`mail.riverweb.com.br`

DNSSEC	⚠️ Not signed
A	177.53.140.163^{🇧🇷 AS53243177.53.140.0/24 This route object is for a UPX Technologies customer route, which is being exported under this origin AS. This route object was created because no existing route object with the same origin was found, and since some UPX peers filter based on these objects this route may be rejected if this object is not created. Please contact noc@upx.com.br if you have any questions regarding this object.}
		PTR	`host140-163.viabrs.com.br`

`riverweb.com.br`

	DNSSEC	⚠️ Not signed
	A	177.53.140.163^{🇧🇷 AS53243177.53.140.0/24 This route object is for a UPX Technologies customer route, which is being exported under this origin AS. This route object was created because no existing route object with the same origin was found, and since some UPX peers filter based on these objects this route may be rejected if this object is not created. Please contact noc@upx.com.br if you have any questions regarding this object.}
	NS	`jupiter.server-aw.com.br` ⭐ ⚠️ Not in parent delegation
	NS	`europa.privatedns.com.br` ⚠️ Not in parent delegation
	NS	`ns1.riverweb.com.br` ⚠️ Not in zone NS records
	NS	`ns2.riverweb.com.br` ⚠️ Not in zone NS records
	MX	`mail.riverweb.com.br` ⭐
	TXT	`v=spf1 a mx ip4:177.53.140.163 ~all`
	SOA	`jupiter.server-aw.com.br`hostmaster@riverweb.com.br 2026-03-19 #3

MX for

riverweb.com.br

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DNS History

1 record (1 active, 0 former)

●A177.53.140.1632026-02-25 → 2026-04-12 · 2 obs

● 2026-02-25 20:24:22
● 2026-04-12 13:29:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
br	f.dns.br, d.dns.br, b.dns.br, a.dns.br...	-
riverweb.com.br	ns1.riverweb.com.br, ns2.riverweb.com.br	2 records

✅ Authoritative Response

Server:198.27.70.210

NS records: ns1.riverweb.com.br, ns2.riverweb.com.br

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for riverweb.com.br (unsigned zone)

⏱️ Timing

Total: 437ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`177.53.140.163`

📌 Glue Records Collected

Total: 2

In-bailiwick: 2 (ns1.riverweb.com.br, ns2.riverweb.com.br)

Analysis

Mail Server Role

mail.riverweb.com.br functions as a mail server for riverweb.com.br.

IP Addresses

mail.riverweb.com.br points to IP number: 177.53.140.163.

Other host names such as riverweb.com.br, cantinadozuza.com.br, cetecap.com.br, chavecodificada24hs.com and ns2.eduardomagno.com.br share IPs with mail.riverweb.com.br.

mail.riverweb.com.br - robtex.com