ostergruss.com - robtex.com
ostergruss.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 84.38.66.139🇩🇪 ISPONE84.38.64.0/21 | ||||||
| PTR | vserver3546.vserver-on.de | ||||||
| NS | dns1.ispone-business.de ⭐ | ||||||
| A | 2a00:5080:4:1::2🇩🇪 ISPONE2a00:5080::/32 | ||||||
| PTR | dns2.ispone-business.de | ||||||
| A | 84.38.79.92🇩🇪 ISPONE84.38.78.0/23 | ||||||
| PTR | server92.vserver-on.de | ||||||
| NS | dns2.ispone-business.de | ||||||
| A | 2a00:5080:4:2::2🇩🇪 ISPONE2a00:5080::/32 | ||||||
| PTR | dns1.ispone-business.de | ||||||
| A | 84.38.64.92🇩🇪 ISPONE84.38.64.0/21 | ||||||
| MX | mail.ostergruss.com ⭐ | ||||||
| A | 84.38.66.139🇩🇪 ISPONE84.38.64.0/21 | ||||||
| PTR | vserver3546.vserver-on.de | ||||||
| SOA | dns1.ispone-business.dehostmaster@ispone-business.de 2024-03-28 #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=1774686097 | ||||||
Subdomains
mail.ostergruss.com |
Same first word
ostergruss.com |
DNS History
10 records (4 active, 6 former)
●NSdns1.ispone-business.de2026-03-04 → 2026-03-28 · 3 obs
● 2026-03-04 02:53:28
● 2026-03-28 08:39:06
○NSdns1.name-services.com2016-04-28 → 2016-04-28 · 3 obs
○ 2016-05-19 08:05:16
○ 2026-03-28 08:39:06
●NSdns2.ispone-business.de2026-03-04 → 2026-03-28 · 3 obs
● 2026-03-04 02:53:28
● 2026-03-28 08:39:06
○NSdns2.name-services.com2016-04-28 → 2016-04-28 · 3 obs
○ 2016-05-19 08:05:16
○ 2026-03-28 08:39:06
○NSdns3.name-services.com2016-04-28 → 2016-04-28 · 3 obs
○ 2016-05-19 08:05:16
○ 2026-03-28 08:39:06
○NSdns4.name-services.com2016-04-28 → 2016-04-28 · 3 obs
○ 2016-05-19 08:05:16
○ 2026-03-28 08:39:06
○NSdns5.name-services.com2016-04-28 → 2016-04-28 · 3 obs
○ 2016-05-19 08:05:16
○ 2026-03-28 08:39:06
●MXmail.ostergruss.com2026-03-04 → 2026-03-28 · 2 obs
● 2026-03-28 08:39:06
●A84.38.66.1392026-03-04 → 2026-03-28 · 3 obs
● 2026-03-04 02:53:28
● 2026-03-28 08:39:06
○A98.124.243.402016-04-28 → 2016-04-28 · 3 obs
○ 2016-05-19 08:05:16
○ 2026-03-28 08:39:06
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| ostergruss.com | dns1.ispone-business.de, dns2.ispone-business.de | - |
✅ Authoritative Response
Server:84.38.64.92
NS records: dns1.ispone-business.de, dns2.ispone-business.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for ostergruss.com (unsigned zone)
⏱️ Timing
Total: 599ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 84.38.66.139 |
| NS | 2 | dns1.ispone-business.de, dns2.ispone-business.de |
| MX | 1 | mail.ostergruss.com (pri: 10) |
| SOA | 1 | dns1.ispone-business.de hostmaster.ispon |
Analysis
Hierarchy
ostergruss.com is a parent of mail.ostergruss.com.
IP Addresses
ostergruss.com points to a single IP address: 84.38.66.139.
Other host names such as baerio.com, 66.139.baercloud.com, 139.baercloud.com, baercloud.com and vserver3546.vserver-on.de share IP numbers with ostergruss.com.
Name Servers
ostergruss.com is delegated to two name servers: dns1.ispone-business.de and dns2.ispone-business.de.
ostergruss.com uses the same name server setup as other domains, including 175.64.38.84.in-addr.arpa, 9.64.38.84.in-addr.arpa, 30.64.38.84.in-addr.arpa, 136.66.38.84.in-addr.arpa and 53.78.38.84.in-addr.arpa.
At least part of the name servers for ostergruss.com are shared with other domains, for instance 67.38.84.in-addr.arpa, 0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.4.2.0.0.a.b.b.b.0.8.0.5.0.0.a.2.ip6.arpa, 3.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.b.a.0.0.1.0.0.0.0.8.0.5.0.0.a.2.ip6.arpa, 64.38.84.in-addr.arpa and ruthpfauforum.ch.
These name servers are often used together with dns1.serverflex.de, dns1-ipv6.ispone-business.de and dns2-ipv6.ispone-business.de.
Host names with two IP numbers:
dns1.ispone-business.de points to 2a00:5080:4:1::2 and 84.38.79.92.
dns2.ispone-business.de points to 2a00:5080:4:2::2 and 84.38.64.92.
Mail Servers
The mail server for ostergruss.com is mail.ostergruss.com.
Host mail.ostergruss.com points to IP 84.38.66.139.