mail.net4u.org - robtex.com

mail.net4u.org

DNSSEC⚠️ Not signed
A202.172.28.166🇯🇵 DRNET202.172.24.0/21
PTRs165.coreserver.jp

net4u.org

DNSSEC⚠️ Not signed
A162.43.112.7🇯🇵 XSERVER-AS162.43.112.0/21 XSERVER Inc.
NSns1.value-domain.com ⭐
NSns2.value-domain.com
NSns3.value-domain.com ⚠️ Not in zone NS records
NSns4.value-domain.com ⚠️ Not in zone NS records
MXmail.net4u.org ⭐
TXTv=spf1 include:sv.net4u.jp ~all
TXTv=spf1 include:_spf.google.com ~all
TXTv=spf1 include:sv2.net4u.jp ~all
TXTv=spf1 mx ~all
SOAns1.value-domain.comhostmaster@net4u.org 2021-11-10 #10
rank #97143 globally
rank #8502 in the tld
📈 Tranco rank: #337,805

MX for

net4u.org

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DNS History

1 record (1 active, 0 former)

20162017201820192020202120222023202420252026A202.172.28.166
●A202.172.28.1662015-05-20 → 2026-04-14 · 2 obs
● 2015-05-20 19:00:24
● 2026-04-14 06:34:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, d0.org.afilias-nst.org, b2.org.afilias-nst.org-
net4u.orgns2.value-domain.com, ns4.value-domain.com, ns3.value-domain.com, ns1.value-domain.com-

✅ Authoritative Response

Server:172.64.53.115

NS records: ns2.value-domain.com, ns4.value-domain.com, ns3.value-domain.com, ns1.value-domain.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for net4u.org (unsigned zone)

⏱️ Timing

Total: 772ms | Queries: -

📄 Records

TypeCountSample Data
A1202.172.28.166

Analysis

Mail Server Role

mail.net4u.org serves as the mail server for net4u.org.

IP Addresses

mail.net4u.org points to IP number 202.172.28.166.

For instance, other host names workvisions.co.jp, sharestation.jp, odc-os.com, kanzae.net and it-one.info share IP numbers with mail.net4u.org.