Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
ofsystems.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-26 04:41:12 UTC · ↺ Refresh
MX Hostnames
- ASPMX2.GOOGLEMAIL.com
- ASPMX4.GOOGLEMAIL.com
- ASPMX.L.google.com
- ASPMX5.GOOGLEMAIL.com
- ALT1.ASPMX.L.google.com
- ASPMX3.GOOGLEMAIL.com
- ALT2.ASPMX.L.google.com
MX Priorities
- aspmx3.googlemail.com: 30
- aspmx2.googlemail.com: 30
- aspmx4.googlemail.com: 30
- aspmx.l.google.com: 10
- aspmx5.googlemail.com: 30
- alt2.aspmx.l.google.com: 20
- alt1.aspmx.l.google.com: 20
A / AAAA Records
- 198.202.211.1
Mail Server IPs
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 172.253.115.27 ↩ bg-in-f27.1e100.net
- 2607:f8b0:4004:c19::1a ↩ bk-in-f26.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
SOA Record
Raw SOA
x.ns.joker.com hostmaster.joker.com 2026032402 14400 3600 1209600 300
Primary NS (mname)
x.ns.joker.com
Admin Email (rname)
hostmaster@joker.com
Serial
2026032402
Refresh
14400s
Retry
3600s
Expire
1209600s
Minimum TTL
300s
Nameservers (NS)
y.ns.joker.com
z.ns.joker.com
x.ns.joker.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:servers.mcsv.net include:_spf.atlassian.net include:9062851.spf10.hubspotemail.net ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 4 found
google._domainkey
k1._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: google
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- google-site-verification=u5yWskXn0vaH1A7OiJ7-maTWAA8SRw6l0mi8AFUEwVQ
- google-site-verification=4KlDfv68zL-MdanzX6Y-a26BHcrXJMfr9sC1O5Rpn_o
- atlassian-domain-verification=zWNFvrkfbX5k7ar/EzGGOEloIvMVSVk5sxULEjGCVsDZROJx5dkBEh+Miz3t1QU9
- MS=ms30681574
- SPFv=spf1 include:_spf.google.com include:servers.mcsv.net include:_spf.atlassian.net include:9062851.spf10.hubspotemail.net ~all
- anthropic-domain-verification-zm4ag7=QpceXCJzA9ShQtP7tAcYC75ni
- atlassian-sending-domain-verification=6403b61a-fb71-4156-be7e-c24f807adff9
- apple-domain-verification=81u1todjmVuweY3U
Full email verification for ofsystems.com
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