Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
noblecorp.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 16:16:46 UTC · ↺ Refresh
MX Hostnames
- noblecorp-com.mail.protection.outlook.com
MX Priorities
- noblecorp-com.mail.protection.outlook.com: 10
A / AAAA Records
- 162.159.129.11 (no PTR)
Mail Server IPs
- 52.101.41.0 ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 52.101.8.46 ↩ mail-dm6pr05cu00406.inbound.protection.outlook.com
- 52.101.41.56 ↩ mail-sj0pr21cu00100.inbound.protection.outlook.com
- 52.101.10.2 ↩ mail-bn8pr03cu00202.inbound.protection.outlook.com
- 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com
- 2a01:111:f403:f909:: ↩ mail-bn6pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
lamar.ns.cloudflare.com dns.cloudflare.com 2398345643 10000 2400 604800 1800
Primary NS (mname)
lamar.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398345643
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
lamar.ns.cloudflare.com
marlowe.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.regroup.com ip4:3.126.220.14 ip4:185.65.116.5 ip4:176.221.118.82 ip4:216.200.249.177 ip4:172.202.169.216 ip4:91.222.71.122 ip4:216.200.249.254 ip4:216.120.136.66 ip4:216.120.136.67 ip4:63.97.65.205 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; pct=100; rua=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
✓ 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
15 records- SPFv=spf1 include:spf.protection.outlook.com include:_spf.regroup.com ip4:3.126.220.14 ip4:185.65.116.5 ip4:176.221.118.82 ip4:216.200.249.177 ip4:172.202.169.216 ip4:91.222.71.122 ip4:216.200.249.254 ip4:216.120.136.66 ip4:216.120.136.67 ip4:63.97.65.205 -all
- _lad10ztkb75xl4mpz6myi377gi9l3fj
- GUID: 6407cf75-7947-4358-b3ed-51a61ba1fde5
- docusign=507e263c-eb86-45ef-9c98-06bda10cb2fe
- Foxit-domain-verification=244d778a0f5b151e71fe8e41bc929c36
- GMVR3ftsweQuhZWIQXgNZsT925N4GyFW+f4algzLi1BtSIW+aIIGS+tNNjjXYwvYyIZHVhYF2QKcTgQuA6AwIA==
- onetrust-domain-verification=def6cc40df604c2d8fe508e7105d2ac7
- ms-domain-verification=2119c7c8-ed3c-47c4-ac28-fbf5e7645618
- google-site-verification=kFkz4LktEWm_bkYNa5YDmYWu-mE4t-k2AELKXVEqfvY
- GUID: 416eed33-6635-4f0b-b18f-0ee16778e326
- 0ed1fe018a7b01c056be884410aacc68e863a159be
- dslsz47fgp5mhrj050638cz4b61x4pb6
- google-site-verification=fFFK5_Ss2OcV-q5brUox7Cs7DYf7HORm4E2KpPGZc4c
- openai-domain-verification=dv-RZn0eg8wPUxXofHYOUTuRP9K
- NGsQJsZsxMZc9D6USh3iHM0i2icCqYZDYvB+X4L3kFsaoerWSDmuZ7x0pj1B9x1x1HpCX+G5BtcWvH06mFnhYA==
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 noblecorp.com
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits