classbg.online - robtex.com
classbg.online
| DNSSEC | ⚠️ Not signed | ||||||
| A | 79.124.4.179🇧🇬 Telepoint79.124.4.0/24 | ||||||
| PTR | ip-4-179.telepoint.bg | ||||||
| NS | x.ns.joker.com ⭐ | ||||||
| A | 194.245.103.13🇩🇪 CSL194.245.0.0/16 DE-CSL-GMBH-PA | ||||||
| PTR | x.ns.joker.com | ||||||
| NS | y.ns.joker.com | ||||||
| A | 2a01:4f8:c0c:165b::1🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| PTR | y.ns.joker.com | ||||||
| A | 23.88.49.189🇩🇪 Hetzner23.88.0.0/17 HETZNER-DC | ||||||
| PTR | static.189.49.88.23.clients.your-server.de | ||||||
| NS | z.ns.joker.com | ||||||
| A | 2607:5300:203:7e6d::2222🇨🇦 OVH2607:5300::/32 Hosting route | ||||||
| PTR | z.ns.joker.com | ||||||
| A | 192.95.37.184🇨🇦 OVH192.95.0.0/18 Hosting route | ||||||
| PTR | z.ns.joker.com | ||||||
| MX | smtp.tetracom.com ⭐ | ||||||
| A | 2a01:4f8:222:1c83::2🇩🇪 Hetzner2a01:4f8::/32 HETZNER-IPv6-BLK | ||||||
| A | 213.239.193.45🇩🇪 Hetzner213.239.192.0/18 HETZNER-RZ-NBG-BLK2 | ||||||
| PTR | smtp.tetracom.com | ||||||
| TXT | v=spf1 a mx ip4:79.124.31.172 ip4:213.239.193.39 ip4:213.239.193.45 ip6:2a01:... | ||||||
| SOA | x.ns.joker.comhostmaster@joker.com 2023-11-25 #64 | ||||||
online
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | ns0.centralnic.net ⭐ | ||||||
| NS | ns01.trs-dns.com | ||||||
| NS | ns01.trs-dns.net | ||||||
| NS | ns10.trs-dns.info | ||||||
| NS | ns10.trs-dns.org | ||||||
| SOA | ns0.centralnic.nethostmaster@centralnic.net serial=1419732 | ||||||
Subdomains
bbbe.classbg.online |
Same first word
Similar names
DNS History
5 records (5 active, 0 former)
●NSx.ns.joker.com2026-02-16 → 2026-03-23 · 2 obs
● 2026-03-23 22:51:48
●NSy.ns.joker.com2026-02-16 → 2026-03-23 · 2 obs
● 2026-03-23 22:51:48
●NSz.ns.joker.com2026-02-16 → 2026-03-23 · 2 obs
● 2026-03-23 22:51:48
●MXsmtp.tetracom.com2026-02-16 → 2026-03-23 · 2 obs
● 2026-03-23 22:51:48
●A79.124.4.1792026-02-16 → 2026-03-23 · 2 obs
● 2026-03-23 22:51:48
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| online | ns01.trs-dns.com, ns01.trs-dns.net, ns10.trs-dns.org, ns10.trs-dns.info | 8 records |
| classbg.online | x.ns.joker.com, z.ns.joker.com, y.ns.joker.com | - |
✅ Authoritative Response
Server:192.95.37.184
NS records: x.ns.joker.com, z.ns.joker.com, y.ns.joker.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for classbg.online (unsigned zone)
⏱️ Timing
Total: 984ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 79.124.4.179 |
| NS | 3 | x.ns.joker.com, y.ns.joker.com... |
| MX | 1 | smtp.tetracom.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:79.124.31.172 ip4:213.23 |
| SOA | 1 | x.ns.joker.com hostmaster.joker.com |
📌 Glue Records Collected
Total: 8
Out-of-bailiwick: 8 (ns10.trs-dns.info, ns10.trs-dns.org, ns01.trs-dns.net...)
Analysis
Hierarchy
classbg.online is the parent of bbbe.classbg.online.
IP Addresses
classbg.online resolves to a single IP address: 79.124.4.179.
Name Servers
classbg.online is delegated to three name servers: x.ns.joker.com, y.ns.joker.com and z.ns.joker.com.
classbg.online at least partially shares name servers with other domains, including swiftmind.com, firstclasscomputerconsulting.com, katleya.net, maggiegaza.com and codemat.com.
these name servers are commonly used together with a.ns.joker.com, b.ns.joker.com and c.ns.joker.com.
Host names with two IP numbers:
y.ns.joker.com points to 2a01:4f8:c0c:165b::1 and 23.88.49.189
z.ns.joker.com points to 2607:5300:203:7e6d::2222 and 192.95.37.184
Host names with one IP number:
x.ns.joker.com points to 194.245.103.13
Mail Servers
classbg.online is handled by a single mail server, smtp.tetracom.com.
classbg.online shares its mail server setup with other domains, including finlit.eu, documented.bg, wwwe.u4ili6teto.bg, smtp.tetracom.com and www.documented.bg.
smtp.tetracom.com points to two IPs: 2a01:4f8:222:1c83::2 and 213.239.193.45.