serv4b.com - dns.ninja
serv4b.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 155.133.73.9🇩🇪 Info-Projekt-IT155.133.73.0/24 PL-VOICE-NET-6 | ||||||
| NS | dns1.tld.pl ⭐ | ||||||
| A | 94.152.255.104🇵🇱 OXYLION-AS94.152.255.0/24 | ||||||
| PTR | dns1.tld.pl | ||||||
| NS | dns2.tld.pl | ||||||
| A | 94.152.254.104🇵🇱 OXYLION-AS94.152.254.0/24 | ||||||
| PTR | dns2.tld.pl | ||||||
| NS | dns3.tld.pl | ||||||
| A | 94.152.254.154🇵🇱 OXYLION-AS94.152.254.0/24 | ||||||
| PTR | dns3.tld.pl | ||||||
| MX | poczta.serv4b.pl ⭐ | ||||||
| A | 155.133.73.5🇩🇪 Info-Projekt-IT155.133.73.0/24 PL-VOICE-NET-6 | ||||||
| PTR | poczta.info-projekt-it.pl | ||||||
| PTR | poczta.ip-it.pl | ||||||
| PTR | poczta.serv4b.pl | ||||||
| TXT | v=spf1 include:spf.active24.pl -all | ||||||
| TXT | Active24.PL | ||||||
| SOA | dns1.tld.pladmin@dns1.tld.pl 2026-07-16 #1 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1784336547 | ||||||
Subdomains
www.serv4b.com |
Same first word
DNS History
11 records (5 active, 6 former)
○NSdns1.nano.pl2015-08-05 → 2017-05-25 · 4 obs
● 2017-05-25 17:46:10
○ 2026-02-21 15:22:04
○ 2026-07-18 01:25:40
●NSdns1.tld.pl2026-02-21 → 2026-07-18 · 3 obs
● 2026-02-21 15:22:04
● 2026-07-18 01:25:40
○NSdns2.nano.pl2015-08-05 → 2017-05-25 · 4 obs
● 2017-05-25 17:46:10
○ 2026-02-21 15:22:04
○ 2026-07-18 01:25:40
●NSdns2.tld.pl2026-02-21 → 2026-07-18 · 3 obs
● 2026-02-21 15:22:04
● 2026-07-18 01:25:40
○NSdns3.nano.pl2015-08-05 → 2017-05-25 · 4 obs
● 2017-05-25 17:46:10
○ 2026-02-21 15:22:04
○ 2026-07-18 01:25:40
●NSdns3.tld.pl2026-02-21 → 2026-07-18 · 3 obs
● 2026-02-21 15:22:04
● 2026-07-18 01:25:40
○MXmx.active24.pl2015-08-05 → 2015-08-05 · 3 obs
○ 2015-12-18 20:24:30
○ 2026-07-18 01:25:40
●MXpoczta.serv4b.pl2015-12-18 → 2026-07-18 · 3 obs
● 2015-12-18 20:24:30
● 2026-07-18 01:25:40
●A155.133.73.92026-02-21 → 2026-07-18 · 3 obs
● 2026-02-21 15:22:04
● 2026-07-18 01:25:40
○A195.78.67.2082015-08-05 → 2015-08-05 · 3 obs
○ 2015-12-18 20:24:30
○ 2026-07-18 01:25:40
○A89.188.223.692015-12-18 → 2017-05-25 · 5 obs
● 2015-12-18 20:24:30
● 2017-05-25 17:46:10
○ 2026-02-21 15:22:04
○ 2026-07-18 01:25:40
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| serv4b.com | dns2.tld.pl, dns1.tld.pl, dns3.tld.pl | - |
✅ Authoritative Response
Server:94.152.254.154
NS records: dns2.tld.pl, dns1.tld.pl, dns3.tld.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for serv4b.com (unsigned zone)
⏱️ Timing
Total: 3425ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 155.133.73.9 |
| NS | 3 | dns1.tld.pl, dns3.tld.pl... |
| MX | 1 | poczta.serv4b.pl (pri: 10) |
| TXT | 2 | Active24.PL, v=spf1 include:spf.active24.pl -all |
| SOA | 1 | dns1.tld.pl admin.dns1.tld.pl |
Analysis
Hierarchy
www.serv4b.com is a subdomain of serv4b.com.
IP Addresses
serv4b.com points to a single IP number: 155.133.73.9.
Host names such as www.serv4b.com, www.ip-it.pl and info-projekt-it.pl share their IP numbers with serv4b.com.
Name Servers
DNS for serv4b.com is handled by three authoritative name servers: dns1.tld.pl, dns2.tld.pl and dns3.tld.pl.
The name servers of serv4b.com overlap at least partially with those of other domains — among them eportalznizek.pl, aqualight.pl, enspirion.pl and two more.
These name servers commonly appear in combination with the name servers dns1.nano.pl.
dns1.tld.pl, dns2.tld.pl and dns3.tld.pl all have one IP address each — dns1.tld.pl directs to 94.152.255.104, dns2.tld.pl directs to 94.152.254.104 and dns3.tld.pl directs to 94.152.254.154.
Mail Servers
serv4b.com has one mail server: poczta.serv4b.pl.
poczta.serv4b.pl has exactly one IP number: 155.133.73.5.