psi.net - robtex.com
psi.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 38.100.128.10🇩🇪 COGENT38.0.0.0/8 Cogent | ||||||
| PTR | cogentco.com | ||||||
| NS | auth1.dns.cogentco.com ⭐ | ||||||
| A | 2001:550:1:a::d🇺🇸 COGENT2001:550::/32 Cogent Communications | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| A | 66.28.0.14🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth1.dns.cogentco.com | ||||||
| NS | auth2.dns.cogentco.com | ||||||
| A | 2001:550:1:b::d🇺🇸 COGENT2001:550::/32 Cogent Communications | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| A | 66.28.0.30🇺🇸 COGENT66.28.0.0/16 Cogent | ||||||
| PTR | auth2.dns.cogentco.com | ||||||
| MX | mx1.cogentco.com ⭐ | ||||||
| A | 38.119.116.146🇺🇸 COGENT38.0.0.0/8 Cogent | ||||||
| PTR | mx1.cogentco.com | ||||||
| MX | mx2.cogentco.com ⭐ | ||||||
| A | 81.2.129.232🇩🇪 COGENT81.2.128.0/18 C.C.D. Cogent Communications Deutschland GmbH | ||||||
| PTR | mx2.cogentco.com | ||||||
| MX | mx3.cogentco.com ⭐ | ||||||
| A | 149.127.100.12🇺🇸 COGENT149.127.100.0/24 | ||||||
| PTR | mx3.cogentco.com | ||||||
| MX | mx4.cogentco.com ⭐ | ||||||
| A | 154.57.145.70🇳🇱 COGENT154.48.0.0/12 Cogent | ||||||
| PTR | mx4.cogentco.com | ||||||
| SOA | auth1.dns.cogentco.comdns@cogentco.com 2021-10-27 #1 | ||||||
net
| 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.netnstld@verisign-grs.com serial=1780412329 | ||||||
rank #22186 in the tld
WOT: SAFE (84/100)
📈 Tranco rank: #34,557
Subdomains
sproj.psi.net |
lu.psi.net |
it.psi.net |
jp.psi.net |
eu.psi.net |
ftp.psi.net |
fr.psi.net |
smtp.psi.net |
usdsa.psi.net |
support.psi.net |
hu.psi.net |
mail.psi.net |
x25.psi.net |
www.psi.net |
wp1.psi.net |
dns.psi.net |
uk.psi.net |
log.psi.net |
atlas.psi.net |
www1.psi.net |
ie.psi.net |
c.psi.net |
pop.psi.net |
wire.psi.net |
au.psi.net |
herndon.psi.net |
wp2.psi.net |
sc.psi.net |
ops.psi.net |
ns5.psi.net |
tds-fr1536k-gw.psi.net |
monitor.psi.net |
psimail2.psi.net |
ns2.psi.net |
nl.psi.net |
noc.psi.net |
psimail1.psi.net |
kr.psi.net |
ns.psi.net |
38-default-gw.psi.net |
Same first word
Similar names
DNS History
11 records (7 active, 4 former)
●NSauth1.dns.cogentco.com2015-09-03 → 2026-06-02 · 2 obs
● 2026-06-02 15:22:32
●NSauth2.dns.cogentco.com2015-09-03 → 2026-06-02 · 2 obs
● 2026-06-02 15:22:32
○NSauth4.dns.cogentco.com2015-09-03 → 2021-01-03 · 4 obs
● 2021-01-03 02:15:32
○ 2026-02-14 16:36:28
○ 2026-06-02 15:22:32
○NSauth5.dns.cogentco.com2015-09-03 → 2021-01-03 · 4 obs
● 2021-01-03 02:15:32
○ 2026-02-14 16:36:28
○ 2026-06-02 15:22:32
●MXmx1.cogentco.com2020-10-30 → 2026-06-02 · 3 obs
● 2020-10-30 06:35:54
● 2026-06-02 15:22:32
●MXmx2.cogentco.com2020-10-30 → 2026-06-02 · 3 obs
● 2020-10-30 06:35:54
● 2026-06-02 15:22:32
●MXmx3.cogentco.com2020-10-30 → 2026-06-02 · 3 obs
● 2020-10-30 06:35:54
● 2026-06-02 15:22:32
●MXmx4.cogentco.com2020-10-30 → 2026-06-02 · 3 obs
● 2020-10-30 06:35:54
● 2026-06-02 15:22:32
○MXserver1.mail.cogentco.com2015-09-03 → 2019-08-21 · 4 obs
● 2019-08-21 20:42:36
○ 2020-10-30 06:35:54
○ 2026-06-02 15:22:32
○MXserver2.mail.cogentco.com2015-09-03 → 2019-08-21 · 4 obs
● 2019-08-21 20:42:36
○ 2020-10-30 06:35:54
○ 2026-06-02 15:22:32
●A38.100.128.102015-09-03 → 2026-06-02 · 2 obs
● 2026-06-02 15:22:32
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| psi.net | auth1.dns.cogentco.com, auth2.dns.cogentco.com | - |
✅ Authoritative Response
Server:66.28.0.14
NS records: auth1.dns.cogentco.com, auth2.dns.cogentco.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for psi.net (unsigned zone)
⏱️ Timing
Total: 561ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 38.100.128.10 |
| NS | 2 | auth1.dns.cogentco.com, auth2.dns.cogentco.com |
| MX | 4 | mx1.cogentco.com (pri: 5), mx2.cogentco.com (pri: 5)... |
| SOA | 1 | auth1.dns.cogentco.com dns.cogentco.com |
Analysis
Hierarchy
The host names sproj.psi.net, lu.psi.net, it.psi.net, jp.psi.net and eu.psi.net — among a few others — fall under the parent domain psi.net.
IP Addresses
psi.net points to a single IP number: 38.100.128.10.
Additional host names — cogent.mobi, cable.net, cogent-sp.net and two others — share IP numbers with psi.net.
Name Servers
psi.net is served by two delegated name servers, auth1.dns.cogentco.com and auth2.dns.cogentco.com.
psi.net shares its name server setup with other domains, including datamatx.net, 3.65.38.in-addr.arpa, 63.99.38.in-addr.arpa and two others.
At least some of psi.net's name servers are shared with other domains, for example 9.115.209.in-addr.arpa, radio-kakadu.de, omdc.on.ca and two more.
These name servers are frequently used alongside ns1.vodafone-ip.de, ns2.vodafone-ip.de, nsa.ups.com and seven others.
Each of the two host names carries two IP addresses: auth1.dns.cogentco.com points to 66.28.0.14 and 2001:550:1:a::d, and auth2.dns.cogentco.com points to 66.28.0.30 and 2001:550:1:b::d.
Mail Servers
The MX records for psi.net list 4 mail servers: mx1.cogentco.com, mx2.cogentco.com, mx3.cogentco.com and mx4.cogentco.com.
At least a portion of psi.net's mail servers are shared with other domains, among them stoc.net and psi.com.
mx1.cogentco.com, mx2.cogentco.com, mx3.cogentco.com and mx4.cogentco.com each resolve to one IP address: mx1.cogentco.com resolves to 38.119.116.146, mx2.cogentco.com resolves to 81.2.129.232, mx3.cogentco.com resolves to 149.127.100.12 and mx4.cogentco.com resolves to 154.57.145.70.