Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
opal-rt.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 19:31:38 UTC · ↺ Refresh
MX Hostnames
- opalrt-com01b.mail.protection.outlook.com
MX Priorities
- opalrt-com01b.mail.protection.outlook.com: 0
A / AAAA Records
- 151.101.2.216 (no PTR)
- 151.101.66.216 (no PTR)
- 151.101.130.216
- 151.101.194.216
Mail Server IPs
- 52.101.190.0 ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-08.azure-dns.com azuredns-hostmaster.microsoft.com 2018011701 10800 3600 86400 3600
Primary NS (mname)
ns1-08.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
2018011701
Refresh
10800s
Retry
3600s
Expire
86400s
Minimum TTL
3600s
Nameservers (NS)
ns3-08.azure-dns.org
ns4-08.azure-dns.info
ns1-08.azure-dns.com
ns2-08.azure-dns.net
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],mailto:[email protected]; ruf=mailto:[email protected]; fo=1
✓ 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
9 records- _2nabse9uajtcs5u2l1uefvm6xin5p7v
- google-site-verification=8i-prvOOQY73KtXLM20Llq-KqUS2oBmlkJF0dE4QU5M
- fastly-domain-delegation-goskkruj4erpsc3jgtoi-00405143-2025-05-14
- fastly-domain-delegation-00408705-2025520
- SPFv=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all
- KyUK7K9yAurSWIo5M7qnVdMkUWxZwRIBqTcBC4LVz5dYlz3DgkoGFRN0g1UQvkR8KEne3oKyOvBlAXe46nddrg==
- HlJeGBBwJ5n4uuQr6H+arBPi5MBvdimYSrDnK2fsEACzcZm9966CJICGvHf/p4nf1/SiRxlSFd3fJti+IvpUow==
- atlassian-domain-verification=Ea66NBQG9aDnhcBvYIx3H8Jbaul59yeP/A56FS4WLGFXrRfvW/MUYDQhEDIanP5R
- google-site-verification=0i2ZEcofk_yOXZCYCInhW3FjDYfXSTZdfciow1D0ZqE
Full email verification for opal-rt.com
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