Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
wibackflowtesting.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 01:37:24 UTC · ↺ Refresh
MX Hostnames
- fallbackmx.spamexperts.eu
- mx.spamexperts.com
- lastmx.spamexperts.net
MX Priorities
- fallbackmx.spamexperts.eu: 20
- mx.spamexperts.com: 10
- lastmx.spamexperts.net: 30
A / AAAA Records
- 173.254.28.216
Mail Server IPs
- 38.71.16.244 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 38.89.254.156 ↩ fe1-r2-in.ch03.l.antispamcloud.com
- 38.101.250.150 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 2001:550:2:61::2fc:100 (no PTR)
- 2001:550:2:78::ca:100 ↩ fe3-r2-in.atl06.l.antispamcloud.com
- 2001:550:2:3::62:100 ↩ fe2-r2-in.la10.l.antispamcloud.com
- 149.13.75.27 ↩ fe1-r3-in.fra02.l.antispamcloud.com
- 154.59.104.23 ↩ fe2-r3-in.ams14.l.antispamcloud.com
- 2001:978:2:2c::137:100 ↩ fe2-r3-in.ams14.l.antispamcloud.com
- 2001:978:2:7::162:100 ↩ fe1-r3-in.fra02.l.antispamcloud.com
SOA Record
Raw SOA
ns1.justhost.com root.just2018.justhost.com 2026020900 86400 7200 3600000 300
Primary NS (mname)
ns1.justhost.com
Admin Email (rname)
root@just2018.justhost.com
Serial
2026020900
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
300s
Nameservers (NS)
ns1.justhost.com
ns2.justhost.com
SPF Record
✓ Strict (-all)
v=spf1 a mx include:justhost.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;sp=none;adkim=r;aspf=r;pct=100;fo=0;rf=afrf;ri=86400;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 a mx include:justhost.com -all
Full email verification for wibackflowtesting.com
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