dbcourse.com - dns.ninja
dbcourse.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=1786261724 | ||||||
Same first word
dbcourse.com |
Similar names
DNS History
13 records (7 active, 6 former)
●NSns1033.ui-dns.biz2020-03-03 → 2026-08-09 · 3 obs
● 2020-03-03 16:54:48
● 2026-08-09 07:59:56
●NSns1033.ui-dns.com2020-03-03 → 2026-08-09 · 3 obs
● 2020-03-03 16:54:48
● 2026-08-09 07:59:56
●NSns1033.ui-dns.de2020-03-03 → 2026-08-09 · 3 obs
● 2020-03-03 16:54:48
● 2026-08-09 07:59:56
●NSns1033.ui-dns.org2020-03-03 → 2026-08-09 · 3 obs
● 2020-03-03 16:54:48
● 2026-08-09 07:59:56
○NSns7.schlund.de2015-06-24 → 2017-01-29 · 4 obs
● 2017-01-29 16:41:24
○ 2020-03-03 16:54:48
○ 2026-08-09 07:59:56
○NSns8.schlund.de2015-06-24 → 2017-01-29 · 4 obs
● 2017-01-29 16:41:24
○ 2020-03-03 16:54:48
○ 2026-08-09 07:59:56
●MXmx00.ionos.de2026-03-26 → 2026-08-09 · 3 obs
● 2026-03-26 06:11:00
● 2026-08-09 07:59:56
○MXmx00.schlund.de2015-06-24 → 2020-03-03 · 4 obs
● 2020-03-03 16:54:48
○ 2026-03-26 06:11:00
○ 2026-08-09 07:59:56
●MXmx01.ionos.de2026-03-26 → 2026-08-09 · 3 obs
● 2026-03-26 06:11:00
● 2026-08-09 07:59:56
○MXmx01.schlund.de2015-06-24 → 2020-03-03 · 4 obs
● 2020-03-03 16:54:48
○ 2026-03-26 06:11:00
○ 2026-08-09 07:59:56
●A217.160.0.1522026-03-26 → 2026-08-09 · 3 obs
● 2026-03-26 06:11:00
● 2026-08-09 07:59:56
○A217.160.231.1442016-04-19 → 2020-03-03 · 5 obs
● 2016-04-19 07:59:18
● 2020-03-03 16:54:48
○ 2026-03-26 06:11:00
○ 2026-08-09 07:59:56
○A82.165.92.92015-06-24 → 2016-01-18 · 4 obs
● 2016-01-18 23:18:46
○ 2016-04-19 07:59:18
○ 2026-08-09 07:59:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dbcourse.com | ns1033.ui-dns.de, ns1033.ui-dns.biz, ns1033.ui-dns.org, ns1033.ui-dns.com | 2 records |
✅ Authoritative Response
Server:217.160.82.33
NS records: ns1033.ui-dns.de, ns1033.ui-dns.biz, ns1033.ui-dns.org, ns1033.ui-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dbcourse.com (unsigned zone)
⏱️ Timing
Total: 521ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.0.152 |
| NS | 4 | ns1033.ui-dns.biz, ns1033.ui-dns.org... |
| MX | 2 | mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10) |
| TXT | 1 | v=spf1 include:_spf-eu.ionos.com ~all |
| SOA | 1 | ns1033.ui-dns.de hostmaster.schlund.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1033.ui-dns.com, ns1033.ui-dns.com)
Analysis
IP Addresses
dbcourse.com directs to one IP number, which is 217.160.0.152.
Among the host names that share IP numbers with dbcourse.com are annarour.com, royalfleet.co.uk, dewald-leuchten-studio.de and two others.
Name Servers
The domain dbcourse.com is delegated to these four name servers: ns1033.ui-dns.biz, ns1033.ui-dns.com, ns1033.ui-dns.de and ns1033.ui-dns.org.
There is at least partial name server overlap between dbcourse.com and other domains — saveyourpearls.com, moneyplaya.com, handmadebridaljewelry.com and two more among them.
These name servers tend to appear in combination with the name servers ns1080.ui-dns.biz, ns1046.ui-dns.com, ns1069.ui-dns.org and ns1017.ui-dns.com.
All four hostnames — ns1033.ui-dns.biz, ns1033.ui-dns.com, ns1033.ui-dns.de and ns1033.ui-dns.org — resolve to two IP numbers apiece: ns1033.ui-dns.biz to 185.132.33.33 and 2607:f1c0:fe:53:185:132:33:33; ns1033.ui-dns.com to 185.132.34.33 and 2607:f1c0:fe:53:185:132:34:33; ns1033.ui-dns.de to 185.132.32.33 and 2607:f1c0:fe:53:185:132:32:33; ns1033.ui-dns.org to 185.132.35.33 and 2607:f1c0:fe:53:185:132:35:33.
Mail Servers
The MX records for dbcourse.com point to two mail servers: mx00.ionos.de and mx01.ionos.de.
dbcourse.com has the same mail server arrangement as a number of other domains, for example die-zehn-gebote.info, coating-forum.de, kalameili.de and two more.
The two host names mx00.ionos.de and mx01.ionos.de each have a pair of IP addresses: mx00.ionos.de has 212.227.15.41 and 212.227.15.171, and mx01.ionos.de has 212.227.15.188 and 217.72.192.67.