tessmann.dev - dns.ninja
tessmann.dev
dev
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns-tld1.charlestonroadregistry.com ⭐ | ||||||
| NS | ns-tld2.charlestonroadregistry.com | ||||||
| NS | ns-tld3.charlestonroadregistry.com | ||||||
| NS | ns-tld4.charlestonroadregistry.com | ||||||
| NS | ns-tld5.charlestonroadregistry.com | ||||||
| SOA | ns-tld1.charlestonroadregistry.comcloud-dns-hostmaster@google.com serial=1 | ||||||
Subdomains
Same first word
tessmann.it |
tessmann.de |
tessmann.cloudns.pro |
tessmann.info |
tessmann.email |
tessmann.com.br |
tessmann.net |
tessmann.dev |
Similar names
DNS History
16 records (6 active, 10 former)
●NShelium.ns.hetzner.de2026-03-18 → 2026-07-11 · 3 obs
● 2026-03-18 04:22:34
● 2026-07-11 19:28:52
●NShydrogen.ns.hetzner.com2026-03-18 → 2026-07-11 · 3 obs
● 2026-03-18 04:22:34
● 2026-07-11 19:28:52
○NSns1.first-ns.de2026-02-18 → 2026-03-13 · 4 obs
● 2026-03-13 09:39:30
○ 2026-03-18 04:22:34
○ 2026-07-11 19:28:52
○NSns1.tessmann.dev2026-02-18 → 2026-03-13 · 4 obs
● 2026-03-13 09:39:30
○ 2026-03-18 04:22:34
○ 2026-07-11 19:28:52
●NSoxygen.ns.hetzner.com2026-03-18 → 2026-07-11 · 3 obs
● 2026-03-18 04:22:34
● 2026-07-11 19:28:52
○NSrobotns2.second-ns.de2026-02-18 → 2026-03-13 · 4 obs
● 2026-03-13 09:39:30
○ 2026-03-18 04:22:34
○ 2026-07-11 19:28:52
○NSrobotns3.second-ns.com2026-02-18 → 2026-03-13 · 4 obs
● 2026-03-13 09:39:30
○ 2026-03-18 04:22:34
○ 2026-07-11 19:28:52
○NStessmann.dev.tessmann.dev2026-02-18 → 2026-03-13 · 4 obs
● 2026-03-13 09:39:30
○ 2026-03-18 04:22:34
○ 2026-07-11 19:28:52
●MXmail.tessmann-digital.de2026-04-08 → 2026-07-11 · 3 obs
● 2026-04-08 17:30:34
● 2026-07-11 19:28:52
○MXmail.tessmann.dev2026-02-18 → 2026-03-29 · 4 obs
● 2026-03-29 07:43:26
○ 2026-04-08 17:30:34
○ 2026-07-11 19:28:52
●MXmail2.tessmann-digital.de2026-04-08 → 2026-07-11 · 3 obs
● 2026-04-08 17:30:34
● 2026-07-11 19:28:52
○MXmail2.tessmann.dev2026-02-18 → 2026-03-29 · 4 obs
● 2026-03-29 07:43:26
○ 2026-04-08 17:30:34
○ 2026-07-11 19:28:52
○A109.230.228.1962026-02-18 → 2026-02-18 · 3 obs
○ 2026-02-28 11:43:18
○ 2026-07-11 19:28:52
○A157.90.15.1872026-02-28 → 2026-04-14 · 5 obs
● 2026-02-28 11:43:18
● 2026-04-14 21:39:50
○ 2026-04-17 20:55:10
○ 2026-07-11 19:28:52
●A167.235.185.512026-04-17 → 2026-07-11 · 3 obs
● 2026-04-17 20:55:10
● 2026-07-11 19:28:52
○A2a03:4000:20:121:2222::252026-02-18 → 2026-03-13 · 4 obs
● 2026-03-13 09:39:30
○ 2026-03-18 04:22:34
○ 2026-07-11 19:28:52
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| dev | ns-tld1.charlestonroadregistry.com, ns-tld2.charlestonroadregistry.com, ns-tld3.charlestonroadregistry.com, ns-tld4.charlestonroadregistry.com... | - |
| tessmann.dev | 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 tessmann.dev (unsigned zone)
⏱️ Timing
Total: 1647ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 167.235.185.51 |
| NS | 3 | helium.ns.hetzner.de, hydrogen.ns.hetzner.com... |
| MX | 2 | mail.tessmann-digital.de (pri: 10), mail2.tessmann-digital.de (pri: 10) |
| TXT | 1 | v=spf1 +a +mx +a:mail.tessmann-digital.d |
| SOA | 1 | hydrogen.ns.hetzner.com dns.hetzner.com |
Analysis
Hierarchy
tessmann.dev is a parent domain, with mail.tessmann.dev, ns1.tessmann.dev and mail2.tessmann.dev beneath it.
IP Addresses
tessmann.dev has exactly one IP address — 167.235.185.51.
Name Servers
tessmann.dev carries NS records delegating to hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de.
tessmann.dev has at least partial name server overlap with other domains, such as kerenbach.eu, lgn.bio, rindula.de and two others.
ns1.first-ns.de, robotns3.second-ns.com and robotns2.second-ns.de — plus 3 other name servers — are commonly paired with these name servers.
hydrogen.ns.hetzner.com, oxygen.ns.hetzner.com and helium.ns.hetzner.de are three hostnames that each resolve to a pair of IP addresses: hydrogen.ns.hetzner.com to 213.133.100.98 and 2a01:4f8:0:1::add:1098, oxygen.ns.hetzner.com to 88.198.229.192 and 2a01:4f8:0:1::add:2992, and helium.ns.hetzner.de to 193.47.99.5 and 2001:67c:192c::add:5.
Mail Servers
tessmann.dev uses two mail servers, mail2.tessmann-digital.de and mail.tessmann-digital.de.
mail2.tessmann-digital.de and mail.tessmann-digital.de both carry two IP addresses. The A records for mail2.tessmann-digital.de are 89.58.34.227 and 2a03:4000:64:704:48da:53ff:fe2e:a0ef; the A records for mail.tessmann-digital.de are 167.235.185.24 and 2a03:4000:20:121:2222::11.