dreher-group.com - robtex.com
dreher-group.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 153.92.196.214🇩🇪 MITTWALD-AS153.92.192.0/20 Mittwald CM Service GmbH und Co. KG | ||||||
| PTR | r17718.agenturserver.it | ||||||
| NS | auth02.ns.td-fn.net ⭐ | ||||||
| A | 2a02:590:1:1::130🇩🇪 TELEDATA-AS2a02:590::/29 DE-TELEDATA-20080703 | ||||||
| PTR | auth02.ns.td-fn.net | ||||||
| A | 217.24.194.130🇩🇪 TELEDATA-AS217.24.192.0/20 DE-TELEDATA-20011009 | ||||||
| PTR | auth02.ns.td-fn.net | ||||||
| NS | auth01.ns.td-fn.net | ||||||
| A | 2a02:2e0:401:7e1e:da7a::a🇩🇪 PLUSLINE2a02:2e0::/29 Plus.line AG | ||||||
| PTR | auth01.ns.td-fn.net | ||||||
| A | 82.98.67.141🇩🇪 PLUSLINE82.98.64.0/18 Plus.line AG | ||||||
| PTR | auth01.ns.td-fn.net | ||||||
| MX | mail2.dreher-group.com ⭐ | ||||||
| A | 217.91.191.206🇩🇪 DTAG217.80.0.0/12 Deutsche Telekom AG, Internet service provider | ||||||
| PTR | mail2.dreher-group.com | ||||||
| MX | mail.dreher-group.com(20) | ||||||
| A | 212.62.202.147🇩🇪 TELEDATA-AS212.62.192.0/19 DE-TELEDATA-980821 | ||||||
| PTR | mail.dreher-group.com | ||||||
| TXT | v=spf1 a mx ip4:212.62.202.144/29 include:emailsrvr.com include:spf.mandrilla... | ||||||
| TXT | logmein-verification-code=a9a9631f-f7a5-4e78-aafe-53ba6650c544 | ||||||
| SOA | auth02.ns.td-fn.nethostmaster@td-fn.net 2026-03-21 #1 | ||||||
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=1785471847 | ||||||
Subdomains
Same first word
dreher-group.com |
dreher-group.de |
DNS History
5 records (5 active, 0 former)
●NSauth01.ns.td-fn.net2026-02-16 → 2026-07-31 · 2 obs
● 2026-07-31 04:39:16
●NSauth02.ns.td-fn.net2026-02-16 → 2026-07-31 · 2 obs
● 2026-07-31 04:39:16
●MXmail.dreher-group.com2026-02-16 → 2026-07-31 · 2 obs
● 2026-07-31 04:39:16
●MXmail2.dreher-group.com2026-02-16 → 2026-07-31 · 2 obs
● 2026-07-31 04:39:16
●A153.92.196.2142026-02-16 → 2026-07-31 · 2 obs
● 2026-07-31 04:39:16
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| dreher-group.com | auth01.ns.td-fn.net, auth02.ns.td-fn.net | - |
✅ Authoritative Response
Server:217.24.194.130
NS records: auth01.ns.td-fn.net, auth02.ns.td-fn.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dreher-group.com (unsigned zone)
⏱️ Timing
Total: 548ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 153.92.196.214 |
| NS | 2 | auth02.ns.td-fn.net, auth01.ns.td-fn.net |
| MX | 2 | mail.dreher-group.com (pri: 10), mail2.dreher-group.com (pri: 20) |
| TXT | 2 | v=spf1 a mx ip4:212.62.202.144/29 includ, logmein-verification-code=a9a9631f-f7a5- |
| SOA | 1 | auth02.ns.td-fn.net hostmaster.td-fn.net |
Analysis
Hierarchy
mail.dreher-group.com and mail2.dreher-group.com each fall under dreher-group.com as their parent domain.
IP Addresses
dreher-group.com resolves to just one IP address, 153.92.196.214.
Two other host names, along with r17718.agenturserver.it, www.musikverein-orsingen.de and joos-holzbau.de, also share IP numbers with dreher-group.com.
Name Servers
DNS delegation for dreher-group.com points to two name servers: auth01.ns.td-fn.net and auth02.ns.td-fn.net.
dreher-group.com shares its NS records with other domains, for example messe-aero.com, kumavision.de, gatc-biotech.com and two others.
There is at least partial name server overlap between dreher-group.com and other domains — varta-microbattery.co.kr, i-live-frankfurt.de, varta-consumer.it and two more among them.
These name servers frequently co-occur with the name servers ans1.arcos.de and mtudns.mtu-friedrichshafen.com.
auth01.ns.td-fn.net directs to 82.98.67.141 and 2a02:2e0:401:7e1e:da7a::a. auth02.ns.td-fn.net directs to 217.24.194.130 and 2a02:590:1:1::130. Each host name carries two IP addresses.
Mail Servers
dreher-group.com is served by two mail servers, mail2.dreher-group.com and mail.dreher-group.com.
mail2.dreher-group.com → 217.91.191.206 and mail.dreher-group.com → 212.62.202.147: one IP number per host name.