workmail.jp - dns.ninja

workmail.jp

DNSSEC⚠️ Not signed
A2001:e42:101:1:202:181:97:16🇯🇵 SAKURA-B2001:e40::/30 SAKURA Internet Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka 530-0011, JAPAN
PTRwww206.sakura.ne.jp
A202.181.97.16🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
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
MXworkmail.jp ⭐
A2001:e42:101:1:202:181:97:16🇯🇵 SAKURA-B2001:e40::/30 SAKURA Internet Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka 530-0011, JAPAN
PTRwww206.sakura.ne.jp
A202.181.97.16🇯🇵 SAKURA-B202.181.96.0/20 (6/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww206.sakura.ne.jp
TXTv=spf1 a:www206.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2020-02-10 #21

jp

DNSSEC🔒 Signed (DS record present)
NSz.dns.jp ⭐
NSa.dns.jp
NSb.dns.jp
NSc.dns.jp
NSd.dns.jp
NSe.dns.jp
NSf.dns.jp
NSg.dns.jp
NSh.dns.jp
SOAz.dns.jproot@dns.jp serial=1784986203

MX for

workmail.jp

Same first word

workmail.co.za
workmail.awsapps.com
workmail.biz
workmail.cz
workmail.cc
workmail.cn
workmail.co.uk
workmail.io.vn
workmail.co.at
workmail.net
workmail.email
workmail.in
workmail.de
workmail.ca
workmail.info
workmail.co
workmail.at
workmail.dk
workmail.us-east-1.amazonaws.com
workmail.pro
workmail.eu
workmail.com
workmail.us
workmail.com.br
workmail.io
workmail.jp
workmail.it

Similar names

mailwork.ir
wilomark.com
mailwork.com
milawork.com
mokrilaw.com
mailwork.net
mailwork.de
mailwork.ru
workmali.com
mailwork.at
worklima.com
mailwork.org

DNS History

10 records (6 active, 4 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns.mediawars.ne.jpns2.mediawars.ne.jpMXworkmail.jpmail.workmail.jpA2001:e42:101:1:202:181:97:16202.181.97.16210.233.73.227
●NSmaster.dns.ne.jp2026-02-27 → 2026-07-25 · 3 obs
○ 2017-07-30 10:34:02
● 2026-02-27 23:58:26
● 2026-07-25 14:08:58
○NSns.mediawars.ne.jp2015-05-31 → 2017-07-30 · 4 obs
● 2015-05-31 18:31:42
● 2017-07-30 10:34:02
○ 2026-02-27 23:58:26
○ 2026-07-25 14:08:58
●NSns1.dns.ne.jp2026-02-27 → 2026-07-25 · 3 obs
○ 2017-07-30 10:34:02
● 2026-02-27 23:58:26
● 2026-07-25 14:08:58
●NSns2.dns.ne.jp2026-02-27 → 2026-07-25 · 3 obs
○ 2017-07-30 10:34:02
● 2026-02-27 23:58:26
● 2026-07-25 14:08:58
○NSns2.mediawars.ne.jp2015-05-31 → 2017-07-30 · 4 obs
● 2015-05-31 18:31:42
● 2017-07-30 10:34:02
○ 2026-02-27 23:58:26
○ 2026-07-25 14:08:58
○MXmail.workmail.jp2015-05-31 → 2017-07-30 · 4 obs
● 2015-05-31 18:31:42
● 2017-07-30 10:34:02
○ 2026-02-27 23:58:26
○ 2026-07-25 14:08:58
●MXworkmail.jp2026-02-27 → 2026-07-25 · 3 obs
○ 2017-07-30 10:34:02
● 2026-02-27 23:58:26
● 2026-07-25 14:08:58
●A2001:e42:101:1:202:181:97:162026-02-27 → 2026-07-25 · 3 obs
○ 2017-07-30 10:34:02
● 2026-02-27 23:58:26
● 2026-07-25 14:08:58
●A202.181.97.162026-02-27 → 2026-07-25 · 3 obs
○ 2017-07-30 10:34:02
● 2026-02-27 23:58:26
● 2026-07-25 14:08:58
○A210.233.73.2272015-05-31 → 2017-07-30 · 4 obs
● 2015-05-31 18:31:42
● 2017-07-30 10:34:02
○ 2026-02-27 23:58:26
○ 2026-07-25 14:08:58

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
workmail.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server:133.167.21.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for workmail.jp (unsigned zone)

⏱️ Timing

Total: 943ms | Queries: -

📄 Records

TypeCountSample Data
A1202.181.97.16
AAAA12001:e42:101:1:202:181:97:16
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1workmail.jp (pri: 10)
TXT1v=spf1 a:www206.sakura.ne.jp mx ~all
SOA1master.dns.ne.jp tech.sakura.ad.jp

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (ns2.dns.ne.jp, ns1.dns.ne.jp)

Analysis

Mail Server Role

workmail.jp is listed as a mail server for itself.

IP Addresses

workmail.jp directs to two IP numbers, 202.181.97.16 and 2001:e42:101:1:202:181:97:16

jjmail.net, takashima-yusou.sakura.ne.jp, matsunamilaw.gr.jp and two other host names share IP numbers with workmail.jp.

Name Servers

workmail.jp is served by three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

workmail.jp partially shares its NS delegation with several other domains, including tk-webs.com, laboba.net, jyuhun-chord.com and two others.

master.dns.ne.jp has IP address 210.224.172.18, ns1.dns.ne.jp has IP address 61.211.236.1 and ns2.dns.ne.jp has IP address 133.167.21.1 — one address each.

Mail Servers

Mail for workmail.jp is handled by one mail server — workmail.jp.

The host workmail.jp resolves to 202.181.97.16 and 2001:e42:101:1:202:181:97:16 — two IP addresses.