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bechtel.com

Posture Score: 85/100

Scanned May 24, 2026 at 11:20 AM UTC

Identity

67

Attack Surface

92

Reputation

96

Identity Findings

No NS records found
No nameserver records could be retrieved for this domain.
💡 Ensure NS records are properly configured at your registrar and in your zone file.
critical
No DKIM records found
No DKIM records were found for any common selector. Email may not be authenticated.
💡 Configure DKIM signing and publish the public key at <selector>._domainkey.bechtel.com
high
Cannot check DNS consistency — no NS records
No nameserver records could be retrieved for consistency checking.
💡 Ensure NS records are properly configured.
high
MTA-STS is in testing mode
The MTA-STS policy is in testing mode and not actively enforcing TLS.
💡 Switch mode to "enforce" once TLS is confirmed working for all MX hosts.
low
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.
low
SPF record is valid
The SPF record is properly configured with valid syntax and within lookup limits.
pass
SPF record length OK (100 bytes)
SPF record is within safe DNS packet size limits.
pass
DKIM cryptographic configuration is compliant
No RFC 8301 compliance issues detected in DKIM key configuration.
pass
No external DMARC report destinations
All DMARC report URIs point to the same domain — no external authorization needed.
pass
Subdomains protected (sp=reject)
DMARC subdomain policy enforces quarantine or reject on unauthenticated subdomain mail.
pass
MX records are valid
All MX records are properly configured.
pass
TLS-RPT report destinations are reachable
All TLS-RPT rua= URIs point to resolvable domains.
pass
BIMI record is valid
BIMI is properly configured with a valid logo and DMARC enforcement.
pass
VMC URL is accessible
The BIMI VMC authority URL is reachable and returns a valid response.
pass
Meets bulk sender authentication requirements
Domain has SPF, DKIM, and DMARC — meeting Google/Yahoo 2024 bulk sender requirements for email authentication.
pass
SMTP security checks passed
No open relay, VRFY/EXPN, or banner disclosure issues detected.
pass
SMTP RFC 5321 compliance checks passed
The mail server accepts postmaster@ and abuse@ and uses a valid FQDN in EHLO.
pass
STARTTLS downgrade resistance is adequate
STARTTLS is supported with modern TLS and protected by MTA-STS and/or DANE.
pass
DNS TTL values follow best practices
All critical DNS record TTLs are within recommended ranges.
pass
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.
informational
DMARC alignment: adkim=s, aspf=s
DKIM alignment is strict, SPF alignment is strict.
informational
DMARC failure reporting: fo=1
Failure reports generated when any authentication mechanism fails.
informational
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.
informational
Deprecated DMARCbis tags found: pct, rf
The DMARC record contains tags deprecated in DMARCbis: pct, rf. Consider removing these for forward compatibility.
informational
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.
informational
REQUIRETLS not advertised
The primary MX does not advertise REQUIRETLS (RFC 8689). This is an emerging standard — MTA-STS and DANE provide adequate TLS enforcement for most deployments.
informational
No DANE/TLSA records found
DANE is not configured for any MX server. This is optional but provides strong certificate binding.
informational
Open mail ports on mxa-00399f02.gslb.gpphosted.com
Detected open mail-related ports: 25
informational
Domain is IPv4-only
No AAAA records found for the domain, MX servers, or nameservers. The domain operates on IPv4 only.
informational
RFC 8058 one-click unsubscribe assessment
No DKIM signing detected. RFC 8058 one-click unsubscribe requires DKIM-signed List-Unsubscribe headers.
informational
MX IP network diversity
All MX IPs are in the same /16 network. Consider diversifying across networks for resilience.
informational
SOA record parameters
Serial: 2015043758, Refresh: 3600s, Retry: 900s, Expire: 864000s, Min TTL: 86400s
informational
Authorized certificate authorities
CAA records restrict certificate issuance to: digicert.com, globalsign.com
informational

Attack Surface Findings

Domain enumerability: medium
The domain has moderate enumerability. CT logs and DNS records reveal significant information about the domain structure.
💡 Restrict zone transfers, use NSEC3 instead of NSEC, consider wildcard certificates to reduce CT log exposure, and implement rate limiting on DNS queries.
medium
No NSEC/NSEC3 records found
Neither NSEC nor NSEC3 records were found. Authenticated denial of existence is not configured.
💡 Configure NSEC3 records for authenticated denial of existence while preventing zone enumeration.
medium
All MX records resolve correctly
No dangling MX records detected — all MX hostnames resolve to valid IP addresses.
pass
Explicit MX records present
The domain has explicit MX records — no implicit A-record fallback delivery.
pass
No internal information leakage detected
No non-routable IP addresses or internal references were found in public DNS records.
pass
No excessive DNS information exposure detected
No HINFO, LOC, RP records, version disclosures, or zone walking vulnerabilities were found.
pass
5 subdomain(s) discovered for bechtel.com
Subdomains were enumerated via Certificate Transparency logs, DNS wordlist brute-forcing, and DNS record analysis.
informational
0 certificate(s) found in CT logs
Certificate Transparency logs contain 0 certificate(s) for bechtel.com and its subdomains. Each certificate reveals subdomain names.
informational
Microsoft Autodiscover endpoint detected (authenticated)
The Autodiscover endpoint at autodiscover.bechtel.com is active and requires authentication.
informational
DNSSEC is enabled
DNSKEY and/or DS records are present, indicating DNSSEC is configured.
informational

Reputation Findings

Missing Strict-Transport-Security on bechtel.com
The Strict-Transport-Security header is not set on https://bechtel.com.
💡 Add the Strict-Transport-Security header with a max-age of at least 31536000 (1 year) and include the includeSubDomains directive.
medium
Not listed on any DNS blacklists
Domain and MX IPs checked against 55 DNSBLs — no listings found.
pass
security.txt present
Found security.txt at https://bechtel.com/.well-known/security.txt.
pass
TLS certificate valid for 193 days
Certificate for bechtel.com expires on 2026-12-03.
pass
Certificate issued by DigiCert Global G2 TLS RSA SHA256 2020 CA1
The certificate for bechtel.com is issued by a third-party CA.
pass
Signature algorithm: rsa-sha256
The certificate for bechtel.com uses an acceptable signature algorithm.
pass
RSA key: 2048 bits
The certificate for bechtel.com uses an adequate RSA key of 2048 bits.
pass
SCTs present in certificate
The certificate for bechtel.com contains Signed Certificate Timestamps.
pass
No weak ciphers detected
No known weak cipher suites detected on bechtel.com.
pass
No disposable email provider MX records
MX records for bechtel.com do not match known disposable email provider patterns.
pass
No wildcard MX records
No wildcard MX records detected for bechtel.com.
pass
TLD has good reputation
The .com TLD is not on known abuse watchlists.
pass
DMARC reporting destinations look legitimate
DMARC rua/ruf addresses do not point to known URL shortener services.
pass
MX records point to stable infrastructure
No MX records point to known dynamic DNS service domains.
pass
Strong TLS configuration on primary MX
Primary MX (mxa-00399f02.gslb.gpphosted.com) uses TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 including Forward Secrecy.
pass
SMTP banner matches infrastructure identity
The SMTP banner (mx0f-00399f02.gpphosted.com) aligns with the MX hostname (mxa-00399f02.gslb.gpphosted.com).
pass
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.
informational
Abuse contacts found for MX IPs
Abuse contact information retrieved via abusix.org DNS lookup.
informational
PhishTank — API key required
PhishTank phishing database check requires an API key.
informational
Sender Score — API key required
Sender Score reputation check requires an API key.
informational
Cisco Talos — API key required
Cisco Talos IP reputation check requires an API key.
informational
Could not connect to webmail.bechtel.com
HTTPS request to https://webmail.bechtel.com failed or timed out.
informational
WHOIS lookup failed
Could not retrieve WHOIS data for bechtel.com.
informational
Could not determine domain age
WHOIS creation date could not be parsed for bechtel.com.
informational
Bulletproof Hosting Detection — API key required
Checking IPs against known bulletproof hosting providers requires a threat intelligence API key.
informational
Threat Intelligence Feeds — API key required
Checking domain against threat intelligence feeds requires API keys (e.g., VirusTotal, AbuseIPDB).
informational
Typosquat detected: bechel.com (has MX!), bechtle.com (has MX!), vechtel.com (has MX!), hechtel.com (has MX!), echtel.com
20 registered lookalike domain(s) that could be used for phishing against your brand. Showing top 5 of 20. Domains with MX records can send and receive email, making them high-risk phishing vectors.
informational

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-00399f02.gslb.gpphosted.com
PTR record proves mail server legitimacy
MX: mxa-00399f02.gslb.gpphosted.com Mail server at 66.159.227.9 PTR Record Reverse DNS: mx0e-00399f02.gpphosted.com
Mail Server Identity: mxb-00399f02.gslb.gpphosted.com
PTR record proves mail server legitimacy
MX: mxb-00399f02.gslb.gpphosted.com Mail server at 66.159.227.9 PTR Record Reverse DNS: mx0e-00399f02.gpphosted.com
Mail Server Reputation: mxa-00399f02.gslb.gpphosted.com
RBL check ensures server is not blacklisted
MX: mxa-00399f02.gslb.gpphosted.com Mail server at 66.159.227.9 RBL Status Not blacklisted
Mail Server Reputation: mxb-00399f02.gslb.gpphosted.com
RBL check ensures server is not blacklisted
MX: mxb-00399f02.gslb.gpphosted.com Mail server at 66.159.227.9 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 Mode: testing
Brand Identity Chain
BIMI displays your logo in email clients, but requires DMARC enforcement
DMARC Enforcement DMARC policy: reject BIMI Record Brand logo configured
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:

bechtel.com Email Security Grade
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