colognetax.de - robtex.com
colognetax.de
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.13.138.105🇩🇪 NMM-AS85.13.138.0/24 Neue Medien Muennich | ||||||
| PTR | dd40806.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 | mx01.hornetsecurity.com ⭐ | ||||||
| A | 94.100.132.8🇩🇪 MK-NETZDIENSTE-AS94.100.132.0/23 ANTISPAMEUROPE-NET via AS25394 | ||||||
| PTR | mx01.hornetsecurity.com | ||||||
| MX | mx02.hornetsecurity.com(20) | ||||||
| A | 94.100.136.8🇩🇪 SSERV-AS94.100.136.0/23 ANTISPAMEUROPE via as24679.net | ||||||
| PTR | mx02.hornetsecurity.com | ||||||
| MX | mx03.hornetsecurity.com(30) | ||||||
| A | 94.100.134.8🇩🇪 NCORE-AS94.100.134.0/24 antispameurope GmbH via as12676 | ||||||
| PTR | mx03.hornetsecurity.com | ||||||
| MX | mx04.hornetsecurity.com(40) | ||||||
| A | 94.100.136.7🇩🇪 SSERV-AS94.100.136.0/23 ANTISPAMEUROPE via as24679.net | ||||||
| PTR | mx04.hornetsecurity.com | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com include:spf.hornetsecurity.com -all | ||||||
| TXT | MS=ms26412705 | ||||||
| SOA | ns5.kasserver.comhostmaster@kasserver.com serial=2604290317 | ||||||
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=1778739817 | ||||||
Subdomains
mail.colognetax.de |
Same first word
colognetax.de |
DNS History
8 records (7 active, 1 former)
●NSns5.kasserver.com2015-07-15 → 2026-05-14 · 2 obs
● 2026-05-14 06:47:56
●NSns6.kasserver.com2015-07-15 → 2026-05-14 · 2 obs
● 2026-05-14 06:47:56
○MXmail.colognetax.de2015-07-15 → 2017-09-11 · 4 obs
● 2017-09-11 00:45:40
○ 2026-03-14 08:51:18
○ 2026-05-14 06:47:56
●MXmx01.hornetsecurity.com2026-03-14 → 2026-05-14 · 3 obs
● 2026-03-14 08:51:18
● 2026-05-14 06:47:56
●MXmx02.hornetsecurity.com2026-03-14 → 2026-05-14 · 3 obs
● 2026-03-14 08:51:18
● 2026-05-14 06:47:56
●MXmx03.hornetsecurity.com2026-03-14 → 2026-05-14 · 3 obs
● 2026-03-14 08:51:18
● 2026-05-14 06:47:56
●MXmx04.hornetsecurity.com2026-03-14 → 2026-05-14 · 3 obs
● 2026-03-14 08:51:18
● 2026-05-14 06:47:56
●A85.13.138.1052015-07-15 → 2026-05-14 · 2 obs
● 2026-05-14 06:47:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| de | a.nic.de, f.nic.de, z.nic.de | - |
| colognetax.de | ns5.kasserver.com, ns6.kasserver.com | - |
✅ Authoritative Response
Server:85.13.128.3
NS records: ns5.kasserver.com, ns6.kasserver.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for colognetax.de (unsigned zone)
⏱️ Timing
Total: 2401ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.138.105 |
| NS | 2 | ns5.kasserver.com, ns6.kasserver.com |
| MX | 4 | mx02.hornetsecurity.com (pri: 20), mx03.hornetsecurity.com (pri: 30)... |
| TXT | 2 | MS=ms26412705, v=spf1 include:spf.protection.outlook.co |
| SOA | 1 | ns5.kasserver.com hostmaster.kasserver.c |
Analysis
Hierarchy
colognetax.de is parent of mail.colognetax.de.
IP Addresses
colognetax.de points to a single IP: 85.13.138.105.
Other host names, for instance mail.singschule-leipzig.de, mail.colognetax.de, mail.tierklinik-munster.de, w00f63c0.kasserver.com and singschule-leipzig.de share IP numbers with colognetax.de.
Name Servers
colognetax.de's delegation is to two name servers ns5.kasserver.com and ns6.kasserver.com.
colognetax.de shares the same name server configuration as other domains, such as meyermetall.com, musiklehrerin-hoss.de, fachliteraturversand.de, computerreinigung.de and kyo-germany.com.
colognetax.de at least partially shares its name servers with other domains, for instance optik-wetzlar.de, anwalt-sayed.de, hbrc.de, ferien-bauernhof-lueneburger-heide.de and hasinger.de.
these name servers are commonly used together with ns3.ai-dns.de, ns5.name-server-kas.de, a-dns-service.de and ns3.kas-dns-server.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
colognetax.de is handled by four mail servers: mx01.hornetsecurity.com, mx02.hornetsecurity.com, mx03.hornetsecurity.com and mx04.hornetsecurity.com.
colognetax.de shares some mail servers with other domains, including mders.de, rollatorkonfigurator.de, cewe.hr, mfb-hamburg.de and radervogel.gr.
Host names with one IP number: mx01.hornetsecurity.com points to 94.100.132.8; mx02.hornetsecurity.com points to 94.100.136.8; mx03.hornetsecurity.com points to 94.100.134.8; mx04.hornetsecurity.com points to 94.100.136.7.