Domain Overview
DNS: ✓ 2d ago
Checker: ✓ 2d ago
dyndns.org
Disposable
✓ Yes
Outlook
⚠ Yes
Yes
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-23 20:36:22 UTC · ↺ Refresh
MX Hostnames
- dyndns-org.mail.protection.outlook.com
MX Priorities
- dyndns-org.mail.protection.outlook.com: 10
A / AAAA Records
- 138.1.125.45 (no PTR)
Mail Server IPs
- 52.101.41.24 ↩ mail-sj0pr03cu01600.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
- 52.101.9.5 ↩ mail-mn2pr04cu00205.inbound.protection.outlook.com
- 2a01:111:f403:f908::1 ↩ mail-bn1pr04cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f913::1 ↩ mail-cy5pr05cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f908::2 ↩ mail-bn8pr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:f902::1 ↩ mail-bl2pr02cu00101.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.dyndns.org hostmaster.dyndns.org 2747635541 600 300 604800 600
Primary NS (mname)
ns1.dyndns.org
Admin Email (rname)
hostmaster@dyndns.org
Serial
2747635541
Refresh
600s
Retry
300s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns2.p201.dns.oraclecloud.net
ns3.p201.dns.oraclecloud.net
ns4.p201.dns.oraclecloud.net
ns1.p201.dns.oraclecloud.net
SPF Record
✓ Soft Fail (~all)
v=spf1 mx/24 a:lists.dyndns.com ip4:63.208.196.0/24 ptr:opensrs.net include:outbound.mailhop.org include:sendlabs.com include:dynect.net include:spf.protection.outlook.com ~all
📊 DNS lookups: 7/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; 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
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- google-site-verification=UWnXWHTrfdlQVC_ZvTHKHVYelA-168TLmC9pMNiUul8
- 5tj7cgqkytlvvtkzdry8q8j9d8fctdpg
- MS=ms28076190
- SPFv=spf1 mx/24 a:lists.dyndns.com ip4:63.208.196.0/24 ptr:opensrs.net include:outbound.mailhop.org include:sendlabs.com include:dynect.net include:spf.protection.outlook.com ~all
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