Domain Overview
DNS: ✓ 1mo ago
Checker: ✓ 1mo ago
f5.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-04-06 13:33:41 UTC · ↺ Refresh
MX Hostnames
- mx1.hc5801-97.iphmx.com
- mx2.hc5801-97.iphmx.com
MX Priorities
- mx1.hc5801-97.iphmx.com: 10
- mx2.hc5801-97.iphmx.com: 10
A / AAAA Records
- 159.60.134.0 (no PTR)
Mail Server IPs
- 68.232.154.38 ↩ esa.hc5801-97.iphmx.com
- 139.138.58.65 ↩ esa.hc5801-97.iphmx.com
SOA Record
Raw SOA
pdns130.f5.com dnsadmin.f5.com 12573 3600 900 1209600 3600
Primary NS (mname)
pdns130.f5.com
Admin Email (rname)
dnsadmin@f5.com
Serial
12573
Refresh
3600s
Retry
900s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
pdns130.f5.com
pdns131.f5.com
pdns150.f5.com
pdns151.f5.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:173.193.210.32/27 ip4:50.23.218.192/27 ip4:174.37.226.64/27 ip4:208.43.239.136/30 ip4:184.173.105.0/24 ip4:184.173.153.0/24 ip4:68.233.68.14/32 ip4:104.219.104.72 ip4:104.219.106.65 ip4:104.219.105.72 ip4:104.219.107.65 exists:%{i}.spf.hc5801-97.iphmx.com include:spf.protection.outlook.com include:mktomail.com include:_spf.salesforce.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; ri=3600; rua=mailto:[email protected]; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
26 records- mongodb-site-verification=EGjovmxIH7GXJAXqy2EvL4YAZQYrNeE3
- parkable-domain-verification=81BB0RfEy-pskwMf66KW26gEo68UYrZ4uYPpJIiUgoI=
- onetrust-domain-verification=305089a3e57b4f8087cf72e441a0c2c7
- google-site-verification=cNGL-u4aLQubC64AY7ijWgQfdQP37Uc0iNF0L9CU-6Q
- atlassian-domain-verification=vacpcyC/mEYqNKgdRfXCnjfcEHfR7/VGHSQc+Lk2RRMIm1iwdPcg4M/mX0OFNjuQ
- google-site-verification=zIm-_CbdIdyLUQqG3LDYpyo--Hls4FaOjiJHmJ3-Jks
- adobe-idp-site-verification=9af818c65525c17f45bb3b16b01b1292a6deed65c3f1f2b5815dc825f9dd58c1
- dropbox-domain-verification=oj5aqbo1eulz
- lucid-verification=58MzWUiZFz40
- jamf-site-verification=YK2eaJK5WmX6OkUBJg-odw
- apple-domain-verification=WmWqjjQdNTd8FLj1
- anthropic-domain-verification-2kamjp=ZZuMkVekozcvGxsCWJLdA1eAO
- status-page-domain-verification=y2kv019j5p4h
- atlassian-domain-verification=Iv/Cm1UielF25k9FOYOH+QWS9iqMJUFKzUNVB9RqH3uwzIEPziCRKryf2/dKbws8
- docker-verification=b6850f2c-29d1-4ef5-9e84-06517c63b5b7
- smartsheet-site-validation=ViznRSiRmJJYL_bUbM12TuSMi223D6i0
- docusign=a0f80b2b-cad3-42fb-bec6-e6abf458700f
- 0ugFx1int1d0kBtTIwKeL+3TA/tpJDPOm6BIWTRhDwKq9sj2Lc1loQ4tH27Da1vtpI1HjBxX2eHtpmEOnTKfPA==
- MS=ms50853128
- Dynatrace-site-verification=14970c01-b9a2-4fb0-baa4-3e55421d6198__hjigvhh8rdsjed6p5bbig75qiu
- axios-domain-verification-pzeb04=jH6MgIXTf5a6SQ4sZ3dORRFkI
- google-site-verification=nUmUWQAnvixEM-Lopr4DWotRA_VPJXL9YaCvt7e2odU
- access-domain-verification=991a9590d7b277fbfa4447d0a11a82014650d68747b1f81d75cd1a2c235fe4a6
- cisco-ci-domain-verification=6a1e8be23a89b503b322d717459a6e8485a5875162146fb1b7516fc42321c295
- google-site-verification=o76ulVr4EPgPrnnF_bbHT1OL-9awsJWyZ9fkXHOL_Ks
- SPFv=spf1 ip4:173.193.210.32/27 ip4:50.23.218.192/27 ip4:174.37.226.64/27 ip4:208.43.239.136/30 ip4:184.173.105.0/24 ip4:184.173.153.0/24 ip4:68.233.68.14/32 ip4:104.219.104.72 ip4:104.219.106.65 ip4:104.219.105.72 ip4:104.219.107.65 exists:%{i}.spf.hc5801-97.iphmx.com include:spf.protection.outlook.com include:mktomail.com include:_spf.salesforce.com -all
Full email verification for f5.com
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