cs4u.pl - robtex.com
cs4u.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 104.41.209.181🇮🇪 Microsoft104.40.0.0/13 MICROSOFT | ||||||
| NS | ns1.ab.pl ⭐ | ||||||
| A | 82.177.166.202🇵🇱 ASN-TELENERGO82.177.0.0/16 EXATEL S.A. | ||||||
| NS | ns2.ab.pl | ||||||
| A | 172.201.129.167🇳🇱 Microsoft172.200.0.0/13 | ||||||
| MX | mx.ab.pl ⭐ | ||||||
| A | 195.116.103.72🇵🇱 TPNET195.116.0.0/16 for abuse: abuse@tpnet.pl | ||||||
| PTR | mx.ab.pl | ||||||
| TXT | 4ac0752f1474e4cee5e9011491886bf2c50c79087cc5ab127a6b6534c24ad01 | ||||||
| TXT | MS=ms56296710 | ||||||
| TXT | v=spf1 include:spf.protection.outlook.com include:_spf.emaillabs.co ~all | ||||||
| TXT | 9a4ae1cc668cd5a59f6aca48ef1d602ae8d483104b54f3cf8a44e196ad1d1c2 | ||||||
| SOA | ns1.ab.plroot@ab.com.pl 2026-03-30 #1 | ||||||
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=1777271436 | ||||||
Previously MX for
cs4u.pl |
Same first word
Similar names
sc4u.us |
sc4u.net |
4cus.com |
4cus.ru |
ucs4.us |
sc4u.ch |
cu4s.com |
4cus.net |
sc4u.com |
4ucs.com |
4ucs.net |
us4c.com |
4ucs.network |
4ucs.co.nz |
c4us.com |
su4c.com |
c4us.de |
su4c.org |
DNS History
9 records (4 active, 5 former)
●NSns1.ab.pl2018-11-25 → 2026-04-27 · 3 obs
● 2018-11-25 10:49:54
● 2026-04-27 10:02:42
○NSns1.nazwa.pl2015-07-05 → 2017-02-05 · 4 obs
● 2017-02-05 14:57:42
○ 2018-11-25 10:49:54
○ 2026-04-27 10:02:42
●NSns2.ab.pl2018-11-25 → 2026-04-27 · 3 obs
● 2018-11-25 10:49:54
● 2026-04-27 10:02:42
○NSns2.nazwa.pl2015-07-05 → 2017-02-05 · 4 obs
● 2017-02-05 14:57:42
○ 2018-11-25 10:49:54
○ 2026-04-27 10:02:42
○NSns3.nazwa.pl2015-07-05 → 2017-02-05 · 4 obs
● 2017-02-05 14:57:42
○ 2018-11-25 10:49:54
○ 2026-04-27 10:02:42
○MXcs4u.pl2015-07-05 → 2017-02-05 · 4 obs
● 2017-02-05 14:57:42
○ 2018-11-25 10:49:54
○ 2026-04-27 10:02:42
●MXmx.ab.pl2018-11-25 → 2026-04-27 · 3 obs
● 2018-11-25 10:49:54
● 2026-04-27 10:02:42
●A104.41.209.1812018-11-25 → 2026-04-27 · 3 obs
● 2018-11-25 10:49:54
● 2026-04-27 10:02:42
○A85.128.215.1172015-07-05 → 2017-02-05 · 4 obs
● 2017-02-05 14:57:42
○ 2018-11-25 10:49:54
○ 2026-04-27 10:02:42
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl... | - |
| cs4u.pl | ns1.ab.pl, ns2.ab.pl | 2 records |
✅ Authoritative Response
Server:172.201.129.167
NS records: ns1.ab.pl, ns2.ab.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for cs4u.pl (unsigned zone)
⏱️ Timing
Total: 594ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 104.41.209.181 |
| NS | 2 | ns2.ab.pl, ns1.ab.pl |
| MX | 1 | mx.ab.pl (pri: 25) |
| TXT | 4 | 4ac0752f1474e4cee5e9011491886bf2c50c7908, MS=ms56296710... |
| SOA | 1 | ns1.ab.pl root.ab.com.pl |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns2.ab.pl, ns1.ab.pl)
Analysis
IP Addresses
cs4u.pl maps to IP address 104.41.209.181.
Name Servers
Two name servers ns1.ab.pl and ns2.ab.pl are delegated to cs4u.pl.
cs4u.pl uses the same name server configuration as other domains, such as tbprint.pl, ab.com.pl, tbenergy.eu, cknews.pl and 2unbox.com.
cs4u.pl at least partially shares name servers with other domains such as b2bzone.pl, abonline.com.pl, ab.pl, tbprint.eu and optimus.com.pl.
these name servers are commonly used with proxima.ab.com.pl, atena.ab.pl, proxima.ab.pl, proximatp.ab.pl, ovh.ab.pl and ns3.ab.pl.
Host names with a single IP address:
ns1.ab.pl points to 82.177.166.202
ns2.ab.pl points to 172.201.129.167
Mail Servers
cs4u.pl is handled by a single mail server, mx.ab.pl.
cs4u.pl shares the same mail server setup as other domains, including tbprint.eu, dlocker.eu, tbzone.pl, abo4.pl and strefazysku.pl.
mx.ab.pl points to one IP number: 195.116.103.72.