yy9.de - robtex.com
yy9.de
| DNSSEC | ⚠️ Not signed | ||||||
| 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.yy9.de ⭐ | ||||||
| A | 128.140.0.28🇩🇪 Hetzner128.140.0.0/17 HETZNER-DC | ||||||
| PTR | mailcow.x5s.de | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2025-10-20 #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=1776270050 | ||||||
Subdomains
mail.yy9.de |
Same first word
yy9.de |
Similar names
DNS History
9 records (4 active, 5 former)
●NSns1.first-ns.de2017-05-24 → 2026-04-15 · 3 obs
● 2017-05-24 00:00:56
● 2026-04-15 16:50:26
○NSns1.sedoparking.com2015-08-02 → 2016-01-22 · 4 obs
● 2016-01-22 17:54:34
○ 2016-03-28 14:38:40
○ 2026-04-15 16:50:26
○NSns2.sedoparking.com2015-08-02 → 2016-01-22 · 4 obs
● 2016-01-22 17:54:34
○ 2016-03-28 14:38:40
○ 2026-04-15 16:50:26
●NSrobotns2.second-ns.de2017-05-24 → 2026-04-15 · 3 obs
● 2017-05-24 00:00:56
● 2026-04-15 16:50:26
●NSrobotns3.second-ns.com2017-05-24 → 2026-04-15 · 3 obs
● 2017-05-24 00:00:56
● 2026-04-15 16:50:26
○MXmail.nickstel.com2015-08-02 → 2016-01-22 · 4 obs
● 2016-01-22 17:54:34
○ 2016-03-28 14:38:40
○ 2026-04-15 16:50:26
●MXmail.yy9.de2017-05-24 → 2026-04-15 · 3 obs
● 2017-05-24 00:00:56
● 2026-04-15 16:50:26
○A144.76.2.1172017-05-24 → 2017-05-24 · 4 obs
● 2017-05-24 00:00:56
○ 2026-03-21 12:32:54
○ 2026-04-15 16:50:26
○A72.52.4.1202015-08-02 → 2016-01-22 · 4 obs
● 2016-01-22 17:54:34
○ 2016-03-28 14:38:40
○ 2026-04-15 16:50:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| yy9.de | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | - |
✅ 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 yy9.de (unsigned zone)
⏱️ Timing
Total: 4342ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 3 | ns1.first-ns.de, robotns2.second-ns.de... |
| MX | 1 | mail.yy9.de (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
yy9.de is parent of mail.yy9.de.
Name Servers
yy9.de is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
yy9.de at least partially shares its name servers with other domains, for instance humboldt-ulm.de, proconcept.ag, docbull.com, bezipi.com and easy-feedback.de.
These name servers are commonly used with hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.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
yy9.de is served by a single mail server, mail.yy9.de.
mail.yy9.de points to IP number 128.140.0.28.