Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sprungconstruction.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 15:20:59 UTC · ↺ Refresh
MX Hostnames
- sprungconstruction-com.mail.protection.outlook.com
MX Priorities
- sprungconstruction-com.mail.protection.outlook.com: 20
A / AAAA Records
- 198.185.159.145 (no PTR)
- 198.49.23.144 (no PTR)
- 198.49.23.145
- 198.185.159.144
Mail Server IPs
- 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
- 52.101.50.1 ↩ mail-co1pr05cu00401.inbound.protection.outlook.com
- 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
- 52.101.10.16 ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
- 2a01:111:f403:f905::3 ↩ mail-dm5pr02cu00203.inbound.protection.outlook.com
- 2a01:111:f403:c902::14 ↩ mail-byapr04cu00204.inbound.protection.outlook.com
- 2a01:111:f403:f802::2 ↩ mail-sj2pr05cu00202.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.p07.nsone.net hostmaster.nsone.net 1619708056 43200 7200 1209600 3600
Primary NS (mname)
dns1.p07.nsone.net
Admin Email (rname)
hostmaster@nsone.net
Serial
1619708056
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s
Nameservers (NS)
ns03.squarespacedns.com
ns04.squarespacedns.com
dns1.p07.nsone.net
dns2.p07.nsone.net
dns3.p07.nsone.net
dns4.p07.nsone.net
ns01.squarespacedns.com
ns02.squarespacedns.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:173.164.47.53 include:_spf.snwlhosted.com include:spf.mtaroutes.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- 6kikkavh15mo1eabasm75ns775
- SPFv=spf1 include:spf.protection.outlook.com ip4:173.164.47.53 include:_spf.snwlhosted.com include:spf.mtaroutes.com -all
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