mail.pc-ent.jp - robtex.com

mail.pc-ent.jp

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:95e0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5806🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.88.6Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.149.224🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.88.6, 172.67.149.224
IPv6 hints2606:4700:3034::ac43:95e0, 2606:4700:3037::6815:5806
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=91, name=cloudflare-ech.com

pc-ent.jp

DNSSEC⚠️ Not signed
A2606:4700:3034::ac43:95e0🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700:3037::6815:5806🇺🇸 Cloudflare2606:4700:3037::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.21.88.6Cloudflare104.21.80.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A172.67.149.224🇺🇸 Cloudflare172.67.144.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSbella.ns.cloudflare.com ⭐
NSskip.ns.cloudflare.com
HTTPSHTTP/3, HTTP/2 ✓ hints match
IPv4 hints104.21.88.6, 172.67.149.224
IPv6 hints2606:4700:3034::ac43:95e0, 2606:4700:3037::6815:5806
ECHX25519, HKDF-SHA256 + AES-128-GCM draft, id=91, name=cloudflare-ech.com
SOAbella.ns.cloudflare.comdns@cloudflare.com serial=2403412018

Previously MX for

pc-ent.jp

Same first word

mail.kikirara.jp
mail.mydns.jp
mail.hr
mail.gov.tn
mail.pb.gov.br
mail.oops.jp
mail.(0x7075737379)cat.jp
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mail.virtualuser.de
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mail.ilovecollege.info
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mail.net.mk
mail.rj.gov.br
mail.freedesktop.org
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mail.vacations
mail.my
mail.gov.mz

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almi.su
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DNS History

9 records (4 active, 5 former)

20162017201820192020202120222023202420252026A104.21.88.6172.67.149.2242606:4700:3034::ac43:95e02606:4700:3037::6815:5806188.114.96.0188.114.97.0222.158.236.2472a06:98c1:3120::2a06:98c1:3121::
●A104.21.88.62026-05-06 → 2026-05-11 · 3 obs
○ 2016-12-19 13:07:22
● 2026-05-06 14:59:04
● 2026-05-11 02:51:10
●A172.67.149.2242026-05-06 → 2026-05-11 · 3 obs
○ 2016-12-19 13:07:22
● 2026-05-06 14:59:04
● 2026-05-11 02:51:10
○A188.114.96.02026-05-06 → 2026-05-11 · 2 obs
○ 2026-05-06 14:59:04
○ 2026-05-11 02:51:10
○A188.114.97.02026-05-06 → 2026-05-11 · 2 obs
○ 2026-05-06 14:59:04
○ 2026-05-11 02:51:10
○A222.158.236.2472015-06-30 → 2016-12-19 · 4 obs
● 2015-06-30 21:11:44
● 2016-12-19 13:07:22
○ 2026-05-06 14:59:04
○ 2026-05-11 02:51:10
●A2606:4700:3034::ac43:95e02026-05-06 → 2026-05-11 · 3 obs
○ 2016-12-19 13:07:22
● 2026-05-06 14:59:04
● 2026-05-11 02:51:10
●A2606:4700:3037::6815:58062026-05-06 → 2026-05-11 · 3 obs
○ 2016-12-19 13:07:22
● 2026-05-06 14:59:04
● 2026-05-11 02:51:10
○A2a06:98c1:3120::2026-05-06 → 2026-05-11 · 2 obs
○ 2026-05-06 14:59:04
○ 2026-05-11 02:51:10
○A2a06:98c1:3121::2026-05-06 → 2026-05-11 · 2 obs
○ 2026-05-06 14:59:04
○ 2026-05-11 02:51:10

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
jpc.dns.jp, e.dns.jp, b.dns.jp, h.dns.jp...-
pc-ent.jpbella.ns.cloudflare.com, skip.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.33.233

NS records: bella.ns.cloudflare.com, skip.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for pc-ent.jp (unsigned zone)

⏱️ Timing

Total: 380ms | Queries: -

📄 Records

TypeCountSample Data
A2104.21.88.6, 172.67.149.224
AAAA22606:4700:3037::6815:5806, 2606:4700:3034::ac43:95e0
HTTPS1{"priority":1,"target":".","alpn":["h3",

Analysis

IP Addresses

mail.pc-ent.jp resolves to four IP numbers: 2606:4700:3034::ac43:95e0, 2606:4700:3037::6815:5806, 104.21.88.6 and 172.67.149.224.

Other host names such as qualmark.com, stratophase.com, wenchcams.com, rachayok.com and biklo.hu share IPs with mail.pc-ent.jp.