dulnik.com - dns.ninja
dulnik.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.236.131.77🇵🇱 TARRCI-AS91.236.131.0/24 SEOHOST | ||||||
| PTR | host-9123613177.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.dulnik.com ⭐ | ||||||
| A | 91.236.131.77🇵🇱 TARRCI-AS91.236.131.0/24 SEOHOST | ||||||
| PTR | host-9123613177.seohost-mail.eu | ||||||
| TXT | v=spf1 redirect=_spf-h77.microhost.pl | ||||||
| SOA | ns1.seohost.plhostmaster@dulnik.com 2026-07-05 #3 | ||||||
com
| DNSSEC | 🔒 Signed (DS record present) | ||||||
| NS | a.gtld-servers.net ⭐ | ||||||
| NS | b.gtld-servers.net | ||||||
| NS | c.gtld-servers.net | ||||||
| NS | d.gtld-servers.net | ||||||
| NS | e.gtld-servers.net | ||||||
| NS | f.gtld-servers.net | ||||||
| NS | g.gtld-servers.net | ||||||
| NS | h.gtld-servers.net | ||||||
| NS | i.gtld-servers.net | ||||||
| NS | j.gtld-servers.net | ||||||
| NS | k.gtld-servers.net | ||||||
| NS | l.gtld-servers.net | ||||||
| NS | m.gtld-servers.net | ||||||
| SOA | a.gtld-servers.netnstld@verisign-grs.com serial=1786540494 | ||||||
Previously MX for
dulnik.com |
Subdomains
mail.dulnik.com |
Same first word
Similar names
DNS History
13 records (4 active, 9 former)
○NSdns.home.pl2017-02-19 → 2020-01-14 · 4 obs
● 2020-01-14 23:33:38
○ 2026-07-08 10:48:10
○ 2026-08-12 13:22:12
○NSdns2.home.pl2017-02-19 → 2020-01-14 · 4 obs
● 2020-01-14 23:33:38
○ 2026-07-08 10:48:10
○ 2026-08-12 13:22:12
○NSdns3.home.pl2017-02-19 → 2020-01-14 · 4 obs
● 2020-01-14 23:33:38
○ 2026-07-08 10:48:10
○ 2026-08-12 13:22:12
●NSns1.seohost.pl2026-07-08 → 2026-08-12 · 3 obs
● 2026-07-08 10:48:10
● 2026-08-12 13:22:12
○NSns1.serwerbiegowe.ovh2026-07-08 → 2026-08-12 · 2 obs
○ 2026-08-12 13:22:12
●NSns2.seohost.pl2026-07-08 → 2026-08-12 · 3 obs
● 2026-07-08 10:48:10
● 2026-08-12 13:22:12
○NSns2.serwerbiegowe.ovh2026-07-08 → 2026-08-12 · 2 obs
○ 2026-08-12 13:22:12
○MXdulnik.com2017-02-19 → 2020-01-14 · 4 obs
● 2020-01-14 23:33:38
○ 2026-07-08 10:48:10
○ 2026-08-12 13:22:12
●MXmail.dulnik.com2026-07-08 → 2026-08-12 · 3 obs
● 2026-07-08 10:48:10
● 2026-08-12 13:22:12
○A178.63.234.512026-07-08 → 2026-08-12 · 2 obs
○ 2026-08-12 13:22:12
○A188.128.147.282017-02-19 → 2017-02-19 · 3 obs
○ 2020-01-14 23:33:38
○ 2026-08-12 13:22:12
○A188.128.240.2482020-01-14 → 2020-01-14 · 4 obs
● 2020-01-14 23:33:38
○ 2026-07-08 10:48:10
○ 2026-08-12 13:22:12
●A91.236.131.772026-07-08 → 2026-08-12 · 3 obs
● 2026-07-08 10:48:10
● 2026-08-12 13:22:12
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | l.gtld-servers.net, j.gtld-servers.net, h.gtld-servers.net, d.gtld-servers.net... | - |
| dulnik.com | ns1.seohost.pl, ns2.seohost.pl | - |
✅ Authoritative Response
Server:188.210.221.52
NS records: ns1.seohost.pl, ns2.seohost.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dulnik.com (unsigned zone)
⏱️ Timing
Total: 774ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.236.131.77 |
| NS | 2 | ns2.seohost.pl, ns1.seohost.pl |
| MX | 1 | mail.dulnik.com (pri: 10) |
| TXT | 1 | v=spf1 redirect=_spf-h77.microhost.pl |
| SOA | 1 | ns1.seohost.pl hostmaster.dulnik.com |
Analysis
Hierarchy
dulnik.com is the parent zone for mail.dulnik.com.
IP Addresses
dulnik.com directs to one IP number, which is 91.236.131.77.
Among the host names that share IP numbers with dulnik.com are zaker.pl, www.sp4reda.pl, nietrzymanie.pl and two others.
Name Servers
dulnik.com is served by two delegated name servers, ns1.seohost.pl and ns2.seohost.pl.
dulnik.com has the same name server delegation as a number of other domains, such as ronar.eu, staltech.malopolska.pl, biotena.com and two more.
dulnik.com partially shares its NS delegation with several other domains, including aimag.pl, hustawka.edu.pl, linter-ci.com and two others.
These name servers regularly co-occur with the name servers ns1.microhost.pl, ns2.microhost.pl and ns3.seohost.pl.
Each of the two host names carries two IP addresses: ns1.seohost.pl points to 185.200.47.250 and 188.210.221.52, and ns2.seohost.pl points to 188.210.221.179 and 188.210.223.253.
Mail Servers
dulnik.com routes its mail through a single mail server, mail.dulnik.com.
There is one IP number for mail.dulnik.com: 91.236.131.77.