by-ct.com - robtex.com
by-ct.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.13.156.22🇩🇪 NMM-AS85.13.156.0/24 Neue Medien Muennich | ||||||
| PTR | dd39934.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 | w00da8b4.kasserver.com ⭐ | ||||||
| A | 85.13.156.22🇩🇪 NMM-AS85.13.156.0/24 Neue Medien Muennich | ||||||
| PTR | dd39934.kasserver.com | ||||||
| TXT | v=spf1 a mx include:spf.kasserver.com ~all | ||||||
| SOA | ns5.kasserver.comhostmaster@kasserver.com serial=2512121900 | ||||||
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=1776205752 | ||||||
Same first word
by-ct.com |
Similar names
DNS History
5 records (4 active, 1 former)
●NSns5.kasserver.com2016-12-13 → 2026-04-14 · 2 obs
● 2026-04-14 22:58:58
●NSns6.kasserver.com2016-12-13 → 2026-04-14 · 2 obs
● 2026-04-14 22:58:58
●MXw00da8b4.kasserver.com2016-12-13 → 2026-04-14 · 2 obs
● 2026-04-14 22:58:58
○A85.13.150.1742016-12-13 → 2018-08-23 · 4 obs
● 2018-08-23 02:43:36
○ 2026-04-10 09:51:46
○ 2026-04-14 22:58:58
●A85.13.156.222026-04-10 → 2026-04-14 · 3 obs
● 2026-04-10 09:51:46
● 2026-04-14 22:58:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | j.gtld-servers.net, f.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net... | - |
| by-ct.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 by-ct.com (unsigned zone)
⏱️ Timing
Total: 450ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.13.156.22 |
| NS | 2 | ns6.kasserver.com, ns5.kasserver.com |
| MX | 1 | w00da8b4.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
by-ct.com points to an IP address: 85.13.156.22.
other host names include rb-mailgate.de.c-essart.com, w0198597.kasserver.com, wifuwa.de, w0198604.kasserver.com and w007df94.kasserver.com; they share IP numbers with by-ct.com.
Name Servers
Two name servers ns5.kasserver.com and ns6.kasserver.com handle the delegation for by-ct.com.
by-ct.com shares the same name server setup as other domains, for instance ksr.at, versicherungscheck-oberschwaben.com, hfkk.de, fritzl.at and villa-wesco-shop.us.
by-ct.com at least partially shares name servers with other domains, for instance viktoriaberlin.de, stickerei-dresden.de, uwg-saerbeck.de, maincity-gmbh.de and maler-baro.de.
These name servers are commonly used with the following: a-dns-service.de, ns3.kas-dns-server.de, ns3.ai-dns.de and ns5.name-server-kas.de.
Host names with one IP:
ns5.kasserver.com points to: 85.13.128.3
ns6.kasserver.com points to: 85.13.159.101
Mail Servers
by-ct.com is handled by a single mail server, w00da8b4.kasserver.com.
by-ct.com shares the same mail server setup as other domains such as cordial-welcome.com, 3h4.eu and cordial-thanks.com.
The host name w00da8b4.kasserver.com points to IP 85.13.156.22.