Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fieldeffect.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 03:19:10 UTC · ↺ Refresh
MX Hostnames
- fieldeffect-com.mail.protection.outlook.com
MX Priorities
- fieldeffect-com.mail.protection.outlook.com: 0
A / AAAA Records
- 199.60.103.192 (no PTR)
- 199.60.103.92 (no PTR)
Mail Server IPs
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.bdm.microsoftonline.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1.bdm.microsoftonline.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns3.bdm.microsoftonline.com
ns4.bdm.microsoftonline.com
ns1.bdm.microsoftonline.com
ns2.bdm.microsoftonline.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:141.193.213.21 include:spf.protection.outlook.com ip4:167.89.0.0/17 ip4:208.117.48.0/20 ip4:50.31.32.0/19 ip4:198.37.144.0/20 ip4:198.21.0.0/21 ip4:192.254.112.0/20 include:spf1.fieldeffect.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; aspf=r; adkim=r; ri=86400; sp=none;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
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
20 records- slkeo63uihg0aie5tgj3e4g7qc
- i53hmp9dmhonjkna7ckn3ohbk6
- ojbkn3phsigssiknnhckf8aam0
- bcn=A8DA1E1C-F5D4-11EE-BB46-AA59C99D5C4A
- jo3dngdtdto4c0v9gsqm9bthdb
- hubspot-developer-verification=YWYwYzc2ZDctYThmYi00MzE0LWFjOTctOTBlNDgzYmIwM2Fh
- mgverify=65525bbe8e2fe972851dba329fbc345c42eb0b089b86ae0d8390e242dc27815c
- openai-domain-verification=dv-PMeeBnij8YUubofGTTWCPvbA
- h0nemqthodfoltun5f0d84f1r9
- 1password-site-verification=7ASOSWSSCRE2NOSPEH4XSE6BEQ
- google-site-verification=vhftG6YxS8_uBr-Tu-LQ3CZ-cK6kMci8qNgdNj1INZ0
- mscid=gEaGGUiCZve31N1my9dAPyMVJb6GPNp/mZ+O3u8KOg088qq7bk1KOprMu6Xkch07ouVNZyn92ey1ARVTtVhxag==
- atlassian-domain-verification=XohkpER4H2xgFSBOClhhlK1B0NyieZlmGTcFFJhogeHHzUPj9y47c0o1s/jKTF8J
- SPFv=spf1 ip4:141.193.213.21 include:spf.protection.outlook.com ip4:167.89.0.0/17 ip4:208.117.48.0/20 ip4:50.31.32.0/19 ip4:198.37.144.0/20 ip4:198.21.0.0/21 ip4:192.254.112.0/20 include:spf1.fieldeffect.com -all
- 23o54r70toudffb9ii3t5r9krf
- uber-domain-verification=ccdde3f8-8ce9-4e6e-8fa4-d1d04d5de5f5
- cqno07bie7a9gj4ims93kn59eq
- 8k3ju35lmpfc246rklt30dhcre
- google-site-verification=l_j8BWtTglzo-M4QiB8SgnKJ2PUGwNN30U1UAxpPZBI
- anthropic-domain-verification-qms3va=XjBjOGmHG11icONBZ6hDU15KC
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for fieldeffect.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits