core90.de - dns.ninja
core90.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=1786604166 | ||||||
Subdomains
Same first word
DNS History
11 records (7 active, 4 former)
●NSnsa7.schlundtech.de2015-08-13 → 2026-08-13 · 2 obs
● 2026-08-13 06:57:30
●NSnsb7.schlundtech.de2015-08-13 → 2026-08-13 · 2 obs
● 2026-08-13 06:57:30
●NSnsc7.schlundtech.de2015-08-13 → 2026-08-13 · 2 obs
● 2026-08-13 06:57:30
●NSnsd7.schlundtech.de2015-08-13 → 2026-08-13 · 2 obs
● 2026-08-13 06:57:30
●MXmx-backup.core90.eu2015-08-13 → 2026-08-13 · 5 obs
● 2020-03-11 16:00:44
○ 2026-02-16 13:45:06
○ 2026-04-17 22:18:00
● 2026-08-13 06:57:30
○MXmx1-in.core90.eu2015-08-13 → 2026-04-17 · 3 obs
● 2026-04-17 22:18:00
○ 2026-08-13 06:57:30
●A148.251.75.2482026-02-16 → 2026-08-13 · 3 obs
● 2026-02-16 13:45:06
● 2026-08-13 06:57:30
○A217.11.62.992015-08-13 → 2020-03-11 · 4 obs
● 2020-03-11 16:00:44
○ 2026-02-16 13:45:06
○ 2026-08-13 06:57:30
○A2a00:1828:2000:398::62:992015-08-13 → 2017-03-26 · 4 obs
● 2017-03-26 05:12:06
○ 2020-03-11 16:00:44
○ 2026-08-13 06:57:30
○A2a00:1828:2000:548::62:992020-03-11 → 2020-03-11 · 4 obs
● 2020-03-11 16:00:44
○ 2026-02-16 13:45:06
○ 2026-08-13 06:57:30
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| core90.de | nsa7.schlundtech.de, nsb7.schlundtech.de, nsc7.schlundtech.de, nsd7.schlundtech.de | - |
✅ Authoritative Response
Server:185.132.34.227
NS records: nsa7.schlundtech.de, nsb7.schlundtech.de, nsc7.schlundtech.de, nsd7.schlundtech.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for core90.de (unsigned zone)
⏱️ Timing
Total: 1453ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 148.251.75.248 |
| NS | 4 | nsb7.schlundtech.de, nsd7.schlundtech.de... |
| MX | 2 | main1.core90.eu (pri: 10), mx-backup.core90.eu (pri: 98) |
| TXT | 1 | v=spf1 include:spf.mailjet.com mx ip4:5. |
| SOA | 1 | nsa7.schlundtech.de postmaster.core90.de |
Analysis
Hierarchy
The parent domain of mx1.core90.de and www.core90.de is core90.de.
IP Addresses
core90.de directs to one IP number, which is 148.251.75.248.
Among the host names that share IP numbers with core90.de are 2bee.in, mx1-in.core90.eu, static.248.75.251.148.clients.your-server.de and two others.
Name Servers
The domain core90.de is delegated to these four name servers: nsa7.schlundtech.de, nsb7.schlundtech.de, nsc7.schlundtech.de and nsd7.schlundtech.de.
core90.de shares at least some of its name servers with other domains, including k-dm.com, energieavantgarde.com, regenschirmhersteller.de and two others.
These name servers are frequently seen alongside the name servers ns.pro-image.de.
The host names nsa7.schlundtech.de, nsb7.schlundtech.de, nsc7.schlundtech.de and nsd7.schlundtech.de each resolve to two IP addresses: nsa7.schlundtech.de resolves to 185.132.34.227 and 2607:f1c0:fe:53:185:132:34:227; nsb7.schlundtech.de resolves to 185.132.35.227 and 2607:f1c0:fe:53:185:132:35:227; nsc7.schlundtech.de resolves to 217.160.80.227 and 2001:8d8:fe:53:217:160:80:227; nsd7.schlundtech.de resolves to 217.160.81.227 and 2001:8d8:fe:53:217:160:81:227.
Mail Servers
The MX records for core90.de point to two mail servers: main1.core90.eu and mx-backup.core90.eu.
core90.de and domains like gotobi.net share an identical mail server configuration.
core90.de has at least some mail servers in common with other domains, such as haus-tobi.de, lunatic-productions.com, 2bee.in and core90.eu.
It is common to find these mail servers paired with the mail servers mx-backup.core90.eu.2bee.in.
Each of main1.core90.eu and mx-backup.core90.eu points to exactly one IP address: 148.251.75.248.
main1.core90.eu and mx-backup.core90.eu each have 148.251.75.248 IP addresses.