🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`mail.codalab.com.ar`

DNSSEC	⚠️ Not signed
A	3.140.158.15^{🇺🇸 Amazon3.136.0.0/13}
		PTR	`cpanel156.wnpservers.net`

`codalab.com.ar`

	DNSSEC	⚠️ Not signed
	A	3.140.158.15^{🇺🇸 Amazon3.136.0.0/13}
	NS	`ns1.aliasdns.net` ⭐
	NS	`ns2.aliasdns.net`
	NS	`ns3.aliasdns.net`
	NS	`ns4.aliasdns.net`
	MX	`mail.codalab.com.ar` ⭐
	MX	`mxbackup.wnpower.com`⁽¹⁰⁰⁰⁾
	TXT	`v=spf1 +a +mx +ip4:3.140.158.15 include:_spf.wnpservers.net ~all`
	SOA	`ns1.aliasdns.net`dedicadoswnp@wnpower.com 2026-09-07 #1

MX for

codalab.com.ar

Same first word

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Previous names

Next names

DNS History

1 record (1 active, 0 former)

●A3.140.158.152026-09-20 → 2026-10-18 · 2 obs

● 2026-09-20 23:51:26
● 2026-10-18 04:39:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
ar	d.dns.ar, f.dns.ar, a.lactld.org, c.dns.ar...	10 records
codalab.com.ar	ns2.aliasdns.net, ns4.aliasdns.net, ns1.aliasdns.net, ns3.aliasdns.net	-

✅ Authoritative Response

Server:74.208.127.141

NS records: ns2.aliasdns.net, ns4.aliasdns.net, ns1.aliasdns.net, ns3.aliasdns.net

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)

⏱️ Timing

Total: 1875ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`3.140.158.15`

📌 Glue Records Collected

Total: 10

In-bailiwick: 8 (d.dns.ar, d.dns.ar, f.dns.ar...)

Out-of-bailiwick: 2 (a.lactld.org, a.lactld.org)

Analysis

Mail Server Role

The mail server mail.codalab.com.ar processes email for codalab.com.ar.

mxbackup.wnpower.com routinely functions as a mail server together with mail.codalab.com.ar.

IP Addresses

mail.codalab.com.ar resolves to just one IP address, 3.140.158.15.

mail.codalab.com.ar - robtex.com