poolclean.de - robtex.com
poolclean.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 88.99.137.231🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | mail.gk-it.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.poolclean.de ⭐ | ||||||
| A | 88.99.137.231🇩🇪 Hetzner88.99.0.0/16 HETZNER-DC | ||||||
| PTR | mail.gk-it.com | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-04-14 #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=1786019418 | ||||||
Subdomains
mail.poolclean.de |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns1.first-ns.de2015-08-12 → 2026-08-06 · 2 obs
● 2026-08-06 13:08:14
●NSrobotns2.second-ns.de2015-08-12 → 2026-08-06 · 2 obs
● 2026-08-06 13:08:14
●NSrobotns3.second-ns.com2015-08-12 → 2026-08-06 · 2 obs
● 2026-08-06 13:08:14
●MXmail.poolclean.de2015-08-12 → 2026-08-06 · 2 obs
● 2026-08-06 13:08:14
○A144.76.183.462015-08-12 → 2018-09-11 · 4 obs
● 2018-09-11 04:35:32
○ 2026-06-15 08:49:32
○ 2026-08-06 13:08:14
●A88.99.137.2312026-06-15 → 2026-08-06 · 3 obs
● 2026-06-15 08:49:32
● 2026-08-06 13:08:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| poolclean.de | robotns2.second-ns.de, ns1.first-ns.de, robotns3.second-ns.com | - |
✅ Authoritative Response
Server:193.47.99.3
NS records: robotns2.second-ns.de, ns1.first-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for poolclean.de (unsigned zone)
⏱️ Timing
Total: 1051ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.99.137.231 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.poolclean.de (pri: 10) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
poolclean.de serves as the parent of mail.poolclean.de.
IP Addresses
poolclean.de directs to one IP number, which is 88.99.137.231.
Among the host names that share IP numbers with poolclean.de are mail.gk-it.com, mail.poolclean.de, mail.eckardt-labor-technik.de and two others.
Name Servers
poolclean.de has three name servers — robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
poolclean.de has at least partial name server overlap with other domains, such as osteopathieoberursel.de, thw23.de, asapaviationgroup.com and two others.
These name servers tend to appear together with the name servers hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
Each of robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de points to two IP numbers. robotns3.second-ns.com points to 193.47.99.3 and 2001:67c:192c::add:a3. ns1.first-ns.de points to 213.239.242.238 and 2a01:4f8:0:a101::a:1. robotns2.second-ns.de points to 213.133.100.103 and 2a01:4f8:0:1::5ddc:2.
Mail Servers
poolclean.de routes its mail through a single mail server, mail.poolclean.de.
mail.poolclean.de points to one IP number — 88.99.137.231.