alpha-sp.jp - robtex.com

alpha-sp.jp

DNSSEC⚠️ Not signed
A49.212.207.191🇯🇵 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 ⭐
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
MXalpha-sp.jp ⭐
A49.212.207.191🇯🇵 SAKURA-C49.212.0.0/16 (7/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
TXTv=spf1 a:www3151.sakura.ne.jp mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2019-11-17 #10

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=1784424602

MX for

alpha-sp.jp

Same first word

alpha-sp.jp
alpha-sp.co.jp

Similar names

alpha-ps.com
palas-ph.org

DNS History

12 records (5 active, 7 former)

201020122014201620182020202220242026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpasns1.customer.ne.jpasns2.customer.ne.jpns30a.wh2.ocn.ne.jpns30b.wh2.ocn.ne.jpMXalpha-sp.jpmail-fwd.wh2.ocn.ne.jpA49.212.207.19160.43.229.16961.126.42.175
○NSasns1.customer.ne.jp2015-07-25 → 2017-04-05 · 5 obs
○ 2009-01-14 01:36:04
● 2015-07-25 19:07:52
● 2017-04-05 00:05:52
○ 2026-02-21 13:12:38
○ 2026-07-19 02:18:36
○NSasns2.customer.ne.jp2015-07-25 → 2017-04-05 · 5 obs
○ 2009-01-14 01:36:04
● 2015-07-25 19:07:52
● 2017-04-05 00:05:52
○ 2026-02-21 13:12:38
○ 2026-07-19 02:18:36
●NSmaster.dns.ne.jp2026-02-21 → 2026-07-19 · 3 obs
○ 2017-04-05 00:05:52
● 2026-02-21 13:12:38
● 2026-07-19 02:18:36
●NSns1.dns.ne.jp2026-02-21 → 2026-07-19 · 3 obs
○ 2017-04-05 00:05:52
● 2026-02-21 13:12:38
● 2026-07-19 02:18:36
●NSns2.dns.ne.jp2026-02-21 → 2026-07-19 · 3 obs
○ 2017-04-05 00:05:52
● 2026-02-21 13:12:38
● 2026-07-19 02:18:36
○NSns30a.wh2.ocn.ne.jp2009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 01:36:04
○ 2015-07-25 19:07:52
○ 2026-07-19 02:18:36
○NSns30b.wh2.ocn.ne.jp2009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 01:36:04
○ 2015-07-25 19:07:52
○ 2026-07-19 02:18:36
●MXalpha-sp.jp2015-07-25 → 2026-07-19 · 3 obs
○ 2009-01-14 01:36:04
● 2015-07-25 19:07:52
● 2026-07-19 02:18:36
○MXmail-fwd.wh2.ocn.ne.jp2009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 01:36:04
○ 2015-07-25 19:07:52
○ 2026-07-19 02:18:36
●A49.212.207.1912026-02-21 → 2026-07-19 · 3 obs
○ 2017-04-05 00:05:52
● 2026-02-21 13:12:38
● 2026-07-19 02:18:36
○A60.43.229.1692009-01-14 → 2009-01-14 · 3 obs
● 2009-01-14 01:36:04
○ 2015-07-25 19:07:52
○ 2026-07-19 02:18:36
○A61.126.42.1752015-07-25 → 2017-04-05 · 5 obs
○ 2009-01-14 01:36:04
● 2015-07-25 19:07:52
● 2017-04-05 00:05:52
○ 2026-02-21 13:12:38
○ 2026-07-19 02:18:36

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpe.dns.jp, g.dns.jp, c.dns.jp, a.dns.jp...-
alpha-sp.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 alpha-sp.jp (unsigned zone)

⏱️ Timing

Total: 3237ms | Queries: -

📄 Records

TypeCountSample Data
A149.212.207.191
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1alpha-sp.jp (pri: 10)
TXT1v=spf1 a:www3151.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

alpha-sp.jp acts as its own mail server.

IP Addresses

alpha-sp.jp points to a single IP number: 49.212.207.191.

Additional host names — orangemole.sakura.ne.jp, ryoushinjp.sakura.ne.jp, ecogae.jp and two others — share IP numbers with alpha-sp.jp.

Name Servers

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

The name servers of alpha-sp.jp overlap at least partially with those of other domains — among them soucho.com, kzk.sakura.ne.jp, nk225system.sakura.ne.jp and two more.

These name servers commonly appear in combination with 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

alpha-sp.jp has a single mail server: alpha-sp.jp itself.

alpha-sp.jp directs to just one IP number, 49.212.207.191.