Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
sunsynk.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 07:08:32 UTC · ↺ Refresh
MX Hostnames
- sunsynk-com.mail.protection.outlook.com
MX Priorities
- sunsynk-com.mail.protection.outlook.com: 0
A / AAAA Records
- 217.160.0.2 ↩ 217-160-0-2.elastic-ssl.ui-r.com
- 2001:8d8:100f:f000::28c ↩ 2001-08d8-100f-f000-0000-0000-0000-028c.elastic-ssl.ui-r.com
Mail Server IPs
- 52.101.137.0 ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
- 52.101.157.80 ↩ mail-os8pr02cu00100.inbound.protection.outlook.com
- 52.101.124.117 ↩ mail-tydpr03cu00105.inbound.protection.outlook.com
- 2a01:111:f403:cc1f::4 ↩ mail-os8pr02cu00104.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::8 ↩ mail-tydpr03cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc09:: ↩ mail-sg2pr03cu00500.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1044.ui-dns.org hostmaster.1und1.com 2017060250 28800 7200 604800 600
Primary NS (mname)
ns1044.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060250
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1056.ui-dns.com
ns1124.ui-dns.de
ns1037.ui-dns.biz
ns1044.ui-dns.org
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
5 records- apple-domain-verification=vlc1GinCfBOpfpe9
- apple-domain-verification=4pMbULGJu96uZXKi
- v=verifydomain MS=7839844
- SPFv=spf1 include:_spf-eu.ionos.com include:spf.protection.outlook.com ~all
- openai-domain-verification=dv-1cTy02pm3LhW7S9ZF3OHwZqo
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