Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
dp-aviation.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 22:45:14 UTC · ↺ Refresh
MX Hostnames
- ALT1.ASPMX.L.GOOGLE.com
- ALT2.ASPMX.L.GOOGLE.com
- ALT4.ASPMX.L.GOOGLE.com
- ASPMX.L.GOOGLE.com
- ALT3.ASPMX.L.GOOGLE.com
MX Priorities
- alt3.aspmx.l.google.com: 10
- alt2.aspmx.l.google.com: 5
- aspmx.l.google.com: 1
- alt1.aspmx.l.google.com: 5
- alt4.aspmx.l.google.com: 10
A / AAAA Records
- 185.230.63.107
Mail Server IPs
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1a ↩ yulhrs-in-f26.1e100.net
- 172.253.116.27 ↩ dj-in-f27.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
- 142.251.167.26 ↩ ww-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 108.177.123.26 ↩ lcscld-in-f26.1e100.net
- 2800:3f0:4003:c0f::1a (no PTR)
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1a ↩ ws-in-x1a.1e100.net
SOA Record
Raw SOA
ns4.apc.sg root.serangoon.apc.sg 2025112715 3600 1800 1209600 86400
Primary NS (mname)
ns4.apc.sg
Admin Email (rname)
root@serangoon.apc.sg
Serial
2025112715
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns4.apc.sg
ns5.apc.sg
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:50.6.110.14 +ip4:184.173.239.120 +include:websitewelcome.com include:_spf.google.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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 +ip4:50.6.110.14 +ip4:184.173.239.120 +include:websitewelcome.com include:_spf.google.com ~all
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