core-tel.com - robtex.com
core-tel.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 193.59.67.5🇵🇱 NASK-COMMERCIAL193.59.0.0/16 NASK (PL) Provider Local Registry | ||||||
| NS | black.ip-pbx.eu ⭐ | ||||||
| A | 193.59.67.2🇵🇱 NASK-COMMERCIAL193.59.0.0/16 NASK (PL) Provider Local Registry | ||||||
| NS | ns2.ip-pbx.eu | ||||||
| A | 134.122.87.80🇩🇪 DIGITALOCEAN134.122.80.0/20 DigitalOcean | ||||||
| PTR | ns2.ip-pbx.eu | ||||||
| MX | mail.core-tel.com ⭐ | ||||||
| A | 193.59.67.5🇵🇱 NASK-COMMERCIAL193.59.0.0/16 NASK (PL) Provider Local Registry | ||||||
| TXT | v=spf1 a mx a:core-tel.com a:mail.core-tel.com a:black.ip-pbx.eu ip4:193.59.6... | ||||||
| SOA | black.ip-pbx.euroot@black.ip-pbx.eu 2026-03-22 #6 | ||||||
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=1774693327 | ||||||
Subdomains
mail.core-tel.com |
Same first word
core-tel.com |
Similar names
e-lector.no |
el-corte.pl |
tel-core.ru |
e-lector.com |
rolet-ec.com |
e-lectro.ru |
elro-tec.de |
el-corte.com |
el-corte.de |
DNS History
9 records (4 active, 5 former)
●NSblack.ip-pbx.eu2026-03-11 → 2026-03-28 · 3 obs
● 2026-03-11 02:28:56
● 2026-03-28 10:36:38
○NSfireball.ip-pbx.eu2015-06-14 → 2016-02-24 · 4 obs
● 2016-02-24 22:59:52
○ 2016-06-20 16:59:54
○ 2026-03-28 10:36:38
○NSfns1.42.pl2015-06-14 → 2017-03-14 · 4 obs
● 2017-03-14 07:15:34
○ 2026-03-11 02:28:56
○ 2026-03-28 10:36:38
○NSfns2.42.pl2015-06-14 → 2017-03-14 · 4 obs
● 2017-03-14 07:15:34
○ 2026-03-11 02:28:56
○ 2026-03-28 10:36:38
●NSns2.ip-pbx.eu2026-03-11 → 2026-03-28 · 3 obs
● 2026-03-11 02:28:56
● 2026-03-28 10:36:38
○NSred.ip-pbx.eu2015-06-14 → 2017-03-14 · 4 obs
● 2017-03-14 07:15:34
○ 2026-03-11 02:28:56
○ 2026-03-28 10:36:38
●MXmail.core-tel.com2015-06-14 → 2026-03-28 · 2 obs
● 2026-03-28 10:36:38
○A193.59.65.822015-06-14 → 2017-03-14 · 4 obs
● 2017-03-14 07:15:34
○ 2026-03-11 02:28:56
○ 2026-03-28 10:36:38
●A193.59.67.52026-03-11 → 2026-03-28 · 3 obs
● 2026-03-11 02:28:56
● 2026-03-28 10:36:38
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | f.gtld-servers.net, d.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net... | - |
| core-tel.com | black.ip-pbx.eu, ns2.ip-pbx.eu | - |
✅ Authoritative Response
Server:134.122.87.80
NS records: black.ip-pbx.eu, ns2.ip-pbx.eu
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for core-tel.com (unsigned zone)
⏱️ Timing
Total: 690ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 193.59.67.5 |
| NS | 2 | ns2.ip-pbx.eu, black.ip-pbx.eu |
| MX | 1 | mail.core-tel.com (pri: 5) |
| TXT | 1 | v=spf1 a mx a:core-tel.com a:mail.core-t |
| SOA | 1 | black.ip-pbx.eu root.black.ip-pbx.eu |
Analysis
Hierarchy
core-tel.com is the parent of mail.core-tel.com.
IP Addresses
core-tel.com resolves to one IP number: 193.59.67.5.
Other host names, for instance mail.core-tel.com, share IP numbers with core-tel.com.
Name Servers
core-tel.com is delegated to two name servers black.ip-pbx.eu and ns2.ip-pbx.eu.
core-tel.com shares the same name server setup as other domains, for instance rs-telecom.net, ip-pbx.eu, tnij.it, telesonica.pl and fax24.pl.
core-tel.com at least partially shares name servers with other domains, for instance switch2.net, e-mocja.pl, magnum-cordis.com.pl, red.ip-pbx.eu and emocja.pl.
These name servers are commonly used alongside yellow.ip-pbx.eu and green.ip-pbx.eu.
Host names with one IP number:
black.ip-pbx.eu points to 193.59.67.2
ns2.ip-pbx.eu points to 134.122.87.80
Mail Servers
core-tel.com is handled by a single mail server, mail.core-tel.com.
mail.core-tel.com resolves to IP 193.59.67.5.