devco.pl - dns.ninja

`devco.pl`

DNSSEC	⚠️ Not signed
A	95.143.250.247^{🇵🇱 ULTRANET-AS95.143.240.0/20 Ultranet Sp. z o.o.}
		PTR	`95.143.250.247.ultranet.net.pl`
NS	`dns.ultranet.net.pl` ⭐
		A	2a03:4b00::102^{🇵🇱 ULTRANET-AS2a03:4b00::/32 Ultranet Sp. z o.o.}
			PTR	`dns6.ultranet.net.pl`
		A	95.143.240.10^{🇵🇱 ULTRANET-AS95.143.240.0/20 Ultranet Sp. z o.o.}
			PTR	`dns.ultranet.net.pl`
NS	`www.ultranet.net.pl`
		A	2a03:4b00::103^{🇵🇱 ULTRANET-AS2a03:4b00::/32 Ultranet Sp. z o.o.}
			PTR	`www6.ultranet.net.pl`
		A	95.143.250.250^{🇵🇱 ULTRANET-AS95.143.240.0/20 Ultranet Sp. z o.o.}
			PTR	`www.ultranet.net.pl`
MX	`devco-pl.mail.protection.outlook.com` ⭐
		A	2a01:111:f403:ca04::6^{🇮🇪 Microsoft2a01:111:f000::/36}
			PTR	`mail-db4pr02cu00406.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am3pr04cu00500.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::3^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-am6pr04cu00303.inbound.protection.outlook.com`
		A	2a01:111:f403:ca09::c^{🇳🇱 Microsoft2a01:111:f000::/36}
			PTR	`mail-as8pr05cu00304.inbound.protection.outlook.com`
		A	52.101.73.2^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr07cu00302.inbound.protection.outlook.com`
		A	52.101.73.24^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as8pr05cu00300.inbound.protection.outlook.com`
		A	52.101.73.26^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-as9pr05cu01302.inbound.protection.outlook.com`
		A	52.101.73.30^{🇳🇱 Microsoft52.96.0.0/12 MICROSOFT}
			PTR	`mail-am7pr05cu00306.inbound.protection.outlook.com`
MX	`biuro.devco.pl`⁽¹⁰⁾
		A	95.143.241.30^{🇵🇱 ULTRANET-AS95.143.240.0/20 Ultranet Sp. z o.o.}
			PTR	`biuro.devco.pl`
TXT	`v=spf1 include:spf.protection.outlook.com -all`
TXT	`ab5f87262a1c14caed0b8b6018aae2c29152eb9b246c6078fdaa29ef4057622`
TXT	`MS=ms52605371`
SOA	`dns.ultranet.net.pl`admin@ultranet.net.pl 2025-06-25 #1

`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=1780727695

Subdomains

www.devco.pl

biuro.devco.pl

Same first word

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DNS History

9 records (5 active, 4 former)

●NSdns.ultranet.net.pl2015-06-15 → 2026-06-07 · 2 obs

● 2015-06-15 21:03:06
● 2026-06-07 06:50:04

●NSwww.ultranet.net.pl2015-06-15 → 2026-06-07 · 2 obs

● 2015-06-15 21:03:06
● 2026-06-07 06:50:04

●MXbiuro.devco.pl2015-06-15 → 2026-06-07 · 2 obs

● 2015-06-15 21:03:06
● 2026-06-07 06:50:04

●MXdevco-pl.mail.protection.outlook.com2026-02-15 → 2026-06-07 · 3 obs

○ 2018-12-28 17:14:22
● 2026-02-15 02:26:04
● 2026-06-07 06:50:04

○MXdns.devco.pl2015-06-15 → 2016-01-02 · 4 obs

● 2015-06-15 21:03:06
● 2016-01-02 12:38:04
○ 2016-07-30 02:25:26
○ 2026-06-07 06:50:04

○MXmail.devco.pl2015-06-15 → 2018-12-28 · 4 obs

● 2015-06-15 21:03:06
● 2018-12-28 17:14:22
○ 2026-02-15 02:26:04
○ 2026-06-07 06:50:04

○MXwww.devco.pl2016-07-30 → 2018-12-28 · 5 obs

○ 2016-01-02 12:38:04
● 2016-07-30 02:25:26
● 2018-12-28 17:14:22
○ 2026-02-15 02:26:04
○ 2026-06-07 06:50:04

●A95.143.250.2472018-12-28 → 2026-06-07 · 3 obs

○ 2015-06-15 21:03:06
● 2018-12-28 17:14:22
● 2026-06-07 06:50:04

○A95.143.250.2502015-06-15 → 2018-12-28 · 4 obs

● 2015-06-15 21:03:06
● 2018-12-28 17:14:22
○ 2026-02-15 02:26:04
○ 2026-06-07 06:50:04

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
pl	a-dns.pl, b-dns.pl, d-dns.pl, f-dns.pl...	-
devco.pl	dns.ultranet.net.pl, www.ultranet.net.pl	-

✅ Authoritative Response

Server:95.143.250.250

NS records: dns.ultranet.net.pl, www.ultranet.net.pl

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for devco.pl (unsigned zone)

⏱️ Timing

Total: 1003ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`95.143.250.247`
NS	2	`www.ultranet.net.pl, dns.ultranet.net.pl`
MX	2	`biuro.devco.pl (pri: 10), devco-pl.mail.protection.outlook.com (pr`
TXT	3	`ab5f87262a1c14caed0b8b6018aae2c29152eb9b, MS=ms52605371...`
SOA	1	`dns.ultranet.net.pl admin.ultranet.net.p`

Analysis

Hierarchy

devco.pl is the parent domain of www.devco.pl and biuro.devco.pl.

IP Addresses

devco.pl points to a single IP number: 95.143.250.247.

Other host names, among them wpb.pl and www.devco.pl, have IP numbers in common with devco.pl.

Name Servers

Two name servers handle the delegation for devco.pl: dns.ultranet.net.pl and www.ultranet.net.pl.

devco.pl shares its name server setup with other domains, including 250.143.95.in-addr.arpa, 244.143.95.in-addr.arpa, wpb.pl and two others.

At least some of devco.pl's name servers are shared with other domains, for example ultranet.net.pl, vulcan.com.pl, lizards.pl and two more.

These name servers are often deployed together with the name servers dns2.ultranet.net.pl, dns.vulcan.pl, 89.25.189.98 and 95.143.240.10.

dns.ultranet.net.pl and www.ultranet.net.pl both carry two IP addresses. The A records for dns.ultranet.net.pl are 95.143.240.10 and 2a03:4b00::102; the A records for www.ultranet.net.pl are 95.143.250.250 and 2a03:4b00::103.

Mail Servers

devco.pl has two mail servers: biuro.devco.pl and devco-pl.mail.protection.outlook.com.

Host names with 8 IP numbers:

devco-pl.mail.protection.outlook.com directs to 52.101.73.2, 52.101.73.24, 52.101.73.26 and five additional IP addresses.

Host names with one IP number:

The hostname biuro.devco.pl resolves to 95.143.241.30.