sshtutorial.de - robtex.com
sshtutorial.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2001:7d8:8006::7013🇩🇪 TMR2001:7d8::/32 DE-TMR-20040604 TMR Telekommunikation Mittleres Ruhrgebiet GmbH | ||||||
| A | 212.23.136.101🇩🇪 TMR212.23.128.0/19 GFR-NET | ||||||
| NS | ns81.domaincontrol.com ⭐ | ||||||
| A | 97.74.101.32🇺🇸 GODADDY-DNS97.74.100.0/23 | ||||||
| PTR | ns61.domaincontrol.com | ||||||
| NS | ns82.domaincontrol.com | ||||||
| A | 173.201.69.32🇺🇸 GODADDY-DNS173.201.68.0/23 | ||||||
| PTR | ns62.domaincontrol.com | ||||||
| MX | mx1.nethold.de ⭐ | ||||||
| A | 2001:7d8:8006::115🇩🇪 TMR2001:7d8::/32 DE-TMR-20040604 TMR Telekommunikation Mittleres Ruhrgebiet GmbH | ||||||
| PTR | mx1.nethold.de | ||||||
| A | 212.23.136.115🇩🇪 TMR212.23.128.0/19 GFR-NET | ||||||
| PTR | mx1.nethold.de | ||||||
| MX | mx2.nethold.de(200) | ||||||
| A | 2001:7d8:8006::116🇩🇪 TMR2001:7d8::/32 DE-TMR-20040604 TMR Telekommunikation Mittleres Ruhrgebiet GmbH | ||||||
| PTR | mx2.nethold.de | ||||||
| A | 212.23.136.116🇩🇪 TMR212.23.128.0/19 GFR-NET | ||||||
| PTR | mx2.nethold.de | ||||||
| TXT | v=spf1 mx ip4:212.23.136.100 ip6:2001:7d8:8006::100 -all | ||||||
| SOA | ns81.domaincontrol.comdns@jomax.net 2025-08-05 #10 | ||||||
de
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | f.nic.de ⭐ | ||||||
| NS | a.nic.de | ||||||
| NS | l.de.net ⚠️ Not in parent delegation | ||||||
| NS | n.de.net ⚠️ Not in parent delegation | ||||||
| NS | s.de.net ⚠️ Not in parent delegation | ||||||
| NS | z.nic.de | ||||||
| SOA | f.nic.dedns-operations@denic.de serial=1794667195 | ||||||
Same first word
sshtutorial.de |
sshtutorial.com |
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hstutorials.net |
Previous names
Next names
DNS History
10 records (6 active, 4 former)
○NSns.namespace4you.de2015-05-19 → 2017-09-27 · 4 obs
● 2017-09-27 15:07:30
○ 2026-08-28 08:45:04
○ 2026-11-14 15:27:44
○NSns2.namespace4you.de2015-05-19 → 2017-09-27 · 4 obs
● 2017-09-27 15:07:30
○ 2026-08-28 08:45:04
○ 2026-11-14 15:27:44
●NSns81.domaincontrol.com2026-08-28 → 2026-11-14 · 3 obs
● 2026-08-28 08:45:04
● 2026-11-14 15:27:44
●NSns82.domaincontrol.com2026-08-28 → 2026-11-14 · 3 obs
● 2026-08-28 08:45:04
● 2026-11-14 15:27:44
○MXmail.nethold.de2015-05-19 → 2017-09-27 · 4 obs
● 2017-09-27 15:07:30
○ 2026-08-28 08:45:04
○ 2026-11-14 15:27:44
●MXmx1.nethold.de2026-08-28 → 2026-11-14 · 3 obs
● 2026-08-28 08:45:04
● 2026-11-14 15:27:44
●MXmx2.nethold.de2026-08-28 → 2026-11-14 · 3 obs
● 2026-08-28 08:45:04
● 2026-11-14 15:27:44
●A2001:7d8:8006::70132026-08-28 → 2026-11-14 · 3 obs
● 2026-08-28 08:45:04
● 2026-11-14 15:27:44
●A212.23.136.1012015-05-19 → 2026-11-14 · 6 obs
● 2016-03-25 19:49:40
○ 2016-08-14 06:20:04
○ 2017-09-27 15:07:30
● 2026-08-28 08:45:04
● 2026-11-14 15:27:44
○A212.23.136.1172016-08-14 → 2017-09-27 · 5 obs
● 2016-08-14 06:20:04
● 2017-09-27 15:07:30
○ 2026-08-28 08:45:04
○ 2026-11-14 15:27:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| sshtutorial.de | ns81.domaincontrol.com, ns82.domaincontrol.com | - |
✅ Authoritative Response
Server:173.201.69.32
NS records: ns81.domaincontrol.com, ns82.domaincontrol.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
Root DNSKEY fetch failed: Error: connect EADDRNOTAVAIL 198.41.0.4:53 - Local (0.0.0.0:0)
⏱️ Timing
Total: 468ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 212.23.136.101 |
| AAAA | 1 | 2001:7d8:8006::7013 |
| NS | 2 | ns81.domaincontrol.com, ns82.domaincontrol.com |
| MX | 2 | mx1.nethold.de (pri: 100), mx2.nethold.de (pri: 200) |
| TXT | 1 | v=spf1 mx ip4:212.23.136.100 ip6:2001:7d |
| SOA | 1 | ns81.domaincontrol.com dns.jomax.net |
Analysis
IP Addresses
sshtutorial.de points to the IP addresses 212.23.136.101 and 2001:7d8:8006::7013
beraten-entwickeln-steuern.de, dynerp.net, backtaxi.de plus two other host names have IP numbers in common with sshtutorial.de.
Name Servers
The NS records for sshtutorial.de delegate to ns81.domaincontrol.com and ns82.domaincontrol.com.
The name server configuration of sshtutorial.de is shared with other domains, for instance worldwidewood.it, sonnenschutz-riese.de, acquadueoplus.it and two others.
ns81.domaincontrol.com → 97.74.101.32 and ns82.domaincontrol.com → 173.201.69.32: one IP number per host name.
Mail Servers
sshtutorial.de uses two mail servers, mx1.nethold.de and mx2.nethold.de.
The mail server setup of sshtutorial.de matches that of other domains such as perplex-music.info, agentur-tas.de, lan-sport.org and two others.
At least some of the mail servers used by sshtutorial.de are shared with other domains: backhaus-witten.de, 1events.de, backtaxi.de and two others among them.
These mail servers are routinely seen in conjunction with the mail servers mailstore1.secureserver.net and smtp.secureserver.net.
mx1.nethold.de resolves to 212.23.136.115 and 2001:7d8:8006::115. Likewise, mx2.nethold.de resolves to 212.23.136.116 and 2001:7d8:8006::116 — two IP addresses apiece.