lehrertools.com - robtex.com
lehrertools.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.13.135.4🇩🇪 NMM-AS85.13.135.0/24 Neue Medien Muennich | ||||||
| PTR | dd12830.kasserver.com | ||||||
| NS | ns5.kasserver.com ⭐ | ||||||
| A | 85.13.128.3🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich | ||||||
| PTR | ns5.kasserver.com | ||||||
| NS | ns6.kasserver.com | ||||||
| A | 85.13.159.101🇩🇪 NMM-AS85.13.159.0/24 Neue Medien Muennich | ||||||
| PTR | ns6.kasserver.com | ||||||
| MX | w01d6b9b.kasserver.com ⭐ | ||||||
| A | 85.13.135.4🇩🇪 NMM-AS85.13.135.0/24 Neue Medien Muennich | ||||||
| PTR | dd12830.kasserver.com | ||||||
| TXT | v=spf1 a mx include:spf.kasserver.com ~all | ||||||
| SOA | ns5.kasserver.comhostmaster@kasserver.com serial=2603190026 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1771291435 | ||||||
Same first word
lehrertools.com |
lehrertools.ch |
Similar names
DNS History
9 records (4 active, 5 former)
○NSns1.sedoparking.com2015-05-21 → 2016-09-10 · 4 obs
● 2016-09-10 02:17:08
○ 2017-04-03 09:29:40
○ 2026-03-23 11:22:54
○NSns2.sedoparking.com2015-05-21 → 2016-09-10 · 4 obs
● 2016-09-10 02:17:08
○ 2017-04-03 09:29:40
○ 2026-03-23 11:22:54
●NSns5.kasserver.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 11:22:54
●NSns6.kasserver.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 11:22:54
○MXlocalhost2016-09-10 → 2016-09-10 · 4 obs
● 2016-09-10 02:17:08
○ 2017-04-03 09:29:40
○ 2026-03-23 11:22:54
○MXmail.nickstel.com2015-05-21 → 2016-04-10 · 4 obs
● 2016-04-10 21:12:58
○ 2016-09-10 02:17:08
○ 2026-03-23 11:22:54
●MXw01d6b9b.kasserver.com2026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 11:22:54
○A72.52.4.912015-05-21 → 2016-09-10 · 4 obs
● 2016-09-10 02:17:08
○ 2017-04-03 09:29:40
○ 2026-03-23 11:22:54
●A85.13.135.42026-03-23 → 2026-03-23 · 2 obs
● 2026-03-23 11:22:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| lehrertools.com | ns5.kasserver.com, ns6.kasserver.com | 2 records |
✅ Authoritative Response
Server:85.13.159.101
NS records: ns5.kasserver.com, ns6.kasserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for lehrertools.com (unsigned zone)
⏱️ Timing
Total: 489ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.135.4 |
| NS | 2 | ns5.kasserver.com, ns6.kasserver.com |
| MX | 1 | w01d6b9b.kasserver.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.kasserver.com ~a |
| SOA | 1 | ns5.kasserver.com hostmaster.kasserver.c |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns5.kasserver.com, ns6.kasserver.com)
Analysis
IP Addresses
lehrertools.com points to a single IP: 85.13.135.4.
Other host names, for instance w0092cff.kasserver.com, w01d702e.kasserver.com, hostmaster.schwabenwelt.de, a-c-b.de and stuckmayer.de share IP numbers with lehrertools.com.
Name Servers
lehrertools.com's delegation is to two name servers ns5.kasserver.com and ns6.kasserver.com.
lehrertools.com shares the same name server configuration as other domains, such as da-software.de, echinger-fachbetriebe.de, blumengerm.at, nagel-natursteine.de and tauber-leipzig.com.
lehrertools.com at least partially shares its name servers with other domains, for instance unternehmermarke.de, kfo-elbvororte.de, abendmode.de, schaakeandfriends.de and sicuplus.de.
these name servers are commonly used together with a-dns-service.de, ns3.kas-dns-server.de, ns3.ai-dns.de and ns5.name-server-kas.de.
Host names with a single IP:
ns5.kasserver.com resolves to 85.13.128.3.
ns6.kasserver.com resolves to 85.13.159.101.
Mail Servers
lehrertools.com is served by a single mail server, w01d6b9b.kasserver.com.
w01d6b9b.kasserver.com points to IP number 85.13.135.4.