Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
penguinsolutions.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 02:13:48 UTC · ↺ Refresh
MX Hostnames
- penguinsolutions-com.mail.protection.outlook.com
MX Priorities
- penguinsolutions-com.mail.protection.outlook.com: 0
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 52.101.9.20 ↩ mail-bl0pr02cu00604.inbound.protection.outlook.com
- 52.101.9.24 ↩ mail-bl2pr02cu00400.inbound.protection.outlook.com
- 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
- 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
- 2a01:111:f403:c902::16 ↩ mail-byapr04cu00306.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:c92c::2 ↩ mail-dm2pr04cu00102.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
SOA Record
Raw SOA
dns1.safenames.com hostmaster.safenames.net 2026032000 28800 1800 604800 3600
Primary NS (mname)
dns1.safenames.com
Admin Email (rname)
hostmaster@safenames.net
Serial
2026032000
Refresh
28800s
Retry
1800s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
dns2.safenames.net
dns3.safenames.org
dns1.safenames.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:65.249.22.0/25 ip4:65.249.22.12 ip4:65.249.22.11 ip4:65.249.22.10 ip4:94.175.237.2 ip4:94.175.237.34 ip4:23.99.9.51 ip4:172.171.97.119 a:b.spf.service-now.com a:c.spf.service-now.com a:d.spf.service-now.com include:spf.protection.outlook.com include:_spf.salesforce.com include:aspmx.pardot.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
14 records- SPFv=spf1 ip4:65.249.22.0/25 ip4:65.249.22.12 ip4:65.249.22.11 ip4:65.249.22.10 ip4:94.175.237.2 ip4:94.175.237.34 ip4:23.99.9.51 ip4:172.171.97.119 a:b.spf.service-now.com a:c.spf.service-now.com a:d.spf.service-now.com include:spf.protection.outlook.com include:_spf.salesforce.com include:aspmx.pardot.com -all
- pardot3302=b7fb955c68a69b7cf328e2573aa1f79b675647c17a5b511cfcdf324fa90c8424
- knowbe4-site-verification=38c07d17c9bcc6b40dadec04c8b37321
- pardot62272=94f5c7977a99f77c087416fc9ba630cff0df7ebc15257acbb4c3f5849e0c769a
- atlassian-domain-verification=7XX9Q4JDDa/0egn8DeY2GM4YTal2/VSi/3zLTNef/JCy9shEwqkdgQcbl4Mve7eh
- MS=ms87252753
- cursor-domain-verification-713nga=hF38mSuEcYloX3kmeKwqmh7ry
- 0ed1fe018a311690de28364b40acd42fb200ee5f53
- google-gws-recovery-domain-verification=68943028
- google-site-verification=hWHdprqTea0eeX2jYyMMsr9-pCe-odAj7Bu90p311pg
- sending_domain3302=f35308177b1a3c43403ca57c952beb2deda00c405f6515e4ce96f1e702e7d637
- openai-domain-verification=dv-jXl0ISAFmeKtignywRtHGS8e
- box-domain-verification=4079b5d10b6340bd68dddf03f33e61c274967c3a9e7e5f1bead311e373b4e841
- smartsheet-site-validation=fVwXLxeBmxUeOnCUeN0s-jvfQBo3NUxJ
Full email verification for penguinsolutions.com
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
SPF / DKIM / DMARC Get 1,000 Free Credits