cus.pl - dns.ninja
cus.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 88.220.84.180🇵🇱 CUS88.220.84.0/24 Centrum Uslug Sieciowych | ||||||
| PTR | 180.cus.pl | ||||||
| NS | ns1.cus.pl ⭐ | ||||||
| A | 88.220.84.123🇵🇱 CUS88.220.84.0/24 Centrum Uslug Sieciowych | ||||||
| PTR | zander.optonet.com.pl | ||||||
| NS | ns2.cus.pl | ||||||
| A | 88.220.84.240🇵🇱 CUS88.220.84.0/24 Centrum Uslug Sieciowych | ||||||
| PTR | 240.cus.pl | ||||||
| MX | zander.optonet.com.pl ⭐ | ||||||
| A | 88.220.84.123🇵🇱 CUS88.220.84.0/24 Centrum Uslug Sieciowych | ||||||
| PTR | zander.optonet.com.pl | ||||||
| TXT | google-site-verification=btmqaxmifkewmnzbsst53yqemqoqta2zldwbluc4jeu | ||||||
| TXT | v=spf1 a mx a:zander.optonet.com.pl ip4:88.220.84.123/24 include:optonet.com.... | ||||||
| SOA | ns1.cus.plholek@cus.pl 2026-08-04 #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=1785825230 | ||||||
Subdomains
Same first word
Similar names
DNS History
9 records (4 active, 5 former)
●NSns1.cus.pl2015-08-19 → 2026-08-04 · 2 obs
● 2026-08-04 22:33:14
●NSns2.cus.pl2015-08-19 → 2026-08-04 · 2 obs
● 2026-08-04 22:33:14
○NSns3.cus.pl2015-08-19 → 2015-09-07 · 4 obs
● 2015-09-07 10:26:40
○ 2015-12-20 17:15:36
○ 2026-08-04 22:33:14
○MXmailsrv.cus.pl2015-08-19 → 2021-09-28 · 4 obs
● 2021-09-28 20:36:22
○ 2026-02-17 00:50:20
○ 2026-08-04 22:33:14
●MXzander.optonet.com.pl2026-02-17 → 2026-08-04 · 3 obs
● 2026-02-17 00:50:20
● 2026-08-04 22:33:14
○A81.15.192.12015-08-19 → 2015-09-07 · 4 obs
● 2015-09-07 10:26:40
○ 2015-12-20 17:15:36
○ 2026-08-04 22:33:14
○A88.220.84.1232020-11-30 → 2021-09-28 · 5 obs
● 2020-11-30 16:09:18
● 2021-09-28 20:36:22
○ 2026-08-04 22:33:12
○ 2026-08-04 22:33:14
●A88.220.84.1802026-08-04 → 2026-08-04 · 3 obs
● 2026-08-04 22:33:12
● 2026-08-04 22:33:14
○A88.220.84.752015-12-20 → 2019-11-25 · 5 obs
● 2015-12-20 17:15:36
● 2019-11-25 03:43:38
○ 2020-11-30 16:09:18
○ 2026-08-04 22:33:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | f-dns.pl, b-dns.pl, j-dns.pl, h-dns.pl... | - |
| cus.pl | ns2.cus.pl, ns1.cus.pl | 2 records |
✅ Authoritative Response
Server:88.220.84.123
NS records: ns2.cus.pl, ns1.cus.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cus.pl (unsigned zone)
⏱️ Timing
Total: 389ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 88.220.84.180 |
| NS | 2 | ns2.cus.pl, ns1.cus.pl |
| MX | 1 | zander.optonet.com.pl (pri: 10) |
| TXT | 2 | v=spf1 a mx a:zander.optonet.com.pl ip4:, google-site-verification=btmqaxmifkewmnz |
| SOA | 1 | ns1.cus.pl holek.cus.pl |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns2.cus.pl, ns1.cus.pl)
Analysis
Hierarchy
cus.pl is the parent domain of 215.cus.pl, ns2.cus.pl, ns1.cus.pl, router.cus.pl, www.cus.pl and a few other host names.
IP Addresses
cus.pl has exactly one IP address — 88.220.84.180.
Name Servers
cus.pl uses two name servers for its delegation: ns1.cus.pl and ns2.cus.pl.
cus.pl uses the same name servers as other domains — 2milliondollar.com being one example.
ns1.cus.pl and ns2.cus.pl each resolve to one IP number: ns1.cus.pl points to 88.220.84.123 and ns2.cus.pl points to 88.220.84.240.
Mail Servers
cus.pl uses one mail server — zander.optonet.com.pl.
The mail server setup of cus.pl is identical to that of domains like optonet.com.pl, ostoja.edu.pl and jurysta.pl.
zander.optonet.com.pl directs to just one IP number, 88.220.84.123.