second.de - dns.ninja
second.de
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=1782113026 | ||||||
Subdomains
ns.second.de |
pbx.second.de |
imarc.second.de |
mx1.second.de |
defender.second.de |
gw.second.de |
www.second.de |
ns1.second.de |
sdsl.second.de |
smtp.second.de |
secondhost.second.de |
firewall01.second.de |
altmueller.second.de |
second-2.second.de |
web01.second.de |
mail.second.de |
Same first word
Similar names
DNS History
12 records (9 active, 3 former)
●NSns.second.de2015-06-26 → 2026-06-22 · 2 obs
● 2026-06-22 07:27:00
●NSns1.second.de2015-06-26 → 2026-06-22 · 2 obs
● 2026-06-22 07:27:00
●MXmx.boesner.biz2026-03-03 → 2026-06-22 · 3 obs
● 2026-03-03 22:21:36
● 2026-06-22 07:27:00
●MXmx1.boesner.biz2026-03-03 → 2026-06-22 · 3 obs
● 2026-03-03 22:21:36
● 2026-06-22 07:27:00
○MXmx1.inp-service.net2015-06-26 → 2016-12-26 · 4 obs
● 2016-12-26 09:56:58
○ 2026-03-03 22:21:36
○ 2026-06-22 07:27:00
○MXmx2.inp-service.net2015-06-26 → 2016-12-26 · 4 obs
● 2016-12-26 09:56:58
○ 2026-03-03 22:21:36
○ 2026-06-22 07:27:00
●A2001:4090:e005:7700::102026-03-03 → 2026-06-22 · 3 obs
● 2026-03-03 22:21:36
● 2026-06-22 07:27:00
●A212.48.101.102026-03-03 → 2026-06-22 · 3 obs
● 2026-03-03 22:21:36
● 2026-06-22 07:27:00
○A212.48.101.112015-06-26 → 2016-12-26 · 4 obs
● 2016-12-26 09:56:58
○ 2026-03-03 22:21:36
○ 2026-06-22 07:27:00
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| second.de | ns.in-p.de, ns.second.de, ns1.second.de, ns3.in-p.de... | 10 records |
✅ Authoritative Response
Server:212.48.101.110
NS records: ns.in-p.de, ns.second.de, ns1.second.de, ns3.in-p.de, ns-sec.in-p.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for second.de (unsigned zone)
⏱️ Timing
Total: 749ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.48.101.10 |
| AAAA | 1 | 2001:4090:e005:7700::10 |
| NS | 5 | ns.in-p.de, ns.second.de... |
| MX | 2 | mx1.boesner.biz (pri: 10), mx.boesner.biz (pri: 55000) |
| TXT | 1 | v=spf1 a mx include:_spf.boesner.biz -al |
| SOA | 1 | ns.second.de rb.second.de |
📌 Glue Records Collected
Total: 10
In-bailiwick: 4 (ns.second.de, ns.second.de, ns1.second.de...)
Out-of-bailiwick: 6 (ns.in-p.de, ns.in-p.de, ns3.in-p.de...)
Analysis
Hierarchy
Among the subdomains of second.de are ns.second.de, pbx.second.de, imarc.second.de, mx1.second.de, defender.second.de and a few other host names.
IP Addresses
second.de points to the IP addresses 212.48.101.10 and 2001:4090:e005:7700::10
Two other host names, along with h1010.inp-service.net, www.second.de and smtp.second.de, also share IP numbers with second.de.
Name Servers
second.de delegates to five name servers: ns-sec.in-p.de, ns3.in-p.de, ns.in-p.de and two others.
There is at least partial name server overlap between second.de and other domains — servierwagen.de, elkstag.de, nasse.biz and two more among them.
These name servers regularly appear alongside ns1.second.de, ns4.inp.eu, ns5.inp.eu and 5 other name servers in NS record sets.
Host names that have two IP addresses:
The A records for ns-sec.in-p.de return 84.19.6.3 and 2a00:f70:abce::3.
The A records for ns3.in-p.de return 212.48.101.253 and 2001:4090:e005:7700::253.
The A records for ns.in-p.de return 84.19.6.2 and 2a00:f70:abce::2.
The A records for ns1.second.de return 212.48.101.110 and 2001:4090:e005:7700::110.
The A records for ns.second.de return 212.48.101.10 and 2001:4090:e005:7700::10.
Mail Servers
second.de is served by two mail servers, mx1.boesner.biz and mx.boesner.biz.
Among the domains sharing a mail server setup with second.de are tk-broker.com, boesner.email, tkbroker.com and two others.
There is at least a partial MX overlap between second.de and other domains, including isola-mineralwolle.de, edekanissen.de, balkon-beschichtungssysteme.de and two others.
mx1.boesner.biz resolves to 212.48.101.8 and 2001:4090:e005:7700::8. Likewise, mx.boesner.biz resolves to 212.48.101.9 and 2001:4090:e005:7700::9 — two IP addresses apiece.