datakernel.co.jp - dns.ninja

datakernel.co.jp

DNSSEC⚠️ Not signed
A162.43.94.87πŸ‡―πŸ‡΅ XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv15086.xserver.jp
NSns1.xserver.jp ⭐
A202.226.36.164πŸ‡―πŸ‡΅ XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.170πŸ‡―πŸ‡΅ XSERVER-AS202.226.36.0/22 XSERVER Inc.
A202.226.36.246πŸ‡―πŸ‡΅ XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns1.xserver.jp
NSns2.xserver.jp
A35.72.43.26πŸ‡―πŸ‡΅ Amazon35.72.0.0/13 EC2 NRT prefix
PTRns2.xserver.jp
NSns3.xserver.jp
A202.226.36.247πŸ‡―πŸ‡΅ XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns3.xserver.jp
NSns4.xserver.jp
A183.90.224.226πŸ‡―πŸ‡΅ XSERVER-AS183.90.224.0/20 XSERVER Inc.
A183.90.224.230πŸ‡―πŸ‡΅ XSERVER-AS183.90.224.0/20 XSERVER Inc.
A202.226.39.247πŸ‡―πŸ‡΅ XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns4.xserver.jp
NSns5.xserver.jp
A157.112.182.218πŸ‡―πŸ‡΅ XSERVER-AS157.112.176.0/21 XSERVER Inc.
A157.112.182.220πŸ‡―πŸ‡΅ XSERVER-AS157.112.176.0/21 XSERVER Inc.
A202.226.37.247πŸ‡―πŸ‡΅ XSERVER-AS202.226.36.0/22 XSERVER Inc.
PTRns5.xserver.jp
MXdatakernel-co-jp.mail.protection.outlook.com ⭐
A2a01:111:f403:c801::1πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-sn1pr0501cu00101.inbound.protection.outlook.com
A2a01:111:f403:c931::1πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-sa9pr03cu00201.inbound.protection.outlook.com
A2a01:111:f403:f901::1πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-bl0pr02cu00601.inbound.protection.outlook.com
A2a01:111:f403:f905::3πŸ‡ΊπŸ‡Έ Microsoft2a01:111:f000::/36
PTRmail-dm5pr02cu00203.inbound.protection.outlook.com
A52.101.8.46πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-dm6pr05cu00406.inbound.protection.outlook.com
A52.101.10.18πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn8pr05cu00302.inbound.protection.outlook.com
A52.101.50.4πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-co1pr03cu00404.inbound.protection.outlook.com
A52.101.50.7πŸ‡ΊπŸ‡Έ Microsoft52.96.0.0/12 MICROSOFT
PTRmail-co1pr21cu00207.inbound.protection.outlook.com
MXdatakernel.co.jp(100)
A162.43.94.87πŸ‡―πŸ‡΅ XSERVER-AS162.43.0.0/17 XSERVER Inc.
PTRsv15086.xserver.jp
TXTv=spf1 +a:sv15086.xserver.jp +a:datakernel.co.jp +mx include:spf.sender.xserv...
TXTMS=ms54466623
SOAns1.xserver.jproot@xserver.jp serial=0

co.jp

DNSSEC⚠️ Not signed
TXTco.jp.
WOT: SAFE (58/100)

MX for

Subdomains

Same first word

Similar names

DNS History

13 records (8 active, 5 former)

20162017201820192020202120222023202420252026NSns1.xserver.jpns2.xserver.jpns3.xserver.jpns4.xserver.jpns5.xserver.jpasns1.customer.ne.jpasns2.customer.ne.jpMXdatakernel-co-jp.mail.protection.outlook.comdatakernel.co.jpmail.datakernel.co.jpA162.43.94.87122.1.230.31140.227.100.140
β—‹NSasns1.customer.ne.jp2015-08-22 β†’ 2020-02-18 Β· 4 obs
● 2015-08-22 08:58:44
● 2020-02-18 20:33:30
β—‹ 2026-03-08 07:02:06
β—‹ 2026-08-06 07:47:24
β—‹NSasns2.customer.ne.jp2015-08-22 β†’ 2020-02-18 Β· 4 obs
● 2015-08-22 08:58:44
● 2020-02-18 20:33:30
β—‹ 2026-03-08 07:02:06
β—‹ 2026-08-06 07:47:24
●NSns1.xserver.jp2026-03-08 β†’ 2026-08-06 Β· 3 obs
β—‹ 2020-02-18 20:33:30
● 2026-03-08 07:02:06
● 2026-08-06 07:47:24
●NSns2.xserver.jp2026-03-08 β†’ 2026-08-06 Β· 3 obs
β—‹ 2020-02-18 20:33:30
● 2026-03-08 07:02:06
● 2026-08-06 07:47:24
●NSns3.xserver.jp2026-03-08 β†’ 2026-08-06 Β· 3 obs
β—‹ 2020-02-18 20:33:30
● 2026-03-08 07:02:06
● 2026-08-06 07:47:24
●NSns4.xserver.jp2026-03-08 β†’ 2026-08-06 Β· 3 obs
β—‹ 2020-02-18 20:33:30
● 2026-03-08 07:02:06
● 2026-08-06 07:47:24
●NSns5.xserver.jp2026-03-08 β†’ 2026-08-06 Β· 3 obs
β—‹ 2020-02-18 20:33:30
● 2026-03-08 07:02:06
● 2026-08-06 07:47:24
●MXdatakernel-co-jp.mail.protection.outlook.com2026-03-08 β†’ 2026-08-06 Β· 3 obs
β—‹ 2020-02-18 20:33:30
● 2026-03-08 07:02:06
● 2026-08-06 07:47:24
●MXdatakernel.co.jp2015-08-22 β†’ 2026-08-06 Β· 5 obs
● 2015-08-22 08:58:44
● 2017-03-18 12:41:10
β—‹ 2020-02-18 20:33:30
● 2026-03-08 07:02:06
● 2026-08-06 07:47:24
β—‹MXmail.datakernel.co.jp2020-02-18 β†’ 2020-02-18 Β· 4 obs
β—‹ 2017-03-18 12:41:10
● 2020-02-18 20:33:30
β—‹ 2026-03-08 07:02:06
β—‹ 2026-08-06 07:47:24
β—‹A122.1.230.312015-08-22 β†’ 2017-03-18 Β· 4 obs
● 2015-08-22 08:58:44
● 2017-03-18 12:41:10
β—‹ 2020-02-18 20:33:30
β—‹ 2026-08-06 07:47:24
β—‹A140.227.100.1402020-02-18 β†’ 2020-02-18 Β· 4 obs
β—‹ 2017-03-18 12:41:10
● 2020-02-18 20:33:30
β—‹ 2026-03-08 07:02:06
β—‹ 2026-08-06 07:47:24
●A162.43.94.872026-03-08 β†’ 2026-08-06 Β· 3 obs
β—‹ 2020-02-18 20:33:30
● 2026-03-08 07:02:06
● 2026-08-06 07:47:24

πŸ” DNS Trace

πŸ“‹ Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
datakernel.co.jpns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp...11 records

βœ… Authoritative Response

Server:202.226.37.247

NS records: ns5.xserver.jp, ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp, ns4.xserver.jp

πŸ”’ DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for datakernel.co.jp (unsigned zone)

⏱️ Timing

Total: 917ms | Queries: -

πŸ“„ Records

TypeCountSample Data
A1162.43.94.87
NS5ns5.xserver.jp, ns4.xserver.jp...
MX2datakernel-co-jp.mail.protection.outlook, datakernel.co.jp (pri: 100)
TXT2v=spf1 +a:sv15086.xserver.jp +a:datakern, MS=ms54466623
SOA1ns1.xserver.jp root.xserver.jp

πŸ“Œ Glue Records Collected

Total: 11

Out-of-bailiwick: 11 (ns1.xserver.jp, ns1.xserver.jp, ns1.xserver.jp...)

Analysis

Hierarchy

mail.datakernel.co.jp is a subdomain of datakernel.co.jp.

Mail Server Role

datakernel.co.jp handles its own mail, functioning as its own mail server.

datakernel-co-jp.mail.protection.outlook.com is often seen acting as a mail server in combination with datakernel.co.jp.

IP Addresses

datakernel.co.jp resolves to just one IP address, 162.43.94.87.

Two other host names, along with axasoft.net, cyber-will.co.jp and mail.vsharedownload.website, also share IP numbers with datakernel.co.jp.

Name Servers

datakernel.co.jp delegates to five name servers: ns1.xserver.jp, ns2.xserver.jp, ns3.xserver.jp and two others.

The name servers of datakernel.co.jp overlap at least partially with those of other domains β€” among them wannabean.net, pettimo.com, hanagin.org and two more.

These name servers commonly appear alongside the name servers ns4.xserver.jp and ns5.xserver.jp.

Hostnames that map to three IP numbers:

ns1.xserver.jp has IP addresses 202.226.36.164, 202.226.36.170 and 202.226.36.246.

ns4.xserver.jp has IP addresses 183.90.224.226, 183.90.224.230 and 202.226.39.247.

ns5.xserver.jp has IP addresses 157.112.182.218, 157.112.182.220 and 202.226.37.247.

Host names that point to one IP address:

ns2.xserver.jp directs to 35.72.43.26.

ns3.xserver.jp directs to 202.226.36.247.

Mail Servers

datakernel.co.jp uses two mail servers, datakernel.co.jp and datakernel-co-jp.mail.protection.outlook.com.

DNS names with 8 IP addresses:

datakernel-co-jp.mail.protection.outlook.com has IP addresses 52.101.8.46, 52.101.10.18 and 52.101.50.4, plus 5 other.

Host names that point to one IP address:

datakernel.co.jp directs to 162.43.94.87.