Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
signaturefd.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 00:42:12 UTC · ↺ Refresh
MX Hostnames
- signaturefd-com.mail.protection.outlook.com
MX Priorities
- signaturefd-com.mail.protection.outlook.com: 5
A / AAAA Records
- 104.198.15.12 ↩ 12.15.198.104.bc.googleusercontent.com
Mail Server IPs
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.41.3 ↩ mail-sj2pr05cu00103.inbound.protection.outlook.com
- 52.101.42.18 ↩ mail-co1pr03cu00302.inbound.protection.outlook.com
- 52.101.40.0 ↩ mail-cy5pr03cu00300.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c902::1 ↩ mail-sj2pr05cu00401.inbound.protection.outlook.com
- 2a01:111:f403:c902::3 ↩ mail-sj0pr03cu01703.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
SOA Record
Raw SOA
dns626-1.nexcess.net hostmaster.signaturefd.com 1771870044 7200 300 1209600 10800
Primary NS (mname)
dns626-1.nexcess.net
Admin Email (rname)
hostmaster@signaturefd.com
Serial
1771870044
Refresh
7200s
Retry
300s
Expire
1209600s
Minimum TTL
10800s
Nameservers (NS)
dns626-2.nexcess.net
dns626-1.nexcess.net
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:67.231.149.155 ip4:208.86.201.45 ip4:23.21.109.197 ip4:23.21.109.212 include:3437664.spf07.hubspotemail.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:mailgun.org include:_spf.psm.knowbe4.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine;rua=mailto:[email protected];ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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- 00d61000000h4joeac
- google-site-verification=XU4jN8jMj7_89koQPnu9diCIs4ZRGC9JvkhAnkA2mHg
- docusign=daf67d43-5b3c-4022-92aa-dd8482773026
- adobe-idp-site-verification=33c7820367ea97634b91fdd43bc0e7807b22b5ca9b4846c287f8bfea18bd3700
- ZOOM_verify_23e7905wgvRPnxRJlnIYiB
- openai-domain-verification=dv-XxP6YnNLo7DZjTzmXsdDpOZr
- google-site-verification=8amVzimOMDaMnw7Y2xKGW4djWJPQlL4CvaYTOZm8puo
- anthropic-domain-verification-3fwv7v=GfisvFDjjMEvt4Wcp4Doar798
- SPFv=spf1 ip4:67.231.149.155 ip4:208.86.201.45 ip4:23.21.109.197 ip4:23.21.109.212 include:3437664.spf07.hubspotemail.net include:spf.protection.outlook.com include:spf.mandrillapp.com include:mailgun.org include:_spf.psm.knowbe4.com ~all
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 signaturefd.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits