Domain Overview
DNS: ✓ just now
Checker: ✓ just now
dynu.com
Disposable
✓ Yes
Unknown
⚠ Yes
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-06-01 21:59:47 UTC · ↺ Refresh
MX Hostnames
- mx2.dynu.com
- mail.dynu.com
MX Priorities
- mail.dynu.com: 10
- mx2.dynu.com: 20
A / AAAA Records
- 72.51.58.29 ↩ www.dynu.com
Mail Server IPs
- 72.51.58.193 ↩ mail.dynu.com
- 72.51.58.194 ↩ mail.dynu.com
- 107.161.27.201 ↩ mx2.dynu.com
SOA Record
Raw SOA
ns1.dynu.com administrator.dynu.com 77071623 1800 300 86400 1800
Primary NS (mname)
ns1.dynu.com
Admin Email (rname)
administrator@dynu.com
Serial
77071623
Refresh
1800s
Retry
300s
Expire
86400s
Minimum TTL
1800s
Nameservers (NS)
ns3.dynu.com
ns5.dynu.com
ns4.dynu.com
ns6.dynu.com
ns1.dynu.com
ns0.dynu.com
ns2.dynu.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:162.216.242.29/32 ip4:162.216.242.30/32 ip4:162.216.242.31/32 ip4:162.216.242.192/26 ip4:72.51.58.193/32 ip4:72.51.58.194/32 a:mail.dynu.com a:mx2.dynu.com a:outbound.dynu.com a:api.dynu.com a:www.dynu.com a:qa.dynu.com a:otrs.dynu.com a:webmail.dynu.com -all
📊 DNS lookups: 9/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected];ruf=mailto:[email protected];pct=100;fo=1;sp=reject;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- glyjlzpdqgh1df3r7x9g8k92wkj6x4y4
- google-site-verification=PYmtUSXe985bY4eSUJdNu1DBViM3Bz0R7pp5pNC5d9g
- yandex-verification: 58293b181305eda3
- google-site-verification=4qF9W8ePe_OO-XbUliXPMhPcLN7QKY2cLp3D2LLSK8E
- SPFv=spf1 mx ip4:162.216.242.29/32 ip4:162.216.242.30/32 ip4:162.216.242.31/32 ip4:162.216.242.192/26 ip4:72.51.58.193/32 ip4:72.51.58.194/32 a:mail.dynu.com a:mx2.dynu.com a:outbound.dynu.com a:api.dynu.com a:www.dynu.com a:qa.dynu.com a:otrs.dynu.com a:webmail.dynu.com -all
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