thinkfirst.de - dns.ninja
thinkfirst.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=1783215256 | ||||||
Same first word
thinkfirst.de |
thinkfirst.com.au |
thinkfirst.co |
thinkfirst.technology |
thinkfirst.ca |
thinkfirst.org |
thinkfirst.co.uk |
Similar names
DNS History
18 records (8 active, 10 former)
○NSns-de.1and1-dns.biz2015-05-09 → 2017-05-24 · 4 obs
● 2017-05-24 10:45:56
○ 2026-05-20 10:51:28
○ 2026-07-05 01:55:12
○NSns-de.1and1-dns.com2015-05-09 → 2017-05-24 · 4 obs
● 2017-05-24 10:45:56
○ 2026-05-20 10:51:28
○ 2026-07-05 01:55:12
○NSns-de.1and1-dns.de2015-05-09 → 2017-05-24 · 4 obs
● 2017-05-24 10:45:56
○ 2026-05-20 10:51:28
○ 2026-07-05 01:55:12
○NSns-de.1and1-dns.org2015-05-09 → 2017-05-24 · 4 obs
● 2017-05-24 10:45:56
○ 2026-05-20 10:51:28
○ 2026-07-05 01:55:12
●NSns1116.ui-dns.biz2026-05-20 → 2026-07-05 · 3 obs
● 2026-05-20 10:51:28
● 2026-07-05 01:55:12
●NSns1116.ui-dns.com2026-05-20 → 2026-07-05 · 3 obs
● 2026-05-20 10:51:28
● 2026-07-05 01:55:12
●NSns1116.ui-dns.de2026-05-20 → 2026-07-05 · 3 obs
● 2026-05-20 10:51:28
● 2026-07-05 01:55:12
●NSns1116.ui-dns.org2026-05-20 → 2026-07-05 · 3 obs
● 2026-05-20 10:51:28
● 2026-07-05 01:55:12
●MXmx00.ionos.de2026-05-20 → 2026-07-05 · 3 obs
● 2026-05-20 10:51:28
● 2026-07-05 01:55:12
○MXmx00.kundenserver.de2015-05-09 → 2017-05-24 · 4 obs
● 2017-05-24 10:45:56
○ 2026-05-20 10:51:28
○ 2026-07-05 01:55:12
●MXmx01.ionos.de2026-05-20 → 2026-07-05 · 3 obs
● 2026-05-20 10:51:28
● 2026-07-05 01:55:12
○MXmx01.kundenserver.de2015-05-09 → 2017-05-24 · 4 obs
● 2017-05-24 10:45:56
○ 2026-05-20 10:51:28
○ 2026-07-05 01:55:12
○A2001:8d8:1000:5087:f208:172:fc10:c8542015-05-09 → 2016-04-10 · 4 obs
● 2016-04-10 09:49:52
○ 2016-09-21 11:21:26
○ 2026-07-05 01:55:12
○A2001:8d8:1000:5087:fbe2:e066:d86f:289d2016-09-21 → 2017-05-24 · 5 obs
● 2016-09-21 11:21:26
● 2017-05-24 10:45:56
○ 2026-05-20 10:51:28
○ 2026-07-05 01:55:12
●A2001:8d8:100f:f000::2502026-05-20 → 2026-07-05 · 3 obs
● 2026-05-20 10:51:28
● 2026-07-05 01:55:12
●A217.160.0.2192026-05-20 → 2026-07-05 · 3 obs
● 2026-05-20 10:51:28
● 2026-07-05 01:55:12
○A217.160.231.2532016-09-21 → 2017-05-24 · 5 obs
● 2016-09-21 11:21:26
● 2017-05-24 10:45:56
○ 2026-05-20 10:51:28
○ 2026-07-05 01:55:12
○A82.165.115.622015-05-09 → 2016-04-10 · 4 obs
● 2016-04-10 09:49:52
○ 2016-09-21 11:21:26
○ 2026-07-05 01:55:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | z.nic.de, f.nic.de, a.nic.de | - |
| thinkfirst.de | ns1116.ui-dns.biz, ns1116.ui-dns.org, ns1116.ui-dns.de, ns1116.ui-dns.com | - |
✅ Authoritative Response
Server:217.160.82.116
NS records: ns1116.ui-dns.biz, ns1116.ui-dns.org, ns1116.ui-dns.de, ns1116.ui-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thinkfirst.de (unsigned zone)
⏱️ Timing
Total: 1690ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.0.219 |
| AAAA | 1 | 2001:8d8:100f:f000::250 |
| NS | 4 | ns1116.ui-dns.biz, ns1116.ui-dns.com... |
| MX | 2 | mx00.ionos.de (pri: 10), mx01.ionos.de (pri: 10) |
| TXT | 1 | v=spf1 include:_spf-eu.ionos.com ~all |
| SOA | 1 | ns1116.ui-dns.de hostmaster.kundenserver |
Analysis
IP Addresses
thinkfirst.de points to the IP addresses 217.160.0.219 and 2001:8d8:100f:f000::250
Two other host names, along with intereuropeag.eu, benro.at and lamoinsbonnedetescopines.fr, also share IP numbers with thinkfirst.de.
Name Servers
The NS records for thinkfirst.de point to four name servers: ns1116.ui-dns.biz, ns1116.ui-dns.com, ns1116.ui-dns.de and ns1116.ui-dns.org.
The name servers of thinkfirst.de overlap at least partially with those of other domains — among them ergon-sport.com, proyecciondepoliuretano.com, making-money.de and two more.
These name servers commonly appear in delegations together with ns1021.ui-dns.biz, ns1089.ui-dns.com, ns1080.ui-dns.org and 4 other.
Each of the four hosts ns1116.ui-dns.biz, ns1116.ui-dns.com, ns1116.ui-dns.de and ns1116.ui-dns.org has two IP addresses. ns1116.ui-dns.biz points to 217.160.81.116 and 2001:8d8:fe:53:0:d9a0:5174:100. ns1116.ui-dns.com points to 217.160.82.116 and 2001:8d8:fe:53:0:d9a0:5274:100. ns1116.ui-dns.de points to 217.160.80.116 and 2607:f1c0:fe:53:185:132:32:116. ns1116.ui-dns.org points to 217.160.83.116 and 2001:8d8:fe:53:0:d9a0:5374:100.
Mail Servers
thinkfirst.de is served by two mail servers, mx00.ionos.de and mx01.ionos.de.
Among the domains sharing a mail server setup with thinkfirst.de are borsu.com, gewo-events.de, dachdecker-scheller.de and two others.
Both mx00.ionos.de and mx01.ionos.de have a single IP address each — mx00.ionos.de resolves to 212.227.15.41 while mx01.ionos.de resolves to 217.72.192.67.