letsencrypt.jp - dns.ninja

letsencrypt.jp

DNSSEC⚠️ Not signed
NSowen.ns.cloudflare.com ⭐
A2606:4700:58::adf5:3bdb🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRowen.ns.cloudflare.com
A2803:f800:50::6ca2:c1db🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRowen.ns.cloudflare.com
A2a06:98c1:50::ac40:21db🇺🇸 Cloudflare2a06:98c1:50::/45
PTRowen.ns.cloudflare.com
A108.162.193.219🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRowen.ns.cloudflare.com
A172.64.33.219🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRowen.ns.cloudflare.com
A173.245.59.219🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRowen.ns.cloudflare.com
NSvera.ns.cloudflare.com
A2606:4700:50::adf5:3a93🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvera.ns.cloudflare.com
A2803:f800:50::6ca2:c093🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRvera.ns.cloudflare.com
A2a06:98c1:50::ac40:2093🇺🇸 Cloudflare2a06:98c1:50::/45
PTRvera.ns.cloudflare.com
A108.162.192.147🇺🇸 Cloudflare108.162.192.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvera.ns.cloudflare.com
A172.64.32.147🇺🇸 Cloudflare172.64.32.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvera.ns.cloudflare.com
A173.245.58.147🇺🇸 Cloudflare173.245.58.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRvera.ns.cloudflare.com
TXTca3-ece972f7fb1a45adbf43d91e3ded8d30
TXTv=spf1 -all
SOAowen.ns.cloudflare.comdns@cloudflare.com serial=2406243052

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=1785268803
rank #729924 globally
rank #14642 in the tld

Same first word

letsencrypt.io
letsencrypt.eu.com
letsencrypt.s3.amazonaws.com
letsencrypt.email
letsencrypt.de
letsencrypt.net
letsencrypt.org
letsencrypt.cc
letsencrypt.com.au
letsencrypt.jp
letsencrypt.us
letsencrypt.online
letsencrypt.com

DNS History

13 records (2 active, 11 former)

2017201820192020202120222023202420252026NSowen.ns.cloudflare.comvera.ns.cloudflare.commaster.dns.ne.jpns1.dns.ne.jpns1.instradns.comns2.dns.ne.jpns2.instradns.comns3.instradns.comMX.mail.letsencrypt.jpmx1.letsencrypt.jpA160.16.91.41198.50.252.65
○NSmaster.dns.ne.jp2016-12-05 → 2018-03-12 · 4 obs
● 2016-12-05 00:46:04
● 2018-03-12 10:13:54
○ 2020-02-03 14:21:24
○ 2026-07-28 20:04:16
○NSns1.dns.ne.jp2016-12-05 → 2018-03-12 · 4 obs
● 2016-12-05 00:46:04
● 2018-03-12 10:13:54
○ 2020-02-03 14:21:24
○ 2026-07-28 20:04:16
○NSns1.instradns.com2020-02-03 → 2020-02-17 · 5 obs
○ 2018-03-12 10:13:54
● 2020-02-03 14:21:24
● 2020-02-17 19:56:50
○ 2026-03-19 03:56:26
○ 2026-07-28 20:04:16
○NSns2.dns.ne.jp2016-12-05 → 2018-03-12 · 4 obs
● 2016-12-05 00:46:04
● 2018-03-12 10:13:54
○ 2020-02-03 14:21:24
○ 2026-07-28 20:04:16
○NSns2.instradns.com2020-02-03 → 2020-02-17 · 5 obs
○ 2018-03-12 10:13:54
● 2020-02-03 14:21:24
● 2020-02-17 19:56:50
○ 2026-03-19 03:56:26
○ 2026-07-28 20:04:16
○NSns3.instradns.com2020-02-03 → 2020-02-17 · 5 obs
○ 2018-03-12 10:13:54
● 2020-02-03 14:21:24
● 2020-02-17 19:56:50
○ 2026-03-19 03:56:26
○ 2026-07-28 20:04:16
●NSowen.ns.cloudflare.com2026-03-19 → 2026-07-28 · 3 obs
○ 2020-02-17 19:56:50
● 2026-03-19 03:56:26
● 2026-07-28 20:04:16
●NSvera.ns.cloudflare.com2026-03-19 → 2026-07-28 · 3 obs
○ 2020-02-17 19:56:50
● 2026-03-19 03:56:26
● 2026-07-28 20:04:16
○MX.2026-03-19 → 2026-07-28 · 2 obs
○ 2026-03-19 03:56:26
○ 2026-07-28 20:04:16
○MXmail.letsencrypt.jp2020-02-03 → 2020-02-17 · 5 obs
○ 2018-03-12 10:13:54
● 2020-02-03 14:21:24
● 2020-02-17 19:56:50
○ 2026-03-19 03:56:26
○ 2026-07-28 20:04:16
○MXmx1.letsencrypt.jp2016-12-05 → 2018-03-12 · 4 obs
● 2016-12-05 00:46:04
● 2018-03-12 10:13:54
○ 2020-02-03 14:21:24
○ 2026-07-28 20:04:16
○A160.16.91.412016-12-05 → 2018-03-12 · 4 obs
● 2016-12-05 00:46:04
● 2018-03-12 10:13:54
○ 2020-02-03 14:21:24
○ 2026-07-28 20:04:16
○A198.50.252.652020-02-03 → 2020-02-17 · 5 obs
○ 2018-03-12 10:13:54
● 2020-02-03 14:21:24
● 2020-02-17 19:56:50
○ 2026-03-19 03:56:26
○ 2026-07-28 20:04:16

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpa.dns.jp, b.dns.jp, c.dns.jp, d.dns.jp...-
letsencrypt.jpowen.ns.cloudflare.com, vera.ns.cloudflare.com-

✅ Authoritative Response

Server:173.245.58.147

NS records: owen.ns.cloudflare.com, vera.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for letsencrypt.jp (unsigned zone)

⏱️ Timing

Total: 670ms | Queries: -

📄 Records

TypeCountSample Data
NS2owen.ns.cloudflare.com, vera.ns.cloudflare.com
MX1. (pri: 0)
TXT2ca3-ece972f7fb1a45adbf43d91e3ded8d30, v=spf1 -all
SOA1owen.ns.cloudflare.com dns.cloudflare.co

Analysis

Name Servers

letsencrypt.jp has two authoritative name servers — owen.ns.cloudflare.com and vera.ns.cloudflare.com.

letsencrypt.jp shares its NS records with other domains, for example asistentecomercial.com, associationland.com, letsencrypt.com and two others.

There is at least partial name server overlap between letsencrypt.jp and other domains — aceplay99.com, beta-play.cc, sin-kun.com and two more among them.

The name servers ken.ns.cloudflare.com, mckinley.ns.cloudflare.com and sima.ns.cloudflare.com are often found in combination with these name servers.

DNS names with 6 IP addresses:

owen.ns.cloudflare.com points to 108.162.193.219, 172.64.33.219, 173.245.59.219 and 3 other IP addresses.

vera.ns.cloudflare.com points to 108.162.192.147, 172.64.32.147, 173.245.58.147 and 3 other IP addresses.