Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
greatgulf.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 10:21:17 UTC · ↺ Refresh
MX Hostnames
- greatgulf-com.mail.protection.outlook.com
MX Priorities
- greatgulf-com.mail.protection.outlook.com: 0
A / AAAA Records
- 20.48.202.160 (no PTR)
Mail Server IPs
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 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
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-07.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-07.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns1-07.azure-dns.com
ns2-07.azure-dns.net
ns3-07.azure-dns.org
ns4-07.azure-dns.info
SPF Record
✓ Soft Fail (~all)
v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
k1._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
17 records- google-site-verification=07heNaEmvNFD5H2UQ3g2l9lGR3XeaBkYOmlWO9vncJY
- google-site-verification=AZ8qVqVakN73KFRththosRkl9UmK5VLclBX6IgaJ6tM
- BCC905C495BD1BC9F9318F615AB81C5992353D6EAF5CEC8C3198BE96E046427F
- uber-domain-verification=99fce0d9-64a2-48f7-afc8-85fed61032da
- openai-domain-verification=dv-sxcV4yPtliLhl0E9nRCZaCiD
- google-site-verification=ufHpbPwKz_-gOFLKASDaY0I9JPwGt5CLWb_-Jjzlh94
- anthropic-domain-verification-eg6p6q=Qa5KkHTDs7Cj5mhOntpG3LYxM
- docker-verification=4f47f941-9a46-41ad-af23-2ba274209b1a
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- have-i-been-pwned-verification=e1b861d5589b87ac1b8efc8431204f4c
- docusign=bbc398c3-a7f9-4dba-b845-037f85887b65
- ZOOM_verify_-X82Pb8OQNOfWFk9YGohCw
- apple-domain-verification=M25feVFufTUOYzCJ
- y293gkrhmxdnym0hm220j2n419fw5vvx
- ec0cc0f14b904e5e49baad1803ff6647.greatgulf.com
- Probely=cff21e9a-f7be-463a-af66-93a0b4737b73
- google-site-verification=AC9U2xCXoW9rMZpIgxT5bbVjulbRV34oS8huIvQSIsc
Full email verification for greatgulf.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits