courier.jp - robtex.com

courier.jp

DNSSEC⚠️ Not signed
A219.94.160.194🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTR194.160.94.219.static.www142b.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
MXcourier.jp ⭐
A219.94.160.194🇯🇵 SAKURA-C219.94.128.0/17 (3/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTR194.160.94.219.static.www142b.sakura.ne.jp
TXTv=spf1 a:www142b.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2026-06-09 #14

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=1783755003

MX for

courier.jp

Same first word

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courier.tel
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Similar names

curiero.com
eurocir.com
ruicore.com
uricore.eu
corerui.com
eurocri.com
courire.fr
curiero.ro
uricore.be
euroirc.com
recurio.org
curreio.com
uricore.com
uricore.net
eurocir.es
eurocri.fr
oricure.com
curiore.com
eucorri.com.br

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns1.minibird.jpns2.minibird.jpns3.minibird.jpMXcourier.jpA219.94.160.194112.78.117.26
●NSmaster.dns.ne.jp2026-06-26 → 2026-07-11 · 3 obs
○ 2017-07-26 20:30:24
● 2026-06-26 00:04:00
● 2026-07-11 08:03:56
●NSns1.dns.ne.jp2026-06-26 → 2026-07-11 · 3 obs
○ 2017-07-26 20:30:24
● 2026-06-26 00:04:00
● 2026-07-11 08:03:56
○NSns1.minibird.jp2015-06-05 → 2017-07-26 · 4 obs
● 2015-06-05 04:26:46
● 2017-07-26 20:30:24
○ 2026-06-26 00:04:00
○ 2026-07-11 08:03:56
●NSns2.dns.ne.jp2026-06-26 → 2026-07-11 · 3 obs
○ 2017-07-26 20:30:24
● 2026-06-26 00:04:00
● 2026-07-11 08:03:56
○NSns2.minibird.jp2015-06-05 → 2017-07-26 · 4 obs
● 2015-06-05 04:26:46
● 2017-07-26 20:30:24
○ 2026-06-26 00:04:00
○ 2026-07-11 08:03:56
○NSns3.minibird.jp2015-06-05 → 2017-07-26 · 4 obs
● 2015-06-05 04:26:46
● 2017-07-26 20:30:24
○ 2026-06-26 00:04:00
○ 2026-07-11 08:03:56
●MXcourier.jp2015-06-05 → 2026-07-11 · 2 obs
● 2015-06-05 04:26:46
● 2026-07-11 08:03:56
○A112.78.117.262015-06-05 → 2017-07-26 · 4 obs
● 2015-06-05 04:26:46
● 2017-07-26 20:30:24
○ 2026-06-26 00:04:00
○ 2026-07-11 08:03:56
●A219.94.160.1942026-06-26 → 2026-07-11 · 3 obs
○ 2017-07-26 20:30:24
● 2026-06-26 00:04:00
● 2026-07-11 08:03:56

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, e.dns.jp, c.dns.jp, g.dns.jp...-
courier.jpns1.dns.ne.jp, ns2.dns.ne.jp2 records

✅ 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 courier.jp (unsigned zone)

⏱️ Timing

Total: 903ms | Queries: -

📄 Records

TypeCountSample Data
A1219.94.160.194
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1courier.jp (pri: 10)
TXT1v=spf1 a:www142b.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

courier.jp acts as its own mail server.

IP Addresses

courier.jp points to a single IP number: 219.94.160.194.

Additional host names — 0569.co.jp, fdm.jp, 194.160.94.219.static.www142b.sakura.ne.jp and two others — share IP numbers with courier.jp.

Name Servers

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

courier.jp shares at least some of its name servers with other domains, including 172.224.210.in-addr.arpa, shinsei-k.sakura.ne.jp, talk-pro.com and two others.

These name servers are frequently seen alongside the name servers dns.sakura.ad.jp.

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

courier.jp has a single mail server: courier.jp itself.

courier.jp directs to just one IP number, 219.94.160.194.