nb.rs - robtex.com
nb.rs
| DNSSEC | ⚠️ Not signed | ||||||
| A | 147.91.246.202🇷🇸 UB-AS147.91.128.0/17 Academic Network of Serbia (AMRES) | ||||||
| PTR | nb.rs | ||||||
| NS | ns1e.nb.rs ⭐ | ||||||
| A | 147.91.246.91🇷🇸 UB-AS147.91.128.0/17 Academic Network of Serbia (AMRES) | ||||||
| PTR | ns1e.narodnabiblioteka.rs | ||||||
| NS | ns.rcub.bg.ac.rs | ||||||
| A | 147.91.1.5🇷🇸 UB-AS147.91.0.0/17 Academic Network of Serbia (AMRES) | ||||||
| PTR | ns.rcub.bg.ac.rs | ||||||
| NS | ns2e.nb.rs | ||||||
| A | 147.91.246.96🇷🇸 UB-AS147.91.128.0/17 Academic Network of Serbia (AMRES) | ||||||
| MX | mail.nb.rs ⭐ | ||||||
| A | 147.91.246.95🇷🇸 UB-AS147.91.128.0/17 Academic Network of Serbia (AMRES) | ||||||
| PTR | mail.nb.rs | ||||||
| TXT | v=spf1 mx ip4:147.91.246.95 ip4:147.91.246.30 -all | ||||||
| SOA | ns1e.nb.rshostmaster@nb.rs 2026-07-14 #1 | ||||||
rs
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.nic.rs ⭐ | ||||||
| NS | b.nic.rs | ||||||
| NS | c.nic.rs | ||||||
| NS | f.nic.rs | ||||||
| NS | h.nic.rs | ||||||
| NS | l.nic.rs | ||||||
| TXT | rs zone update: 2026-07-21 02:30:03 +02:00 (EPOCH 1784593803) | ||||||
| SOA | a.nic.rshostmaster@nic.rs 2026-07-21 #7 | ||||||
rank #22 in the tld
WOT: SAFE (73/100)
📈 Tranco rank: #95,474
PTR for
Subdomains
obavezni.nb.rs |
e-ucionica.nb.rs |
ns2e.nb.rs |
velikirat.nb.rs |
mail.nb.rs |
ftp.nb.rs |
nainfo.nb.rs |
bkp.nb.rs |
ns1e.nb.rs |
registar.nb.rs |
digitalna.nb.rs |
nainfo-proxy.nb.rs |
digital.nb.rs |
kobson.nb.rs |
doiserbia.nb.rs |
Same first word
Similar names
DNS History
6 records (5 active, 1 former)
●NSns.rcub.bg.ac.rs2015-08-02 → 2026-07-21 · 6 obs
● 2016-10-10 16:16:10
○ 2016-11-17 02:13:30
○ 2020-12-22 03:33:54
● 2026-02-15 12:40:32
● 2026-07-21 00:55:40
●NSns1e.nb.rs2015-08-02 → 2026-07-21 · 2 obs
● 2026-07-21 00:55:40
●NSns2e.nb.rs2015-08-02 → 2026-07-21 · 2 obs
● 2026-07-21 00:55:40
●MXmail.nb.rs2015-08-02 → 2026-07-21 · 2 obs
● 2026-07-21 00:55:40
○A147.91.246.22015-08-02 → 2020-12-22 · 4 obs
● 2020-12-22 03:33:54
○ 2026-02-15 12:40:32
○ 2026-07-21 00:55:40
●A147.91.246.2022026-02-15 → 2026-07-21 · 3 obs
● 2026-02-15 12:40:32
● 2026-07-21 00:55:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| rs | f.nic.rs, h.nic.rs, a.nic.rs, c.nic.rs... | - |
| nb.rs | ns.rcub.bg.ac.rs, ns1e.nb.rs, ns2e.nb.rs | 3 records |
✅ Authoritative Response
Server:147.91.246.96
NS records: ns.rcub.bg.ac.rs, ns1e.nb.rs, ns2e.nb.rs
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nb.rs (unsigned zone)
⏱️ Timing
Total: 623ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 147.91.246.202 |
| NS | 3 | ns.rcub.bg.ac.rs, ns1e.nb.rs... |
| MX | 1 | mail.nb.rs (pri: 10) |
| TXT | 1 | v=spf1 mx ip4:147.91.246.95 ip4:147.91.2 |
| SOA | 1 | ns1e.nb.rs hostmaster.nb.rs |
📌 Glue Records Collected
Total: 3
In-bailiwick: 2 (ns1e.nb.rs, ns2e.nb.rs)
Out-of-bailiwick: 1 (ns.rcub.bg.ac.rs)
Analysis
Hierarchy
The host names obavezni.nb.rs, e-ucionica.nb.rs, ns2e.nb.rs, velikirat.nb.rs and mail.nb.rs — among a few others — fall under the parent domain nb.rs.
IP Addresses
nb.rs resolves to just one IP address, 147.91.246.202.
Name Servers
Three name servers are authoritative for nb.rs: ns1e.nb.rs, ns2e.nb.rs and ns.rcub.bg.ac.rs.
At least some of nb.rs's name servers are shared with other domains, for example tf.bor.ac.rs, mas.bg.ac.rs, fpu.bg.ac.rs and two more.
These name servers tend to co-occur with gaea.rcub.bg.ac.rs, ns.etf.bg.ac.rs, ns1.uns.ac.rs and 7 other name servers in the same DNS delegations.
Three hostnames, one IP address apiece: ns1e.nb.rs resolves to 147.91.246.91, ns2e.nb.rs resolves to 147.91.246.96 and ns.rcub.bg.ac.rs resolves to 147.91.1.5.
Mail Servers
The sole mail server for nb.rs is mail.nb.rs.
Mail server setup for nb.rs matches that of other domains, among them vbs.rs.
There is one IP number for mail.nb.rs: 147.91.246.95.