🛡️Domain Reputation CheckBlocklist, phishing & malware status→

`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	`v=spf1 redirect=_spf-h81.microhost.pl`
TXT	`zJEuUD7AgvRJolqOmoVfE_xIo7Qt5noBcm-JBr8e9b4`
SOA	`ns1.seohost.pl`hostmaster@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.pl`dnsmaster@nask.pl serial=1789126933

Same first word

developconcept.pl

developconcept.de

Previous names

Next names

DNS History

4 records (4 active, 0 former)

●NSns1.seohost.pl2026-09-05 → 2026-09-12 · 2 obs

● 2026-09-05 12:58:26
● 2026-09-12 04:09:02

●NSns2.seohost.pl2026-09-05 → 2026-09-12 · 2 obs

● 2026-09-05 12:58:26
● 2026-09-12 04:09:02

●MXmail.developconcept.pl2026-09-05 → 2026-09-12 · 2 obs

● 2026-09-05 12:58:26
● 2026-09-12 04:09:02

●A91.236.131.812026-09-05 → 2026-09-12 · 2 obs

● 2026-09-05 12:58:26
● 2026-09-12 04:09:02

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	f-dns.pl, b-dns.pl, j-dns.pl, h-dns.pl...	12 records
developconcept.pl	ns2.seohost.pl, ns1.seohost.pl	4 records

✅ Authoritative Response

Server:188.210.221.179

NS records: ns2.seohost.pl, ns1.seohost.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for developconcept.pl (unsigned zone)

⏱️ Timing

Total: 581ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`91.236.131.81`
NS	2	`ns2.seohost.pl, ns1.seohost.pl`
MX	1	`mail.developconcept.pl (pri: 10)`
TXT	2	`v=spf1 redirect=_spf-h81.microhost.pl, zJEuUD7AgvRJolqOmoVfE_xIo7Qt5noBcm-JBr8e`
SOA	1	`ns1.seohost.pl hostmaster.developconcept`

📌 Glue Records Collected

Total: 16

In-bailiwick: 12 (f-dns.pl, f-dns.pl, b-dns.pl...)

Out-of-bailiwick: 4 (ns2.seohost.pl, ns2.seohost.pl, ns1.seohost.pl...)

Analysis

IP Addresses

developconcept.pl resolves to one IP address: 91.236.131.81.

jbmotoincidentate24.it, mail.lsdevelop.pl, colorcubano.pl and two other host names share IP numbers with developconcept.pl.

Name Servers

The NS records for developconcept.pl delegate to ns1.seohost.pl and ns2.seohost.pl.

developconcept.pl uses the same name servers as several other domains — among them amantonio.pl, movementdancestudio.pl, cki.pl and two more.

At least some of developconcept.pl's name servers are shared with other domains, for example systemnawadniania.com, gkm.com.pl, fotozapis.pl and two more.

These name servers tend to be deployed in combination with the name servers ns1.microhost.pl and ns2.microhost.pl.

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

Mail for developconcept.pl is handled by a single mail server, mail.developconcept.pl.

mail.developconcept.pl resolves to 91.236.131.81 and no other IP number.

developconcept.pl - robtex.com