Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sisna.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-27 10:50:57 UTC · ↺ Refresh
MX Hostnames
- sisna-com.mx.av-mx.com
MX Priorities
- sisna-com.mx.av-mx.com: 10
A / AAAA Records
- 208.80.122.70 ↩ redirection.constellix.com
- 208.80.122.129 ↩ redirection.constellix.com
- 208.80.123.96 ↩ redirection.constellix.com
- 208.80.123.157 ↩ redirection.constellix.com
- 2600:1803:10b::4e ↩ systems.tiggee.net
- 2600:1803:10c::3b ↩ systems.tiggee.net
- 2600:1803:10d::4f ↩ systems.tiggee.net
- 2600:1803:10a::8 ↩ systems.tiggee.net
Mail Server IPs
- 150.136.204.204 ↩ mx.nrtc.syn-alias.com
SOA Record
Raw SOA
ns11.constellix.com dns.constellix.com 2015010116 43200 3600 1209600 180
Primary NS (mname)
ns11.constellix.com
Admin Email (rname)
dns@constellix.com
Serial
2015010116
Refresh
43200s
Retry
3600s
Expire
1209600s
Minimum TTL
180s
Nameservers (NS)
ns21.constellix.com
ns31.constellix.com
ns41.constellix.net
ns51.constellix.net
ns61.constellix.net
ns11.constellix.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:206.15.157.0/24 ip4:206.15.140.0/24 ip4:66.51.205.0/24 include:spf1.neonova.net -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected];
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
s1._domainkey
✓ Public key: 64 chars (valid)
✓ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:206.15.157.0/24 ip4:206.15.140.0/24 ip4:66.51.205.0/24 include:spf1.neonova.net -all
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