itcoreusa.com - robtex.com
itcoreusa.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 136.244.77.250🇬🇧 AS-VULTR136.244.64.0/20 Vultr Assigned Prefix | ||||||
| PTR | srv0.mozdomains.com | ||||||
| NS | dns1.mozdomains.com ⭐ | ||||||
| A | 159.89.26.161🇩🇪 DIGITALOCEAN159.89.16.0/20 DigitalOcean | ||||||
| PTR | dns1.mozdomains.com | ||||||
| NS | dns2.mozdomains.com | ||||||
| A | 136.244.77.250🇬🇧 AS-VULTR136.244.64.0/20 Vultr Assigned Prefix | ||||||
| PTR | srv0.mozdomains.com | ||||||
| NS | dns3.mozdomains.com | ||||||
| A | 51.210.21.67🇫🇷 OVH51.210.0.0/16 | ||||||
| PTR | ip67.ip-51-210-21.eu | ||||||
| NS | dns4.mozdomains.com | ||||||
| A | 159.89.26.161🇩🇪 DIGITALOCEAN159.89.16.0/20 DigitalOcean | ||||||
| PTR | dns1.mozdomains.com | ||||||
| NS | dns5.mozdomains.com ⚠️ Not in zone NS records | ||||||
| A | 136.244.77.250🇬🇧 AS-VULTR136.244.64.0/20 Vultr Assigned Prefix | ||||||
| PTR | srv0.mozdomains.com | ||||||
| MX | itcoreusa.com ⭐ | ||||||
| A | 136.244.77.250🇬🇧 AS-VULTR136.244.64.0/20 Vultr Assigned Prefix | ||||||
| PTR | srv0.mozdomains.com | ||||||
| TXT | v=spf1 ip4:136.244.77.250 ip4:57.129.49.112 +a +mx +ip4:51.89.6.146 +ip4:51.7... | ||||||
| SOA | dns1.mozdomains.comwebmaster@palosrv.com 2026-05-27 #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=1784686852 | ||||||
MX for
itcoreusa.com |
Same first word
itcoreusa.com |
Similar names
acrosuite.co.uk |
cruiseota.com |
creatious.com |
atisource.com |
eurocitas.com |
auricoste.cn |
creatious.io |
aitcourse.com |
sociature.org |
arcosuite.com.mx |
artecious.com |
treacious.com |
orcasuite.com |
aitsource.com |
aotcruise.com |
DNS History
8 records (7 active, 1 former)
●NSdns1.mozdomains.com2026-03-30 → 2026-07-22 · 2 obs
● 2026-07-22 02:34:14
●NSdns2.mozdomains.com2026-03-30 → 2026-07-22 · 2 obs
● 2026-07-22 02:34:14
●NSdns3.mozdomains.com2026-03-30 → 2026-07-22 · 2 obs
● 2026-07-22 02:34:14
●NSdns4.mozdomains.com2026-03-30 → 2026-07-22 · 2 obs
● 2026-07-22 02:34:14
●NSdns5.mozdomains.com2026-03-30 → 2026-07-22 · 2 obs
● 2026-07-22 02:34:14
●MXitcoreusa.com2026-03-30 → 2026-07-22 · 2 obs
● 2026-07-22 02:34:14
●A136.244.77.2502026-04-18 → 2026-07-22 · 3 obs
● 2026-04-18 05:36:22
● 2026-07-22 02:34:14
○A51.77.78.362026-03-30 → 2026-04-04 · 4 obs
● 2026-04-04 08:35:54
○ 2026-04-18 05:36:22
○ 2026-07-22 02:34:14
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| itcoreusa.com | dns2.mozdomains.com, dns3.mozdomains.com, dns4.mozdomains.com, dns1.mozdomains.com... | 5 records |
✅ Authoritative Response
Server:136.244.77.250
NS records: dns2.mozdomains.com, dns3.mozdomains.com, dns4.mozdomains.com, dns1.mozdomains.com, dns5.mozdomains.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for itcoreusa.com (unsigned zone)
⏱️ Timing
Total: 458ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 1 | 136.244.77.250 |
| NS | 4 | dns1.mozdomains.com, dns3.mozdomains.com... |
| MX | 1 | itcoreusa.com (pri: 0) |
| TXT | 1 | v=spf1 ip4:136.244.77.250 ip4:57.129.49. |
| SOA | 1 | dns1.mozdomains.com webmaster.palosrv.co |
📌 Glue Records Collected
Total: 5
Out-of-bailiwick: 5 (dns2.mozdomains.com, dns3.mozdomains.com, dns4.mozdomains.com...)
Analysis
Mail Server Role
itcoreusa.com serves as a mail server for itcoreusa.com.
IP Addresses
itcoreusa.com has exactly one IP address — 136.244.77.250.
dns5.mozdomains.com, mozdomains.co.mz, palosrv.com plus two other host names have IP numbers in common with itcoreusa.com.
Name Servers
Five name servers handle delegation for itcoreusa.com: dns1.mozdomains.com, dns2.mozdomains.com, dns3.mozdomains.com and two others.
The name servers of itcoreusa.com overlap at least partially with those of other domains — among them registar.co.mz, dns4.mozdomains.com, cp85fe4.palosrv.com and two more.
Host names resolving to a single IP address:
dns1.mozdomains.com points to the IP address 159.89.26.161.
dns2.mozdomains.com points to the IP address 136.244.77.250.
dns3.mozdomains.com points to the IP address 51.210.21.67.
dns4.mozdomains.com points to the IP address 159.89.26.161.
dns5.mozdomains.com points to the IP address 136.244.77.250.
These two host names — dns1.mozdomains.com and dns4.mozdomains.com — each point to 159.89.26.161 IP addresses.
These two host names — dns2.mozdomains.com and dns5.mozdomains.com — each point to 136.244.77.250 IP addresses.
Mail Servers
itcoreusa.com uses exactly one mail server, which is itcoreusa.com.
There is one IP number for itcoreusa.com: 136.244.77.250.