mail.u4a.com - robtex.com

mail.u4a.com

DNSSEC⚠️ Not signed
A2a03:3c00:a002:177::1002🇳🇱 PREVIDER-AS2a03:3c00:8000::/34 NL-ANTAGONIST-20230327
A141.138.168.122🇳🇱 PREVIDER-AS141.138.168.0/22 NL-ANTAGONIST-20090921 Antagonist B.V., Enschede, NL

u4a.com

DNSSEC🔒 Signed (DS record present)
A2a03:3c00:a002:177::1002🇳🇱 PREVIDER-AS2a03:3c00:8000::/34 NL-ANTAGONIST-20230327
A141.138.168.122🇳🇱 PREVIDER-AS141.138.168.0/22 NL-ANTAGONIST-20090921 Antagonist B.V., Enschede, NL
NSwebhostingserver.g1-dns.one ⭐
NSwebhostingserver.g1-dns.com
MXmail.u4a.com ⭐
TXTv=spf1 a mx include:_spf.webhostingserver.nl ~all
SOAwebhostingserver.g1-dns.onehostmaster@webhostingserver.nl 2026-04-17 #1

MX for

u4a.com

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DNS History

2 records (2 active, 0 former)

2017201820192020202120222023202420252026A141.138.168.1222a03:3c00:a002:177::1002
●A141.138.168.1222016-03-25 → 2026-08-11 · 2 obs
● 2016-03-25 07:29:44
● 2026-08-11 09:03:14
●A2a03:3c00:a002:177::10022026-03-10 → 2026-08-11 · 3 obs
○ 2016-03-25 07:29:44
● 2026-03-10 11:52:58
● 2026-08-11 09:03:14

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
come.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net, k.gtld-servers.net...-
u4a.comwebhostingserver.g1-dns.com, webhostingserver.g1-dns.one2 records

✅ Authoritative Response

Server:185.10.11.15

NS records: webhostingserver.g1-dns.com, webhostingserver.g1-dns.one

🔒 DNSSEC Status

🔐 Secure (DNSSEC validated)

Chain of trust verified from root to domain

⏱️ Timing

Total: 1343ms | Queries: -

📄 Records

TypeCountSample Data
A1141.138.168.122
AAAA12a03:3c00:a002:177::1002

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (webhostingserver.g1-dns.com, webhostingserver.g1-dns.com)

Analysis

Mail Server Role

mail.u4a.com is a mail server for u4a.com.

IP Addresses

mail.u4a.com resolves to the IP addresses 141.138.168.122 and 2a03:3c00:a002:177::1002

Among the host names that share IP numbers with mail.u4a.com are moood.nl, mail.3gk.com, mail.groetenuitede.nl and two others.