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Global Anycast DNS Engine v3.1→

Domain IP & DNS Intelligence

Inspect hosting server IP addresses, A/AAAA/MX/NS DNS records, autonomous system numbers (ASN), and edge CDN infrastructure in bulk.

Explore Bulk DA CheckerView API Documentation
Official Licensed APIsNever Scraped or InferredHigh-Speed Concurrency Pool
PulseRank/Bulk Inspector v2.4
Target Domains5 Domains
Full A, AAAA, MX, NS, TXT extraction

Resolved Network Intelligence

4 Hosts Active
DomainIP AddressISP / NetworkLocationAction
github.com
140.82.121.4GitHub, Inc.US
shopify.com
23.227.38.65Cloudflare, Inc.CA
stripe.com
54.187.205.235Amazon.com, Inc.US
vercel.com
76.76.21.21Vercel Inc.US
Deep DNS Inspector

github.com

AS36459
Edge CDN
Fastly / Anycast
Ping Latency
24 ms
Authoritative Zone Records (5)
A140.82.121.4
AAAA2606:50c0:8000::153
MX10 aspmx.l.google.com
NSns1.p16.dynect.net
TXTv=spf1 include:_spf.google.com ~all
Global Quorum
DNS Propagation
A, AAAA, MX, NS, TXT
Record Types
Real-time BGP
ASN Database
< 250ms / Domain
Audit Speed

Understanding DNS Records & Server Infrastructure in Technical SEO

Every millisecond of DNS resolution latency compounds into page load time. Diagnosing DNS health ensures Googlebot can reliably crawl your site without encountering NXDOMAIN timeouts or server bottlenecks.

A / AAAA

Address Mapping

Maps your human-readable brand domain to IPv4 (32-bit) and IPv6 (128-bit) server endpoints. Dual-stack support improves connectivity on modern mobile networks.

MX & TXT

Email & Authentication

Specifies mail transfer agents (MX) and SPF/DKIM/DMARC policy directives in TXT records, critical for protecting your outreach domain from spam blacklisting.

ASN & CDN

Edge Routing

Determines physical cloud host, autonomous system operator, and Anycast CDN caching layers to minimize TTFB for global visitors and crawlers.

Frequently Asked Questions

Everything you need to know about metrics calculation, credits, and accuracy.

Why does domain IP lookup matter for SEO?▼

Search engines evaluate server location, hosting neighborhood (bad IP neighborhoods with spam sites), and edge latency. Hosting on a fast Anycast CDN with clean IP reputation positively impacts crawl budget and Core Web Vitals.

Can I inspect private or Cloudflare-proxied IP addresses?▼

When a site uses an Anycast reverse proxy like Cloudflare or Fastly, public DNS points to edge proxy nodes. PulseRank checks public authoritative records and reveals the edge network provider, ASN, and MX/TXT records which often point to underlying mail clusters.

What is an Autonomous System Number (ASN)?▼

An ASN is a unique global identifier assigned to large network operators (like Amazon AWS, Google Cloud, Cloudflare, or DigitalOcean) that control blocks of IP addresses and route traffic across the global Internet backbone via BGP.

How frequently are DNS records refreshed?▼

PulseRank queries authoritative nameservers directly with a 300-second cache time-to-live, guaranteeing you see current DNS configurations rather than stale local resolver caches.

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