinblack.com (pri: 5)
TXT6MS=B8DCA6532E5DDD4F151FD96230C446CE3DEB1, 318-ZGF-N84...
SOA1ns1120.ui-dns.org hostmaster.1and1.com

Analysis

Hierarchy

The parent of mx1.4sys.fr is 4sys.fr.

IP Addresses

Two IP numbers are pointed to by 4sys.fr: 2001:8d8:100f:f000::22e and 217.160.0.87.

other host names include gps-stadt-info.de, omegastar.org.uk, littleowlonline.co.uk, uk-oil.com and avoxa.online; they share IP numbers with 4sys.fr.

Name Servers

4sys.fr delegates to four name servers: ns1120.ui-dns.biz, ns1120.ui-dns.com, ns1120.ui-dns.de and ns1120.ui-dns.org.

4sys.fr at least partially shares name servers with other domains, for instance ccisociety.com, eco-prix.net, olebrooklyn.com, silvercojewellery.com and onewaveworld.com.

these name servers are commonly used with ns1108.ui-dns.biz, ns1029.ui-dns.com, ns1060.ui-dns.de, ns1099.ui-dns.com, ns1080.ui-dns.de, ns1038.ui-dns.biz, ns1078.ui-dns.de, ns1122.ui-dns.org, ns1104.ui-dns.org and ns1098.ui-dns.de.

Host names with two IP numbers: ns1120.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:5178:100 and 217.160.81.120; ns1120.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5278:100 and 217.160.82.120; ns1120.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:120 and 217.160.80.120; ns1120.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5378:100 and 217.160.83.120.

Mail Servers

4sys.fr is handled by a single mail server, 4sys.mailinblack.com.

4sys.fr uses the same mail server setup as other domains, for instance aurys.fr, geseris.com, fontanel-sa.fr, visalys.fr and eligecapital.com.

4sys.fr shares at least some mail servers with other domains, for instance espace-g2c.com.

these mail servers are commonly used alongside mx00.1and1.fr and mx01.1and1.fr.

The host name 4sys.mailinblack.com points to IP 52.143.171.137.