nb-mail.org - robtex.com
nb-mail.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 136.243.147.126🇩🇪 Hetzner136.243.0.0/16 HETZNER-RZ-BLK-ERX3 | ||||||
| PTR | static.126.147.243.136.clients.your-server.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.elefantenmatrix.de ⭐ | ||||||
| A | 2a01:4f8:d0a:6449::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | www499.your-server.de | ||||||
| A | 188.40.218.82🇩🇪 Hetzner188.40.0.0/16 HETZNER-RZ-FKS-BLK1 | ||||||
| PTR | www499.your-server.de | ||||||
| TXT | v=spf1 mx a -all | ||||||
| SOA | ns1.first-ns.dedns@hetzner.com 2026-02-12 #0 | ||||||
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=1774476311 | ||||||
Subdomains
mail.nb-mail.org |
Same first word
Similar names
DNS History
7 records (5 active, 2 former)
●NSns1.first-ns.de2015-07-19 → 2026-03-25 · 2 obs
● 2026-03-25 22:27:36
●NSrobotns2.second-ns.de2015-07-19 → 2026-03-25 · 2 obs
● 2026-03-25 22:27:36
●NSrobotns3.second-ns.com2015-07-19 → 2026-03-25 · 2 obs
● 2026-03-25 22:27:36
●MXmail.elefantenmatrix.de2026-03-25 → 2026-03-25 · 2 obs
● 2026-03-25 22:27:36
○MXmail.nb-mail.org2015-07-19 → 2017-04-21 · 3 obs
● 2017-04-21 04:40:16
○ 2026-03-25 22:27:36
●A136.243.147.1262016-03-15 → 2026-03-25 · 3 obs
● 2016-03-15 10:44:16
● 2026-03-25 22:27:36
○A46.4.37.1142015-07-19 → 2015-11-28 · 4 obs
● 2015-11-28 08:50:22
○ 2016-03-15 10:44:16
○ 2026-03-25 22:27:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| nb-mail.org | robotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de | - |
✅ Authoritative Response
Server:213.239.242.238
NS records: robotns3.second-ns.com, robotns2.second-ns.de, ns1.first-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nb-mail.org (unsigned zone)
⏱️ Timing
Total: 883ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 136.243.147.126 |
| NS | 3 | robotns2.second-ns.de, robotns3.second-ns.com... |
| MX | 1 | mail.elefantenmatrix.de (pri: 10) |
| TXT | 1 | v=spf1 mx a -all |
| SOA | 1 | ns1.first-ns.de dns.hetzner.com |
Analysis
Hierarchy
nb-mail.org is parent of mail.nb-mail.org.
IP Addresses
nb-mail.org points to a single IP: 136.243.147.126.
Other host names such as mail.lotgd-downloads.com, static.126.147.243.136.clients.your-server.de, lotgd-downloads.com and mail.nb-mail.org share IP numbers with nb-mail.org.
Name Servers
nb-mail.org is delegated to three name servers: robotns3.second-ns.com, ns1.first-ns.de and robotns2.second-ns.de.
nb-mail.org at least partially shares its name servers with other domains, for instance entournage.com, beate-zimmermann.de, goertz-legal.com, qsensei.com and wohnungsieben.de.
These name servers are commonly used with ns03.sonderformat.ch, ns01.sonderformat.net and ns02.sonderformat.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
nb-mail.org is served by a single mail server, mail.elefantenmatrix.de.
nb-mail.org shares the same mail server setup as other domains, for instance elefantenmatrix.de.
Hostname mail.elefantenmatrix.de resolves to two IPs: 2a01:4f8:d0a:6449::2 and 188.40.218.82.