us-cdc.com - robtex.com
us-cdc.com
| DNSSEC | ⚠️ Not signed | ||||||
| NS | ns1.us-cdc.com ⭐ | ||||||
| A | 91.217.8.78🇷🇺 SSIV-AS91.217.8.0/24 SSIV | ||||||
| NS | ns2.us-cdc.com | ||||||
| A | 91.217.8.79🇷🇺 SSIV-AS91.217.8.0/24 SSIV | ||||||
| MX | mx1.us-cdc.com ⭐ | ||||||
| A | 185.233.202.135🇳🇱 FIRST-SERVER-EU-AS185.233.202.0/23 | ||||||
| PTR | mx1.us-cdc.com | ||||||
| TXT | v=spf1 a mx ip4:185.233.202.135 ~all | ||||||
| SOA | ns1.us-cdc.comns2@us-cdc.com 2026-04-16 #0 | ||||||
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=1778369671 | ||||||
Subdomains
Same first word
us-cdc.com |
Similar names
DNS History
6 records (3 active, 3 former)
●NSns1.us-cdc.com2026-03-18 → 2026-05-09 · 3 obs
○ 2020-03-16 07:32:22
● 2026-03-18 20:31:48
● 2026-05-09 23:40:34
● 2026-03-18 20:31:48
● 2026-05-09 23:40:34
○NSns13.domaincontrol.com2020-03-16 → 2020-03-16 · 3 obs
● 2020-03-16 07:32:22
○ 2026-03-18 20:31:48
○ 2026-05-09 23:40:34
○ 2026-03-18 20:31:48
○ 2026-05-09 23:40:34
○NSns14.domaincontrol.com2020-03-16 → 2020-03-16 · 3 obs
● 2020-03-16 07:32:22
○ 2026-03-18 20:31:48
○ 2026-05-09 23:40:34
○ 2026-03-18 20:31:48
○ 2026-05-09 23:40:34
●NSns2.us-cdc.com2026-03-18 → 2026-05-09 · 3 obs
○ 2020-03-16 07:32:22
● 2026-03-18 20:31:48
● 2026-05-09 23:40:34
● 2026-03-18 20:31:48
● 2026-05-09 23:40:34
●MXmx1.us-cdc.com2020-03-16 → 2026-05-09 · 2 obs
● 2020-03-16 07:32:22
● 2026-05-09 23:40:34
● 2026-05-09 23:40:34
○A184.168.221.372020-03-16 → 2020-03-16 · 3 obs
● 2020-03-16 07:32:22
○ 2026-03-18 20:31:48
○ 2026-05-09 23:40:34
○ 2026-03-18 20:31:48
○ 2026-05-09 23:40:34
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| us-cdc.com | ns1.us-cdc.com, ns2.us-cdc.com | 2 records |
✅ Authoritative Response
Server:91.217.8.78
NS records: ns1.us-cdc.com, ns2.us-cdc.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for us-cdc.com (unsigned zone)
⏱️ Timing
Total: 305ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| NS | 2 | ns1.us-cdc.com, ns2.us-cdc.com |
| MX | 1 | mx1.us-cdc.com (pri: 10) |
| TXT | 1 | v=spf1 a mx ip4:185.233.202.135 ~all |
| SOA | 1 | ns1.us-cdc.com ns2.us-cdc.com |
📌 Glue Records Collected
Total: 2
In-bailiwick: 2 (ns1.us-cdc.com, ns2.us-cdc.com)
Analysis
Hierarchy
us-cdc.com is a parent of mx1.us-cdc.com, ns1.us-cdc.com and ns2.us-cdc.com.
Name Servers
Two name servers ns1.us-cdc.com and ns2.us-cdc.com handle delegation for us-cdc.com.
Host names with one IP number: The host name ns1.us-cdc.com points to 91.217.8.78 and the host name ns2.us-cdc.com points to 91.217.8.79.
Mail Servers
us-cdc.com is handled by a single mail server, mx1.us-cdc.com.
mx1.us-cdc.com points to a single IP: 185.233.202.135.