sdev.pl - dns.ninja
sdev.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 188.210.221.83🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski | ||||||
| PTR | host-18821022183.seohost-mail.eu | ||||||
| NS | ns1.seohost.pl ⭐ | ||||||
| A | 185.200.47.250🇵🇱 DATASPACE185.200.44.0/22 IPv4 route for PERSKIMEDIA Szymon Perski | ||||||
| PTR | host-18520047250.seohost-mail.eu | ||||||
| A | 188.210.221.52🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski | ||||||
| PTR | host-18821022152.seohost-mail.eu | ||||||
| NS | ns2.seohost.pl | ||||||
| A | 188.210.221.179🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski | ||||||
| PTR | host-188210221179.seohost-mail.eu | ||||||
| A | 188.210.223.253🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski | ||||||
| PTR | host-188210223253.seohost-mail.eu | ||||||
| MX | mail.sdev.pl ⭐ | ||||||
| A | 188.210.221.83🇵🇱 DATASPACE188.210.220.0/22 IPv4 route for PERSKIMEDIA Szymon Perski | ||||||
| PTR | host-18821022183.seohost-mail.eu | ||||||
| TXT | v=spf1 ip4:51.68.134.130 redirect=_spf-h23.microhost.pl | ||||||
| TXT | MS=ms43098826 | ||||||
| SOA | ns1.seohost.plhostmaster@sdev.pl 2026-05-31 #3 | ||||||
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=1780986657 | ||||||
Previously MX for
sdev.pl |
Subdomains
mail.sdev.pl |
Same first word
Similar names
DNS History
16 records (4 active, 12 former)
○NSdns.home.pl2017-07-12 → 2017-08-14 · 5 obs
● 2017-07-12 02:43:46
● 2017-08-14 15:03:00
○ 2026-02-14 23:46:44
○ 2026-06-09 11:48:44
○NSdns2.home.pl2017-07-12 → 2017-08-14 · 5 obs
● 2017-07-12 02:43:46
● 2017-08-14 15:03:00
○ 2026-02-14 23:46:44
○ 2026-06-09 11:48:44
○NSdns3.home.pl2017-07-12 → 2017-08-14 · 5 obs
● 2017-07-12 02:43:46
● 2017-08-14 15:03:00
○ 2026-02-14 23:46:44
○ 2026-06-09 11:48:44
○NSns1.dahost.pl2015-09-02 → 2015-12-23 · 4 obs
● 2015-12-23 05:51:38
○ 2016-03-07 10:21:24
○ 2026-06-09 11:48:44
○NSns1.nazwa.pl2016-09-17 → 2016-09-17 · 4 obs
● 2016-09-17 22:26:36
○ 2017-07-12 02:43:46
○ 2026-06-09 11:48:44
●NSns1.seohost.pl2026-02-14 → 2026-06-09 · 3 obs
● 2026-02-14 23:46:44
● 2026-06-09 11:48:44
○NSns2.dahost.pl2015-09-02 → 2015-12-23 · 4 obs
● 2015-12-23 05:51:38
○ 2016-03-07 10:21:24
○ 2026-06-09 11:48:44
○NSns2.nazwa.pl2016-09-17 → 2016-09-17 · 4 obs
● 2016-09-17 22:26:36
○ 2017-07-12 02:43:46
○ 2026-06-09 11:48:44
●NSns2.seohost.pl2026-02-14 → 2026-06-09 · 3 obs
● 2026-02-14 23:46:44
● 2026-06-09 11:48:44
○NSns3.nazwa.pl2016-09-17 → 2016-09-17 · 4 obs
● 2016-09-17 22:26:36
○ 2017-07-12 02:43:46
○ 2026-06-09 11:48:44
●MXmail.sdev.pl2015-09-02 → 2026-06-09 · 6 obs
● 2015-12-23 05:51:38
○ 2016-03-07 10:21:24
○ 2017-08-14 15:03:00
● 2026-02-14 23:46:44
● 2026-06-09 11:48:44
○MXsdev.pl2016-09-17 → 2017-08-14 · 5 obs
● 2016-09-17 22:26:36
● 2017-08-14 15:03:00
○ 2026-02-14 23:46:44
○ 2026-06-09 11:48:44
●A188.210.221.832026-02-14 → 2026-06-09 · 3 obs
● 2026-02-14 23:46:44
● 2026-06-09 11:48:44
○A193.17.184.752015-09-02 → 2015-12-23 · 4 obs
● 2015-12-23 05:51:38
○ 2016-03-07 10:21:24
○ 2026-06-09 11:48:44
○A79.96.208.1442017-07-12 → 2017-08-14 · 5 obs
● 2017-07-12 02:43:46
● 2017-08-14 15:03:00
○ 2026-02-14 23:46:44
○ 2026-06-09 11:48:44
○A85.128.244.1032016-09-17 → 2016-09-17 · 4 obs
● 2016-09-17 22:26:36
○ 2017-07-12 02:43:46
○ 2026-06-09 11:48:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl... | - |
| sdev.pl | ns1.seohost.pl, ns2.seohost.pl | 4 records |
✅ Authoritative Response
Server:188.210.221.179
NS records: ns1.seohost.pl, ns2.seohost.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for sdev.pl (unsigned zone)
⏱️ Timing
Total: 926ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 188.210.221.83 |
| NS | 2 | ns1.seohost.pl, ns2.seohost.pl |
| MX | 1 | mail.sdev.pl (pri: 10) |
| TXT | 2 | v=spf1 ip4:51.68.134.130 redirect=_spf-h, MS=ms43098826 |
| SOA | 1 | ns1.seohost.pl hostmaster.sdev.pl |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns1.seohost.pl, ns1.seohost.pl, ns2.seohost.pl...)
Analysis
Hierarchy
mail.sdev.pl is a subdomain of sdev.pl.
IP Addresses
sdev.pl has exactly one IP address — 188.210.221.83.
teleseks.pl, ataco.pl, tami.pl plus two other host names have IP numbers in common with sdev.pl.
Name Servers
The NS records for sdev.pl delegate to ns1.seohost.pl and ns2.seohost.pl.
The name server configuration of sdev.pl is shared with other domains, for instance multibaza.pl, novanta.pl, audiolite.pl and two others.
The name servers of sdev.pl overlap at least partially with those of other domains — among them monolitz.com, trosch.org, webiak.pl and two more.
These name servers commonly co-occur with the name servers ns1.microhost.pl, ns2.microhost.pl, d1.nslite.net and d2.nslite.net.
ns1.seohost.pl resolves to 185.200.47.250 and 188.210.221.52. Likewise, ns2.seohost.pl resolves to 188.210.221.179 and 188.210.223.253 — two IP addresses apiece.
Mail Servers
sdev.pl uses one mail server — mail.sdev.pl.
mail.sdev.pl resolves to 188.210.221.83 and no other IP number.