`mailcow.refreshbubbles.com`

DNSSEC	⚠️ Not signed
A	2a01:4f9:c012:bb21::1^{🇩🇪 Hetzner2a01:4f9::/32 HETZNER-IPv6-BLK}
		PTR	`mailcow.refreshbubbles.com`
A	204.168.170.234

`refreshbubbles.com`

	DNSSEC	⚠️ Not signed
	A	176.61.151.37^{🇵🇹 Flesk-AS176.61.144.0/21 Dominios}
	NS	`ns1.refreshbubbles.com` ⭐
	NS	`ns2.refreshbubbles.com`
	MX	`refreshbubbles-com.mail.protection.outlook.com` ⭐
	TXT	`asv=f2c3b1c612d4b6d562f9acf033a92925`
	TXT	`v=spf1 redirect=d386759.spf.dns.ks0.cx`
	SOA	`ns1.refreshbubbles.com`managed_alerts@dominios.pt 2026-07-11 #1

📈 Tranco rank: #536,322

PTR for

234.170.168.204.in-addr.arpa

1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1.2.b.b.2.1.0.c.9.f.4.0.1.0.a.2.ip6.arpa

MX for

rbi.pt

Same first word

mailcow.xyz

mailcow.co.ua

mailcow.com

mailcow.email

mailcow.de

mailcow.eu

mailcow.net

mailcow.pro

Similar names

cowmail.com

cowmail.store

wilmaco.net

lawicom.com

alwicom.ch

cowmail.org

ocmilaw.com

wimcola.com

cwomail.com

liwacom.de

alwicom.de

cowmail.eu

alicowm.co.uk

liwacom.com

alwicom.com

alwicom.net

wilmaco.com

micolaw.com

alicowm.it

alicowm.es

wilmaco.ma

cowmail.net

cowmail.nl

comilaw.com

wolcaim.com

imcolaw.com

liwomac.com

alicowm.com

alicowm.de

DNS History

2 records (2 active, 0 former)

●A204.168.170.2342026-06-17 → 2026-07-15 · 2 obs

● 2026-06-17 13:54:58
● 2026-07-15 04:53:34

●A2a01:4f9:c012:bb21::12026-06-17 → 2026-07-15 · 2 obs

● 2026-06-17 13:54:58
● 2026-07-15 04:53:34

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
refreshbubbles.com	ns1.refreshbubbles.com, ns2.refreshbubbles.com	2 records

✅ Authoritative Response

Server:176.61.151.38

NS records: ns1.refreshbubbles.com, ns2.refreshbubbles.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for refreshbubbles.com (unsigned zone)

⏱️ Timing

Total: 511ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`204.168.170.234`
AAAA	1	`2a01:4f9:c012:bb21::1`

📌 Glue Records Collected

Total: 2

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

Analysis

Mail Server Role

Mail for rbi.pt is routed through the mail server mailcow.refreshbubbles.com.

IP Addresses

mailcow.refreshbubbles.com resolves to the IP addresses 204.168.170.234 and 2a01:4f9:c012:bb21::1

mailcow.refreshbubbles.com - robtex.com