Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mercuryhealthcare.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 04:34:20 UTC · ↺ Refresh
MX Hostnames
- alt4.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- alt1.aspmx.l.google.com
- aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 23.185.0.1
Mail Server IPs
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.251.111.26 ↩ bk-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
SOA Record
Raw SOA
ns-128.awsdns-16.com awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-128.awsdns-16.com
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1166.awsdns-17.org
ns-128.awsdns-16.com
ns-1707.awsdns-21.co.uk
ns-968.awsdns-57.net
SPF Record
✓ Strict (-all)
v=spf1 ip4:54.166.49.119 ip4:77.247.182.246 include:_spf.salesforce.com include:_spf.google.com include:spf.protection.outlook.com include:_spf.atlassian.net include:_netblocks.eloqua.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 3 found
google._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
10 records- duo_sso_verification=XNUkqRvvvRH3IqsyQYbGd6eDrgpuXfZqqaTXvDEHl5Tgphe8oydTY5u9sF44It63
- extensis-domain-verification=bd0d5303-9c27-4035-96ef-c5ecffefbcb7
- google-site-verification=Big8VMaGWVn4lr4GQhImuaAKaJ_YEw-_Yd5Awoy-XnM
- knowbe4-site-verification=a25c6ec42126a8131469bace6d8bda42
- knowbe4-site-verification=f7a588251e52a944fbe066ff43a18fb7
- SPFv=spf1 ip4:54.166.49.119 ip4:77.247.182.246 include:_spf.salesforce.com include:_spf.google.com include:spf.protection.outlook.com include:_spf.atlassian.net include:_netblocks.eloqua.com -all
- MS=ms14194880
- apple-domain-verification=OX1GFDSeXMO8a1ha
- atlassian-domain-verification=pSYZOVLDNSWypUKMboMaF9jFnyyWohkz8O7OIIjJthF+BToCynw4MqM2sGHd5US8
- atlassian-sending-domain-verification=0684a84f-c77e-4b41-984b-0e179b5ea1e7
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