criticalserver11.net - robtex.com
criticalserver11.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 45.63.104.72🇺🇸 AS-VULTR45.63.104.0/21 Vultr Assigned Prefix | ||||||
| PTR | espacios.criticalserver.net | ||||||
| NS | ns1.systemdns.com ⭐ | ||||||
| A | 2604:4000:0:d:216:40:47:90🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns1.systemdns.com | ||||||
| A | 216.40.47.90🇨🇦 TUCOWS216.40.47.0/24 -BRA-BLK1.4/NET-216-40-47-0 | ||||||
| PTR | ns1.systemdns.com | ||||||
| NS | ns2.systemdns.com | ||||||
| A | 2604:4000:2800:d:64:99:148:16🇨🇦 TUCOWS-32604:4000:2800::/37 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| A | 64.98.148.16🇨🇦 TUCOWS-364.98.144.0/20 Tucows.com Co. | ||||||
| PTR | ns2.systemdns.com | ||||||
| NS | ns3.systemdns.com | ||||||
| A | 2604:4000:0:d:64:99:96:36🇨🇦 TUCOWS2604:4000::/48 -BRA-IPV6-BLK1.1/NET-2604:4000 | ||||||
| PTR | ns3.systemdns.com | ||||||
| A | 64.99.96.36🇨🇦 TUCOWS64.99.96.0/24 -BRA-BLK2.7.2 | ||||||
| PTR | ns3.systemdns.com | ||||||
| MX | criticalserver11.net ⭐ | ||||||
| A | 45.63.104.72🇺🇸 AS-VULTR45.63.104.0/21 Vultr Assigned Prefix | ||||||
| PTR | espacios.criticalserver.net | ||||||
| TXT | v=spf1 +a +mx +ip4:45.63.104.72 ~all | ||||||
| SOA | ns1.systemdns.comhostmaster@systemdns.com serial=1752213977 | ||||||
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=1774690052 | ||||||
MX for
criticalserver11.net |
Subdomains
Same first word
criticalserver11.net |
DNS History
6 records (5 active, 1 former)
●NSns1.systemdns.com2017-11-16 → 2026-03-28 · 2 obs
● 2026-03-28 09:38:42
●NSns2.systemdns.com2017-11-16 → 2026-03-28 · 2 obs
● 2026-03-28 09:38:42
●NSns3.systemdns.com2017-11-16 → 2026-03-28 · 2 obs
● 2026-03-28 09:38:42
●MXcriticalserver11.net2017-11-16 → 2026-03-28 · 2 obs
● 2026-03-28 09:38:42
○A45.32.206.832017-11-16 → 2017-11-16 · 3 obs
○ 2026-02-16 08:59:40
○ 2026-03-28 09:38:42
●A45.63.104.722026-02-16 → 2026-03-28 · 3 obs
● 2026-02-16 08:59:40
● 2026-03-28 09:38:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | f.gtld-servers.net, d.gtld-servers.net, l.gtld-servers.net, j.gtld-servers.net... | - |
| criticalserver11.net | ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com | - |
✅ Authoritative Response
Server:216.40.47.90
NS records: ns1.systemdns.com, ns2.systemdns.com, ns3.systemdns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for criticalserver11.net (unsigned zone)
⏱️ Timing
Total: 401ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 45.63.104.72 |
| NS | 3 | ns2.systemdns.com, ns3.systemdns.com... |
| MX | 1 | criticalserver11.net (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:45.63.104.72 ~all |
| SOA | 1 | ns1.systemdns.com hostmaster.systemdns.c |
Analysis
Hierarchy
criticalserver11.net is a parent of ns1.criticalserver11.net and ns2.criticalserver11.net.
Mail Server Role
criticalserver11.net serves as a mail server for criticalserver11.net.
IP Addresses
criticalserver11.net points to a single IP: 45.63.104.72.
Other host names, for instance emergenciasmedicas.com.mx, sycomsa.com.mx, scioyeductor.com, tubac.mx and exploreg.com.mx share IP numbers with criticalserver11.net.
Name Servers
criticalserver11.net is delegated to three name servers: ns1.systemdns.com, ns2.systemdns.com and ns3.systemdns.com.
criticalserver11.net partially shares name servers with other domains; examples include gmnardone.com, ganu.ca, brainfriendlygiant.com, negation.net and herbsoforigin.com.
Host names with two IP numbers:
ns1.systemdns.com points to 2604:4000:0:d:216:40:47:90 and 216.40.47.90.
ns2.systemdns.com points to 2604:4000:2800:d:64:99:148:16 and 64.98.148.16.
ns3.systemdns.com points to 2604:4000:0:d:64:99:96:36 and 64.99.96.36.
Mail Servers
criticalserver11.net is handled by a single mail server, criticalserver11.net.
criticalserver11.net points to a single IP: 45.63.104.72.