web-opac.de - robtex.com
web-opac.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.13.148.29🇩🇪 NMM-AS85.13.148.0/24 Neue Medien Muennich | ||||||
| PTR | dd29900.kasserver.com | ||||||
| NS | ns3.kasserver.com ⭐ | ||||||
| A | 85.13.128.2🇩🇪 NMM-AS85.13.128.0/24 Neue Medien Muennich | ||||||
| PTR | ns3.kasserver.com | ||||||
| NS | ns4.kasserver.com | ||||||
| A | 85.13.140.2🇩🇪 NMM-AS85.13.140.0/24 Neue Medien Muennich | ||||||
| PTR | ns4.kasserver.com | ||||||
| MX | wede.kasserver.com ⭐ | ||||||
| A | 85.13.148.29🇩🇪 NMM-AS85.13.148.0/24 Neue Medien Muennich | ||||||
| PTR | dd29900.kasserver.com | ||||||
| TXT | v=spf1 a mx include:spf.kasserver.com ~all | ||||||
| SOA | ns3.kasserver.comhostmaster@kasserver.com serial=2602261132 | ||||||
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=1775157861 | ||||||
Subdomains
mail.web-opac.de |
Same first word
Similar names
DNS History
6 records (4 active, 2 former)
●NSns3.kasserver.com2015-07-01 → 2026-04-02 · 2 obs
● 2026-04-02 19:25:42
●NSns4.kasserver.com2015-07-01 → 2026-04-02 · 2 obs
● 2026-04-02 19:25:42
○MXmail.web-opac.de2015-07-01 → 2016-07-04 · 4 obs
● 2016-07-04 17:18:02
○ 2026-03-24 10:43:36
○ 2026-04-02 19:25:42
●MXwede.kasserver.com2026-03-24 → 2026-04-02 · 3 obs
● 2026-03-24 10:43:36
● 2026-04-02 19:25:42
○A85.13.143.1452015-07-01 → 2016-07-04 · 4 obs
● 2016-07-04 17:18:02
○ 2026-03-24 10:43:36
○ 2026-04-02 19:25:42
●A85.13.148.292026-03-24 → 2026-04-02 · 3 obs
● 2026-03-24 10:43:36
● 2026-04-02 19:25:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| web-opac.de | ns3.kasserver.com, ns4.kasserver.com | - |
✅ Authoritative Response
Server:85.13.140.2
NS records: ns3.kasserver.com, ns4.kasserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for web-opac.de (unsigned zone)
⏱️ Timing
Total: 259ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.148.29 |
| NS | 2 | ns3.kasserver.com, ns4.kasserver.com |
| MX | 1 | wede.kasserver.com (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.kasserver.com ~a |
| SOA | 1 | ns3.kasserver.com hostmaster.kasserver.c |
Analysis
Hierarchy
web-opac.de is the parent of mail.web-opac.de.
IP Addresses
web-opac.de resolves to one IP number: 85.13.148.29.
other host names including schulbibliothek.net, ak-bludenz.web-opac.at, hede.kasserver.com, mail.web-opac.de and mail.webopac.at share IP numbers with web-opac.de.
Name Servers
web-opac.de is delegated to two name servers ns3.kasserver.com and ns4.kasserver.com.
web-opac.de shares the same name server setup as other domains, for instance norman-arp.de, cdu-leutkirch.de, slashsoft.net, trzeciak.info and greki.de.
web-opac.de shares name servers with other domains at least partially, for example 1-2.dev and mytrattoria.com.
Host names with one IP number:
ns3.kasserver.com points to 85.13.128.2
ns4.kasserver.com points to 85.13.140.2
Mail Servers
web-opac.de is handled by a single mail server, wede.kasserver.com.
wede.kasserver.com resolves to IP 85.13.148.29.