builder.com.pl - dns.ninja
builder.com.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 94.152.137.97🇵🇱 CF-KRK94.152.128.0/19 Fx | ||||||
| PTR | portfolio.optimal.net.pl | ||||||
| NS | ns1.kei.pl ⭐ ⚠️ Not in parent delegation | ||||||
| A | 94.152.254.100🇵🇱 OXYLION-AS94.152.254.0/24 | ||||||
| PTR | ns1.kei.pl | ||||||
| NS | ns1.tld.pl ⚠️ Not in zone NS records | ||||||
| A | 94.152.254.101🇵🇱 OXYLION-AS94.152.254.0/24 | ||||||
| PTR | ns1.tld.pl | ||||||
| NS | ns2.kei.pl ⚠️ Not in parent delegation | ||||||
| A | 94.152.255.100🇵🇱 OXYLION-AS94.152.255.0/24 | ||||||
| PTR | ns2.kei.pl | ||||||
| NS | ns2.tld.pl ⚠️ Not in zone NS records | ||||||
| A | 94.152.255.101🇵🇱 OXYLION-AS94.152.255.0/24 | ||||||
| PTR | ns2.tld.pl | ||||||
| MX | builder.com.pl ⭐ | ||||||
| A | 94.152.137.97🇵🇱 CF-KRK94.152.128.0/19 Fx | ||||||
| PTR | portfolio.optimal.net.pl | ||||||
| TXT | v=spf1 a mx include:spf.tld.pl -all | ||||||
| SOA | ns1.kei.pladmin@kei.pl 2026-02-23 #0 | ||||||
com.pl
| DNSSEC | ⚠️ Not signed | ||||||
| NS | a-dns.pl ⭐ ⚠️ Not in parent delegation | ||||||
| NS | b-dns.pl ⚠️ Not in parent delegation | ||||||
| NS | d-dns.pl ⚠️ Not in parent delegation | ||||||
| NS | f-dns.pl ⚠️ Not in parent delegation | ||||||
| NS | h-dns.pl ⚠️ Not in parent delegation | ||||||
| NS | j-dns.pl ⚠️ Not in parent delegation | ||||||
| SOA | a-dns.pldnsmaster@nask.pl serial=1783924344 | ||||||
MX for
builder.com.pl |
Same first word
Similar names
DNS History
6 records (6 active, 0 former)
●NSns1.kei.pl2015-08-15 → 2026-07-13 · 5 obs
● 2026-05-09 00:06:10
○ 2026-05-12 17:58:10
● 2026-07-01 05:13:24
● 2026-07-13 16:40:36
●NSns1.tld.pl2026-03-06 → 2026-07-13 · 3 obs
● 2026-03-06 23:47:28
● 2026-07-13 16:40:36
●NSns2.kei.pl2015-08-15 → 2026-07-13 · 5 obs
● 2026-05-09 00:06:10
○ 2026-05-12 17:58:10
● 2026-07-01 05:13:24
● 2026-07-13 16:40:36
●NSns2.tld.pl2026-03-06 → 2026-07-13 · 3 obs
● 2026-03-06 23:47:28
● 2026-07-13 16:40:36
●MXbuilder.com.pl2015-08-15 → 2026-07-13 · 5 obs
● 2026-05-09 00:06:10
○ 2026-05-12 17:58:10
● 2026-07-01 05:13:24
● 2026-07-13 16:40:36
●A94.152.137.972015-08-15 → 2026-07-13 · 5 obs
● 2026-05-09 00:06:10
○ 2026-05-12 17:58:10
● 2026-07-01 05:13:24
● 2026-07-13 16:40:36
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | b-dns.pl, h-dns.pl, f-dns.pl, a-dns.pl... | - |
| builder.com.pl | ns2.tld.pl, ns1.tld.pl | - |
✅ Authoritative Response
Server:94.152.255.101
NS records: ns2.tld.pl, ns1.tld.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for builder.com.pl (unsigned zone)
⏱️ Timing
Total: 471ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 94.152.137.97 |
| NS | 2 | ns1.kei.pl, ns2.kei.pl |
| MX | 1 | builder.com.pl (pri: 10) |
| TXT | 1 | v=spf1 a mx include:spf.tld.pl -all |
| SOA | 1 | ns1.kei.pl admin.kei.pl |
Analysis
Mail Server Role
builder.com.pl acts as its own mail server.
IP Addresses
builder.com.pl points to a single IP number: 94.152.137.97.
Additional host names — bielser.pl, kx.pl, naszezabrze.pl and two others — share IP numbers with builder.com.pl.
Name Servers
builder.com.pl has four authoritative name servers: ns1.kei.pl, ns2.kei.pl, ns1.tld.pl and ns2.tld.pl.
builder.com.pl partially shares its NS delegation with several other domains, including astir.pl, 134.152.94.in-addr.arpa, digitent.cz and two others.
These name servers often co-occur with the name servers ns3.kei.pl.
ns1.kei.pl, ns2.kei.pl, ns1.tld.pl and ns2.tld.pl each resolve to one IP address: ns1.kei.pl resolves to 94.152.254.100, ns2.kei.pl resolves to 94.152.255.100, ns1.tld.pl resolves to 94.152.254.101 and ns2.tld.pl resolves to 94.152.255.101.
Mail Servers
builder.com.pl has a single mail server: builder.com.pl itself.
builder.com.pl carries a single IP number, which is 94.152.137.97.