cms.ac - dns.ninja
cms.ac
ac
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.nic.ac ⭐ | ||||||
| NS | a2.nic.ac | ||||||
| NS | b0.nic.ac | ||||||
| NS | c0.nic.ac | ||||||
| SOA | a0.nic.achostmaster@donuts.email serial=1786187207 | ||||||
Subdomains
www.cms.ac |
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSa0.ns.topfen.net2015-08-18 → 2026-08-08 · 2 obs
● 2026-08-08 11:44:30
●NSa1.ns.topfen.net2015-08-18 → 2026-08-08 · 2 obs
● 2026-08-08 11:44:30
●NSa2.ns.topfen.net2015-08-18 → 2026-08-08 · 2 obs
● 2026-08-08 11:44:30
●NSa3.ns.topfen.net2015-08-18 → 2026-08-08 · 2 obs
● 2026-08-08 11:44:30
○MXhintertuer.postlager.topfen.net2015-08-18 → 2021-07-13 · 4 obs
● 2021-07-13 18:58:16
○ 2026-02-15 00:33:20
○ 2026-08-08 11:44:30
●MXhintertuer.poststelle.topfen.net2015-08-18 → 2026-08-08 · 2 obs
● 2026-08-08 11:44:30
○MXpostlager.topfen.net2015-08-18 → 2021-07-13 · 4 obs
● 2021-07-13 18:58:16
○ 2026-02-15 00:33:20
○ 2026-08-08 11:44:30
●MXpoststelle.topfen.net2015-08-18 → 2026-08-08 · 2 obs
● 2026-08-08 11:44:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| ac | a0.nic.ac, a2.nic.ac, b0.nic.ac, c0.nic.ac | - |
| cms.ac | a0.ns.topfen.net, a1.ns.topfen.net, a2.ns.topfen.net, a3.ns.topfen.net | - |
✅ Authoritative Response
Server:193.47.99.3
NS records: a0.ns.topfen.net, a1.ns.topfen.net, a2.ns.topfen.net, a3.ns.topfen.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cms.ac (unsigned zone)
⏱️ Timing
Total: 634ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 4 | a0.ns.topfen.net, a1.ns.topfen.net... |
| MX | 2 | poststelle.topfen.net (pri: 0), hintertuer.poststelle.topfen.net (pri: 1 |
| TXT | 1 | v=spf1 include:_spf.topfen.net -all |
| SOA | 1 | a0.ns.topfen.net hostmaster.topfen.net |
Analysis
Hierarchy
The domain www.cms.ac falls under the parent cms.ac.
Name Servers
The domain cms.ac is delegated to these four name servers: a0.ns.topfen.net, a1.ns.topfen.net, a2.ns.topfen.net and a3.ns.topfen.net.
At least some of cms.ac's name servers are shared with other domains, for example motal.net, jumu.org, zehl.at and two more.
These name servers tend to be used in conjunction with the name servers topfen.net.
Four hostnames, each resolving to a pair of IP addresses: a0.ns.topfen.net directs to 5.9.56.175 and 2a01:4f8:161:52a1::175; a1.ns.topfen.net directs to 213.239.242.238 and 2a01:4f8:0:a101::a:1; a2.ns.topfen.net directs to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2; a3.ns.topfen.net directs to 193.47.99.3 and 2001:67c:192c::add:a3.
Mail Servers
The MX records for cms.ac point to two mail servers: poststelle.topfen.net and hintertuer.poststelle.topfen.net.
cms.ac has the same MX record configuration as other domains, including motal.net, zehl.at and topfen.net.
cms.ac overlaps on mail servers with several other domains, for example heast.net, jumu.org, ween.at and werftgalerie.at.
It is common to find these mail servers paired with the mail servers postlager.topfen.net.
Hosts with two IP numbers each:
poststelle.topfen.net has two IP addresses: 136.243.231.242 and 2a01:4f8:161:52a1::242.
Hosts that resolve to one IP address:
hintertuer.poststelle.topfen.net directs to 2a01:4f8:161:52a1::2421.