certo.pl - robtex.com
certo.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 85.128.158.212🇵🇱 NETARTGROUP85.128.144.0/20 | ||||||
| PTR | shared-ala212.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 | certo.pl ⭐ | ||||||
| A | 85.128.158.212🇵🇱 NETARTGROUP85.128.144.0/20 | ||||||
| PTR | shared-ala212.rev.nazwa.pl | ||||||
| TXT | v=spf1 mx a include:_spf.getresponse.com -all | ||||||
| TXT | google-site-verification=JQEKnh-QE9MgItaecRBBI71TxaNDtnmESz6JZAFOTuA | ||||||
| TXT | google-site-verification=PUEYFYaO5jKAVV95bHgADOVUGzcebWpB4lSiWJ542bA | ||||||
| SOA | ns1.nazwa.plbiuro@nazwa.pl serial=2008133219 | ||||||
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=1781591709 | ||||||
MX for
certo.pl |
Same first word
Similar names
DNS History
10 records (5 active, 5 former)
●NSns1.nazwa.pl2020-02-27 → 2026-06-17 · 3 obs
● 2020-02-27 07:58:18
● 2026-06-17 06:44:38
○NSns1.premium.pl2015-05-25 → 2017-01-07 · 4 obs
● 2017-01-07 22:53:12
○ 2020-02-27 07:58:18
○ 2026-06-17 06:44:38
●NSns2.nazwa.pl2020-02-27 → 2026-06-17 · 3 obs
● 2020-02-27 07:58:18
● 2026-06-17 06:44:38
○NSns2.premium.pl2015-05-25 → 2017-01-07 · 4 obs
● 2017-01-07 22:53:12
○ 2020-02-27 07:58:18
○ 2026-06-17 06:44:38
●NSns3.nazwa.pl2020-02-27 → 2026-06-17 · 3 obs
● 2020-02-27 07:58:18
● 2026-06-17 06:44:38
●MXcerto.pl2020-02-27 → 2026-06-17 · 2 obs
● 2026-06-17 06:44:38
○A188.128.255.2512015-11-07 → 2017-01-07 · 5 obs
● 2015-11-07 00:47:58
● 2017-01-07 22:53:12
○ 2020-02-27 07:58:18
○ 2026-06-17 06:44:38
○A62.129.243.502015-05-25 → 2015-05-25 · 3 obs
○ 2015-11-07 00:47:58
○ 2026-06-17 06:44:38
●A85.128.158.2122026-06-10 → 2026-06-17 · 3 obs
● 2026-06-10 02:57:14
● 2026-06-17 06:44:38
○A85.128.242.422020-02-27 → 2020-02-27 · 4 obs
● 2020-02-27 07:58:18
○ 2026-06-10 02:57:14
○ 2026-06-17 06:44:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | j-dns.pl, h-dns.pl, f-dns.pl, a-dns.pl... | - |
| certo.pl | ns1.nazwa.pl, ns2.nazwa.pl, ns3.nazwa.pl | 3 records |
✅ Authoritative Response
Server:77.55.125.10
NS records: ns1.nazwa.pl, ns2.nazwa.pl, ns3.nazwa.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certo.pl (unsigned zone)
⏱️ Timing
Total: 238ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 85.128.158.212 |
| NS | 3 | ns3.nazwa.pl, ns1.nazwa.pl... |
| MX | 1 | certo.pl (pri: 10) |
| TXT | 3 | v=spf1 mx a include:_spf.getresponse.com, google-site-verification=JQEKnh-QE9MgIta... |
| 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
Mail Server Role
The MX record for certo.pl points back to certo.pl — it is its own mail server.
IP Addresses
certo.pl directs to one IP number, which is 85.128.158.212.
Host names such as mail.kurs-sep.pl, shared-ala212.rev.nazwa.pl and kurs-sep.pl share their IP numbers with certo.pl.
Name Servers
certo.pl has three name servers — ns1.nazwa.pl, ns2.nazwa.pl and ns3.nazwa.pl.
The name servers of certo.pl overlap at least partially with those of other domains — among them deliberatio.eu, januszw.pl, m2r.pl and two more.
Each of the three hostnames points to exactly one IP address: ns1.nazwa.pl points to 77.55.125.10, ns2.nazwa.pl points to 77.55.126.10 and ns3.nazwa.pl points to 77.55.127.10.
Mail Servers
The MX record for certo.pl points to a single mail server: certo.pl.
certo.pl points to one IP number — 85.128.158.212.