developconcept.pl - dns.ninja
developconcept.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.236.131.81🇵🇱 TARRCI-AS91.236.131.0/24 SEOHOST | ||||||
| PTR | host-9123613181.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.developconcept.pl ⭐ | ||||||
| A | 91.236.131.81🇵🇱 TARRCI-AS91.236.131.0/24 SEOHOST | ||||||
| PTR | host-9123613181.seohost-mail.eu | ||||||
| TXT | zJEuUD7AgvRJolqOmoVfE_xIo7Qt5noBcm-JBr8e9b4 | ||||||
| TXT | v=spf1 redirect=_spf-h81.microhost.pl | ||||||
| SOA | ns1.seohost.plhostmaster@developconcept.pl 2026-08-24 #5 | ||||||
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=1790577121 | ||||||
Subdomains
mail.developconcept.pl |
Same first word
developconcept.pl |
developconcept.de |
Previous names
Next names
DNS History
4 records (4 active, 0 former)
●NSns1.seohost.pl2026-09-05 → 2026-09-28 · 2 obs
● 2026-09-28 15:58:58
●NSns2.seohost.pl2026-09-05 → 2026-09-28 · 2 obs
● 2026-09-28 15:58:58
●MXmail.developconcept.pl2026-09-05 → 2026-09-28 · 2 obs
● 2026-09-28 15:58:58
●A91.236.131.812026-09-05 → 2026-09-28 · 2 obs
● 2026-09-28 15:58:58
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | a-dns.pl, h-dns.pl, b-dns.pl, f-dns.pl... | - |
| developconcept.pl | ns1.seohost.pl, ns2.seohost.pl | 4 records |
✅ Authoritative Response
Server:185.200.47.250
NS records: ns1.seohost.pl, ns2.seohost.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for developconcept.pl (unsigned zone)
⏱️ Timing
Total: 1477ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.236.131.81 |
| NS | 2 | ns1.seohost.pl, ns2.seohost.pl |
| MX | 1 | mail.developconcept.pl (pri: 10) |
| TXT | 2 | zJEuUD7AgvRJolqOmoVfE_xIo7Qt5noBcm-JBr8e, v=spf1 redirect=_spf-h81.microhost.pl |
| SOA | 1 | ns1.seohost.pl hostmaster.developconcept |
📌 Glue Records Collected
Total: 4
Out-of-bailiwick: 4 (ns2.seohost.pl, ns2.seohost.pl, ns1.seohost.pl...)
Analysis
Hierarchy
developconcept.pl serves as the parent of mail.developconcept.pl.
IP Addresses
developconcept.pl directs to one IP number, which is 91.236.131.81.
Among the host names that share IP numbers with developconcept.pl are jbmotoincidentate24.it, northbase.pl, mail.lsdevelop.pl and two others.
Name Servers
developconcept.pl has two authoritative name servers — ns1.seohost.pl and ns2.seohost.pl.
developconcept.pl has the same name server delegation as a number of other domains, such as amantonio.pl, movementdancestudio.pl, cki.pl and two more.
developconcept.pl has at least partial name server overlap with other domains, such as systemnawadniania.com, gkm.com.pl, fotozapis.pl and two others.
It is common to see these name servers used together with name servers ns1.microhost.pl and ns2.microhost.pl.
Both ns1.seohost.pl and ns2.seohost.pl have two IP addresses each. ns1.seohost.pl resolves to 185.200.47.250 and 188.210.221.52; ns2.seohost.pl resolves to 188.210.221.179 and 188.210.223.253.
Mail Servers
developconcept.pl routes its mail through a single mail server, mail.developconcept.pl.
mail.developconcept.pl points to one IP number — 91.236.131.81.