developer-academy.com - dns.ninja
developer-academy.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=1785136427 | ||||||
PTR for
0.0.0.0.0.e.a.5.b.4.5.f.5.e.6.f.4.6.9.2.3.1.8.0.8.d.8.0.1.0.0.2.ip6.arpa |
143.168.160.217.in-addr.arpa |
MX for
developer-academy.com |
der-gelbe-engel.de |
Previously MX for
Same first word
developer-academy.com |
developer-academy.ch |
DNS History
11 records (9 active, 2 former)
●NSns1088.ui-dns.biz2020-01-23 → 2026-07-27 · 3 obs
● 2020-01-23 04:51:54
● 2026-07-27 07:40:52
●NSns1088.ui-dns.com2020-01-23 → 2026-07-27 · 3 obs
● 2020-01-23 04:51:54
● 2026-07-27 07:40:52
●NSns1088.ui-dns.de2020-01-23 → 2026-07-27 · 3 obs
● 2020-01-23 04:51:54
● 2026-07-27 07:40:52
●NSns1088.ui-dns.org2020-01-23 → 2026-07-27 · 3 obs
● 2020-01-23 04:51:54
● 2026-07-27 07:40:52
○NSns35.1und1.de2015-06-02 → 2016-08-15 · 4 obs
● 2016-08-15 01:34:14
○ 2020-01-23 04:51:54
○ 2026-07-27 07:40:52
○NSns36.1und1.de2015-06-02 → 2016-08-15 · 4 obs
● 2016-08-15 01:34:14
○ 2020-01-23 04:51:54
○ 2026-07-27 07:40:52
●MXdeveloper-academy.com2015-06-02 → 2026-07-27 · 2 obs
● 2026-07-27 07:40:52
●MXmx00.kundenserver.de2020-01-23 → 2026-07-27 · 3 obs
● 2020-01-23 04:51:54
● 2026-07-27 07:40:52
●MXmx01.kundenserver.de2015-06-02 → 2026-07-27 · 2 obs
● 2026-07-27 07:40:52
●A2001:8d8:813:2964:f6e5:f54b:5ae0:02020-01-23 → 2026-07-27 · 3 obs
● 2020-01-23 04:51:54
● 2026-07-27 07:40:52
●A217.160.168.1432015-06-02 → 2026-07-27 · 2 obs
● 2026-07-27 07:40:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | c.gtld-servers.net, g.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net... | - |
| developer-academy.com | ns1088.ui-dns.de, ns1088.ui-dns.biz, ns1088.ui-dns.org, ns1088.ui-dns.com | 2 records |
✅ Authoritative Response
Server:185.132.35.88
NS records: ns1088.ui-dns.de, ns1088.ui-dns.biz, ns1088.ui-dns.org, ns1088.ui-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for developer-academy.com (unsigned zone)
⏱️ Timing
Total: 473ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.168.143 |
| AAAA | 1 | 2001:8d8:813:2964:f6e5:f54b:5ae0:0 |
| NS | 4 | ns1088.ui-dns.biz, ns1088.ui-dns.de... |
| MX | 3 | developer-academy.com (pri: 10), mx01.kundenserver.de (pri: 21)... |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1088.ui-dns.org hostmaster.1und1.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1088.ui-dns.com, ns1088.ui-dns.com)
Analysis
Mail Server Role
developer-academy.com serves as a mail server for both developer-academy.com and der-gelbe-engel.de.
mx00.kundenserver.de and mx01.kundenserver.de tend to appear as mail servers in combination with developer-academy.com.
IP Addresses
developer-academy.com points to the IP addresses 217.160.168.143 and 2001:8d8:813:2964:f6e5:f54b:5ae0:0
Further host names like p15167859.pureserver.info and der-gelbe-engel.de overlap in IP numbers with developer-academy.com.
Name Servers
developer-academy.com has four authoritative name servers: ns1088.ui-dns.biz, ns1088.ui-dns.com, ns1088.ui-dns.de and ns1088.ui-dns.org.
There is at least partial name server overlap between developer-academy.com and other domains — mnss.info, odandb.com, agence-web.me and two more among them.
These name servers regularly appear alongside ns1069.ui-dns.com, ns1045.ui-dns.de, ns1106.ui-dns.org and 7 other name servers in NS record sets.
All four hostnames — ns1088.ui-dns.biz, ns1088.ui-dns.com, ns1088.ui-dns.de and ns1088.ui-dns.org — resolve to two IP numbers apiece: ns1088.ui-dns.biz to 185.132.33.88 and 2607:f1c0:fe:53:185:132:33:88; ns1088.ui-dns.com to 185.132.34.88 and 2607:f1c0:fe:53:185:132:34:88; ns1088.ui-dns.de to 185.132.32.88 and 2607:f1c0:fe:53:185:132:32:88; ns1088.ui-dns.org to 185.132.35.88 and 2607:f1c0:fe:53:185:132:35:88.
Mail Servers
developer-academy.com has three mail servers responsible for it: developer-academy.com, mx00.kundenserver.de and mx01.kundenserver.de.
developer-academy.com shares mail servers — at least in part — with other domains, including rs-electronics.eu, mail.ep-stb.de, mail.druckereimindl.de and two others.
These mail servers are frequently seen alongside the mail servers extern1.rs-software.com.
developer-academy.com, mx00.kundenserver.de and mx01.kundenserver.de all resolve to exactly two IP numbers apiece: developer-academy.com → 217.160.168.143 and 2001:8d8:813:2964:f6e5:f54b:5ae0:0; mx00.kundenserver.de → 212.227.15.41 and 212.227.15.171; mx01.kundenserver.de → 212.227.15.188 and 217.72.192.67.