fairdu.com - robtex.com
fairdu.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 88.198.93.7🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | static.88-198-93-7.clients.your-server.de | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.fairdu.com ⭐ | ||||||
| A | 88.198.93.7🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | static.88-198-93-7.clients.your-server.de | ||||||
| SOA | ns1.first-ns.depostmaster@robot.first-ns.de 2015-11-02 #0 | ||||||
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=1771291435 | ||||||
Subdomains
mail.fairdu.com |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSns1.first-ns.de2016-12-19 → 2026-03-23 · 2 obs
● 2026-03-23 11:49:52
●NSrobotns2.second-ns.de2016-12-19 → 2026-03-23 · 2 obs
● 2026-03-23 11:49:52
●NSrobotns3.second-ns.com2016-12-19 → 2026-03-23 · 2 obs
● 2026-03-23 11:49:52
●MXmail.fairdu.com2016-12-19 → 2026-03-23 · 2 obs
● 2026-03-23 11:49:52
●A88.198.93.72016-12-19 → 2026-03-23 · 2 obs
● 2026-03-23 11:49:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | e.gtld-servers.net, f.gtld-servers.net, g.gtld-servers.net, h.gtld-servers.net... | - |
| fairdu.com | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | 2 records |
✅ Authoritative Response
Server:213.239.242.238
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for fairdu.com (unsigned zone)
⏱️ Timing
Total: 744ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.198.93.7 |
| NS | 3 | robotns2.second-ns.de, ns1.first-ns.de... |
| MX | 1 | mail.fairdu.com (pri: 10) |
| SOA | 1 | ns1.first-ns.de postmaster.robot.first-n |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (robotns3.second-ns.com, robotns3.second-ns.com)
Analysis
Hierarchy
fairdu.com is a parent of mail.fairdu.com.
IP Addresses
fairdu.com points to a single IP address: 88.198.93.7.
Other host names, for instance fairdu.net, mail.fairdu.com, mail.fairdu.net and static.88-198-93-7.clients.your-server.de share IP numbers with fairdu.com.
Name Servers
fairdu.com is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
At least part of the name servers for fairdu.com are shared with other domains, for instance arns-und-roemer.de, elektro-berger-tom.de, wintopia-mail.de, victorsaar.de and dilocker.de.
These name servers are commonly used alongside the name servers ns1.your-server.de.
Host names with two IP numbers:
robotns3.second-ns.com points to 2001:67c:192c::add:a3 and 193.47.99.3
ns1.first-ns.de points to 2a01:4f8:0:a101::a:1 and 213.239.242.238
robotns2.second-ns.de points to 2a01:4f8:0:1::5ddc:2 and 213.133.100.103
Mail Servers
The mail server for fairdu.com is mail.fairdu.com.
Host mail.fairdu.com points to IP 88.198.93.7.