mdsrc.com - robtex.com
mdsrc.com
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700:3031::ac43:b98c ✓ In HTTPS hints | ||||||
| A | 2606:4700:3037::6815:2067 ✓ In HTTPS hints | ||||||
| A | 104.21.32.103 ✓ In HTTPS hints | ||||||
| A | 172.67.185.140 ✓ In HTTPS hints | ||||||
| NS | emerson.ns.cloudflare.com ⭐ | ||||||
| NS | liberty.ns.cloudflare.com | ||||||
| HTTPS | HTTP/3, HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.21.32.103, 172.67.185.140 | ||||||
| IPv6 hints | 2606:4700:3031::ac43:b98c, 2606:4700:3037::6815:2067 | ||||||
| ECH | X25519, HKDF-SHA256 + AES-128-GCM draft, id=254, name=cloudflare-ech.com | ||||||
| SOA | emerson.ns.cloudflare.comdns@cloudflare.com serial=2415243387 | ||||||
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=1790059814 | ||||||
DNS History
8 records (6 active, 2 former)
○NSdns10.hichina.com2016-02-08 → 2016-04-29 · 4 obs
● 2016-02-08 19:04:34
● 2016-04-29 00:27:18
○ 2017-01-11 06:29:08
○ 2026-09-22 07:00:54
● 2016-04-29 00:27:18
○ 2017-01-11 06:29:08
○ 2026-09-22 07:00:54
○NSdns9.hichina.com2016-02-08 → 2016-04-29 · 4 obs
● 2016-02-08 19:04:34
● 2016-04-29 00:27:18
○ 2017-01-11 06:29:08
○ 2026-09-22 07:00:54
● 2016-04-29 00:27:18
○ 2017-01-11 06:29:08
○ 2026-09-22 07:00:54
●NSemerson.ns.cloudflare.com2026-09-01 → 2026-09-22 · 3 obs
○ 2017-01-11 06:29:08
● 2026-09-01 20:22:02
● 2026-09-22 07:00:54
● 2026-09-01 20:22:02
● 2026-09-22 07:00:54
●NSliberty.ns.cloudflare.com2026-09-01 → 2026-09-22 · 3 obs
○ 2017-01-11 06:29:08
● 2026-09-01 20:22:02
● 2026-09-22 07:00:54
● 2026-09-01 20:22:02
● 2026-09-22 07:00:54
●A104.21.32.1032026-09-01 → 2026-09-22 · 2 obs
● 2026-09-01 20:22:02
● 2026-09-22 07:00:54
● 2026-09-22 07:00:54
●A172.67.185.1402026-09-01 → 2026-09-22 · 2 obs
● 2026-09-01 20:22:02
● 2026-09-22 07:00:54
● 2026-09-22 07:00:54
●A2606:4700:3031::ac43:b98c2026-09-01 → 2026-09-22 · 2 obs
● 2026-09-01 20:22:02
● 2026-09-22 07:00:54
● 2026-09-22 07:00:54
●A2606:4700:3037::6815:20672026-09-01 → 2026-09-22 · 2 obs
● 2026-09-01 20:22:02
● 2026-09-22 07:00:54
● 2026-09-22 07:00:54
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| com | a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net... | - |
| mdsrc.com | liberty.ns.cloudflare.com, emerson.ns.cloudflare.com | 12 records |
✅ Authoritative Response
Server:108.162.195.96
NS records: liberty.ns.cloudflare.com, emerson.ns.cloudflare.com
🔒 DNSSEC Status
⚠️ Insecure (no DNSSEC)
No DS record for mdsrc.com (unsigned zone)
⏱️ Timing
Total: 912ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 172.67.185.140, 104.21.32.103 |
| AAAA | 2 | 2606:4700:3031::ac43:b98c, 2606:4700:3037::6815:2067 |
| NS | 2 | emerson.ns.cloudflare.com, liberty.ns.cloudflare.com |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h3", |
| SOA | 1 | emerson.ns.cloudflare.com dns.cloudflare |
📌 Glue Records Collected
Total: 12
Out-of-bailiwick: 12 (liberty.ns.cloudflare.com, liberty.ns.cloudflare.com, liberty.ns.cloudflare.com...)
Analysis
IP Addresses
mdsrc.com points to four IP numbers: 104.21.32.103, 172.67.185.140, 2606:4700:3031::ac43:b98c and 2606:4700:3037::6815:2067.
Name Servers
mdsrc.com is delegated to two name servers, emerson.ns.cloudflare.com and liberty.ns.cloudflare.com.