plex.co - dns.ninja
plex.co
| DNSSEC | ⚠️ Not signed | ||||||
| A | 213.129.193.15🇳🇱 PLEX213.129.192.0/19 Plex Elektronische Informatie BV | ||||||
| PTR | redirect.plex.nl | ||||||
| NS | ns.plex.net ⭐ | ||||||
| A | 213.129.195.53🇳🇱 PLEX213.129.192.0/19 Plex Elektronische Informatie BV | ||||||
| PTR | ns.plex.net | ||||||
| NS | ns.fall-back.net | ||||||
| A | 213.129.194.173🇳🇱 PLEX213.129.192.0/19 Plex Elektronische Informatie BV | ||||||
| PTR | ns.fall-back.net | ||||||
| MX | per.plex.net ⭐ | ||||||
| A | 213.129.213.134🇳🇱 PLEX213.129.192.0/19 Plex Elektronische Informatie BV | ||||||
| PTR | per.plex.net | ||||||
| MX | mx.fall-back.net(100) | ||||||
| A | 213.129.194.170🇳🇱 PLEX213.129.192.0/19 Plex Elektronische Informatie BV | ||||||
| PTR | mx.fall-back.net | ||||||
| TXT | v=spf1 redirect=spfm.plex.net | ||||||
| SOA | ns.plex.nethostmaster@plex.nl serial=125082701 | ||||||
co
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | a.registrydns.co | ||||||
| NS | b.registrydns.co | ||||||
| NS | c.registrydns.co | ||||||
| NS | d.registrydns.co | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1759695074 | ||||||
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns.fall-back.net2015-07-20 → 2026-07-01 · 2 obs
● 2026-07-01 16:34:02
●MXmx.fall-back.net2015-07-20 → 2026-07-01 · 2 obs
● 2026-07-01 16:34:02
●A213.129.193.152015-07-20 → 2026-07-01 · 2 obs
● 2026-07-01 16:34:02
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| co | a.registrydns.co, b.registrydns.co, c.registrydns.co, d.registrydns.co | - |
| plex.co | ns.plex.net, ns.fall-back.net | - |
✅ Authoritative Response
Server:213.129.194.173
NS records: ns.plex.net, ns.fall-back.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for plex.co (unsigned zone)
⏱️ Timing
Total: 1171ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 213.129.193.15 |
| NS | 2 | ns.fall-back.net, ns.plex.net |
| MX | 2 | mx.fall-back.net (pri: 100), per.plex.net (pri: 50) |
| TXT | 1 | v=spf1 redirect=spfm.plex.net |
| SOA | 1 | ns.plex.net hostmaster.plex.nl |
Analysis
IP Addresses
plex.co points to a single IP number: 213.129.193.15.
Additional host names — plekx.nl, redirect.plex.nl, vrij.net and two others — share IP numbers with plex.co.
Name Servers
DNS delegation for plex.co points to two name servers: ns.fall-back.net and ns.plex.net.
plex.co shares its name server setup with other domains, including 197.129.213.in-addr.arpa, reell.nl, 195.129.213.in-addr.arpa and two others.
ns.fall-back.net → 213.129.194.173 and ns.plex.net → 213.129.195.53: one IP number per host name.
Mail Servers
plex.co has two mail servers: mx.fall-back.net and per.plex.net.
plex.co shares the same mail server setup as other domains, including plexs.nl, pleks.nl, plexhost.nl and two others.
plex.co shares mail servers — at least in part — with other domains, including posthier.nl, reval.nl, ewals.net and two others.
These mail servers are routinely seen in conjunction with the mail servers mx150.fall-back.net and in.grijzemail.net.
mx.fall-back.net → 213.129.194.170 and per.plex.net → 213.129.213.134: one IP number per host name.