knowyouhow.de - robtex.com
knowyouhow.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.10.193.131🇩🇪 Hetzner85.10.192.0/18 HETZNER-RZ-NBG-BLK3 | ||||||
| PTR | findling.com | ||||||
| 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.knowyouhow.de ⭐ | ||||||
| A | 85.10.193.131🇩🇪 Hetzner85.10.192.0/18 HETZNER-RZ-NBG-BLK3 | ||||||
| PTR | findling.com | ||||||
| SOA | ns1.first-ns.depostmaster@robot.first-ns.de 2007-09-24 #0 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1774460154 | ||||||
Subdomains
mail.knowyouhow.de |
Same first word
knowyouhow.info |
knowyouhow.de |
Similar names
howyouknow.org |
youknowwho.in |
whoyouknow.ca |
knowhowyou.com |
youknowwho.ru |
whoyouknow.co |
youknowhow.de |
whoyouknow.com |
DNS History
5 records (5 active, 0 former)
●NSns1.first-ns.de2015-07-14 → 2026-03-25 · 2 obs
● 2026-03-25 17:49:54
●NSrobotns2.second-ns.de2015-07-14 → 2026-03-25 · 2 obs
● 2026-03-25 17:49:54
●NSrobotns3.second-ns.com2015-07-14 → 2026-03-25 · 2 obs
● 2026-03-25 17:49:54
●MXmail.knowyouhow.de2015-07-14 → 2026-03-25 · 2 obs
● 2026-03-25 17:49:54
●A85.10.193.1312015-07-14 → 2026-03-25 · 2 obs
● 2026-03-25 17:49:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| knowyouhow.de | robotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de | - |
✅ Authoritative Response
Server:213.239.242.238
NS records: robotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for knowyouhow.de (unsigned zone)
⏱️ Timing
Total: 1677ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.10.193.131 |
| NS | 3 | ns1.first-ns.de, robotns2.second-ns.de... |
| MX | 1 | mail.knowyouhow.de (pri: 10) |
| SOA | 1 | ns1.first-ns.de postmaster.robot.first-n |
Analysis
Hierarchy
The parent of mail.knowyouhow.de is knowyouhow.de.
IP Addresses
knowyouhow.de points to a single IP number: 85.10.193.131.
Other host names, for instance abeg-test.de, mail.knowyouhow.info, gehaeuselager.de, knowyouhow.info and nadellager.de share IP numbers with knowyouhow.de.
Name Servers
The domain knowyouhow.de is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
knowyouhow.de shares name servers with other domains at least partially, for instance aqwe.de, trackel.com, edding.it, wmpost.be and iwpteam.com.
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 knowyouhow.de is mail.knowyouhow.de.
Host name mail.knowyouhow.de resolves to IP 85.10.193.131.