Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
kortx.io
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 05:25:54 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt4.aspmx.l.google.com
- aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
MX Priorities
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
A / AAAA Records
- 160.153.0.138
Mail Server IPs
- 173.194.76.26 ↩ ws-in-f26.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-x1b.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1a ↩ dj-in-f26.1e100.net
- 142.250.31.26 ↩ bj-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 192.178.223.26 ↩ yulhrs-in-f26.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
SOA Record
Raw SOA
ns-1028.awsdns-00.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400
Primary NS (mname)
ns-1028.awsdns-00.org
Admin Email (rname)
awsdns-hostmaster@amazon.com
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns-1028.awsdns-00.org
ns-1715.awsdns-22.co.uk
ns-172.awsdns-21.com
ns-594.awsdns-10.net
SPF Record
✓ Strict (-all)
v=spf1 include:5146478.spf05.hubspotemail.net include:_spf.atlassian.net include:_spf.google.com include:amazonses.com -all
📊 DNS lookups: 4/10
✓ 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
✓ 2 found
s1._domainkey
s2._domainkey
✓ Public key: 392 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
9 records- google-site-verification=Nf4K7y06XbXDODd2TRItPcOl0hLr78Dm-p98FKFLUV0
- google-site-verification=o1ZuZkEg8sIEt6jqJkG08KY3N2qCX9_FFu63VUF1AVE
- google-site-verification=s8tLbbEN5ecnhtxy9stJWBPXuTOb8lk3WlPJ3TB3iN8
- SPFv=spf1 include:5146478.spf05.hubspotemail.net include:_spf.atlassian.net include:_spf.google.com include:amazonses.com -all
- MS=ms59362861
- atlassian-domain-verification=cioJfwcsd/znnyqYZYMVyKdCIMaB6KGKfLwfNl00RjQ68Muwio48UiIANsXVbE/U
- atlassian-sending-domain-verification=9be17abf-5e27-432b-b6cf-89145ffb7670
- facebook-domain-verification=br02jnezmc09da8fmx5olzx5ae63lr
- google-site-verification=LQRgaXSJCzy_F_KFW3lj_MgnM1xGL8DCviGkCe0fNXg
Full email verification for kortx.io
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