Identity
70
C
infoblox.com
Posture Score: 77/100
Scanned May 8, 2026 at 4:23 PM UTC
Attack Surface
71
Reputation
91
Identity Findings
Weak DKIM RSA key (~1296 bits) for selector 'mandrill'
RSA keys shorter than 2048 bits are considered weak. Current key is approximately 1296 bits.
💡 Generate a new 2048-bit (or larger) RSA key pair and update the DKIM record.
Subdomain policy (sp=none) is weaker than domain policy (p=reject)
The subdomain policy is less restrictive than the organizational domain policy, leaving subdomains more vulnerable.
💡 Set sp=reject or remove sp= to inherit the domain policy.
No MTA-STS record found
Without MTA-STS, mail transport encryption cannot be enforced and is vulnerable to downgrade attacks.
💡 Publish a _mta-sts TXT record and host a policy file at https://mta-sts.infoblox.com/.well-known/mta-sts.txt
STARTTLS without MTA-STS or DANE protection
STARTTLS alone is vulnerable to downgrade attacks. Neither MTA-STS nor DANE is configured to enforce encryption.
💡 Deploy MTA-STS and/or DANE to protect against STARTTLS stripping attacks.
SOA MNAME is not authoritative
The primary nameserver (MNAME) 'ext-gm.infoblox.com' does not return authoritative answers.
💡 Update the MNAME field to point to an authoritative nameserver for this zone.
Void lookup: include:%{ir}.%{v}.%{d}.spf.has.pphosted.com
The mechanism include:%{ir}.%{v}.%{d}.spf.has.pphosted.com returns no records, wasting a DNS lookup.
💡 Remove mechanisms that reference non-existent domains.
ARC support not detected
No evidence of ARC (Authenticated Received Chain) support on MX servers. Forwarded messages may lose authentication.
💡 Consider enabling ARC signing on your mail servers to preserve authentication through forwarding.
Shared IP 148.163.141.155 used by multiple MX servers
The IP 148.163.141.155 is shared across 2 MX hostnames, reducing redundancy.
💡 Use unique IP addresses for each MX server for better redundancy.
Unknown CAA tag: issuevmc
The CAA record contains an unrecognized tag 'issuevmc'.
💡 Review the CAA record and use standard tags (issue, issuewild, iodef).
Unknown CAA tag: issuemail
The CAA record contains an unrecognized tag 'issuemail'.
💡 Review the CAA record and use standard tags (issue, issuewild, iodef).
No CAA iodef tag configured
No iodef tag is present in the CAA records. CA policy violation reports will not be sent.
💡 Add an iodef CAA record. Example: 0 iodef "mailto:security@example.com"
DKIM cryptographic configuration is compliant
No RFC 8301 compliance issues detected in DKIM key configuration.
MX records are valid
All MX records are properly configured.
SMTP security checks passed
No open relay, VRFY/EXPN, or banner disclosure issues detected.
SMTP RFC 5321 compliance checks passed
The mail server accepts postmaster@ and abuse@ and uses a valid FQDN in EHLO.
IPv6 readiness is good
IPv6 records are present and properly configured.
NS delegation is properly configured
All nameservers are responsive, consistent, and properly secured.
DNS responses are consistent across all nameservers
All authoritative nameservers return consistent answers with proper AA flags.
DNS TTL values follow best practices
All critical DNS record TTLs are within recommended ranges.
DKIM2 not detected
No DKIM key record with v=2 was found across common selectors. DKIM2 is an emerging standard and not yet widely deployed.
DMARC alignment: adkim=r, aspf=r
DKIM alignment is relaxed, SPF alignment is relaxed.
DMARCbis np tag absent
The DMARC record does not include the np (non-existent subdomain policy) tag. Consider adding np=reject to protect non-existent subdomains under DMARCbis.
Deprecated DMARCbis tags found: pct
The DMARC record contains tags deprecated in DMARCbis: pct. Consider removing these for forward compatibility.
DMARCbis psd tag absent
The DMARC record does not include the psd (public suffix domain) indicator. Consider adding psd=n to explicitly identify this as an organizational domain.
No DANE/TLSA records found
DANE is not configured for any MX server. This is optional but provides strong certificate binding.
No BIMI record found
BIMI is not configured. Your brand logo will not display in supporting email clients.
Open mail ports on mxa-00333e01.gslb.pphosted.com
Detected open mail-related ports: 25
RFC 8058 one-click unsubscribe assessment
DKIM signing is configured. RFC 8058 compliance depends on List-Unsubscribe and List-Unsubscribe-Post headers being included in outbound messages and DKIM signatures.
MX IP network diversity
All MX IPs are in the same /16 network. Consider diversifying across networks for resilience.
SOA record parameters
Serial: 2007030151, Refresh: 10800s, Retry: 1080s, Expire: 1209600s, Min TTL: 3600s
Authorized certificate authorities
CAA records restrict certificate issuance to: amazon.com, starfieldtech.org, sectigo.com, letsencrypt.org, godaddy.com, digicert.com, comodoca.com
Attack Surface Findings
Weak DNSSEC RSA key: 336 bits
The DNSKEY uses an RSA key of 336 bits, below the recommended 2048 bits.
💡 Generate a new DNSKEY with at least 2048-bit RSA or migrate to ECDSA/Ed25519.
Weak DNSSEC RSA key: 336 bits
The DNSKEY uses an RSA key of 336 bits, below the recommended 2048 bits.
💡 Generate a new DNSKEY with at least 2048-bit RSA or migrate to ECDSA/Ed25519.
Weak DNSSEC RSA key: 336 bits
The DNSKEY uses an RSA key of 336 bits, below the recommended 2048 bits.
💡 Generate a new DNSKEY with at least 2048-bit RSA or migrate to ECDSA/Ed25519.
DNS ANY query returns 74 record(s)
The DNS server responds to ANY queries with 74 record(s), creating significant DNS amplification risk.
💡 Configure the DNS server to refuse or minimize ANY query responses per RFC 8482.
Domain enumerability: low
The domain has low enumerability. Proper NSEC3 configuration and limited CT exposure reduce the attack surface.
No internal information leakage detected
No non-routable IP addresses or internal references were found in public DNS records.
No email autodiscovery endpoints detected
No Microsoft Autodiscover, Mozilla Autoconfig, or email SRV records were found.
12 subdomain(s) discovered for infoblox.com
Subdomains were enumerated via Certificate Transparency logs, DNS wordlist brute-forcing, and DNS record analysis.
0 certificate(s) found in CT logs
Certificate Transparency logs contain 0 certificate(s) for infoblox.com and its subdomains. Each certificate reveals subdomain names.
NSEC3 authenticated denial of existence
The domain uses NSEC3 with 10 iteration(s) and salt '45CD9F1A3D95FC278EED786A24BA'.
DNSSEC is enabled
DNSKEY and/or DS records are present, indicating DNSSEC is configured.
Reputation Findings
Missing domain locks: clientDeleteProhibited
Domain infoblox.com is missing protective locks: clientDeleteProhibited.
💡 Enable clientTransferProhibited and clientDeleteProhibited locks through your registrar to prevent unauthorized transfers or deletions.
HSTS enabled but missing preload directive on infoblox.com
Strict-Transport-Security: max-age=31622400
💡 Add the "preload" directive to the HSTS header and submit the domain to hstspreload.org.
security.txt present
Found security.txt at https://infoblox.com/.well-known/security.txt.
TLS certificate valid for 36 days
Certificate for infoblox.com expires on 2026-06-14.
Certificate issued by R13
The certificate for infoblox.com is issued by a third-party CA.
Signature algorithm: rsa-sha256
The certificate for infoblox.com uses an acceptable signature algorithm.
RSA key: 2048 bits
The certificate for infoblox.com uses an adequate RSA key of 2048 bits.
SCTs present in certificate
The certificate for infoblox.com contains Signed Certificate Timestamps.
No weak ciphers detected
No known weak cipher suites detected on infoblox.com.
Domain valid for 254 days
Domain infoblox.com expires on 2027-01-18.
Google Safe Browsing DNS check — no flag detected
DNS-based Safe Browsing lookup returned no results. Full verification requires the Google Safe Browsing API key.
Abuse contact lookup failed
Could not query abuse contact information.
PhishTank — API key required
PhishTank phishing database check requires an API key.
Sender Score — API key required
Sender Score reputation check requires an API key.
Cisco Talos — API key required
Cisco Talos IP reputation check requires an API key.
Could not connect to webmail.infoblox.com
HTTPS request to https://webmail.infoblox.com failed or timed out.
WHOIS registration data
Registrar: 101domain GRS Limited | Created: 1999-01-18 | Expires: 2027-01-18 | Updated: 2026-02-06
WHOIS privacy protection not detected
Domain infoblox.com does not appear to have WHOIS privacy protection. Registrant details may be publicly visible.
Dependency Chains
DMARC Authentication Chain (SPF)
DMARC uses SPF to verify that emails come from authorized servers
SPF Record
SPF record found and configured
→
DMARC Policy
DMARC policy: reject
DMARC Authentication Chain (DKIM)
DMARC uses DKIM to verify that emails have not been tampered with
DKIM Signature
DKIM signature missing
→
DMARC Policy
DMARC policy: reject
⚠️ DKIM signature is missing. DMARC relies on DKIM to verify email integrity and prevent tampering. Without DKIM, DMARC alignment will fail for cryptographic verification.
Mail Server Identity: mxa-00333e01.gslb.pphosted.com
PTR record proves mail server legitimacy
MX: mxa-00333e01.gslb.pphosted.com
Mail server at 148.163.141.155
→
PTR Record
Reverse DNS: mx0b-00333e01.pphosted.com
Mail Server Identity: mxb-00333e01.gslb.pphosted.com
PTR record proves mail server legitimacy
MX: mxb-00333e01.gslb.pphosted.com
Mail server at 148.163.141.155
→
PTR Record
Reverse DNS: mx0b-00333e01.pphosted.com
Mail Server Reputation: mxa-00333e01.gslb.pphosted.com
RBL check ensures server is not blacklisted
MX: mxa-00333e01.gslb.pphosted.com
Mail server at 148.163.141.155
→
RBL Status
Not blacklisted
Mail Server Reputation: mxb-00333e01.gslb.pphosted.com
RBL check ensures server is not blacklisted
MX: mxb-00333e01.gslb.pphosted.com
Mail server at 148.163.141.155
→
RBL Status
Not blacklisted
Enforced Encryption Chain
MTA-STS enforces TLS encryption to prevent man-in-the-middle attacks
TLS Support
Mail servers support TLS encryption
→
MTA-STS Policy
MTA-STS not configured
⚠️ MTA-STS policy is missing. Even with TLS support, you lack the enforcement layer that prevents attackers from stripping encryption (downgrade attacks).
Brand Identity Chain
BIMI displays your logo in email clients, but requires DMARC enforcement
DMARC Enforcement
DMARC policy: reject
→
BIMI Record
BIMI not configured
⚠️ BIMI record is missing. Even with DMARC enforcement, you need to configure BIMI to display your brand logo in supported email clients.
TLS Monitoring Chain
TLS-RPT provides reports about TLS connection failures
TLS Support
Mail servers support TLS encryption
→
TLS-RPT Reporting
TLS failure reporting configured
Security Checks
MX Records
✓
SPF Record
✓
DKIM Record
✗
DMARC Policy
✓
BIMI Record
✗
CAA Records
✓
DNSSEC
✓
MTA-STS
✗
TLS-RPT
✓
Embed Badge
Display your domain's security grade on your website or README:
<img src="https://scan.ractermx.com/badge/infoblox.com.svg" alt="Email Security Grade">
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