certools.pl - dns.ninja
certools.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 94.152.13.16🇵🇱 CF-KRK94.152.0.0/20 Hx | ||||||
| PTR | host16.e-kei.pl | ||||||
| NS | ns2.kei.pl ⭐ | ||||||
| A | 94.152.255.100🇵🇱 OXYLION-AS94.152.255.0/24 | ||||||
| PTR | ns2.kei.pl | ||||||
| NS | ns1.kei.pl | ||||||
| A | 94.152.254.100🇵🇱 OXYLION-AS94.152.254.0/24 | ||||||
| PTR | ns1.kei.pl | ||||||
| MX | certools.pl ⭐ | ||||||
| A | 94.152.13.16🇵🇱 CF-KRK94.152.0.0/20 Hx | ||||||
| PTR | host16.e-kei.pl | ||||||
| TXT | v=spf1 a mx include:spf.tld.pl -all | ||||||
| SOA | ns2.kei.pladmin@kei.pl 2024-05-14 #2 | ||||||
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=1786084285 | ||||||
MX for
certools.pl |
Same first word
Similar names
DNS History
11 records (4 active, 7 former)
○NSdns.proinet.pl2008-11-29 → 2017-01-29 · 4 obs
● 2017-01-29 19:12:50
○ 2026-06-10 05:37:56
○ 2026-08-07 10:28:40
○NSdns2.proinet.pl2008-11-29 → 2017-01-29 · 4 obs
● 2017-01-29 19:12:50
○ 2026-06-10 05:37:56
○ 2026-08-07 10:28:40
●NSns1.kei.pl2026-06-10 → 2026-08-07 · 3 obs
● 2026-06-10 05:37:56
● 2026-08-07 10:28:40
●NSns2.kei.pl2026-06-10 → 2026-08-07 · 3 obs
● 2026-06-10 05:37:56
● 2026-08-07 10:28:40
○MXc6.proinet.pl2015-07-11 → 2017-01-29 · 5 obs
● 2015-07-11 01:31:28
● 2017-01-29 19:12:50
○ 2026-06-10 05:37:56
○ 2026-08-07 10:28:40
●MXcertools.pl2026-06-10 → 2026-08-07 · 3 obs
● 2026-06-10 05:37:56
● 2026-08-07 10:28:40
○MXmail.certools.pl2008-11-29 → 2017-01-29 · 4 obs
● 2017-01-29 19:12:50
○ 2026-06-10 05:37:56
○ 2026-08-07 10:28:40
○MXporky.proinet.pl2008-11-29 → 2008-11-29 · 3 obs
○ 2015-07-11 01:31:28
○ 2026-08-07 10:28:40
○A46.105.128.2162015-07-11 → 2016-05-03 · 5 obs
● 2015-07-11 01:31:28
● 2016-05-03 10:30:02
○ 2017-01-29 19:12:50
○ 2026-08-07 10:28:40
○A92.222.211.712017-01-29 → 2017-01-29 · 4 obs
● 2017-01-29 19:12:50
○ 2026-06-10 05:37:56
○ 2026-08-07 10:28:40
●A94.152.13.162026-06-10 → 2026-08-07 · 3 obs
● 2026-06-10 05:37:56
● 2026-08-07 10:28:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | j-dns.pl, b-dns.pl, a-dns.pl, d-dns.pl... | - |
| certools.pl | ns1.kei.pl, ns2.kei.pl | 2 records |
✅ Authoritative Response
Server:94.152.254.100
NS records: ns1.kei.pl, ns2.kei.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for certools.pl (unsigned zone)
⏱️ Timing
Total: 159ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.152.13.16 |
| NS | 2 | ns2.kei.pl, ns1.kei.pl |
| MX | 1 | certools.pl (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.tld.pl -all |
| SOA | 1 | ns2.kei.pl admin.kei.pl |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.kei.pl, ns2.kei.pl)
Analysis
Mail Server Role
certools.pl is listed as a mail server for itself.
IP Addresses
certools.pl resolves to one IP address: 94.152.13.16.
erollos.de, liluart.pl, hostin.pl and two other host names share IP numbers with certools.pl.
Name Servers
Two name servers handle the delegation for certools.pl: ns1.kei.pl and ns2.kei.pl.
certools.pl uses the same name servers as several other domains — among them hurtania.pl, ekokarpaty.pl, marino.waw.pl and two more.
At least some of certools.pl's name servers are shared with other domains, for example darmozjad.cc, braciki.com.pl, pracujemy.pl and two more.
It is common for these name servers to be used in conjunction with the name servers ns1.tld.pl, ns2.tld.pl and ns3.kei.pl.
Each of ns1.kei.pl and ns2.kei.pl has one IP address: ns1.kei.pl uses 94.152.254.100 and ns2.kei.pl uses 94.152.255.100.
Mail Servers
Mail for certools.pl is handled by one mail server — certools.pl.
certools.pl carries a single IP number, which is 94.152.13.16.