Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kirbycorp.com
Yes
✓ Yes
Proofpoint
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 05:10:12 UTC · ↺ Refresh
MX Hostnames
- mxb-0018f701.gslb.pphosted.com
- mxa-0018f701.gslb.pphosted.com
MX Priorities
- mxb-0018f701.gslb.pphosted.com: 5
- mxa-0018f701.gslb.pphosted.com: 5
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 148.163.144.197 ↩ mx0a-0018f701.pphosted.com
- 148.163.140.197 ↩ mx0b-0018f701.pphosted.com
SOA Record
Raw SOA
udns1.ultradns.net dnsadmin.kirbycorp.com 2013083479 10800 3600 950400 86400
Primary NS (mname)
udns1.ultradns.net
Admin Email (rname)
dnsadmin@kirbycorp.com
Serial
2013083479
Refresh
10800s
Retry
3600s
Expire
950400s
Minimum TTL
86400s
Nameservers (NS)
udns2.ultradns.net
udns1.ultradns.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:64.129.39.56 ip4:64.129.39.38 ip4:64.129.39.37 ip4:204.126.230.9 include:spf-0018f701.pphosted.com include:spf-0018f702.pphosted.com include:Spf.protection.outlook.com include:44439183.spf05.hubspotemail.net include:amazonses.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
10 records- "4226d79e2960d40952b688402f30bc7961798bcc64cff8d67d41aedebc241058"
- duo_sso_verification=OYKBY28H9QT8X4yBJuC86XJ8xpx0I2Q9tjt203ffaIGTCUUj2YJW5MMdDNy9Hs9p
- m6ASNNK/YLlcDqmFtAlcqgcey7FJKvHp/6RckT2xMyLJo2qnw0B1cjYdoHBQ9osIMyS7OCwhafUt65eCWWAmQQ==
- atlassian-domain-verification=TKNWnXqVwhu7oeaID2Sq0bjG4wyKGxq6FqleZuh1Mj6v9yqf08ffjI7CMAfQyNYE
- hpe-greenlake-domain-verification=596d767a7156366d2d334c615351624d567157454a746541524e57334d513156
- SPFv=spf1 ip4:64.129.39.56 ip4:64.129.39.38 ip4:64.129.39.37 ip4:204.126.230.9 include:spf-0018f701.pphosted.com include:spf-0018f702.pphosted.com include:Spf.protection.outlook.com include:44439183.spf05.hubspotemail.net include:amazonses.com ~all
- km1e3ft8h9hpms1vl7gs3ctjuq
- lesg05mem546a0bsamsbsks50s
- "lesg05mem546a0bsamsbsks50s"
- docusign=30ff9829-d0a9-4036-827c-08cc744c82bf
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