sd-jet.com - robtex.com

sd-jet.com

DNSSEC⚠️ Not signed
A183.90.248.4🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv303.sixcore.ne.jp
NSns1.sixcore.ne.jp ⭐
A202.226.36.232🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.sixcore.ne.jp
NSns2.sixcore.ne.jp
A202.226.39.241🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns2.sixcore.ne.jp
NSns3.sixcore.ne.jp
A202.226.37.248🇯🇵 XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.sixcore.ne.jp
MXsd-jet.com ⭐
A183.90.248.4🇯🇵 XSERVER-AS183.90.240.0/20 XSERVER Inc.
PTRsv303.sixcore.ne.jp
TXTv=spf1 +a:sv303.sixcore.ne.jp +a:sd-jet.com +mx include:spf.sender.xserver.jp...
SOAns1.sixcore.ne.jproot@sv0.sixcore.ne.jp serial=0

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=1775175987

MX for

sd-jet.com

Same first word

sd-jet.com

DNS History

9 records (5 active, 4 former)

2017201820192020202120222023202420252026NSns1.sixcore.ne.jpns2.sixcore.ne.jpns3.sixcore.ne.jpns4.mcnet.ad.jpns5.mcnet.ad.jpMXsd-jet.commail.sd-jet.comA183.90.248.4203.211.179.198
●NSns1.sixcore.ne.jp2026-03-10 → 2026-04-03 · 3 obs
○ 2017-01-07 10:39:18
● 2026-03-10 03:24:04
● 2026-04-03 00:52:32
●NSns2.sixcore.ne.jp2026-03-10 → 2026-04-03 · 3 obs
○ 2017-01-07 10:39:18
● 2026-03-10 03:24:04
● 2026-04-03 00:52:32
●NSns3.sixcore.ne.jp2026-03-10 → 2026-04-03 · 3 obs
○ 2017-01-07 10:39:18
● 2026-03-10 03:24:04
● 2026-04-03 00:52:32
○NSns4.mcnet.ad.jp2016-01-25 → 2017-01-07 · 4 obs
● 2016-01-25 13:55:30
● 2017-01-07 10:39:18
○ 2026-03-10 03:24:04
○ 2026-04-03 00:52:32
○NSns5.mcnet.ad.jp2016-01-25 → 2017-01-07 · 4 obs
● 2016-01-25 13:55:30
● 2017-01-07 10:39:18
○ 2026-03-10 03:24:04
○ 2026-04-03 00:52:32
○MXmail.sd-jet.com2016-01-25 → 2017-01-07 · 4 obs
● 2016-01-25 13:55:30
● 2017-01-07 10:39:18
○ 2026-03-10 03:24:04
○ 2026-04-03 00:52:32
●MXsd-jet.com2026-03-10 → 2026-04-03 · 3 obs
○ 2017-01-07 10:39:18
● 2026-03-10 03:24:04
● 2026-04-03 00:52:32
●A183.90.248.42026-03-10 → 2026-04-03 · 3 obs
○ 2017-01-07 10:39:18
● 2026-03-10 03:24:04
● 2026-04-03 00:52:32
○A203.211.179.1982016-01-25 → 2017-01-07 · 4 obs
● 2016-01-25 13:55:30
● 2017-01-07 10:39:18
○ 2026-03-10 03:24:04
○ 2026-04-03 00:52:32

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
coml.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net...-
sd-jet.comns1.sixcore.ne.jp, ns2.sixcore.ne.jp, ns3.sixcore.ne.jp-

✅ Authoritative Response

Server:202.226.37.248

NS records: ns1.sixcore.ne.jp, ns2.sixcore.ne.jp, ns3.sixcore.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for sd-jet.com (unsigned zone)

⏱️ Timing

Total: 1017ms | Queries: -

📄 Records

TypeCountSample Data
A1183.90.248.4
NS3ns3.sixcore.ne.jp, ns1.sixcore.ne.jp...
MX1sd-jet.com (pri: 0)
TXT1v=spf1 +a:sv303.sixcore.ne.jp +a:sd-jet.
SOA1ns1.sixcore.ne.jp root.sv0.sixcore.ne.jp

Analysis

Mail Server Role

sd-jet.com serves as the mail server for sd-jet.com.

IP Addresses

sd-jet.com points to a single IP number: 183.90.248.4.

Other host names, for instance yudanakaonnsen-purin.com, www.mammys.jp, minaret-imi.net, reptilesworld.jp and shindan-conatus.com share IP numbers with sd-jet.com.

Name Servers

The delegation for sd-jet.com is handled by three name servers: ns1.sixcore.ne.jp, ns2.sixcore.ne.jp and ns3.sixcore.ne.jp.

sd-jet.com at least partially shares name servers with other domains, for instance kaidokensetsu.com, nego.jp, mokuba.jp, dance-school-lab3.com and humanbrain.co.jp.

Host names with one IP number:

ns1.sixcore.ne.jp points to 202.226.36.232.

ns2.sixcore.ne.jp points to 202.226.39.241.

ns3.sixcore.ne.jp points to 202.226.37.248.

Mail Servers

A single mail server handles sd-jet.com.

sd-jet.com points to a single IP: 183.90.248.4.