nfiber.pl - robtex.com
nfiber.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.235.248.8🇵🇱 AS204906185.235.248.0/22 | ||||||
| NS | dns1.onset.pl ⭐ | ||||||
| A | 185.235.248.20AS204906185.235.248.0/22 | ||||||
| NS | dns2.onset.pl | ||||||
| A | 185.235.248.21AS204906185.235.248.0/22 | ||||||
| MX | zimbra.nfiber.pl ⭐ | ||||||
| A | 185.235.248.14AS204906185.235.248.0/22 | ||||||
| TXT | v=spf1 ip4:185.235.248.2 ip4:185.235.248.14 mx -all | ||||||
| SOA | dns1.onset.pladmin@onset.pl 2026-03-23 #3 | ||||||
pl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a-dns.pl ⭐ | ||||||
| NS | b-dns.pl | ||||||
| NS | d-dns.pl | ||||||
| NS | f-dns.pl | ||||||
| NS | h-dns.pl | ||||||
| NS | j-dns.pl | ||||||
| TXT | ccTLD of Poland | ||||||
| SOA | a-dns.pldnsmaster@nask.pl serial=1781677994 | ||||||
Subdomains
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●MXzimbra.nfiber.pl2026-05-30 → 2026-06-17 · 2 obs
● 2026-06-17 21:06:56
●A185.235.248.82026-05-30 → 2026-06-17 · 2 obs
● 2026-06-17 21:06:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl... | - |
| nfiber.pl | dns1.onset.pl, dns2.onset.pl | 2 records |
✅ Authoritative Response
Server:185.235.248.21
NS records: dns1.onset.pl, dns2.onset.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for nfiber.pl (unsigned zone)
⏱️ Timing
Total: 2937ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.235.248.8 |
| NS | 2 | dns2.onset.pl, dns1.onset.pl |
| MX | 1 | zimbra.nfiber.pl (pri: 0) |
| TXT | 1 | v=spf1 ip4:185.235.248.2 ip4:185.235.248 |
| SOA | 1 | dns1.onset.pl admin.onset.pl |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (dns2.onset.pl, dns1.onset.pl)
Analysis
Hierarchy
The parent domain of zimbra.nfiber.pl and mail.nfiber.pl is nfiber.pl.
IP Addresses
nfiber.pl directs to one IP number, which is 185.235.248.8.
Name Servers
nfiber.pl is served by two delegated name servers, dns1.onset.pl and dns2.onset.pl.
Other domains share the same name server configuration as nfiber.pl, for example onset.pl.
Each of dns1.onset.pl and dns2.onset.pl has one IP address: dns1.onset.pl uses 185.235.248.20 and dns2.onset.pl uses 185.235.248.21.
Mail Servers
nfiber.pl routes its mail through a single mail server, zimbra.nfiber.pl.
nfiber.pl and domains like onset.pl share an identical mail server configuration.
There is one IP number for zimbra.nfiber.pl: 185.235.248.14.