Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nao.org.uk
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-30 05:41:11 UTC · ↺ Refresh
MX Hostnames
- nao-org-uk.mail.protection.outlook.com
MX Priorities
- nao-org-uk.mail.protection.outlook.com: 10
A / AAAA Records
- 76.223.28.151 ↩ ab262ed34d884193d.awsglobalaccelerator.com
- 13.248.147.208 ↩ ab262ed34d884193d.awsglobalaccelerator.com
Mail Server IPs
- 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
- 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
cpanel1.connectinternetsolutions.com rkl.connect.org.uk 2026030600 3600 7200 1209600 86400
Primary NS (mname)
cpanel1.connectinternetsolutions.com
Admin Email (rname)
rkl@connect.org.uk
Serial
2026030600
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
cpanel1.connectinternetsolutions.com
cpanel2.connectinternetsolutions.com
SPF Record
✓ Strict (-all)
v=spf1 mx include:_spf2.nao.org.uk include:_spf.salesforce.com include:spf.protection.outlook.com include:_spf.distribution.vueliopm.com a:b.spf.service-now.com a:c.spf.service-now.com a:d.spf.service-now.com -all
📊 DNS lookups: 8/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; adkim=r; aspf=r; pct=100; fo=1; rf=afrf; ri=86400; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
6 records- onetrust-domain-verification=346bd844c384435aae65f808d011e904
- bsVGiwhzIQth73Ybj11z2dSaVLaZZGWhkdHDeTIkdXetuynJcrWkm1lsqYjsxojVLV8vFp5hSfzakEa1MK+6Xg==
- duo_sso_verification=ZeRBDUiQ56VC1ndkq4JkTcbwMi12pwjLTZHYZHS0MKN5d4SzCksWIj2y9Eqdxjmg
- docusign=ff4d7187-5ac2-42dd-9b1b-f7e8d78b9fd5
- SPFv=spf1 mx include:_spf2.nao.org.uk include:_spf.salesforce.com include:spf.protection.outlook.com include:_spf.distribution.vueliopm.com a:b.spf.service-now.com a:c.spf.service-now.com a:d.spf.service-now.com -all
- neat-pulse-domain-verification-5MzRxxM=c6abde95-04a2-444f-b249-4f58e10b5948
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 nao.org.uk
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits