thw-mainz.org - robtex.com
thw-mainz.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.10.193.205🇩🇪 Hetzner85.10.192.0/18 HETZNER-RZ-NBG-BLK3 | ||||||
| PTR | thw-mainz.de | ||||||
| NS | hydrogen.ns.hetzner.com ⭐ | ||||||
| A | 2a01:4f8:0:1::add:1098🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| A | 213.133.100.98🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | hydrogen.ns.hetzner.com | ||||||
| NS | helium.ns.hetzner.de | ||||||
| A | 2001:67c:192c::add:5🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| A | 193.47.99.5🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | helium.ns.hetzner.de | ||||||
| NS | oxygen.ns.hetzner.com | ||||||
| A | 2a01:4f8:0:1::add:2992🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| A | 88.198.229.192🇩🇪 Hetzner88.198.0.0/16 HETZNER-RZ-NBG-BLK4 | ||||||
| PTR | oxygen.ns.hetzner.com | ||||||
| MX | mail.thw-mainz.org ⭐ | ||||||
| A | 85.10.193.205🇩🇪 Hetzner85.10.192.0/18 HETZNER-RZ-NBG-BLK3 | ||||||
| PTR | thw-mainz.de | ||||||
| TXT | facebook-domain-verification=qhq9l0be7o7dcfp8crjghodhi5zhn7 | ||||||
| TXT | v=spf1 ip4:85.10.193.207 ip4:85.10.208.232 ip6:2a01:4f8:a0:61c6::2 mx -all | ||||||
| SOA | hydrogen.ns.hetzner.comwebmaster@thw-mainz.de 2026-03-20 #2 | ||||||
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=1776979043 | ||||||
Subdomains
mail.thw-mainz.org |
Same first word
thw-mainz.de |
thw-mainz.org |
DNS History
9 records (5 active, 4 former)
●NShelium.ns.hetzner.de2026-03-24 → 2026-04-23 · 3 obs
● 2026-03-24 09:28:20
● 2026-04-23 21:33:52
●NShydrogen.ns.hetzner.com2026-03-24 → 2026-04-23 · 3 obs
● 2026-03-24 09:28:20
● 2026-04-23 21:33:52
○NSnsa9.schlundtech.de2015-06-11 → 2019-01-10 · 4 obs
● 2019-01-10 22:04:36
○ 2026-03-24 09:28:20
○ 2026-04-23 21:33:52
○NSnsb9.schlundtech.de2015-06-11 → 2019-01-10 · 4 obs
● 2019-01-10 22:04:36
○ 2026-03-24 09:28:20
○ 2026-04-23 21:33:52
○NSnsc9.schlundtech.de2015-06-11 → 2019-01-10 · 4 obs
● 2019-01-10 22:04:36
○ 2026-03-24 09:28:20
○ 2026-04-23 21:33:52
○NSnsd9.schlundtech.de2015-06-11 → 2019-01-10 · 4 obs
● 2019-01-10 22:04:36
○ 2026-03-24 09:28:20
○ 2026-04-23 21:33:52
●NSoxygen.ns.hetzner.com2026-03-24 → 2026-04-23 · 3 obs
● 2026-03-24 09:28:20
● 2026-04-23 21:33:52
●MXmail.thw-mainz.org2015-06-11 → 2026-04-23 · 2 obs
● 2026-04-23 21:33:52
●A85.10.193.2052015-06-11 → 2026-04-23 · 2 obs
● 2026-04-23 21:33:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org | - |
| thw-mainz.org | oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com, helium.ns.hetzner.de | - |
✅ Authoritative Response
Server:88.198.229.192
NS records: oxygen.ns.hetzner.com, hydrogen.ns.hetzner.com, helium.ns.hetzner.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for thw-mainz.org (unsigned zone)
⏱️ Timing
Total: 374ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.10.193.205 |
| NS | 3 | oxygen.ns.hetzner.com, helium.ns.hetzner.de... |
| MX | 1 | mail.thw-mainz.org (pri: 10) |
| TXT | 2 | v=spf1 ip4:85.10.193.207 ip4:85.10.208.2, facebook-domain-verification=qhq9l0be7o7 |
| SOA | 1 | hydrogen.ns.hetzner.com webmaster.thw-ma |
Analysis
Hierarchy
thw-mainz.org is the parent of mail.thw-mainz.org.
IP Addresses
thw-mainz.org resolves to a single IP: 85.10.193.205.
Other host names including thw-mainz.de, mail.thw-mainz.org and mail.thw-mainz.de share IP numbers with thw-mainz.org.
Name Servers
thw-mainz.org delegates to three name servers: hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
thw-mainz.org shares some name servers with other domains, for example uplink21.com, paranext-software.de, vogelforen.de, cheenet-manager.de and my-manage.net.
These name servers are often used together with ns1.first-ns.de, robotns3.second-ns.com and robotns2.second-ns.de.
Host names with two IP numbers:
hydrogen.ns.hetzner.com: 2a01:4f8:0:1::add:1098 and 213.133.100.98
oxygen.ns.hetzner.com: 2a01:4f8:0:1::add:2992 and 88.198.229.192
helium.ns.hetzner.de: 2001:67c:192c::add:5 and 193.47.99.5
Mail Servers
thw-mainz.org is handled by a single mail server, mail.thw-mainz.org.
Host name mail.thw-mainz.org points to IP 85.10.193.205.