koelnconcept.de - robtex.com
koelnconcept.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 178.215.228.129🇩🇪 ESEVEN178.215.228.0/24 | ||||||
| PTR | cp.eseven.net | ||||||
| NS | a.eseven.net ⭐ | ||||||
| A | 2a03:4000:6:2091:5054:69ff:fe18:dc57🇩🇪 netcup-AS2a03:4000::/32 NETCUP-GMBH | ||||||
| PTR | a.eseven.net | ||||||
| A | 5.45.110.39🇩🇪 netcup-AS5.45.108.0/22 | ||||||
| PTR | a.eseven.net | ||||||
| NS | b.eseven.net | ||||||
| A | 2a0d:5440::7🇩🇪 ESEVEN2a0d:5440::/48 | ||||||
| PTR | b.eseven.net | ||||||
| A | 178.215.228.7🇩🇪 ESEVEN178.215.228.0/24 | ||||||
| PTR | b.eseven.net | ||||||
| NS | c.eseven.net | ||||||
| A | 2001:19f0:5:17df:5400:1ff:feee:9cfd🇺🇸 AS-VULTR2001:19f0::/38 Vultr Assigned Prefix | ||||||
| PTR | c.eseven.net | ||||||
| A | 104.238.128.77🇺🇸 AS-VULTR104.238.128.0/21 Vultr Assigned Prefix | ||||||
| PTR | c.eseven.net | ||||||
| NS | d.eseven.net | ||||||
| A | 2400:6180:0:d0::5d:8001🇸🇬 DIGITALOCEAN2400:6180::/48 DigitalOcean | ||||||
| A | 139.59.216.86🇸🇬 DIGITALOCEAN139.59.216.0/22 DigitalOcean | ||||||
| MX | zimbra.ffm.eseven.net ⭐ | ||||||
| A | 178.215.228.100🇩🇪 ESEVEN178.215.228.0/24 | ||||||
| PTR | zimbra.ffm.eseven.net | ||||||
| TXT | v=spf1 +a +mx +ip4:178.215.228.129 +ip4:212.83.47.27 +ip4:212.83.47.62 ~all | ||||||
| SOA | a.eseven.netnoc@eseven.de 2026-03-22 #7 | ||||||
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=1773553752 | ||||||
Same first word
koelnconcept.de |
DNS History
11 records (6 active, 5 former)
●NSa.eseven.net2020-02-26 → 2026-03-23 · 3 obs
● 2020-02-26 13:20:18
● 2026-03-23 01:58:38
●NSb.eseven.net2020-02-26 → 2026-03-23 · 3 obs
● 2020-02-26 13:20:18
● 2026-03-23 01:58:38
●NSc.eseven.net2020-02-26 → 2026-03-23 · 3 obs
● 2020-02-26 13:20:18
● 2026-03-23 01:58:38
●NSd.eseven.net2020-02-26 → 2026-03-23 · 3 obs
● 2020-02-26 13:20:18
● 2026-03-23 01:58:38
○NSns1.eseven.net2015-06-26 → 2017-03-31 · 4 obs
● 2017-03-31 21:37:02
○ 2020-02-26 13:20:18
○ 2026-03-23 01:58:38
○NSns2.eseven.net2015-06-26 → 2017-03-31 · 4 obs
● 2017-03-31 21:37:02
○ 2020-02-26 13:20:18
○ 2026-03-23 01:58:38
○MXzcs.eseven.net2015-06-26 → 2017-03-31 · 4 obs
● 2017-03-31 21:37:02
○ 2020-02-26 13:20:18
○ 2026-03-23 01:58:38
●MXzimbra.ffm.eseven.net2020-02-26 → 2026-03-23 · 3 obs
● 2020-02-26 13:20:18
● 2026-03-23 01:58:38
●A178.215.228.1292026-03-09 → 2026-03-23 · 3 obs
● 2026-03-09 21:36:28
● 2026-03-23 01:58:38
○A212.83.47.622020-02-26 → 2020-02-26 · 4 obs
● 2020-02-26 13:20:18
○ 2026-03-09 21:36:28
○ 2026-03-23 01:58:38
○A62.75.205.352015-06-26 → 2017-03-31 · 4 obs
● 2017-03-31 21:37:02
○ 2020-02-26 13:20:18
○ 2026-03-23 01:58:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | f.nic.de, z.nic.de, a.nic.de | - |
| koelnconcept.de | b.eseven.net, a.eseven.net, d.eseven.net, c.eseven.net | - |
✅ Authoritative Response
Server:178.215.228.7
NS records: b.eseven.net, a.eseven.net, d.eseven.net, c.eseven.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for koelnconcept.de (unsigned zone)
⏱️ Timing
Total: 2700ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 178.215.228.129 |
| NS | 4 | a.eseven.net, c.eseven.net... |
| MX | 1 | zimbra.ffm.eseven.net (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +ip4:178.215.228.129 +ip4: |
| SOA | 1 | a.eseven.net noc.eseven.de |
Analysis
IP Addresses
koelnconcept.de points to a single IP number: 178.215.228.129.
Other host names, for instance mail.mauritius-schmitz.de, mail.sprechen-und-gesang.de, mauritius-schmitz.de, eseven.mobi and bosnic.de share IP numbers with koelnconcept.de.
Name Servers
koelnconcept.de is delegated to four name servers: a.eseven.net, b.eseven.net, c.eseven.net and d.eseven.net.
koelnconcept.de shares name servers with other domains at least partially, for instance epbf.org, e-seven.de, cp.eseven.net, gesang-und-sprechen.de and eurotouronline.eu.
these name servers are often used together with the name servers b.eseven.de.
Host names with two IP numbers:
a.eseven.net resolves to 2a03:4000:6:2091:5054:69ff:fe18:dc57 and 5.45.110.39.
b.eseven.net resolves to 2a0d:5440::7 and 178.215.228.7.
c.eseven.net resolves to 2001:19f0:5:17df:5400:1ff:feee:9cfd and 104.238.128.77.
d.eseven.net resolves to 2400:6180:0:d0::5d:8001 and 139.59.216.86.
Mail Servers
The mail server for koelnconcept.de is zimbra.ffm.eseven.net.
koelnconcept.de shares the same mail server setup as other domains, including jtemplin.de, idwork.de, eseven.ch, ffm.eseven.net and heimmerer.com.
Host name zimbra.ffm.eseven.net resolves to IP 178.215.228.100.