writebooks.jp - robtex.com

writebooks.jp

DNSSEC⚠️ Not signed
A182.48.18.124🇯🇵 SAKURA-C182.48.0.0/18 (6/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
MXwritebooks.jp ⭐
A182.48.18.124🇯🇵 SAKURA-C182.48.0.0/18 (6/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan
TXTv=spf1 mx ~all
SOAmaster.dns.ne.jptech@sakura.ad.jp 2020-06-27 #13

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=1773558003

MX for

writebooks.jp

Same first word

writebooks.net
writebooks.jp

Similar names

bookswrite.com

DNS History

9 records (5 active, 4 former)

20162017201820192020202120222023202420252026NSmaster.dns.ne.jpns1.dns.ne.jpns2.dns.ne.jpns1.bizmark.jpns1.writebooks.jpns2.w-u.jpMXwritebooks.jpmail.writebooks.jpA182.48.18.124
●NSmaster.dns.ne.jp2026-02-16 → 2026-03-22 · 3 obs
○ 2019-04-01 04:44:02
● 2026-02-16 04:26:22
● 2026-03-22 18:53:40
○NSns1.bizmark.jp2015-07-18 → 2019-04-01 · 4 obs
● 2015-07-18 11:12:46
● 2019-04-01 04:44:02
○ 2026-02-16 04:26:22
○ 2026-03-22 18:53:40
●NSns1.dns.ne.jp2026-02-16 → 2026-03-22 · 3 obs
○ 2019-04-01 04:44:02
● 2026-02-16 04:26:22
● 2026-03-22 18:53:40
○NSns1.writebooks.jp2015-07-18 → 2019-04-01 · 4 obs
● 2015-07-18 11:12:46
● 2019-04-01 04:44:02
○ 2026-02-16 04:26:22
○ 2026-03-22 18:53:40
●NSns2.dns.ne.jp2026-02-16 → 2026-03-22 · 3 obs
○ 2019-04-01 04:44:02
● 2026-02-16 04:26:22
● 2026-03-22 18:53:40
○NSns2.w-u.jp2015-07-18 → 2019-04-01 · 4 obs
● 2015-07-18 11:12:46
● 2019-04-01 04:44:02
○ 2026-02-16 04:26:22
○ 2026-03-22 18:53:40
○MXmail.writebooks.jp2015-07-18 → 2019-04-01 · 4 obs
● 2015-07-18 11:12:46
● 2019-04-01 04:44:02
○ 2026-02-16 04:26:22
○ 2026-03-22 18:53:40
●MXwritebooks.jp2026-02-16 → 2026-03-22 · 3 obs
○ 2019-04-01 04:44:02
● 2026-02-16 04:26:22
● 2026-03-22 18:53:40
●A182.48.18.1242015-07-18 → 2026-03-22 · 2 obs
● 2015-07-18 11:12:46
● 2026-03-22 18:53:40

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, c.dns.jp, e.dns.jp, d.dns.jp...-
writebooks.jpns2.dns.ne.jp, ns1.dns.ne.jp2 records

✅ Authoritative Response

Server: 61.211.236.1

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for writebooks.jp (unsigned zone)

⏱️ Timing

Total: 983ms | Queries: -

📄 Records

TypeCountSample Data
A1182.48.18.124
NS2ns1.dns.ne.jp, ns2.dns.ne.jp
MX1writebooks.jp (pri: 10)
TXT1v=spf1 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

writebooks.jp serves as a mail server for writebooks.jp.

IP Addresses

writebooks.jp points to a single IP: 182.48.18.124.

Other host names, for example mail.xchat.jp, hpkobo.jp, mail.hpkobo.jp and xchat.jp share IP numbers with writebooks.jp.

Name Servers

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

writebooks.jp partially shares name servers with other domains; examples include hi-web.biz, to-gather.com, kirara-english.com, touch-qr.sakura.ne.jp and kitanakakyo-bihin.com.

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

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

writebooks.jp points to a single IP: 182.48.18.124.