`blueriiver-eu.com`

DNSSEC	⚠️ Not signed
A	44.192.95.127^{🇺🇸 Amazon44.192.0.0/11 EC2 IAD prefix}
		PTR	`ec2-44-192-95-127.compute-1.amazonaws.com`
NS	`ns4.csof.net` ⭐
		A	52.20.19.77^{🇺🇸 Amazon52.20.0.0/14 EC2 IAD prefix}
			PTR	`ec2-52-20-19-77.compute-1.amazonaws.com`
NS	`ns1.csof.net`
		A	18.205.186.231^{🇺🇸 Amazon18.204.0.0/14 EC2 IAD prefix}
			PTR	`ec2-18-205-186-231.compute-1.amazonaws.com`
NS	`ns2.csof.net`
		A	23.21.178.27^{🇺🇸 Amazon23.20.0.0/15 EC2 IAD prefix}
			PTR	`ec2-23-21-178-27.compute-1.amazonaws.com`
NS	`ns3.csof.net`
		A	3.214.185.54^{🇺🇸 Amazon3.208.0.0/12 EC2 IAD prefix}
			PTR	`ec2-3-214-185-54.compute-1.amazonaws.com`
MX	`mx1.blueriiver-eu.com` ⭐
		A	46.4.12.146^{🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3}
			PTR	`static.146.12.4.46.clients.your-server.de`
MX	`mx2.blueriiver-eu.com` ⭐
		A	46.4.10.173^{🇩🇪 Hetzner46.4.0.0/16 HETZNER-RZ-FKS-BLK3}
			PTR	`static.173.10.4.46.clients.your-server.de`
TXT	`v=spf1 include:_incspfcheck.mailspike.net ?all`
SOA	`ns4.csof.net`hostmaster@blueriiver-eu.com serial=1777071260

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777069846

⚠️ On DNS blocklist: tif
🦠 Blackbook: Known malware/C&C domain

Subdomains

mx1.blueriiver-eu.com

mx2.blueriiver-eu.com

Same first word

blueriiver-eu.com

DNS History

8 records (7 active, 1 former)

●NSns1.csof.net2026-02-25 → 2026-04-24 · 2 obs

● 2026-02-25 10:54:22
● 2026-04-24 22:55:46

●NSns2.csof.net2026-02-25 → 2026-04-24 · 2 obs

● 2026-02-25 10:54:22
● 2026-04-24 22:55:46

●NSns3.csof.net2026-02-25 → 2026-04-24 · 2 obs

● 2026-02-25 10:54:22
● 2026-04-24 22:55:46

●NSns4.csof.net2026-02-25 → 2026-04-24 · 2 obs

● 2026-02-25 10:54:22
● 2026-04-24 22:55:46

●MXmx1.blueriiver-eu.com2026-02-25 → 2026-04-24 · 2 obs

● 2026-02-25 10:54:22
● 2026-04-24 22:55:46

●MXmx2.blueriiver-eu.com2026-02-25 → 2026-04-24 · 2 obs

● 2026-02-25 10:54:22
● 2026-04-24 22:55:46

○A18.206.193.2142026-02-25 → 2026-03-27 · 4 obs

● 2026-02-25 10:54:22
● 2026-03-27 21:49:36
○ 2026-04-14 05:30:46
○ 2026-04-24 22:55:46

●A44.192.95.1272026-04-14 → 2026-04-24 · 3 obs

○ 2026-03-27 21:49:36
● 2026-04-14 05:30:46
● 2026-04-24 22:55:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	i.gtld-servers.net, c.gtld-servers.net, l.gtld-servers.net, g.gtld-servers.net...	-
blueriiver-eu.com	ns1.csof.net, ns2.csof.net, ns4.csof.net, ns3.csof.net	-

✅ Authoritative Response

Server:52.20.19.77

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

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for blueriiver-eu.com (unsigned zone)

⏱️ Timing

Total: 334ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`44.192.95.127`
NS	4	`ns4.csof.net, ns2.csof.net...`
MX	2	`mx1.blueriiver-eu.com (pri: 10), mx2.blueriiver-eu.com (pri: 10)`
TXT	1	`v=spf1 include:_incspfcheck.mailspike.ne`
SOA	1	`ns4.csof.net hostmaster.blueriiver-eu.co`

Analysis

Hierarchy

blueriiver-eu.com is a parent of mx1.blueriiver-eu.com and mx2.blueriiver-eu.com.

IP Addresses

blueriiver-eu.com resolves to one IP number: 44.192.95.127.

other host names including 5ec29caeb532d6061b368eab72b0329f.com, www.e3f7a1a76031b279b9658dab41dca9d4.info, eredirected.xyz, b230770b644474948ebf441684aee4a3.info and fbb364839addc93ab6f6b159bc9753dd.com share IP numbers with blueriiver-eu.com.

Name Servers

blueriiver-eu.com is delegated to four name servers: ns1.csof.net, ns2.csof.net, ns3.csof.net and ns4.csof.net.

blueriiver-eu.com at least partially shares name servers with other domains, for instance 7c33c932a5334ae1e6c8d4ae6fea8c23.xyz, 5eb149c0.com, ce27e349bc10b6440b195bcace259cdf.com, provokordino.space and m-zip.info.

these name servers are often used together with ns5.csof.net, ns6.csof.net, ns7.csof.net and ns8.csof.net.

Host names with one IP number: ns1.csof.net points to 18.205.186.231; ns2.csof.net points to 23.21.178.27; ns3.csof.net points to 3.214.185.54; ns4.csof.net points to 52.20.19.77.

Mail Servers

Two mail servers handle blueriiver-eu.com: mx1.blueriiver-eu.com and mx2.blueriiver-eu.com.

Host names with one IP number:

mx1.blueriiver-eu.com points to 46.4.12.146

mx2.blueriiver-eu.com points to 46.4.10.173

blueriiver-eu.com - robtex.com