liertzer.com - robtex.com
liertzer.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.contabo.net ⭐ | ||||||
| A | 2a02:c207:ff00:1200::1🇩🇪 CONTABO2a02:c207::/32 | ||||||
| A | 5.180.150.13🇺🇸 CONTABO5.180.150.0/24 | ||||||
| PTR | ns1.contabo.net | ||||||
| NS | ns2.contabo.net | ||||||
| A | 2a02:c202:5028:1200::1🇩🇪 CONTABO2a02:c202::/32 | ||||||
| A | 195.179.224.10🇩🇪 CONTABO195.179.224.0/21 | ||||||
| PTR | ns2.contabo.net | ||||||
| NS | ns3.contabo.net | ||||||
| A | 2605:a140:5028:1200::1🇺🇸 CONTABO-USA2605:a140::/32 710 N Tucker Blvd. STE 400A St. Louis MO 63101 United States | ||||||
| A | 209.126.15.15🇺🇸 CONTABO-USA209.126.0.0/20 710 N Tucker Blvd. STE 400A St. Louis MO 63101 United States | ||||||
| PTR | ns3.contabo.net | ||||||
| MX | fermi.liertzer.com ⭐ | ||||||
| A | 2a02:c207:2100:8774::1🇩🇪 CONTABO2a02:c207::/32 | ||||||
| PTR | fermi.liertzer.com | ||||||
| A | 173.212.231.74🇩🇪 CONTABO173.212.224.0/20 | ||||||
| PTR | fermi.liertzer.com | ||||||
| TXT | v=spf1 mx a:fermi.liertzer.com ~all | ||||||
| SOA | ns1.contabo.nethostmaster@contabo.de serial=1777471177 | ||||||
com
| 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=1777469546 | ||||||
Subdomains
Same first word
Similar names
DNS History
7 records (4 active, 3 former)
●NSns1.contabo.net2017-05-08 → 2026-04-29 · 2 obs
● 2026-04-29 13:59:36
●NSns2.contabo.net2017-05-08 → 2026-04-29 · 2 obs
● 2026-04-29 13:59:36
●NSns3.contabo.net2017-05-08 → 2026-04-29 · 2 obs
● 2026-04-29 13:59:36
●MXfermi.liertzer.com2026-04-29 → 2026-04-29 · 2 obs
● 2026-04-29 13:59:36
○MXmail.liertzer.com2017-05-08 → 2017-05-08 · 2 obs
○ 2026-04-29 13:59:36
○A2a02:c207:2006:7224::12017-05-08 → 2017-05-08 · 2 obs
○ 2026-04-29 13:59:36
○A5.189.156.2012017-05-08 → 2017-05-08 · 2 obs
○ 2026-04-29 13:59:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| liertzer.com | ns1.contabo.net, ns2.contabo.net, ns3.contabo.net | - |
✅ Authoritative Response
Server:5.180.150.13
NS records: ns1.contabo.net, ns2.contabo.net, ns3.contabo.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for liertzer.com (unsigned zone)
⏱️ Timing
Total: 478ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.contabo.net, ns2.contabo.net... |
| MX | 1 | fermi.liertzer.com (pri: 10) |
| TXT | 1 | v=spf1 mx a:fermi.liertzer.com ~all |
| SOA | 1 | ns1.contabo.net hostmaster.contabo.de |
Analysis
Hierarchy
liertzer.com is a parent of fermi.liertzer.com and mail.liertzer.com.
Name Servers
The delegation for liertzer.com is handled by three name servers: ns1.contabo.net, ns2.contabo.net and ns3.contabo.net.
liertzer.com at least partially shares name servers with other domains, for instance e-diktyo.eu, trackn.org, 74.216.217.in-addr.arpa, tfh-files.de and 182.245.185.in-addr.arpa.
these name servers are commonly used with marek.ns.cloudflare.com, ns1.trackn.org and ns2.trackn.org.
Two IP numbers per host:
ns1.contabo.net points to 2a02:c207:ff00:1200::1 and 5.180.150.13.
ns2.contabo.net points to 2a02:c202:5028:1200::1 and 195.179.224.10.
ns3.contabo.net points to 2605:a140:5028:1200::1 and 209.126.15.15.
Mail Servers
liertzer.com is handled by a single mail server, fermi.liertzer.com.
fermi.liertzer.com resolves to two IP numbers: 2a02:c207:2100:8774::1 and 173.212.231.74.