Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ihstowers.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 12:20:45 UTC · ↺ Refresh
MX Hostnames
- ihstowers-com.mail.protection.outlook.com
MX Priorities
- ihstowers-com.mail.protection.outlook.com: 0
A / AAAA Records
- 212.58.42.47 (no PTR)
Mail Server IPs
- 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
- 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
- 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
- 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
- 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com
- 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
SOA Record
Raw SOA
ns10.digicertdns.com dns.digicertdns.com 2009015555 43200 3600 1209600 180
Primary NS (mname)
ns10.digicertdns.com
Admin Email (rname)
dns@digicertdns.com
Serial
2009015555
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns3.dnsmadeeasy.com
ns4.dnsmadeeasy.com
ns1.dnsmadeeasy.com
ns0.dnsmadeeasy.com
ns2.dnsmadeeasy.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:amazonses.com ip4:18.168.51.200/32 ip4:18.168.140.58/32 ip4:148.59.101.16/28 -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
k1._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
12 records- 69c3b98e1mv0c52ictek2bg8h2
- 9b5pbknlgm8rt0numo3f6h1voj
- pexip-ms-tenant-domain-verification=ea43ea73-9777-4c9d-a169-bcff02c6a408
- atlassian-domain-verification=3yIaFU9IefzNWWfA3Vp9Lp8UhLyQQSFZyDvkkWGEQhzlPjOsTEtkBcKCRgpbBYJY
- pfhg059al6q2ft91arfelmqvsj
- mailerlite-domain-verification=a0268bc8eb7d788bc321cfc401735af262ba38a9
- jbc7d0j2quspj18p8irm11dpq6
- pexip-portal-domain-verification=value1,ea43ea73-9777-4c9d-a169-bcff02c6a408
- ornd7nlvh6id1cahknvqehr666
- SPFv=spf1 include:spf.protection.outlook.com include:amazonses.com ip4:18.168.51.200/32 ip4:18.168.140.58/32 ip4:148.59.101.16/28 -all
- 2gdod99pomkgucrvetvj7s4u0s
- 4p53an4105hrnragio9a8e00ot
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