kostelac.com - robtex.com
kostelac.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 96.31.72.36🇺🇸 HIVELOCITY-196.31.72.0/24 DAL1 - IP Assignment | ||||||
| PTR | 96-31-72-36.gzodns.com | ||||||
| NS | ns1.gzo.com ⭐ ⚠️ Not in parent delegation | ||||||
| A | 2605:9f80:4000:125::211🇺🇸 DEDICATED-HIVE2605:9f80:4000::/35 | ||||||
| A | 104.192.227.211🇺🇸 DEDICATED-HIVE104.192.227.0/24 PNAP-LAX | ||||||
| PTR | ns1.gzo.com | ||||||
| NS | ns1.byon.com ⚠️ Not in zone NS records | ||||||
| A | 104.192.227.211🇺🇸 DEDICATED-HIVE104.192.227.0/24 PNAP-LAX | ||||||
| PTR | ns1.gzo.com | ||||||
| NS | ns2.byon.com ⚠️ Not in zone NS records | ||||||
| A | 96.31.72.20🇺🇸 HIVELOCITY-196.31.72.0/24 DAL1 - IP Assignment | ||||||
| PTR | ns2.gzo.com | ||||||
| NS | ns2.gzo.com ⚠️ Not in parent delegation | ||||||
| A | 2604:4500:a:4::20🇺🇸 HIVELOCITY-12604:4500:a::/48 DAL1 IPv6 Space | ||||||
| A | 96.31.72.20🇺🇸 HIVELOCITY-196.31.72.0/24 DAL1 - IP Assignment | ||||||
| PTR | ns2.gzo.com | ||||||
| MX | kostelac.com ⭐ | ||||||
| A | 96.31.72.36🇺🇸 HIVELOCITY-196.31.72.0/24 DAL1 - IP Assignment | ||||||
| PTR | 96-31-72-36.gzodns.com | ||||||
| TXT | v=spf1 +a +mx +ip4:96.31.72.76 include:spf.gzo.com +ip4:96.31.72.36 +ip4:96.3... | ||||||
| SOA | ns1.gzo.comserver@gzo.com 2026-07-21 #1 | ||||||
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=1786132444 | ||||||
MX for
kostelac.com |
Same first word
Similar names
DNS History
8 records (6 active, 2 former)
●NSns1.byon.com2026-06-29 → 2026-08-07 · 3 obs
● 2026-06-29 22:03:08
● 2026-08-07 20:08:10
●NSns2.byon.com2026-06-29 → 2026-08-07 · 3 obs
● 2026-06-29 22:03:08
● 2026-08-07 20:08:10
●MXkostelac.com2015-08-15 → 2026-08-07 · 2 obs
● 2026-08-07 20:08:10
○A216.172.104.1692017-03-17 → 2017-03-17 · 4 obs
● 2017-03-17 07:21:28
○ 2020-01-12 16:02:46
○ 2026-08-07 20:08:10
○A216.172.104.52015-08-15 → 2016-07-13 · 4 obs
● 2016-07-13 12:59:56
○ 2017-03-17 07:21:28
○ 2026-08-07 20:08:10
●A96.31.72.362020-01-12 → 2026-08-07 · 3 obs
● 2020-01-12 16:02:46
● 2026-08-07 20:08:10
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| kostelac.com | ns1.byon.com, ns2.byon.com | 2 records |
✅ Authoritative Response
Server:96.31.72.20
NS records: ns1.byon.com, ns2.byon.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for kostelac.com (unsigned zone)
⏱️ Timing
Total: 271ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 96.31.72.36 |
| NS | 2 | ns2.gzo.com, ns1.gzo.com |
| MX | 1 | kostelac.com (pri: 0) |
| TXT | 1 | v=spf1 +a +mx +ip4:96.31.72.76 include:s |
| SOA | 1 | ns1.gzo.com server.gzo.com |
📌 Glue Records Collected
Total: 2
Out-of-bailiwick: 2 (ns1.byon.com, ns2.byon.com)
Analysis
Mail Server Role
The MX record for kostelac.com points back to kostelac.com — it is its own mail server.
IP Addresses
kostelac.com directs to one IP number, which is 96.31.72.36.
Among the host names that share IP numbers with kostelac.com are wildfermentationforum.com, littlepage.com, _dc-mx.63769eb154e9.supporttester.com and two others.
Name Servers
The domain kostelac.com is delegated to these four name servers: ns1.byon.com, ns2.byon.com, ns1.gzo.com and ns2.gzo.com.
There is at least partial name server overlap between kostelac.com and other domains — dodgemotorcar.com, taylorvirgin.com, espcom.com.mx and two more among them.
These name servers regularly appear alongside dns93.gzo.com, dns94.gzo.com, dns107.gzo.com and 7 other name servers in NS record sets.
Hosts with two IP numbers each:
ns1.gzo.com resolves to 104.192.227.211 and 2605:9f80:4000:125::211.
ns2.gzo.com resolves to 96.31.72.20 and 2604:4500:a:4::20.
Hosts that resolve to one IP address:
ns1.byon.com resolves to 104.192.227.211.
ns2.byon.com resolves to 96.31.72.20.
The host names ns1.gzo.com and ns1.byon.com both resolve to 104.192.227.211 IP addresses.
The host names ns2.gzo.com and ns2.byon.com both resolve to 96.31.72.20 IP addresses.
Mail Servers
The MX record for kostelac.com points to a single mail server: kostelac.com.
kostelac.com points to one IP number — 96.31.72.36.