sysk2.com - dns.ninja

sysk2.com

DNSSEC⚠️ Not signed
A49.212.243.92🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3582.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
MXsysk2.com ⭐
A49.212.243.92🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww3582.sakura.ne.jp
TXTv=spf1 a:www3582.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2025-01-20 #18

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=1782272030

MX for

sysk2.com

Same first word

sysk2.com

Similar names

sys2k.co.uk
2ksys.cz
2ksys.com
k2sys.com
sys2k.com

DNS History

11 records (5 active, 6 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpuns01.lolipop.jpuns02.lolipop.jpMXsysk2.commx01.lolipop.jpA49.212.243.92157.7.107.73157.7.107.94203.189.109.97
●NSmaster.dns.ne.jp2026-06-24 → 2026-06-24 · 3 obs
○ 2020-02-29 16:16:58
● 2026-06-24 03:59:28
● 2026-06-24 03:59:30
●NSns1.dns.ne.jp2026-06-24 → 2026-06-24 · 3 obs
○ 2020-02-29 16:16:58
● 2026-06-24 03:59:28
● 2026-06-24 03:59:30
●NSns2.dns.ne.jp2026-06-24 → 2026-06-24 · 3 obs
○ 2020-02-29 16:16:58
● 2026-06-24 03:59:28
● 2026-06-24 03:59:30
○NSuns01.lolipop.jp2015-06-03 → 2020-02-29 · 4 obs
● 2015-06-03 18:23:06
● 2020-02-29 16:16:58
○ 2026-06-24 03:59:28
○ 2026-06-24 03:59:30
○NSuns02.lolipop.jp2015-06-03 → 2020-02-29 · 4 obs
● 2015-06-03 18:23:06
● 2020-02-29 16:16:58
○ 2026-06-24 03:59:28
○ 2026-06-24 03:59:30
○MXmx01.lolipop.jp2015-06-03 → 2020-02-29 · 4 obs
● 2015-06-03 18:23:06
● 2020-02-29 16:16:58
○ 2026-06-24 03:59:28
○ 2026-06-24 03:59:30
●MXsysk2.com2026-06-24 → 2026-06-24 · 3 obs
○ 2020-02-29 16:16:58
● 2026-06-24 03:59:28
● 2026-06-24 03:59:30
○A157.7.107.732020-02-29 → 2020-02-29 · 4 obs
○ 2017-03-31 02:20:06
● 2020-02-29 16:16:58
○ 2026-06-24 03:59:28
○ 2026-06-24 03:59:30
○A157.7.107.942016-03-29 → 2017-03-31 · 5 obs
○ 2016-01-02 21:52:54
● 2016-03-29 01:28:48
● 2017-03-31 02:20:06
○ 2020-02-29 16:16:58
○ 2026-06-24 03:59:30
○A203.189.109.972015-06-03 → 2016-01-02 · 4 obs
● 2015-06-03 18:23:06
● 2016-01-02 21:52:54
○ 2016-03-29 01:28:48
○ 2026-06-24 03:59:30
●A49.212.243.922026-06-24 → 2026-06-24 · 3 obs
○ 2020-02-29 16:16:58
● 2026-06-24 03:59:28
● 2026-06-24 03:59:30

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
comf.gtld-servers.net, m.gtld-servers.net, j.gtld-servers.net, i.gtld-servers.net...-
sysk2.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 sysk2.com (unsigned zone)

⏱️ Timing

Total: 1378ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.243.92
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1sysk2.com (pri: 10)
TXT1v=spf1 a:www3582.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

Analysis

Mail Server Role

sysk2.com handles its own mail, functioning as its own mail server.

IP Addresses

sysk2.com resolves to just one IP address, 49.212.243.92.

Two other host names, along with hughome.net, puzkan.jp and www3582.sakura.ne.jp, also share IP numbers with sysk2.com.

Name Servers

The authoritative name servers for sysk2.com are master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp — three in total.

sysk2.com has at least partial name server overlap with other domains, such as shikakushiken.sakura.ne.jp, itamis.net, bb-douga.com and two others.

The hostnames master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp each resolve to a single IP: master.dns.ne.jp → 210.224.172.18, ns1.dns.ne.jp → 61.211.236.1, ns2.dns.ne.jp → 133.167.21.1.

Mail Servers

sysk2.com is served by just one mail server: sysk2.com.

sysk2.com directs to just one IP number, 49.212.243.92.