Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
marylandtaxes.gov
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 06:11:44 UTC · ↺ Refresh
MX Hostnames
- marylandtaxes-gov.mail.protection.outlook.com
MX Priorities
- marylandtaxes-gov.mail.protection.outlook.com: 0
A / AAAA Records
- 104.18.13.234 (no PTR)
- 104.18.12.234 (no PTR)
- 2606:4700::6812:cea
- 2606:4700::6812:dea
Mail Server IPs
- 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
- 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
- 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
- 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
- 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
piotr.ns.cloudflare.com dns.cloudflare.com 2400289025 10000 2400 604800 1800
Primary NS (mname)
piotr.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400289025
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
piotr.ns.cloudflare.com
sydney.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 mx a ip4:167.102.245.34 ip4:167.102.245.200 ip4:204.14.133.227 ip4:167.102.245.194 include:spf.protection.outlook.com include:mailgun.org include:_spf.general.transactional-mail-a.com exists:%{i}._spf.sparkpostmail.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
~ Quarantine — good protection (failing mail goes to spam)
📋 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- apple-domain-verification=52i8Qk7EsgjCRmp0
- atlassian-domain-verification=KXGA8r5q5KVicfcGHdHaMWRGEWfpQ1lOe/gr7kBxJOVFajtGmYVEDdzR9xHdFQZ/
- atlassian-sending-domain-verification=29327376-4a60-4fec-8d98-5e95ff3407cc
- cisco-ci-domain-verification=134e61d7f885ada498bccd2b6e2a289b3af282048a43f10e9871048fc3628e9
- docker-verification=5f5f7390-58d0-4fbb-a7ce-54e549bfca3c
- duo_sso_verification=CiDh5Erq2LCxzHrFqEsHCJ70CD0S4IqRwfoIWDqnfafzVRFiSkXFnWmoAGRvUiYH
- SPFv=spf1 mx a ip4:167.102.245.34 ip4:167.102.245.200 ip4:204.14.133.227 ip4:167.102.245.194 include:spf.protection.outlook.com include:mailgun.org include:_spf.general.transactional-mail-a.com exists:%{i}._spf.sparkpostmail.com -all
- MS=ms10073281
- ZOOM_verify_NzuGT0B9UGXnrZmltEyQmL
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