rex.mrk.cfdata.org - robtex.com
rex.mrk.cfdata.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700::6810:f374🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700::6810:f474🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.16.243.116Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.16.244.116Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.16.243.116, 104.16.244.116 | ||||||
| IPv6 hints | 2606:4700::6810:f374, 2606:4700::6810:f474 | ||||||
mrk.cfdata.org
| DNSSEC | ⚠️ Not signed | ||||||
| A | 2606:4700::6810:f374🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 2606:4700::6810:f474🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.16.243.116Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| A | 104.16.244.116Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints | ||||||
| NS | jule.ns.cloudflare.com ⭐ ⚠️ Not in parent delegation | ||||||
| NS | vin.ns.cloudflare.com ⚠️ Not in parent delegation | ||||||
| HTTPS | HTTP/2 ✓ hints match | ||||||
| IPv4 hints | 104.16.243.116, 104.16.244.116 | ||||||
| IPv6 hints | 2606:4700::6810:f374, 2606:4700::6810:f474 | ||||||
| SOA | jule.ns.cloudflare.comdns@cloudflare.com serial=2410812457 | ||||||
Subdomains
search-rag.rex.mrk.cfdata.org |
search.rex.mrk.cfdata.org |
Same first word
Similar names
DNS History
4 records (4 active, 0 former)
●A104.16.243.1162026-07-18 → 2026-07-29 · 2 obs
● 2026-07-18 07:18:46
● 2026-07-29 15:32:26
● 2026-07-29 15:32:26
●A104.16.244.1162026-07-18 → 2026-07-29 · 2 obs
● 2026-07-18 07:18:46
● 2026-07-29 15:32:26
● 2026-07-29 15:32:26
●A2606:4700::6810:f3742026-07-18 → 2026-07-29 · 2 obs
● 2026-07-18 07:18:46
● 2026-07-29 15:32:26
● 2026-07-29 15:32:26
●A2606:4700::6810:f4742026-07-18 → 2026-07-29 · 2 obs
● 2026-07-18 07:18:46
● 2026-07-29 15:32:26
● 2026-07-29 15:32:26
🔍 DNS Trace
📋 Delegation Chain
| Zone | Nameservers | Glue |
|---|---|---|
| org | b2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org | - |
| cfdata.org | ns1.cfdata.org, ns2.cfdata.org | 4 records |
✅ Authoritative Response
Server:162.159.1.6
NS records: ns1.cfdata.org, ns2.cfdata.org
🔒 DNSSEC Status
🔐 Secure (DNSSEC validated)
Chain of trust verified from root to domain
⏱️ Timing
Total: 163ms | Queries: -
📄 Records
| Type | Count | Sample Data |
|---|---|---|
| A | 2 | 104.16.243.116, 104.16.244.116 |
| AAAA | 2 | 2606:4700::6810:f374, 2606:4700::6810:f474 |
| HTTPS | 1 | {"priority":1,"target":".","alpn":["h2"] |
📌 Glue Records Collected
Total: 4
In-bailiwick: 4 (ns1.cfdata.org, ns2.cfdata.org, ns1.cfdata.org...)
Analysis
Hierarchy
rex.mrk.cfdata.org serves as the parent of search-rag.rex.mrk.cfdata.org and search.rex.mrk.cfdata.org.
IP Addresses
rex.mrk.cfdata.org resolves to four IP addresses: 104.16.243.116, 104.16.244.116, 2606:4700::6810:f374 and 2606:4700::6810:f474.
dash.mrk.cfdata.org, search-rag.rex.mrk.cfdata.org, cms-consistency-dev.mrk.cfdata.org plus two other host names have IP numbers in common with rex.mrk.cfdata.org.