mail.emerald.jp - robtex.com

mail.emerald.jp

CNAMEemerald.jp
DNSSEC⚠️ Not signed
A49.212.198.172🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2932.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
MXemerald.jp ⭐
A49.212.198.172🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
PTRwww2932.sakura.ne.jp
SOAmaster.dns.ne.jptech@sakura.ad.jp 2021-06-14 #16

emerald.jp

DNSSEC⚠️ Not signed
A49.212.198.172🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
NSmaster.dns.ne.jp ⭐
NSns1.dns.ne.jp
NSns2.dns.ne.jp
MXemerald.jp ⭐
SOAmaster.dns.ne.jptech@sakura.ad.jp 2021-06-14 #16

Previously MX for

emerald.jp

Same first word

mail.io
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DNS History

2 records (1 active, 1 former)

20162017201820192020202120222023202420252026A49.212.178.248CNAMEemerald.jp
○A49.212.178.2482015-06-23 → 2016-04-09 · 3 obs
● 2015-06-23 03:25:20
● 2016-04-09 11:30:02
○ 2026-04-18 10:57:06
●CNAMEemerald.jp2026-04-18 → 2026-04-18 · 1 obs
● 2026-04-18 10:57:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, d.dns.jp, c.dns.jp, f.dns.jp...-
emerald.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 emerald.jp (unsigned zone)

⏱️ Timing

Total: 901ms | Queries: -

📄 Records

TypeCountSample Data
CNAME1emerald.jp

📌 Glue Records Collected

Total: 2

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

Analysis

IP Addresses

mail.emerald.jp points to a single IP: 49.212.198.172.

Other host names, for instance www2932.sakura.ne.jp, bachins.com, msv-im06362.sakura.ne.jp, gozaaru.sakura.ne.jp and tmty.sakura.ne.jp share IP numbers with mail.emerald.jp.

Name Servers

mail.emerald.jp is delegated to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

mail.emerald.jp partially shares name servers with other domains; examples include pcgame-r18.jp, answer-home.com, support-bin.com, egpower.co.jp and sugiken.sakura.ne.jp.

these name servers are commonly used with the name servers dns.sakura.ad.jp.

Host names with one IP number:

Host master.dns.ne.jp points to 210.224.172.18.

Host ns1.dns.ne.jp points to 61.211.236.1.

Host ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

mail.emerald.jp is handled by a single mail server, emerald.jp.

mail.emerald.jp uses the same mail server setup as other domains, for example emerald.jp.

emerald.jp points to a single IP: 49.212.198.172.