usrk.pl - dns.ninja
usrk.pl
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| A | 85.128.128.104🇵🇱 NETARTGROUP85.128.128.0/24 | ||||||
| PTR | static-ajw104.rev.nazwa.pl | ||||||
| NS | ns1.nazwa.pl ⭐ | ||||||
| A | 77.55.125.10🇵🇱 NETARTGROUP77.55.125.0/24 | ||||||
| PTR | ns1.nazwa.pl | ||||||
| NS | ns2.nazwa.pl | ||||||
| A | 77.55.126.10🇵🇱 NETARTGROUP77.55.126.0/24 | ||||||
| PTR | ns2.nazwa.pl | ||||||
| NS | ns3.nazwa.pl | ||||||
| A | 77.55.127.10🇵🇱 NETARTGROUP77.55.127.0/24 | ||||||
| PTR | ns3.nazwa.pl | ||||||
| MX | usrk.pl ⭐ 🔒 | ||||||
| A | 85.128.128.104🇵🇱 NETARTGROUP85.128.128.0/24 | ||||||
| PTR | static-ajw104.rev.nazwa.pl | ||||||
| TXT | v=spf1 mx a ~all | ||||||
| SOA | ns1.nazwa.plbiuro@nazwa.pl serial=2008133209 | ||||||
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=1783665206 | ||||||
MX for
usrk.pl |
Subdomains
mail.usrk.pl |
Same first word
usrk.pl |
Similar names
DNS History
10 records (5 active, 5 former)
○NSdns12.linuxpl.com2015-06-02 → 2016-12-24 · 4 obs
● 2016-12-24 06:24:22
○ 2026-03-02 09:37:22
○ 2026-07-10 20:44:26
●NSns1.nazwa.pl2026-03-02 → 2026-07-10 · 3 obs
● 2026-03-02 09:37:22
● 2026-07-10 20:44:26
○NSns12.linuxpl.com2015-06-02 → 2016-12-24 · 4 obs
● 2016-12-24 06:24:22
○ 2026-03-02 09:37:22
○ 2026-07-10 20:44:26
●NSns2.nazwa.pl2026-03-02 → 2026-07-10 · 3 obs
● 2026-03-02 09:37:22
● 2026-07-10 20:44:26
●NSns3.nazwa.pl2026-03-02 → 2026-07-10 · 3 obs
● 2026-03-02 09:37:22
● 2026-07-10 20:44:26
○MXmail.usrk.pl2015-06-02 → 2016-12-24 · 4 obs
● 2016-12-24 06:24:22
○ 2026-03-02 09:37:22
○ 2026-07-10 20:44:26
●MXusrk.pl2026-03-02 → 2026-07-10 · 3 obs
● 2026-03-02 09:37:22
● 2026-07-10 20:44:26
○A46.28.204.2462016-01-28 → 2016-01-28 · 4 obs
● 2016-01-28 23:49:08
○ 2016-04-21 04:58:50
○ 2026-07-10 20:44:26
●A85.128.128.1042026-03-02 → 2026-07-10 · 3 obs
● 2026-03-02 09:37:22
● 2026-07-10 20:44:26
○A85.17.23.232015-06-02 → 2016-12-24 · 7 obs
● 2015-12-20 20:45:36
○ 2016-01-28 23:49:08
● 2016-04-21 04:58:50
● 2016-12-24 06:24:22
○ 2026-03-02 09:37:22
○ 2026-07-10 20:44:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl... | - |
| usrk.pl | ns1.nazwa.pl, ns2.nazwa.pl, ns3.nazwa.pl | 3 records |
✅ Authoritative Response
Server:77.55.127.10
NS records: ns1.nazwa.pl, ns2.nazwa.pl, ns3.nazwa.pl
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 560ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.128.128.104 |
| NS | 3 | ns3.nazwa.pl, ns2.nazwa.pl... |
| MX | 1 | usrk.pl (pri: 10) |
| TXT | 1 | v=spf1 mx a ~all |
| SOA | 1 | ns1.nazwa.pl biuro.nazwa.pl |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.nazwa.pl, ns2.nazwa.pl, ns1.nazwa.pl)
Analysis
Hierarchy
usrk.pl serves as the parent of mail.usrk.pl.
Mail Server Role
usrk.pl handles its own mail, functioning as its own mail server.
IP Addresses
usrk.pl resolves to just one IP address, 85.128.128.104.
Two other host names, along with bls-rsmbf.nazwa.pl, lordtvonehn.nazwa.pl and server863828.nazwa.pl, also share IP numbers with usrk.pl.
Name Servers
Three name servers are authoritative for usrk.pl: ns1.nazwa.pl, ns2.nazwa.pl and ns3.nazwa.pl.
usrk.pl has at least partial name server overlap with other domains, such as pp-server.net, alerolety.pl, en1.nazwa.pl and two others.
These name servers tend to appear together with the name servers ns1.netart.pl, ns2.netart.pl and ns3.netart.pl.
Three hostnames, one IP address apiece: ns1.nazwa.pl resolves to 77.55.125.10, ns2.nazwa.pl resolves to 77.55.126.10 and ns3.nazwa.pl resolves to 77.55.127.10.
Mail Servers
usrk.pl is served by just one mail server: usrk.pl.
There is one IP number for usrk.pl: 85.128.128.104.