Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
mailshell.com
Disposable
✓ Yes
Unknown
⚠ Yes
Yes
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-14 08:44:31 UTC · ↺ Refresh
MX Hostnames
- d.mx.mailshell.com
MX Priorities
- d.mx.mailshell.com: 10
A / AAAA Records
- 192.81.131.31 ↩ www.mailshell.com
Mail Server IPs
- 45.79.73.35 ↩ smtp2.mailshell.com
SOA Record
Raw SOA
c.ns.mailshell.com hostmaster.mailshell.com 1771531026 16384 2048 1048576 2560
Primary NS (mname)
c.ns.mailshell.com
Admin Email (rname)
hostmaster@mailshell.com
Serial
1771531026
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s
Nameservers (NS)
c.ns.mailshell.com
b.ns.mailshell.com
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:173.255.250.161 ip6:2600:3c01::f03c:91ff:fe99:d67d ip6:2600:3c01::f03c:91ff:feb9:e9ce ip4:74.208.5.2 ip4:74.208.4.196 ip4:74.208.4.194 ip4:74.208.4.197 ip4:45.79.73.35 ip4:82.165.159.134 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — your provider may use a custom selector name.
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- atlassian-domain-verification=IZZXkwH2XouCtQXz2Shq0aZfvGjdntDU9FKU30CMhe0T4pGhxiYxBdN1oHBD8J4t
- SPFv=spf1 mx ip4:173.255.250.161 ip6:2600:3c01::f03c:91ff:fe99:d67d ip6:2600:3c01::f03c:91ff:feb9:e9ce ip4:74.208.5.2 ip4:74.208.4.196 ip4:74.208.4.194 ip4:74.208.4.197 ip4:45.79.73.35 ip4:82.165.159.134 -all
- google-site-verification=qqBlWALI6Z0IeNVH7-DL92Wo11wQ_DHASbSNiH4J8c0
- MS=B8C2E235C87332EDF9AC7DFB553CEB11624CCB7F
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