core-institut.com - robtex.com
core-institut.com
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1778878196 | ||||||
Same first word
core-institut.com |
DNS History
8 records (8 active, 0 former)
●NSns1049.ui-dns.org2026-05-12 → 2026-05-15 · 2 obs
● 2026-05-15 21:09:42
●NSns1059.ui-dns.biz2026-05-12 → 2026-05-15 · 2 obs
● 2026-05-15 21:09:42
●NSns1087.ui-dns.com2026-05-12 → 2026-05-15 · 2 obs
● 2026-05-15 21:09:42
●A2001:8d8:100f:f000::21c2026-05-12 → 2026-05-15 · 2 obs
● 2026-05-15 21:09:42
●A217.160.0.1112026-05-12 → 2026-05-15 · 2 obs
● 2026-05-15 21:09:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, j.gtld-servers.net, l.gtld-servers.net, f.gtld-servers.net... | - |
| core-institut.com | ns1049.ui-dns.org, ns1059.ui-dns.biz, ns1116.ui-dns.de, ns1087.ui-dns.com | 2 records |
✅ Authoritative Response
Server:217.160.83.49
NS records: ns1049.ui-dns.org, ns1059.ui-dns.biz, ns1116.ui-dns.de, ns1087.ui-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for core-institut.com (unsigned zone)
⏱️ Timing
Total: 793ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.0.111 |
| AAAA | 1 | 2001:8d8:100f:f000::21c |
| NS | 4 | ns1116.ui-dns.de, ns1059.ui-dns.biz... |
| MX | 2 | mx01.ionos.de (pri: 10), mx00.ionos.de (pri: 10) |
| TXT | 1 | v=spf1 include:_spf-eu.ionos.com ~all |
| SOA | 1 | ns1116.ui-dns.de hostmaster.1und1.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1087.ui-dns.com, ns1087.ui-dns.com)
Analysis
IP Addresses
core-institut.com points to two IPs: 2001:8d8:100f:f000::21c and 217.160.0.111.
Other host names, for instance netrolink.com, treller.net, absolute-body.de, kh-aachen.de and linkenheil.de share IP numbers with core-institut.com.
Name Servers
core-institut.com is delegated to four name servers: ns1059.ui-dns.biz, ns1087.ui-dns.com, ns1116.ui-dns.de and ns1049.ui-dns.org.
core-institut.com at least partially shares name servers with other domains such as detectivesibiza.com, dj-sven-barnim.de, mesaoud.org, amhocon.com and heiko-j-k-mueller.de.
These name servers are often used together with ns1116.ui-dns.com, ns1116.ui-dns.biz, ns1059.ui-dns.com, ns1116.ui-dns.org, ns1059.ui-dns.de, ns1059.ui-dns.org, ns1087.ui-dns.biz, ns1087.ui-dns.de, ns1087.ui-dns.org and ns1049.ui-dns.de.
Host names with two IP numbers:
ns1059.ui-dns.biz points to 2001:8d8:fe:53:0:d9a0:513b:100 and 217.160.81.59
ns1087.ui-dns.com points to 2001:8d8:fe:53:0:d9a0:5257:100 and 217.160.82.87
ns1116.ui-dns.de points to 2607:f1c0:fe:53:185:132:32:116 and 217.160.80.116
ns1049.ui-dns.org points to 2001:8d8:fe:53:0:d9a0:5331:100 and 217.160.83.49
Mail Servers
Two mail servers handle core-institut.com: mx00.ionos.de and mx01.ionos.de.
core-institut.com shares the same mail server setup as other domains, including mannyunited.com, torquis.de, c-kurs.de, knebler.de and vermoegenmuc.de.
Host names with a single IP address:
mx00.ionos.de points to 212.227.15.41
mx01.ionos.de points to 217.72.192.67