letterbox.jp - robtex.com

letterbox.jp

DNSSEC⚠️ Not signed
NSns11.value-domain.com ⭐ ⚠️ Not in parent delegation
A172.64.52.98🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.184🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns1.value-domain.com ⚠️ Not in zone NS records
A172.64.52.38🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.161🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns12.value-domain.com ⚠️ Not in zone NS records
A172.64.53.86🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.188🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns13.value-domain.com ⚠️ Not in zone NS records
A172.64.52.98🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.52.184🇺🇸 Cloudflare172.64.52.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
NSns2.value-domain.com ⚠️ Not in parent delegation
A172.64.53.3🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
A172.64.53.115🇺🇸 Cloudflare172.64.53.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
MXmail.letterbox.jp ⭐
A160.251.151.197🇯🇵 GMOOSK-NET160.251.151.0/24 GMO Internet,Inc Cerulean Tower, 11F Sakuragaokacho-26-1 Shibuya-ku, Tokyo 150-8512, Japan
PTRm2.xrea.com
TXTv=spf1 a:letterbox.jp ~all
SOAns1.value-domain.comhostmaster@letterbox.jp 2020-08-26 #23

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=1778647503

Subdomains

mail.letterbox.jp

Same first word

letterbox.nu
letterbox.be
letterbox.co.kr
letterbox.nl
letterbox.co.nz
letterbox.fr
letterbox.in
letterbox.eu
letterbox.ie
letterbox.it
letterbox.de
letterbox.net.au
letterbox.world
letterbox.us
letterbox.jp
letterbox.dk
letterbox.ca
letterbox.fi
letterbox.se
letterbox.mobi
letterbox.biz
letterbox.company
letterbox.ch
letterbox.at
letterbox.co
letterbox.info
letterbox.cz
letterbox.org
letterbox.com

Similar names

betterlox.com
beltextor.com
boxletter.net
boxletter.nl
beltextor.de
beltextor.eu
boxletter.com
lettrebox.com

DNS History

8 records (6 active, 2 former)

20162017201820192020202120222023202420252026NSns1.value-domain.comns11.value-domain.comns12.value-domain.comns13.value-domain.comns2.value-domain.comMXmail.letterbox.jpA150.95.8.191203.189.104.191
●NSns1.value-domain.com2015-05-22 → 2026-05-13 · 2 obs
● 2015-05-22 16:03:34
● 2026-05-13 05:08:26
●NSns11.value-domain.com2026-04-11 → 2026-05-13 · 3 obs
○ 2015-05-22 16:03:34
● 2026-04-11 01:45:22
● 2026-05-13 05:08:26
●NSns12.value-domain.com2026-04-11 → 2026-05-13 · 3 obs
○ 2015-05-22 16:03:34
● 2026-04-11 01:45:22
● 2026-05-13 05:08:26
●NSns13.value-domain.com2026-04-11 → 2026-05-13 · 3 obs
○ 2015-05-22 16:03:34
● 2026-04-11 01:45:22
● 2026-05-13 05:08:26
●NSns2.value-domain.com2015-05-22 → 2026-05-13 · 2 obs
● 2015-05-22 16:03:34
● 2026-05-13 05:08:26
●MXmail.letterbox.jp2015-05-22 → 2026-05-13 · 2 obs
● 2015-05-22 16:03:34
● 2026-05-13 05:08:26
○A150.95.8.1912017-04-08 → 2017-04-08 · 4 obs
○ 2016-07-27 11:19:14
● 2017-04-08 17:36:22
○ 2026-04-11 01:45:22
○ 2026-05-13 05:08:26
○A203.189.104.1912015-05-22 → 2016-07-27 · 4 obs
● 2015-05-22 16:03:34
● 2016-07-27 11:19:14
○ 2017-04-08 17:36:22
○ 2026-05-13 05:08:26

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpc.dns.jp, d.dns.jp, e.dns.jp, b.dns.jp...-
letterbox.jpns12.value-domain.com, ns13.value-domain.com, ns11.value-domain.com-

✅ Authoritative Response

Server:172.64.53.86

NS records: ns12.value-domain.com, ns13.value-domain.com, ns11.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for letterbox.jp (unsigned zone)

⏱️ Timing

Total: 956ms | Queries: -

📄 Records

TypeCountSample Data
NS2ns1.value-domain.com, ns2.value-domain.com
MX1mail.letterbox.jp (pri: 10)
TXT1v=spf1 a:letterbox.jp ~all
SOA1ns1.value-domain.com hostmaster.letterbo

Analysis

Hierarchy

The parent of mail.letterbox.jp is letterbox.jp.

Name Servers

letterbox.jp is delegated to five name servers: ns11.value-domain.com, ns12.value-domain.com, ns13.value-domain.com, ns1.value-domain.com and ns2.value-domain.com.

letterbox.jp at least partially shares name servers with other domains, for instance daishincreate.com, tokumasu.mobi, ai2x.com, b8p.jp and hitokuchiaiba.com.

These name servers are commonly used together with ns3.value-domain.com, ns4.value-domain.com and ns5.value-domain.com.

Two IP numbers per host name:

Host ns11.value-domain.com points to 172.64.52.98 and 172.64.52.184.

Host ns12.value-domain.com points to 172.64.53.86 and 172.64.53.188.

Host ns13.value-domain.com points to 172.64.52.98 and 172.64.52.184.

Host ns1.value-domain.com points to 172.64.52.38 and 172.64.52.161.

Host ns2.value-domain.com points to 172.64.53.3 and 172.64.53.115.

Hosts pointing to 172.64.52.98: ns11.value-domain.com and ns13.value-domain.com.

Hosts pointing to 172.64.52.184: ns11.value-domain.com and ns13.value-domain.com.

Mail Servers

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

mail.letterbox.jp points to a single IP: 160.251.151.197.