udbu.net - robtex.com
udbu.net
| DNSSEC | ⚠️ Not signed | ||||||
| A | 87.126.165.61🇧🇬 VIVACOM-AS87.126.165.0/24 BTC-BROADBAND-NET | ||||||
| PTR | net.bulhost.net | ||||||
| NS | net.bulhost.net ⭐ ⚠️ Not in parent delegation | ||||||
| A | 87.126.165.61🇧🇬 VIVACOM-AS87.126.165.0/24 BTC-BROADBAND-NET | ||||||
| PTR | net.bulhost.net | ||||||
| NS | net.udbu.net ⚠️ Not in zone NS records | ||||||
| A | 87.126.165.61🇧🇬 VIVACOM-AS87.126.165.0/24 BTC-BROADBAND-NET | ||||||
| PTR | net.bulhost.net | ||||||
| NS | ten.bulhost.net ⚠️ Not in parent delegation | ||||||
| A | 87.126.165.61🇧🇬 VIVACOM-AS87.126.165.0/24 BTC-BROADBAND-NET | ||||||
| PTR | net.bulhost.net | ||||||
| NS | ten.udbu.net ⚠️ Not in zone NS records | ||||||
| A | 87.126.165.61🇧🇬 VIVACOM-AS87.126.165.0/24 BTC-BROADBAND-NET | ||||||
| PTR | net.bulhost.net | ||||||
| MX | mail.udbu.net ⭐ | ||||||
| A | 87.126.165.61🇧🇬 VIVACOM-AS87.126.165.0/24 BTC-BROADBAND-NET | ||||||
| PTR | net.bulhost.net | ||||||
| TXT | v=spf1 a mx a:udbu.net ip4:87.126.165.61 ?all | ||||||
| SOA | net.bulhost.netroot@net.bulhost.net 2026-05-19 #0 | ||||||
net
| 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=1783246066 | ||||||
Subdomains
Same first word
Similar names
DNS History
11 records (6 active, 5 former)
●NSnet.bulhost.net2026-07-02 → 2026-07-05 · 3 obs
● 2026-07-02 17:22:18
● 2026-07-05 10:10:42
●NSnet.udbu.net2026-07-02 → 2026-07-05 · 3 obs
● 2026-07-02 17:22:18
● 2026-07-05 10:10:42
○NSns100.rookdns.com2016-08-08 → 2017-04-04 · 4 obs
● 2017-04-04 21:51:24
○ 2026-07-02 17:22:18
○ 2026-07-05 10:10:42
○NSns99.rookdns.com2016-08-08 → 2017-04-04 · 4 obs
● 2017-04-04 21:51:24
○ 2026-07-02 17:22:18
○ 2026-07-05 10:10:42
●NSten.bulhost.net2026-07-02 → 2026-07-05 · 3 obs
● 2026-07-02 17:22:18
● 2026-07-05 10:10:42
●NSten.udbu.net2026-07-02 → 2026-07-05 · 3 obs
● 2026-07-02 17:22:18
● 2026-07-05 10:10:42
○MXmail.replyingback.com2016-08-08 → 2016-08-08 · 3 obs
○ 2017-04-04 21:51:24
○ 2026-07-05 10:10:42
●MXmail.udbu.net2026-07-02 → 2026-07-05 · 3 obs
● 2026-07-02 17:22:18
● 2026-07-05 10:10:42
○A141.8.224.2392016-08-08 → 2017-04-04 · 4 obs
● 2017-04-04 21:51:24
○ 2026-07-02 17:22:18
○ 2026-07-05 10:10:42
●A87.126.165.612026-07-02 → 2026-07-05 · 3 obs
● 2026-07-02 17:22:18
● 2026-07-05 10:10:42
○PTRns99.rookdns.com2017-04-04 → 2017-04-04 · 3 obs
○ 2026-07-02 17:22:18
○ 2026-07-05 10:10:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| net | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| udbu.net | ten.udbu.net, net.udbu.net | 2 records |
✅ Authoritative Response
Server:87.126.165.61
NS records: ten.udbu.net, net.udbu.net
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for udbu.net (unsigned zone)
⏱️ Timing
Total: 379ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 87.126.165.61 |
| NS | 2 | net.bulhost.net, ten.bulhost.net |
| MX | 1 | mail.udbu.net (pri: 5) |
| TXT | 1 | v=spf1 a mx a:udbu.net ip4:87.126.165.61 |
| SOA | 1 | net.bulhost.net root.net.bulhost.net |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ten.udbu.net, net.udbu.net)
Analysis
Hierarchy
udbu.net is a parent domain, with mail.udbu.net, net.udbu.net and ten.udbu.net beneath it.
IP Addresses
udbu.net has exactly one IP address — 87.126.165.61.
apartamenti.link, mail.net.bulhost.net, mail.bgtel.tel plus two other host names have IP numbers in common with udbu.net.
Name Servers
Four name servers handle the delegation for udbu.net: net.bulhost.net, ten.bulhost.net, net.udbu.net and ten.udbu.net.
udbu.net has at least partial name server overlap with other domains, such as kashtahrisi.com, net.udbu.net, host.bulhost.link and two others.
It is common to find these name servers paired with the name servers link.bulhost.link.
net.bulhost.net, ten.bulhost.net, net.udbu.net and ten.udbu.net all direct traffic to the IP address 87.126.165.61.
The following host names resolve to 87.126.165.61: net.bulhost.net, ten.bulhost.net, net.udbu.net and ten.udbu.net.
Mail Servers
udbu.net uses one mail server — mail.udbu.net.
mail.udbu.net resolves to 87.126.165.61 and no other IP number.