well4u.eu - robtex.com
well4u.eu
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.201.136.131🇵🇱 COMARCH-AS193.201.136.0/24 Comarch S.A. | ||||||
| PTR | mars.casper.pl | ||||||
| NS | dns2.smarthost.pl ⭐ | ||||||
| A | 2001:678:63c:0:9:c15d:580a:1🇵🇱 AS-SMARTHOST-PL2001:678:63c::/48 Smarthost - european hosting | ||||||
| PTR | server-ba10.rev6.smarthost.pl | ||||||
| A | 193.93.88.10🇵🇱 AS-SMARTHOST-PL193.93.88.0/22 TRUSTNET | ||||||
| PTR | server-ba10.rev.smarthost.pl | ||||||
| NS | dns.smarthost.pl | ||||||
| A | 2001:678:63c:0:9:5bd3:dc0a:1🇵🇱 AS-SMARTHOST-PL2001:678:63c::/48 Smarthost - european hosting | ||||||
| PTR | server-aa10.rev6.smarthost.pl | ||||||
| A | 91.211.220.10🇵🇱 AS-SMARTHOST-PL91.211.220.0/22 Smarthost - european hosting | ||||||
| PTR | server-aa10.rev.smarthost.pl | ||||||
| NS | dns3.smarthost.pl | ||||||
| A | 2001:41d0:203:58c3:0:335b:1bc3:1🇫🇷 OVH2001:41d0::/32 IPv6 | ||||||
| PTR | dns3.smarthost.pl | ||||||
| A | 51.91.27.195🇫🇷 OVH51.91.0.0/16 | ||||||
| PTR | dns3.smarthost.pl | ||||||
| MX | mail.well4u.eu ⭐ | ||||||
| A | 91.211.221.251🇵🇱 AS-SMARTHOST-PL91.211.220.0/22 Smarthost - european hosting | ||||||
| PTR | server-ab251.rev.smarthost.pl | ||||||
| TXT | v=spf1 +a +mx +ip4:91.211.220.57 ~all | ||||||
| SOA | dns.smarthost.plsysadmin@smarthost.pl 2026-03-25 #3 | ||||||
eu
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | si.dns.eu ⭐ | ||||||
| NS | be.dns.eu | ||||||
| NS | w.dns.eu | ||||||
| NS | x.dns.eu | ||||||
| NS | y.dns.eu | ||||||
| SOA | si.dns.eutech@eurid.eu serial=1124158144 | ||||||
Subdomains
mail.well4u.eu |
Same first word
DNS History
12 records (5 active, 7 former)
●NSdns.smarthost.pl2026-03-17 → 2026-05-13 · 3 obs
● 2026-03-17 22:28:06
● 2026-05-13 10:14:10
●NSdns2.smarthost.pl2026-03-17 → 2026-05-13 · 3 obs
● 2026-03-17 22:28:06
● 2026-05-13 10:14:10
●NSdns3.smarthost.pl2026-03-17 → 2026-05-13 · 3 obs
● 2026-03-17 22:28:06
● 2026-05-13 10:14:10
○NSns1.argewebhosting.eu2015-08-10 → 2017-03-16 · 4 obs
● 2017-03-16 08:44:24
○ 2020-03-04 02:39:42
○ 2026-05-13 10:14:10
○NSns2.argewebhosting.com2015-08-10 → 2017-03-16 · 4 obs
● 2017-03-16 08:44:24
○ 2020-03-04 02:39:42
○ 2026-05-13 10:14:10
○NSns3.argewebhosting.nl2015-08-10 → 2017-03-16 · 4 obs
● 2017-03-16 08:44:24
○ 2020-03-04 02:39:42
○ 2026-05-13 10:14:10
○MXbounce.argewebhosting.nl2015-08-10 → 2017-03-16 · 4 obs
● 2017-03-16 08:44:24
○ 2020-03-04 02:39:42
○ 2026-05-13 10:14:10
●MXmail.well4u.eu2026-03-17 → 2026-05-13 · 3 obs
● 2026-03-17 22:28:06
● 2026-05-13 10:14:10
○A145.131.10.2472017-03-16 → 2017-03-16 · 4 obs
● 2017-03-16 08:44:24
○ 2020-03-04 02:39:42
○ 2026-05-13 10:14:10
○A145.131.15.2132016-07-06 → 2016-07-06 · 4 obs
● 2016-07-06 18:29:02
○ 2017-03-16 08:44:24
○ 2026-05-13 10:14:10
●A193.201.136.1312026-03-17 → 2026-05-13 · 3 obs
● 2026-03-17 22:28:06
● 2026-05-13 10:14:10
○A194.165.34.1292015-08-10 → 2016-03-12 · 4 obs
● 2016-03-12 01:10:22
○ 2016-07-06 18:29:02
○ 2026-05-13 10:14:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| eu | w.dns.eu, si.dns.eu, be.dns.eu, x.dns.eu... | - |
| well4u.eu | dns.smarthost.pl, dns2.smarthost.pl, dns3.smarthost.pl | - |
✅ Authoritative Response
Server:91.211.220.10
NS records: dns.smarthost.pl, dns2.smarthost.pl, dns3.smarthost.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for well4u.eu (unsigned zone)
⏱️ Timing
Total: 579ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.201.136.131 |
| NS | 3 | dns3.smarthost.pl, dns.smarthost.pl... |
| MX | 1 | mail.well4u.eu (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:91.211.220.57 ~all |
| SOA | 1 | dns.smarthost.pl sysadmin.smarthost.pl |
Analysis
Hierarchy
well4u.eu is the parent of mail.well4u.eu.
IP Addresses
well4u.eu resolves to a single IP address: 193.201.136.131.
Other host names including stolarskie24.pl, e-vanilla.pl, dtm.pl, shop.monolith-polska.com and puls24.pl share IP numbers with well4u.eu.
Name Servers
well4u.eu is delegated to three name servers: dns2.smarthost.pl, dns3.smarthost.pl and dns.smarthost.pl.
well4u.eu at least partially shares name servers with other domains, including hubag.pl, andrzejpaszkiewicz.pl, vidok.eu, muzaic.biz and kaps.com.pl.
Host names with two IP numbers:
dns2.smarthost.pl points to: 2001:678:63c:0:9:c15d:580a:1 and 193.93.88.10
dns3.smarthost.pl points to: 2001:41d0:203:58c3:0:335b:1bc3:1 and 51.91.27.195
dns.smarthost.pl points to: 2001:678:63c:0:9:5bd3:dc0a:1 and 91.211.220.10
Mail Servers
well4u.eu is handled by a single mail server, mail.well4u.eu.
mail.well4u.eu points to a single IP: 91.211.221.251.