by3b.com - robtex.com
by3b.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 78.46.133.74🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | dedi4090.your-server.de | ||||||
| NS | ns1.your-server.de ⭐ | ||||||
| A | 2a01:4f8:0:1::5ddc:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns1.your-server.de | ||||||
| A | 213.133.100.102🇩🇪 Hetzner213.133.96.0/19 HETZNER-RZ-NBG-BLK1 | ||||||
| PTR | ns1.your-server.de | ||||||
| NS | ns.second-ns.com | ||||||
| A | 2a01:4f8:0:a101::b:1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | ns.second-ns.com | ||||||
| A | 213.239.204.242🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | ns.second-ns.com | ||||||
| NS | ns3.second-ns.de | ||||||
| A | 2001:67c:192c::add:b3🇩🇪 NORIS-NETWORK2001:67c:192c::/48 | ||||||
| PTR | ns3.second-ns.de | ||||||
| A | 193.47.99.4🇩🇪 NORIS-NETWORK193.47.99.0/24 | ||||||
| PTR | ns3.second-ns.de | ||||||
| MX | dedi4090.your-server.de ⭐ | ||||||
| A | 2a01:4f8:d0a:5086::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | dedi4090.your-server.de | ||||||
| A | 78.46.133.74🇩🇪 Hetzner78.46.0.0/15 HETZNER-RZ-NBG-BLK5 | ||||||
| PTR | dedi4090.your-server.de | ||||||
| TXT | v=spf1 a mx ~all | ||||||
| SOA | ns1.your-server.depostmaster@your-server.de 2026-01-16 #0 | ||||||
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=1774914952 | ||||||
Subdomains
mail.by3b.com |
Same first word
by3b.com |
DNS History
6 records (5 active, 1 former)
●NSns.second-ns.com2015-06-04 → 2026-03-31 · 2 obs
● 2026-03-31 00:05:22
●NSns1.your-server.de2015-06-04 → 2026-03-31 · 2 obs
● 2026-03-31 00:05:22
●NSns3.second-ns.de2015-06-04 → 2026-03-31 · 2 obs
● 2026-03-31 00:05:22
●MXdedi4090.your-server.de2026-03-07 → 2026-03-31 · 3 obs
● 2026-03-07 09:34:48
● 2026-03-31 00:05:22
○MXmail.by3b.com2015-06-04 → 2019-04-24 · 4 obs
● 2019-04-24 11:11:38
○ 2026-03-07 09:34:48
○ 2026-03-31 00:05:22
●A78.46.133.742015-06-04 → 2026-03-31 · 2 obs
● 2026-03-31 00:05:22
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, k.gtld-servers.net, g.gtld-servers.net, b.gtld-servers.net... | - |
| by3b.com | ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de | 2 records |
✅ Authoritative Response
Server:213.133.100.102
NS records: ns1.your-server.de, ns.second-ns.com, ns3.second-ns.de
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for by3b.com (unsigned zone)
⏱️ Timing
Total: 318ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 78.46.133.74 |
| NS | 3 | ns.second-ns.com, ns1.your-server.de... |
| MX | 1 | dedi4090.your-server.de (pri: 10) |
| TXT | 1 | v=spf1 a mx ~all |
| SOA | 1 | ns1.your-server.de postmaster.your-serve |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns.second-ns.com, ns.second-ns.com)
Analysis
Hierarchy
The parent of mail.by3b.com is by3b.com.
IP Addresses
by3b.com points to a single IP address: 78.46.133.74.
Other host names such as paulusroman.com, varbo.eu, mail.tellyoutellme.com, vartanadjemian.com and mail.aranigroup.com share IPs with by3b.com.
Name Servers
by3b.com is delegated to three name servers: ns.second-ns.com, ns3.second-ns.de and ns1.your-server.de.
by3b.com at least partially shares name servers with other domains, for example uniplan.ch, softpark.gmbh, tuer.org, 99.47.78.in-addr.arpa and immo-finanz-gruppe.com.
Host names with two IP numbers:
ns.second-ns.com points to 2a01:4f8:0:a101::b:1 and 213.239.204.242
ns3.second-ns.de points to 2001:67c:192c::add:b3 and 193.47.99.4
ns1.your-server.de points to 2a01:4f8:0:1::5ddc:1 and 213.133.100.102
Mail Servers
The dedi4090.your-server.de mail server handles by3b.com.
by3b.com shares the same mail server setup as other domains, including vo.am, audiobajke.com, cmselite.com, aram.cz and dedi4090.your-server.de.
dedi4090.your-server.de points to two IP numbers: 2a01:4f8:d0a:5086::2 and 78.46.133.74.