Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
frontierscs.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 20:54:44 UTC · ↺ Refresh
MX Hostnames
- frontierscs-com.mail.protection.outlook.com
MX Priorities
- frontierscs-com.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.66.240 (no PTR)
- 104.24.21.119 (no PTR)
- 104.24.22.119
- 2606:4700:20::6818:1577
- 2606:4700:20::6818:1677
- 2606:4700:20::ac43:42f0
Mail Server IPs
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
SOA Record
Raw SOA
fred.ns.cloudflare.com dns.cloudflare.com 2399526010 10000 2400 604800 1800
Primary NS (mname)
fred.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399526010
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
tara.ns.cloudflare.com
fred.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:vtigermails.com ip4:199.217.107.175/32 ip4:66.195.143.25 ip4:69.211.135.25 ip4:192.222.0.140 ip4:178.128.228.103 include:clispfguest.iscorp.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]; ri=84600;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._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
9 records- 5emvnsttpo6rjtj7ok36emi880
- MS=FD6BA5AE97AD4A5584C9AF7A8818404BE869D2E4
- atlassian-domain-verification=0WWRB/a6HuuGYsDMHS3fijhmsnkPEwNpEVeMdp72nWJTVCoEnO2tpNyWGbyy5ox5
- embahv9qqqnuempd3idqalt09d
- google-site-verification=SXM4vHmYAhc6DWzgeYPFxLnFFqtuop3QhUeXwkhwtdM
- sophos-domain-verification=26d8ead196d189398888cf5109e57666d11ad499e00d2ff7d270e96878a63c98
- stripe-verification=7a61e6db1a83bbca2d13de081032d57e8db4d408dbe5f87bcd15b78a5ae97c10
- SPFv=spf1 include:spf.protection.outlook.com include:vtigermails.com ip4:199.217.107.175/32 ip4:66.195.143.25 ip4:69.211.135.25 ip4:192.222.0.140 ip4:178.128.228.103 include:clispfguest.iscorp.com -all
- 1password-site-verification=2ASZWSTYIRHRZCGAUO3CMRI4KU
Full email verification for frontierscs.com
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