Webcore DNS Tool

DNS, mail and network diagnostics for domains, mail servers and public DNS records.

Running checks…

This can take a few seconds for port scans and blacklist checks.

DNS Health Report for sitemap.xml

Comprehensive domain diagnostics

5 / 100

DNS

Check Status Details
NS Records FAIL No NS records found
SOA Record FAIL No SOA record found
A Record WARN No A record found

Nameservers

Check Status Details
Glue Records PASS No glue record issues detected.
Open Recursion PASS No open recursion detected.
Nameserver Consistency PASS Nameservers returned consistent A record answers.

Mail

Check Status Details
MX Records FAIL No MX records found
SPF FAIL No SPF record found.
DMARC FAIL No DMARC record found at _dmarc.sitemap.xml

Web

Check Status Details
HTTP FAIL HTTP status: unknown

Mail Diagnostics for sitemap.xml

MX, SPF and DMARC summary using System Default.

WARN

Mail diagnostics completed.

Warnings

  • No MX records found.
  • No valid SPF record found.
  • No valid DMARC record found.

Mail Health Summary

Quick overview of the domain’s mail DNS and delivery health.

25 / 100

MX Records

FAIL

SPF

FAIL

DMARC

FAIL

PTR / Reverse DNS

PASS

SMTP Port 25

PASS

Blacklist

CLEAR

MX Records

No MX records found.

SPF

Sender Policy Framework TXT record.

FAIL

No SPF record found.

DMARC

Domain-based Message Authentication, Reporting and Conformance.

FAIL

No DMARC record found.

Raw diagnostic output 
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38394
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512