kosys.com - dns.ninja

kosys.com

DNSSEC⚠️ Not signed
A138.201.240.31🇩🇪 Hetzner138.201.0.0/16 HETZNER-RZ-BLK-ERX4
PTRk27c53.meinserver.io
NSns1.timmehosting.de ⭐
A2a01:4f8:c17:89e2::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns1.timmehosting.de
A78.47.168.192🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5
PTRns1.timmehosting.de
NSns2.timmehosting.de
A2a01:4f8:1c1e:b474::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK
PTRns2.timmehosting.de
A157.90.19.57🇩🇪 Hetzner157.90.0.0/16 HETZNER-DC
PTRns2.timmehosting.de
NSns3.timmehosting.de
A2a04:3542:1000:910:74b0:a6ff:feb3:4ad5🇪🇸 UPCLOUD2a04:3542::/32 -DE-FRA1-IPV6
PTRns3.timmehosting.de
A94.237.31.204🇫🇮 UPCLOUD94.237.24.0/21 -DE-FRA1-NET1
PTRns3.timmehosting.de
MXkosys-com.mail.protection.outlook.com ⭐
A2a01:111:f403:ca27::🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-beup281cu00100.inbound.protection.outlook.com
A2a01:111:f403:ca2d::🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr5p281cu00500.inbound.protection.outlook.com
A2a01:111:f403:ca2d::1🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr4p281cu03101.inbound.protection.outlook.com
A2a01:111:f403:ca2d::2🇩🇪 Microsoft2a01:111:f000::/36
PTRmail-fr6p281cu00202.inbound.protection.outlook.com
A52.101.168.0🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-beup281cu00100.inbound.protection.outlook.com
A52.101.170.0🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr5p281cu00500.inbound.protection.outlook.com
A52.101.170.1🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr4p281cu03101.inbound.protection.outlook.com
A52.101.170.2🇩🇪 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-fr6p281cu00202.inbound.protection.outlook.com
TXTapple-domain-verification=jz7qj0Nx7iXoaRvW
TXTgoogle-site-verification=TgvoEVGBRfHgf0O5JaggFWgh3gtIUTQSFYzhlS97JDM
TXTMS=ms82249129
TXTv=spf1 include:spf.protection.outlook.com include:mail.zendesk.com ip4:138.20...
TXTms-domain-verification=8cbde59b-44e7-466e-9352-a5cea6667331
SOAns1.timmehosting.dezonemaster@timmehosting.de 2026-06-02 #3

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=1783208916

Subdomains

mail.kosys.com

Same first word

kosys.at
kosys.ch
kosys.org
kosys.net
kosys.academy
kosys.cc
kosys.eu
kosys.com
kosys.cz
kosys.me
kosys.info
kosys.co.kr
kosys.de
kosys.tv

Similar names

yksso.co.kr
sykos.net
skyos.us
kssoy.com
kossy.co.uk
sysko.ca
yksos.com
kossy.com
yokss.co.jp
oksys.it
kossy.de
ossky.net
skyos.org
ksyos.co.uk
oksys.de
skyso.com
ksyos.net
oksys.ru
soksy.org
skyos.ru
sysko.sk
skyos.com.hk
sysko.cz
ossky.org
yskos.com
ksyos.org
kyoss.com
sykos.cz
skyos.com
skyos.net
kysos.org
sysko.at
oksys.no
okyss.com
skyos.co.uk
kysso.com
sysko.biz
sysok.com
skyos.at
skosy.pl
skoys.com
oksys.com
okssy.com
sysko.ch
sysko.eu
kyoss.net
sysko.org
sosky.ru
skyos.co
yksos.net
sysko.jp
oksys.co.jp
ksyos.nl
sokys.com
ossky.com
sysko.se
sysko.com
sysko.net
oksys.eu
ksyos.com
soksy.com
yksos.org
kysos.com
sysko.ru
kossy.net
ksyos.mobi
sysko.de

DNS History

15 records (5 active, 10 former)

200920112013201520172019202120232025NSns1.timmehosting.dens2.timmehosting.dens3.timmehosting.debuy.internettraffic.comns1.uniregistrymarket.linkns2.uniregistrymarket.linkns3.freedomain.netsell.internettraffic.comMXkosys-com.mail.protection.outlook.commail.freedomain.netmail.kosys.comA138.201.240.31222.122.15.15669.172.201.15369.172.201.208
○NSbuy.internettraffic.com2015-08-03 → 2016-05-22 · 5 obs
○ 2008-02-04 17:42:24
● 2015-08-03 03:23:04
● 2016-05-22 05:45:08
○ 2016-09-06 13:00:52
○ 2026-07-04 23:50:28
●NSns1.timmehosting.de2026-03-03 → 2026-07-04 · 3 obs
○ 2017-05-29 07:06:28
● 2026-03-03 07:23:34
● 2026-07-04 23:50:28
○NSns1.uniregistrymarket.link2016-09-06 → 2017-05-29 · 5 obs
○ 2016-05-22 05:45:08
● 2016-09-06 13:00:52
● 2017-05-29 07:06:28
○ 2026-03-03 07:23:34
○ 2026-07-04 23:50:28
●NSns2.timmehosting.de2026-03-03 → 2026-07-04 · 3 obs
○ 2017-05-29 07:06:28
● 2026-03-03 07:23:34
● 2026-07-04 23:50:28
○NSns2.uniregistrymarket.link2016-09-06 → 2017-05-29 · 5 obs
○ 2016-05-22 05:45:08
● 2016-09-06 13:00:52
● 2017-05-29 07:06:28
○ 2026-03-03 07:23:34
○ 2026-07-04 23:50:28
○NSns3.freedomain.net2008-02-04 → 2008-02-04 · 3 obs
● 2008-02-04 17:42:24
○ 2015-08-03 03:23:04
○ 2026-07-04 23:50:28
●NSns3.timmehosting.de2026-03-03 → 2026-07-04 · 3 obs
○ 2017-05-29 07:06:28
● 2026-03-03 07:23:34
● 2026-07-04 23:50:28
○NSsell.internettraffic.com2015-08-03 → 2016-05-22 · 5 obs
○ 2008-02-04 17:42:24
● 2015-08-03 03:23:04
● 2016-05-22 05:45:08
○ 2016-09-06 13:00:52
○ 2026-07-04 23:50:28
●MXkosys-com.mail.protection.outlook.com2026-03-03 → 2026-07-04 · 3 obs
○ 2015-08-03 03:23:04
● 2026-03-03 07:23:34
● 2026-07-04 23:50:28
○MXmail.freedomain.net2008-02-04 → 2008-02-04 · 3 obs
● 2008-02-04 17:42:24
○ 2015-08-03 03:23:04
○ 2026-07-04 23:50:28
○MXmail.kosys.com2026-03-03 → 2026-03-03 · 4 obs
○ 2015-08-03 03:23:04
● 2026-03-03 07:23:34
○ 2026-03-29 09:05:48
○ 2026-07-04 23:50:28
●A138.201.240.312026-03-03 → 2026-07-04 · 3 obs
○ 2017-05-29 07:06:28
● 2026-03-03 07:23:34
● 2026-07-04 23:50:28
○A222.122.15.1562008-02-04 → 2008-02-04 · 3 obs
● 2008-02-04 17:42:24
○ 2015-08-03 03:23:04
○ 2026-07-04 23:50:28
○A69.172.201.1532016-05-06 → 2017-05-29 · 5 obs
○ 2016-02-01 14:38:20
● 2016-05-06 13:42:20
● 2017-05-29 07:06:28
○ 2026-03-03 07:23:34
○ 2026-07-04 23:50:28
○A69.172.201.2082015-08-03 → 2016-02-01 · 5 obs
○ 2008-02-04 17:42:24
● 2015-08-03 03:23:04
● 2016-02-01 14:38:20
○ 2016-05-06 13:42:20
○ 2026-07-04 23:50:28

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, b.gtld-servers.net, a.gtld-servers.net, d.gtld-servers.net...-
kosys.comns1.timmehosting.de, ns2.timmehosting.de, ns3.timmehosting.de-

✅ Authoritative Response

Server:78.47.168.192

NS records: ns1.timmehosting.de, ns2.timmehosting.de, ns3.timmehosting.de

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for kosys.com (unsigned zone)

⏱️ Timing

Total: 720ms | Queries: -

📄 Records

TypeCountSample Data
A1138.201.240.31
NS3ns3.timmehosting.de, ns2.timmehosting.de...
MX1kosys-com.mail.protection.outlook.com (p
TXT5ms-domain-verification=8cbde59b-44e7-466, MS=ms82249129...
SOA1ns1.timmehosting.de zonemaster.timmehost

Analysis

Hierarchy

kosys.com is a parent domain of mail.kosys.com.

IP Addresses

kosys.com directs to one IP number, which is 138.201.240.31.

Among the host names that share IP numbers with kosys.com are kosys.at, kosys.ch, mail.kosys.me and two others.

Name Servers

kosys.com carries NS records delegating to ns1.timmehosting.de, ns2.timmehosting.de and ns3.timmehosting.de.

kosys.com shares at least some of its name servers with other domains, including aquanis.de, schroeder-buende.de, se-legal.de and two others.

ns1.timmehosting.de, ns2.timmehosting.de and ns3.timmehosting.de are three hostnames that each resolve to a pair of IP addresses: ns1.timmehosting.de to 78.47.168.192 and 2a01:4f8:c17:89e2::1, ns2.timmehosting.de to 157.90.19.57 and 2a01:4f8:1c1e:b474::1, and ns3.timmehosting.de to 94.237.31.204 and 2a04:3542:1000:910:74b0:a6ff:feb3:4ad5.

Mail Servers

kosys.com routes its mail through a single mail server, kosys-com.mail.protection.outlook.com.

kosys-com.mail.protection.outlook.com directs to 8 IP numbers, including 52.101.168.0, 52.101.170.0 and 52.101.170.1, along with 5 other.