optikzerbig.de - robtex.com
optikzerbig.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2a01:4f8:161:53ce::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | bts-systems.de | ||||||
| A | 5.9.57.153🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5 | ||||||
| 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.optikzerbig.de ⭐ | ||||||
| A | 2a01:4f8:161:53ce::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | bts-systems.de | ||||||
| A | 5.9.57.153🇩🇪 Hetzner5.9.0.0/16 HETZNER-RZ-FKS-BLK5 | ||||||
| PTR | bts-systems.de | ||||||
| TXT | v=spf1 mx -all | ||||||
| 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=1776191425 | ||||||
Subdomains
Same first word
optikzerbig.de |
DNS History
10 records (6 active, 4 former)
●NSns1.first-ns.de2015-07-23 → 2026-04-14 · 2 obs
● 2026-04-14 18:41:34
●NSrobotns2.second-ns.de2015-07-23 → 2026-04-14 · 2 obs
● 2026-04-14 18:41:34
●NSrobotns3.second-ns.com2015-07-23 → 2026-04-14 · 2 obs
● 2026-04-14 18:41:34
●MXmail.optikzerbig.de2015-07-23 → 2026-04-14 · 2 obs
● 2026-04-14 18:41:34
○A2a01:4f8:110:31ce::22016-03-25 → 2017-06-12 · 4 obs
● 2016-03-25 23:39:14
● 2017-06-12 19:40:56
○ 2026-04-14 18:41:34
●A2a01:4f8:161:53ce::22026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 18:41:34
○A2a01:4f8:162:628c::22015-07-23 → 2015-11-18 · 4 obs
● 2015-11-18 20:58:58
○ 2016-03-25 23:39:14
○ 2026-04-14 18:41:34
○A5.9.117.1442015-07-23 → 2015-11-18 · 4 obs
● 2015-11-18 20:58:58
○ 2016-03-25 23:39:14
○ 2026-04-14 18:41:34
●A5.9.57.1532026-04-14 → 2026-04-14 · 2 obs
● 2026-04-14 18:41:34
○A78.46.38.1942016-03-25 → 2017-06-12 · 4 obs
● 2016-03-25 23:39:14
● 2017-06-12 19:40:56
○ 2026-04-14 18:41:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| optikzerbig.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 optikzerbig.de (unsigned zone)
⏱️ Timing
Total: 4235ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 5.9.57.153 |
| AAAA | 1 | 2a01:4f8:161:53ce::2 |
| NS | 3 | ns1.first-ns.de, robotns2.second-ns.de... |
| MX | 1 | mail.optikzerbig.de (pri: 10) |
| TXT | 1 | v=spf1 mx -all |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
optikzerbig.de is a parent of mail.optikzerbig.de and www.optikzerbig.de.
IP Addresses
optikzerbig.de points to two IPs: 2a01:4f8:161:53ce::2 and 5.9.57.153.
Other host names, for instance mail.bts-systems.de, www.bts-systems.de, dude-clan.de, dominicroemer.de and www.optikzerbig.de share IP numbers with optikzerbig.de.
Name Servers
optikzerbig.de is delegated to name servers robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
optikzerbig.de at least partially shares name servers with other domains such as steelcouch.co.uk, xn--hitsfrkids-metzingen-tec.de, immomail.org, kapfer-t.com and quotas-studien.de.
These name servers are commonly used alongside 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
optikzerbig.de is handled by a single mail server, mail.optikzerbig.de.
Host name mail.optikzerbig.de points to IPs 2a01:4f8:161:53ce::2 and 5.9.57.153.