ab.mrk.cfdata.org - robtex.com

ab.mrk.cfdata.org

DNSSEC⚠️ Not signed
A2606:4700::6810:f374🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6810:f474🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.16.243.116Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.16.244.116Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.16.243.116, 104.16.244.116
IPv6 hints2606:4700::6810:f374, 2606:4700::6810:f474

mrk.cfdata.org

DNSSEC⚠️ Not signed
A2606:4700::6810:f374🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6810:f474🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.16.243.116Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.16.244.116Cloudflare104.16.240.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSjule.ns.cloudflare.com ⭐ ⚠️ Not in parent delegation
NSvin.ns.cloudflare.com ⚠️ Not in parent delegation
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.16.243.116, 104.16.244.116
IPv6 hints2606:4700::6810:f374, 2606:4700::6810:f474
SOAjule.ns.cloudflare.comdns@cloudflare.com serial=2410628669

Same first word

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DNS History

4 records (4 active, 0 former)

A104.16.243.116104.16.244.1162606:4700::6810:f3742606:4700::6810:f474
●A104.16.243.1162026-07-18 → 2026-07-27 · 2 obs
● 2026-07-18 06:30:46
● 2026-07-27 20:19:06
●A104.16.244.1162026-07-18 → 2026-07-27 · 2 obs
● 2026-07-18 06:30:46
● 2026-07-27 20:19:06
●A2606:4700::6810:f3742026-07-18 → 2026-07-27 · 2 obs
● 2026-07-18 06:30:46
● 2026-07-27 20:19:06
●A2606:4700::6810:f4742026-07-18 → 2026-07-27 · 2 obs
● 2026-07-18 06:30:46
● 2026-07-27 20:19:06

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb0.org.afilias-nst.org, b2.org.afilias-nst.org, d0.org.afilias-nst.org-
cfdata.orgns1.cfdata.org, ns2.cfdata.org4 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: 140ms | Queries: -

📄 Records

TypeCountSample Data
A2104.16.244.116, 104.16.243.116
AAAA22606:4700::6810:f474, 2606:4700::6810:f374
HTTPS1{"priority":1,"target":".","alpn":["h2"]

📌 Glue Records Collected

Total: 4

In-bailiwick: 4 (ns1.cfdata.org, ns2.cfdata.org, ns1.cfdata.org...)

Analysis

IP Addresses

ab.mrk.cfdata.org points to the four IP addresses 104.16.243.116, 104.16.244.116, 2606:4700::6810:f374 and 2606:4700::6810:f474.

Two other host names, along with staging-es-es.mrk.cfdata.org, prod-blog.mrk.cfdata.org and core-api.mrk.cfdata.org, also share IP numbers with ab.mrk.cfdata.org.