Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dover.k12.nh.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 10:35:10 UTC · ↺ Refresh
MX Hostnames
- dover-k12-nh-us.mail.protection.outlook.com
MX Priorities
- dover-k12-nh-us.mail.protection.outlook.com: 10
A / AAAA Records
- 104.16.158.133 (no PTR)
- 104.16.159.133 (no PTR)
- 104.18.190.233
- 104.18.189.233
Mail Server IPs
- 52.101.9.26 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.10.18 ↩ mail-bn8pr05cu00302.inbound.protection.outlook.com
- 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
- 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.firstlight.net postmaster.no.email.please 598392172 3600 600 2592000 3600
Primary NS (mname)
dns1.firstlight.net
Admin Email (rname)
postmaster@no.email.please
Serial
598392172
Refresh
3600s
Retry
600s
Expire
2592000s
Minimum TTL
3600s
Nameservers (NS)
dns2.firstlight.net
dns1.firstlight.net
SPF Record
✓ Soft Fail (~all)
v=spf1 a:smtprelay.studentinformation.systems include:mg.infinitecampus.org include:spf.protection.outlook.com ip4:75.147.19.93 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
5 records- apple-domain-verification=Lktir9SaqMOw9g3q
- iekyu9noFxMRitSMInUXI32Q/n3rpSPcNmcO2ugx1KEfduzz+55A5zwRdx1hO3SDdULtb3ttBhIqXFQ6j2PqnQ==
- apple-domain-verification=qcn9DnjrTpvba0ng
- av0akr6i5fs2hlsu6erl84pqmb
- SPFv=spf1 a:smtprelay.studentinformation.systems include:mg.infinitecampus.org include:spf.protection.outlook.com ip4:75.147.19.93 ~all
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