networkphysics.eu - dns.ninja

`networkphysics.eu`

DNSSEC	⚠️ Not signed
A	192.104.65.24
NS	`dns-01.riverbed.com` ⭐
		A	2600:9000:5303:ec00::1^{🇺🇸 Amazon2600:9000:5303::/48 - CloudFront}
			PTR	`ns-1004.awsdns-61.net`
		A	205.251.195.236^{🇺🇸 Amazon205.251.195.0/24 prefix}
			PTR	`ns-1004.awsdns-61.net`
NS	`dns-02.riverbed.com`
		A	2600:9000:5304:e900::1^{🇺🇸 Amazon2600:9000:5304::/48 - CloudFront}
			PTR	`ns-1257.awsdns-29.org`
		A	205.251.196.233^{🇺🇸 Amazon205.251.196.0/24 prefix}
			PTR	`ns-1257.awsdns-29.org`
NS	`dns-03.riverbed.com`
		A	2600:9000:5301:a300::1^{🇺🇸 Amazon2600:9000:5301::/48 - CloudFront}
			PTR	`ns-419.awsdns-52.com`
		A	205.251.193.163^{🇺🇸 Amazon205.251.193.0/24 prefix}
			PTR	`ns-419.awsdns-52.com`
NS	`dns-04.riverbed.com`
		A	2600:9000:5306:5100::1^{🇺🇸 Amazon2600:9000:5306::/48 - CloudFront}
			PTR	`ns-1617.awsdns-10.co.uk`
		A	205.251.198.81^{🇺🇸 Amazon205.251.198.0/24 prefix}
			PTR	`ns-1617.awsdns-10.co.uk`
MX	`barracuda.opnet.com` ⭐
		A	192.104.65.22
MX	`barracuda2.opnet.com` ⭐
		A	192.104.65.21
MX	`barracuda3.opnet.com` ⭐
		A	69.25.34.4^{🇺🇸 AS1091369.25.32.0/20 PNAP-WDC}
TXT	`v=spf1 -all`
SOA	`dns-01.riverbed.com`hostmaster@riverbed.com serial=1667

`eu`

	DNSSEC	🔒 Signed (DS record present)
	NS	`si.dns.eu` ⭐
	NS	`be.dns.eu`
	NS	`w.dns.eu`
	NS	`x.dns.eu`
	NS	`y.dns.eu`
	SOA	`si.dns.eu`tech@eurid.eu serial=1125793646

Same first word

networkphysics.eu

DNS History

12 records (8 active, 4 former)

●NSdns-01.riverbed.com2026-04-14 → 2026-07-04 · 3 obs

○ 2020-02-29 05:37:52
● 2026-04-14 10:35:58
● 2026-07-04 17:20:36

●NSdns-02.riverbed.com2026-04-14 → 2026-07-04 · 3 obs

○ 2020-02-29 05:37:52
● 2026-04-14 10:35:58
● 2026-07-04 17:20:36

●NSdns-03.riverbed.com2026-04-14 → 2026-07-04 · 3 obs

○ 2020-02-29 05:37:52
● 2026-04-14 10:35:58
● 2026-07-04 17:20:36

●NSdns-04.riverbed.com2026-04-14 → 2026-07-04 · 3 obs

○ 2020-02-29 05:37:52
● 2026-04-14 10:35:58
● 2026-07-04 17:20:36

○NSns1.riverbed.com2017-03-28 → 2020-02-29 · 4 obs

● 2017-03-28 16:38:22
● 2020-02-29 05:37:52
○ 2026-04-14 10:35:58
○ 2026-07-04 17:20:36

○NSns2.riverbed.com2017-03-28 → 2020-02-29 · 4 obs

● 2017-03-28 16:38:22
● 2020-02-29 05:37:52
○ 2026-04-14 10:35:58
○ 2026-07-04 17:20:36

○NSns3.riverbed.com2017-03-28 → 2020-02-29 · 4 obs

● 2017-03-28 16:38:22
● 2020-02-29 05:37:52
○ 2026-04-14 10:35:58
○ 2026-07-04 17:20:36

○NSns4.riverbed.com2017-03-28 → 2020-02-29 · 4 obs

● 2017-03-28 16:38:22
● 2020-02-29 05:37:52
○ 2026-04-14 10:35:58
○ 2026-07-04 17:20:36

●MXbarracuda.opnet.com2017-03-28 → 2026-07-04 · 2 obs

● 2017-03-28 16:38:22
● 2026-07-04 17:20:36

●MXbarracuda2.opnet.com2017-03-28 → 2026-07-04 · 2 obs

● 2017-03-28 16:38:22
● 2026-07-04 17:20:36

●MXbarracuda3.opnet.com2017-03-28 → 2026-07-04 · 2 obs

● 2017-03-28 16:38:22
● 2026-07-04 17:20:36

●A192.104.65.242017-03-28 → 2026-07-04 · 2 obs

● 2017-03-28 16:38:22
● 2026-07-04 17:20:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
eu	x.dns.eu, w.dns.eu, y.dns.eu, be.dns.eu...	-
networkphysics.eu	dns-03.riverbed.com, dns-01.riverbed.com, dns-02.riverbed.com, dns-04.riverbed.com	-

✅ Authoritative Response

Server:205.251.193.163

NS records: dns-03.riverbed.com, dns-01.riverbed.com, dns-02.riverbed.com, dns-04.riverbed.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for networkphysics.eu (unsigned zone)

⏱️ Timing

Total: 2541ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.104.65.24`
NS	4	`dns-01.riverbed.com, dns-02.riverbed.com...`
MX	3	`barracuda.opnet.com (pri: 100), barracuda2.opnet.com (pri: 100)...`
TXT	1	`v=spf1 -all`
SOA	1	`dns-01.riverbed.com hostmaster.riverbed.`

Analysis

IP Addresses

networkphysics.eu directs to one IP number, which is 192.104.65.24.

Name Servers

The domain networkphysics.eu is delegated to these four name servers: dns-01.riverbed.com, dns-02.riverbed.com, dns-03.riverbed.com and dns-04.riverbed.com.

The name servers of networkphysics.eu overlap at least partially with those of other domains — among them cloudvaultmybackup.net, opnet.com, rueverywhere.com and two more.

Each of the four hosts dns-01.riverbed.com, dns-02.riverbed.com, dns-03.riverbed.com and dns-04.riverbed.com has two IP addresses. dns-01.riverbed.com points to 205.251.195.236 and 2600:9000:5303:ec00::1. dns-02.riverbed.com points to 205.251.196.233 and 2600:9000:5304:e900::1. dns-03.riverbed.com points to 205.251.193.163 and 2600:9000:5301:a300::1. dns-04.riverbed.com points to 205.251.198.81 and 2600:9000:5306:5100::1.

Mail Servers

Mail for networkphysics.eu is routed through three mail servers — barracuda2.opnet.com, barracuda3.opnet.com and barracuda.opnet.com.

networkphysics.eu partially shares its mail servers with other domains — including securedopnet.com, smtp-hq2.opnet.com, lists.opnet.com and mail-bu.opnet.com.

Each of the three hostnames points to exactly one IP address: barracuda2.opnet.com points to 192.104.65.21, barracuda3.opnet.com points to 69.25.34.4 and barracuda.opnet.com points to 192.104.65.22.