Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
harford.edu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 06:25:02 UTC · ↺ Refresh
MX Hostnames
- harford-edu.mail.protection.outlook.com
MX Priorities
- harford-edu.mail.protection.outlook.com: 0
A / AAAA Records
- 173.213.238.35 ↩ clharfordsd.oudeve.com
Mail Server IPs
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.194.15 ↩ mail-ch4pr21cu00107.inbound.protection.outlook.com
- 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
- 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c931::1 ↩ mail-sa9pr03cu00201.inbound.protection.outlook.com
- 2a01:111:f403:f902::2 ↩ mail-mn2pr02cu00202.inbound.protection.outlook.com
- 2a01:111:f403:f802::1 ↩ mail-sj2pr05cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-03.azure-dns.com hostmaster.harford.edu 1 3600 300 2419200 300
Primary NS (mname)
ns1-03.azure-dns.com
Admin Email (rname)
hostmaster@harford.edu
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3-03.azure-dns.org
ns4-03.azure-dns.info
ns1-03.azure-dns.com
ns2-03.azure-dns.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:204.126.204.0/24 ip4:204.126.205.0/24 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ip4:216.24.226.199 ip4:104.45.175.206 ip4:52.224.142.128 ip4:198.105.13.131 ip4:199.244.78.223 ip4:199.244.78.224 ip4:64.18.10.196 ip4:34.194.230.233 ip4:204.148.128.14 ip4:54.240.94.0/24 ip4:104.130.206.175 include:stspg-customer.com include:_spf.saffire.com include:us._netblocks.mimecast.com include:mbssmtp.mbsbooks.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._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
9 records- MS=ms64682847
- VTCghYdA++3yWGRkmSBPO4pyHgHyC+++JkZzDrEIim1kkWPGHplcEQjFud5gCtcEfZHdSifuoaM6m6a9OKMLkQ==
- adobe-idp-site-verification=e00c3db32e261445249c8d6a5896d45d2fdac5d9955cbdbc1c02b39935ade43f
- JUIRBYEQQTD090YZWP0C6ATOF6YEL2UREOYML5TC
- SPFv=spf1 ip4:204.126.204.0/24 ip4:204.126.205.0/24 include:spf.protection.outlook.com include:_spf.psm.knowbe4.com ip4:216.24.226.199 ip4:104.45.175.206 ip4:52.224.142.128 ip4:198.105.13.131 ip4:199.244.78.223 ip4:199.244.78.224 ip4:64.18.10.196 ip4:34.194.230.233 ip4:204.148.128.14 ip4:54.240.94.0/24 ip4:104.130.206.175 include:stspg-customer.com include:_spf.saffire.com include:us._netblocks.mimecast.com include:mbssmtp.mbsbooks.com -all
- have-i-been-pwned-verification=dweb_3z3mn6lz7b10ipcsrj5a4ksz
- status-page-domain-verification=00b0s9sz6t1t
- 65NNEHOSILA2AIGI9IWWF06TADT57Z27WB0P99HGG
- yOFkt7wPJfj25Bjkp2jLxB2/Jx1k931py8UhLhXI+djzQq7OWRiVWshDxd7j33qrc2GMG2t6p/qvcLqJa0OlUQ==
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