Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swanburypenglase.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 15:27:29 UTC · ↺ Refresh
MX Hostnames
- swanburypenglase-com.mail.protection.outlook.com
MX Priorities
- swanburypenglase-com.mail.protection.outlook.com: 0
A / AAAA Records
- 104.26.10.219 (no PTR)
- 104.26.11.219 (no PTR)
- 172.67.72.162
- 2606:4700:20::681a:adb
- 2606:4700:20::ac43:48a2
- 2606:4700:20::681a:bdb
Mail Server IPs
- 52.101.151.0 ↩ mail-meupr01cu00200.inbound.protection.outlook.com
- 52.101.149.1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com
- 52.101.149.9 ↩ mail-sy2pr01cu00501.inbound.protection.outlook.com
- 52.101.149.2 ↩ mail-sy5pr01cu00902.inbound.protection.outlook.com
- 2a01:111:f403:cc33::1 ↩ mail-meupr01cu00301.inbound.protection.outlook.com
- 2a01:111:f403:cc31::1 ↩ mail-sy8pr01cu00101.inbound.protection.outlook.com
- 2a01:111:f403:cc31::2 ↩ mail-sy5pr01cu00902.inbound.protection.outlook.com
- 2a01:111:f403:cc33:: ↩ mail-meupr01cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
andronicus.ns.cloudflare.com dns.cloudflare.com 2398502692 10000 2400 604800 1800
Primary NS (mname)
andronicus.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398502692
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
andronicus.ns.cloudflare.com
bingo.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:193.114.114.134 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- mscid=ca2RSffSpfTugcFYNVa0gN+win6hKDegTnJjkYN1B/E41IpccMAftYoxO5AILRn38mjW4huVEYwPcgajKPD7AA==
- SPFv=spf1 ip4:193.114.114.134 include:spf.protection.outlook.com include:servers.mcsv.net include:spf.mandrillapp.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 · Customize →
See demo & docs
Deep verification
Full email verification for swanburypenglase.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits