opensiem.org - robtex.com
opensiem.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 136.243.18.43🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3 | ||||||
| PTR | www.ciphron.de | ||||||
| NS | ns1.first-ns.de ⭐ | ||||||
| A | 2a01:4f8:0:a101::a:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.first-ns.de | ||||||
| A | 213.239.242.238🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns1.first-ns.de | ||||||
| NS | robotns2.second-ns.de | ||||||
| A | 2a01:4f8:0:1::5ddc:2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | robotns2.second-ns.de | ||||||
| A | 213.133.100.103🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | robotns2.second-ns.de | ||||||
| NS | robotns3.second-ns.com | ||||||
| A | 2001:67c:192c::add:a3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| A | 193.47.99.3🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | robotns3.second-ns.com | ||||||
| MX | mail.opensiem.org ⭐ | ||||||
| A | 136.243.18.43🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3 | ||||||
| PTR | www.ciphron.de | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2022-02-21 #1 | ||||||
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=1776070176 | ||||||
Subdomains
mail.opensiem.org |
Same first word
Similar names
openemis.com |
openemis.org |
openemis.net |
openisme.eu |
nesempio.com |
poimenes.org |
simponee.com |
openesim.com |
openisme.com |
semiopen.com |
DNS History
5 records (5 active, 0 former)
●NSns1.first-ns.de2015-08-09 → 2026-04-13 · 2 obs
● 2026-04-13 09:03:06
●NSrobotns2.second-ns.de2015-08-09 → 2026-04-13 · 2 obs
● 2026-04-13 09:03:06
●NSrobotns3.second-ns.com2015-08-09 → 2026-04-13 · 2 obs
● 2026-04-13 09:03:06
●MXmail.opensiem.org2015-08-09 → 2026-04-13 · 2 obs
● 2026-04-13 09:03:06
●A136.243.18.432015-08-09 → 2026-04-13 · 2 obs
● 2026-04-13 09:03:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| opensiem.org | ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com | - |
✅ Authoritative Response
Server:213.133.100.103
NS records: ns1.first-ns.de, robotns2.second-ns.de, robotns3.second-ns.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for opensiem.org (unsigned zone)
⏱️ Timing
Total: 793ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 136.243.18.43 |
| NS | 3 | robotns3.second-ns.com, ns1.first-ns.de... |
| MX | 1 | mail.opensiem.org (pri: 10) |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
opensiem.org is parent of mail.opensiem.org.
IP Addresses
opensiem.org points to a single IP: 136.243.18.43.
Other host names, for instance ciphon.de, mail.synack.de, synack.de, secublog.de and ciphron.net share IP numbers with opensiem.org.
Name Servers
opensiem.org is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
opensiem.org at least partially shares its name servers with other domains, for instance skhgmbh.de, wildnis-camp-schweden.de, belthazor.de, u-playonline.com and dorfwiki.org.
Host names with two IP numbers:
robotns3.second-ns.com points to: 2001:67c:192c::add:a3 and 193.47.99.3.
ns1.first-ns.de points to: 2a01:4f8:0:a101::a:1 and 213.239.242.238.
robotns2.second-ns.de points to: 2a01:4f8:0:1::5ddc:2 and 213.133.100.103.
Mail Servers
opensiem.org is served by a single mail server, mail.opensiem.org.
mail.opensiem.org points to IP number 136.243.18.43.