serwis4u.com - robtex.com
serwis4u.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 185.17.40.66🇵🇱 ARTNET185.17.40.0/24 Artnet Sp. z o.o. | ||||||
| PTR | ded2267.uphost.pro | ||||||
| NS | ns1.serwis4u.com ⭐ | ||||||
| A | 176.119.57.206🇵🇱 PL-OKTAWAVE-AS176.119.32.0/19 OKTAWAVE | ||||||
| PTR | ns1.uphost.pro | ||||||
| NS | ns2.serwis4u.com | ||||||
| A | 37.139.7.76🇳🇱 DIGITALOCEAN37.139.0.0/19 DigitalOcean | ||||||
| PTR | ns2.uphost.pro | ||||||
| MX | mail.serwis4u.com ⭐ | ||||||
| A | 185.17.40.66🇵🇱 ARTNET185.17.40.0/24 Artnet Sp. z o.o. | ||||||
| PTR | ded2267.uphost.pro | ||||||
| TXT | mailerlite-domain-verification=99bf0cea71eb33b819f6aa63c5cbf030eb27a321 | ||||||
| TXT | v=spf1 a mx ip4:185.17.40.66 include:_spf.mlsend.com ~all | ||||||
| TXT | google-site-verification=l9CFTqDtG1fraWFUeR-HNMV0MiMe2HDIYx9vbjazHl8 | ||||||
| SOA | ns1.serwis4u.comhostmaster@serwis4u.com 2026-01-16 #3 | ||||||
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=1774671492 | ||||||
Subdomains
Same first word
DNS History
5 records (4 active, 1 former)
●NSns1.serwis4u.com2015-07-02 → 2026-03-28 · 2 obs
● 2026-03-28 04:45:20
●NSns2.serwis4u.com2015-07-02 → 2026-03-28 · 2 obs
● 2026-03-28 04:45:20
●MXmail.serwis4u.com2015-07-02 → 2026-03-28 · 2 obs
● 2026-03-28 04:45:20
●A185.17.40.662026-02-14 → 2026-03-28 · 3 obs
● 2026-02-14 21:11:26
● 2026-03-28 04:45:20
○A185.5.96.792015-07-02 → 2016-08-18 · 4 obs
● 2016-08-18 12:16:28
○ 2026-02-14 21:11:26
○ 2026-03-28 04:45:20
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| serwis4u.com | ns1.serwis4u.com, ns2.serwis4u.com | 2 records |
✅ Authoritative Response
Server:37.139.7.76
NS records: ns1.serwis4u.com, ns2.serwis4u.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for serwis4u.com (unsigned zone)
⏱️ Timing
Total: 249ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 185.17.40.66 |
| NS | 2 | ns2.serwis4u.com, ns1.serwis4u.com |
| MX | 1 | mail.serwis4u.com (pri: 10) |
| TXT | 3 | google-site-verification=l9CFTqDtG1fraWF, v=spf1 a mx ip4:185.17.40.66 include:_sp... |
| SOA | 1 | ns1.serwis4u.com hostmaster.serwis4u.com |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.serwis4u.com, ns2.serwis4u.com)
Analysis
Hierarchy
serwis4u.com is a parent of ns1.serwis4u.com, mail.serwis4u.com, www.serwis4u.com, mx3.serwis4u.com and ns2.serwis4u.com.
IP Addresses
serwis4u.com points to a single IP number: 185.17.40.66.
other host names for instance diagnozaduszy.pl, mail.emy.com.pl, mail.serwis4u.com, ded2267.uphost.pro and jolart.pl share IP numbers with serwis4u.com.
Name Servers
serwis4u.com is delegated to two name servers: ns1.serwis4u.com and ns2.serwis4u.com.
serwis4u.com shares the same name server setup as other domains, such as emy.com.pl, serwis4u.eu, cb7.eu and diagnozaduszy.pl.
serwis4u.com at least partially shares its name servers with other domains, for instance jolart.pl.
These name servers are often used with ns1.uphost.pro and ns2.uphost.pro.
Host names with one IP number:
The host ns1.serwis4u.com points to 176.119.57.206 and the host ns2.serwis4u.com points to 37.139.7.76.
Mail Servers
serwis4u.com is handled by a single mail server, mail.serwis4u.com.
Host name mail.serwis4u.com points to IP address 185.17.40.66.