dulnet.pl - robtex.com
dulnet.pl
| DNSSEC | ⚠️ Not signed | ||||||
| A | 91.237.52.196🇵🇱 BIZNESHOST-AS91.237.52.0/24 | ||||||
| PTR | s133.cyber-folks.pl | ||||||
| NS | ns1.cyberfolks.pl ⭐ | ||||||
| A | 94.152.254.111🇵🇱 OXYLION-AS94.152.254.0/24 | ||||||
| PTR | ns1.cyberfolks.pl | ||||||
| NS | ns2.cyberfolks.pl | ||||||
| A | 94.152.255.111🇵🇱 OXYLION-AS94.152.255.0/24 | ||||||
| PTR | ns2.cyberfolks.pl | ||||||
| NS | ns3.cyberfolks.pl | ||||||
| A | 94.152.254.161🇵🇱 OXYLION-AS94.152.254.0/24 | ||||||
| PTR | ns3.cyberfolks.pl | ||||||
| MX | mail.dulnet.pl ⭐ | ||||||
| A | 91.237.52.196🇵🇱 BIZNESHOST-AS91.237.52.0/24 | ||||||
| PTR | s133.cyber-folks.pl | ||||||
| TXT | 7afd7d1d350136b6aae48c6797020110dab859e75a002f1f473080753749c5c | ||||||
| TXT | v=spf1 a mx include:_spf.cyberfolks.pl -all | ||||||
| SOA | ns1.cyberfolks.pladmin@futurehost.pl 2026-07-19 #17 | ||||||
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=1785306699 | ||||||
Subdomains
mail.dulnet.pl |
Same first word
Similar names
DNS History
9 records (5 active, 4 former)
●NSns1.cyberfolks.pl2026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 12:44:44
○NSns1.futurehost.pl2015-07-04 → 2017-01-06 · 3 obs
● 2017-01-06 15:38:20
○ 2026-07-29 12:44:44
●NSns2.cyberfolks.pl2026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 12:44:44
○NSns2.futurehost.pl2015-07-04 → 2017-01-06 · 3 obs
● 2017-01-06 15:38:20
○ 2026-07-29 12:44:44
●NSns3.cyberfolks.pl2026-07-29 → 2026-07-29 · 2 obs
● 2026-07-29 12:44:44
○NSns3.futurehost.pl2015-07-04 → 2017-01-06 · 4 obs
● 2017-01-06 15:38:20
○ 2026-07-02 11:55:02
○ 2026-07-29 12:44:44
●MXmail.dulnet.pl2015-07-04 → 2026-07-29 · 2 obs
● 2026-07-29 12:44:44
○A91.200.185.2422015-07-04 → 2017-01-06 · 4 obs
● 2017-01-06 15:38:20
○ 2026-07-02 11:55:02
○ 2026-07-29 12:44:44
●A91.237.52.1962026-07-02 → 2026-07-29 · 3 obs
● 2026-07-02 11:55:02
● 2026-07-29 12:44:44
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| pl | f-dns.pl, b-dns.pl, j-dns.pl, h-dns.pl... | - |
| dulnet.pl | ns3.cyberfolks.pl, ns2.cyberfolks.pl, ns1.cyberfolks.pl | 3 records |
✅ Authoritative Response
Server:94.152.254.161
NS records: ns3.cyberfolks.pl, ns2.cyberfolks.pl, ns1.cyberfolks.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for dulnet.pl (unsigned zone)
⏱️ Timing
Total: 222ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 91.237.52.196 |
| NS | 3 | ns1.cyberfolks.pl, ns2.cyberfolks.pl... |
| MX | 1 | mail.dulnet.pl (pri: 10) |
| TXT | 2 | 7afd7d1d350136b6aae48c6797020110dab859e7, v=spf1 a mx include:_spf.cyberfolks.pl - |
| SOA | 1 | ns1.cyberfolks.pl admin.futurehost.pl |
📌 Glue Records Collected
Total: 3
Out-of-bailiwick: 3 (ns3.cyberfolks.pl, ns2.cyberfolks.pl, ns1.cyberfolks.pl)
Analysis
Hierarchy
The domain mail.dulnet.pl falls under the parent dulnet.pl.
IP Addresses
dulnet.pl points to a single IP number: 91.237.52.196.
Additional host names — mail.joyful.pl, mail.optigru.com, mail.maxisite.pl and two others — share IP numbers with dulnet.pl.
Name Servers
dulnet.pl is served by three name servers: ns1.cyberfolks.pl, ns2.cyberfolks.pl and ns3.cyberfolks.pl.
At least some of dulnet.pl's name servers are shared with other domains, for example growmen.pl, elpom.biz, polidmex.pl and two more.
These name servers are frequently paired with the name servers ns1.hekko.net.pl, ns2.hekko.net.pl, dns1.linuxpl.com and two others.
ns1.cyberfolks.pl has IP address 94.152.254.111, ns2.cyberfolks.pl has IP address 94.152.255.111 and ns3.cyberfolks.pl has IP address 94.152.254.161 — one address each.
Mail Servers
dulnet.pl has one mail server: mail.dulnet.pl.
mail.dulnet.pl resolves to 91.237.52.196 and no other IP number.