knetsys.com - dns.ninja

knetsys.com

DNSSEC⚠️ Not signed
A49.212.180.198🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2758.sakura.ne.jp
NSmaster.dns.ne.jp ⭐
A210.224.172.18🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRmaster.dns.ne.jp
NSns1.dns.ne.jp
A61.211.236.1🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRns1.dns.ne.jp
NSns2.dns.ne.jp
A133.167.21.1🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan
PTRns2.dns.ne.jp
MXknetsys.com ⭐
A49.212.180.198🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2758.sakura.ne.jp
TXTv=spf1 a:www2758.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2015-02-27 #20

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=1786216074

MX for

knetsys.com

Same first word

knetsys.com

Similar names

synteks.ru
skynets.pl
synteks.com
skynest.co.nz
sentsky.com
skynest.us
sskyent.com
tyskens.be
skynest.com.ar
nteksys.com
skynets.org
skynets.xyz
skynest.org
skynest.net
skynets.fr
skytens.com
kystens.dk
nestsky.com
skysent.com
skynets.com
netssky.com
skynets.com.au
skynest.com
skynets.net
skynest.co.za
skynets.eu
tsnkesy.com

DNS History

5 records (5 active, 0 former)

201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpMXknetsys.comA49.212.180.198
●NSmaster.dns.ne.jp2017-01-05 → 2026-08-08 · 2 obs
● 2017-01-05 03:10:08
● 2026-08-08 19:11:22
●NSns1.dns.ne.jp2017-01-05 → 2026-08-08 · 2 obs
● 2017-01-05 03:10:08
● 2026-08-08 19:11:22
●NSns2.dns.ne.jp2017-01-05 → 2026-08-08 · 2 obs
● 2017-01-05 03:10:08
● 2026-08-08 19:11:22
●MXknetsys.com2017-01-05 → 2026-08-08 · 2 obs
● 2017-01-05 03:10:08
● 2026-08-08 19:11:22
●A49.212.180.1982017-01-05 → 2026-08-08 · 2 obs
● 2017-01-05 03:10:08
● 2026-08-08 19:11:22

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comh.gtld-servers.net, e.gtld-servers.net, g.gtld-servers.net, k.gtld-servers.net...-
knetsys.comns1.dns.ne.jp, ns2.dns.ne.jp-

✅ Authoritative Response

Server:61.211.236.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for knetsys.com (unsigned zone)

⏱️ Timing

Total: 966ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.180.198
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1knetsys.com (pri: 10)
TXT1v=spf1 a:www2758.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

knetsys.com handles its own mail, functioning as its own mail server.

IP Addresses

knetsys.com resolves to just one IP address, 49.212.180.198.

Two other host names, along with gakuenseminar.com, mkclinic.sakura.ne.jp and sn-net.com, also share IP numbers with knetsys.com.

Name Servers

DNS for knetsys.com is handled by three authoritative name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

There is at least partial name server overlap between knetsys.com and other domains — humanbrain.jp, clubd.info, chikyu-ya.info and two more among them.

master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp all have one IP address each — master.dns.ne.jp directs to 210.224.172.18, ns1.dns.ne.jp directs to 61.211.236.1 and ns2.dns.ne.jp directs to 133.167.21.1.

Mail Servers

knetsys.com is served by just one mail server: knetsys.com.

knetsys.com has exactly one IP number: 49.212.180.198.