kosztowny.com - robtex.com
kosztowny.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 46.242.248.87🇵🇱 HOMEPL-AS46.242.192.0/18 | ||||||
| PTR | cloudserver3263097-3263128.home.pl | ||||||
| NS | dns2.home.pl ⭐ | ||||||
| A | 2001:8d8:fe:53:6870::2🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | dns2.home.pl | ||||||
| A | 217.160.81.248🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | dns2.home.pl | ||||||
| NS | dns.home.pl | ||||||
| A | 2001:8d8:fe:53:6870::1🇩🇪 IONOS-AS2001:8d8:fe::/47 IONOS AS8560 anycast more specific | ||||||
| PTR | dns.home.pl | ||||||
| A | 217.160.80.244🇩🇪 IONOS-AS217.160.80.0/22 AS8560 anycast more specific | ||||||
| PTR | dns.home.pl | ||||||
| NS | dns3.home.pl | ||||||
| A | 2607:f1c0:fe:53:185:132:34:251🇺🇸 IONOS-ANYCAST2607:f1c0:fe::/47 AS8560 global anycast services (more specific) 1&1 IONOS Inc. 701 Lee Rd, Suite 300 Chesterbrook, PA 19087 US | ||||||
| PTR | dns3.home.pl | ||||||
| A | 185.132.34.251🇩🇪 IONOS-ANYCAST185.132.32.0/22 IONOS DNSAS (eBGP DNS) | ||||||
| PTR | dns3.home.pl | ||||||
| MX | kosztowny.com ⭐ | ||||||
| A | 46.242.248.87🇵🇱 HOMEPL-AS46.242.192.0/18 | ||||||
| PTR | cloudserver3263097-3263128.home.pl | ||||||
| TXT | v=spf1 mx a ptr ~all | ||||||
| SOA | dns.home.pladmin@home.pl serial=1551712536 | ||||||
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=1784592272 | ||||||
MX for
kosztowny.com |
Same first word
kosztowny.pl |
kosztowny.com |
DNS History
7 records (5 active, 2 former)
●MXkosztowny.com2015-06-17 → 2026-07-21 · 2 obs
● 2026-07-21 00:11:56
○A188.128.203.412015-06-17 → 2017-01-07 · 4 obs
● 2017-01-07 17:36:02
○ 2018-04-11 03:08:12
○ 2026-07-21 00:11:56
○A46.242.241.1852018-04-11 → 2018-04-11 · 3 obs
● 2018-04-11 03:08:12
○ 2026-07-21 00:11:56
●A46.242.248.872026-07-21 → 2026-07-21 · 2 obs
● 2026-07-21 00:11:56
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, h.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net... | - |
| kosztowny.com | dns.home.pl, dns2.home.pl, dns3.home.pl | - |
✅ Authoritative Response
Server:217.160.81.248
NS records: dns.home.pl, dns2.home.pl, dns3.home.pl
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kosztowny.com (unsigned zone)
⏱️ Timing
Total: 515ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 46.242.248.87 |
| NS | 3 | dns.home.pl, dns2.home.pl... |
| MX | 1 | kosztowny.com (pri: 10) |
| TXT | 1 | v=spf1 mx a ptr ~all |
| SOA | 1 | dns.home.pl admin.home.pl |
Analysis
Mail Server Role
kosztowny.com is listed as a mail server for itself.
IP Addresses
kosztowny.com resolves to one IP address: 46.242.248.87.
Host names such as cloudserver3263097-3263128.home.pl, autoimoto.online and lettre.pl share their IP numbers with kosztowny.com.
Name Servers
Three name servers are authoritative for kosztowny.com: dns2.home.pl, dns3.home.pl and dns.home.pl.
There is at least partial name server overlap between kosztowny.com and other domains — cloudserver122513.home.pl, cloudserver002085.home.pl, pandorabox.pl and two more among them.
dns2.home.pl resolves to 217.160.81.248 and 2001:8d8:fe:53:6870::2. dns3.home.pl resolves to 185.132.34.251 and 2607:f1c0:fe:53:185:132:34:251. dns.home.pl resolves to 217.160.80.244 and 2001:8d8:fe:53:6870::1. All three hostnames point to two IP numbers each.
Mail Servers
Mail for kosztowny.com is handled by one mail server — kosztowny.com.
There is one IP number for kosztowny.com: 46.242.248.87.