bolstern.org - robtex.com
bolstern.org
org
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation | ||||||
| NS | a2.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | b0.org.afilias-nst.org | ||||||
| NS | b2.org.afilias-nst.org | ||||||
| NS | c0.org.afilias-nst.info ⚠️ Not in parent delegation | ||||||
| NS | d0.org.afilias-nst.org | ||||||
| SOA | a0.org.afilias-nst.infohostmaster@donuts.email serial=1785246229 | ||||||
Same first word
Similar names
ronsbelt.com |
betonsrl.com.ar |
benotsrl.com.ar |
bersntol.it |
brenstol.cz |
berslton.de |
lsrbeton.ru |
brenstol.ee |
benotsrl.com |
betonsrl.it |
nblstore.com.au |
DNS History
13 records (7 active, 6 former)
●NSns1121.ui-dns.biz2020-02-16 → 2026-07-28 · 3 obs
● 2020-02-16 08:47:50
● 2026-07-28 14:33:54
●NSns1121.ui-dns.com2020-02-16 → 2026-07-28 · 3 obs
● 2020-02-16 08:47:50
● 2026-07-28 14:33:54
●NSns1121.ui-dns.de2020-02-16 → 2026-07-28 · 3 obs
● 2020-02-16 08:47:50
● 2026-07-28 14:33:54
●NSns1121.ui-dns.org2020-02-16 → 2026-07-28 · 3 obs
● 2020-02-16 08:47:50
● 2026-07-28 14:33:54
○NSns15.schlund.de2015-08-20 → 2017-02-18 · 4 obs
● 2017-02-18 02:22:24
○ 2020-02-16 08:47:50
○ 2026-07-28 14:33:54
○NSns16.schlund.de2015-08-20 → 2017-02-18 · 4 obs
● 2017-02-18 02:22:24
○ 2020-02-16 08:47:50
○ 2026-07-28 14:33:54
●MXmx00.ionos.de2026-06-15 → 2026-07-28 · 3 obs
● 2026-06-15 05:55:16
● 2026-07-28 14:33:54
○MXmx00.schlund.de2015-08-20 → 2020-02-16 · 4 obs
● 2020-02-16 08:47:50
○ 2026-06-15 05:55:16
○ 2026-07-28 14:33:54
●MXmx01.ionos.de2026-06-15 → 2026-07-28 · 3 obs
● 2026-06-15 05:55:16
● 2026-07-28 14:33:54
○MXmx01.schlund.de2015-08-20 → 2020-02-16 · 4 obs
● 2020-02-16 08:47:50
○ 2026-06-15 05:55:16
○ 2026-07-28 14:33:54
●A217.160.0.2102026-06-15 → 2026-07-28 · 3 obs
● 2026-06-15 05:55:16
● 2026-07-28 14:33:54
○A217.160.231.1552016-07-02 → 2020-02-16 · 5 obs
● 2016-07-02 17:41:32
● 2020-02-16 08:47:50
○ 2026-06-15 05:55:16
○ 2026-07-28 14:33:54
○A82.165.92.1492015-08-20 → 2016-03-09 · 4 obs
● 2016-03-09 15:34:44
○ 2016-07-02 17:41:32
○ 2026-07-28 14:33:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| bolstern.org | ns1121.ui-dns.org, ns1121.ui-dns.de, ns1121.ui-dns.biz, ns1121.ui-dns.com | 2 records |
✅ Authoritative Response
Server:217.160.83.121
NS records: ns1121.ui-dns.org, ns1121.ui-dns.de, ns1121.ui-dns.biz, ns1121.ui-dns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for bolstern.org (unsigned zone)
⏱️ Timing
Total: 1881ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 217.160.0.210 |
| NS | 4 | ns1121.ui-dns.biz, ns1121.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 | ns1121.ui-dns.de hostmaster.schlund.de |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1121.ui-dns.org, ns1121.ui-dns.org)
Analysis
IP Addresses
bolstern.org has exactly one IP address — 217.160.0.210.
auditsenergetiques.com, puwer.info, flexera.nl plus two other host names have IP numbers in common with bolstern.org.
Name Servers
Four name servers handle the delegation for bolstern.org: ns1121.ui-dns.biz, ns1121.ui-dns.com, ns1121.ui-dns.de and ns1121.ui-dns.org.
There is at least partial name server overlap between bolstern.org and other domains — tucueva.com, khairatfoundation.org, buygourmet.net and two more among them.
These name servers regularly appear alongside ns1067.ui-dns.org, ns1096.ui-dns.org, ns1026.ui-dns.com and 4 other name servers in NS record sets.
All four hostnames — ns1121.ui-dns.biz, ns1121.ui-dns.com, ns1121.ui-dns.de and ns1121.ui-dns.org — resolve to two IP numbers apiece: ns1121.ui-dns.biz to 185.132.33.121 and 2607:f1c0:fe:53:185:132:33:121; ns1121.ui-dns.com to 185.132.34.121 and 2607:f1c0:fe:53:185:132:34:121; ns1121.ui-dns.de to 185.132.32.121 and 2607:f1c0:fe:53:185:132:32:121; ns1121.ui-dns.org to 185.132.35.121 and 2607:f1c0:fe:53:185:132:35:121.
Mail Servers
bolstern.org uses two mail servers, mx00.ionos.de and mx01.ionos.de.
The mail server setup of bolstern.org matches that of other domains such as frauenhaus-emden.de, docbin.net, balumech.de and two others.
Both mx00.ionos.de and mx01.ionos.de have two IP addresses each. mx00.ionos.de resolves to 212.227.15.41 and 212.227.15.171; mx01.ionos.de resolves to 212.227.15.188 and 217.72.192.67.