Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
city-yuwa.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 17:40:35 UTC · ↺ Refresh
MX Hostnames
- cityyuwa-com01b.mail.protection.outlook.com
MX Priorities
- cityyuwa-com01b.mail.protection.outlook.com: 0
A / AAAA Records
- 35.75.80.246 ↩ ec2-35-75-80-246.ap-northeast-1.compute.amazonaws.com
Mail Server IPs
- 52.101.124.5 ↩ mail-tyvp286cu00305.inbound.protection.outlook.com
- 52.101.157.10 ↩ mail-os0p286cu01302.inbound.protection.outlook.com
- 52.101.157.40 ↩ mail-os9p286cu00100.inbound.protection.outlook.com
- 52.101.124.1 ↩ mail-ty3p286cu00101.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::2 ↩ mail-tyvp286cu00302.inbound.protection.outlook.com
- 2a01:111:f403:cc1a::3 ↩ mail-tyvp286cu00203.inbound.protection.outlook.com
- 2a01:111:f403:cc1f:: ↩ mail-os9p286cu00100.inbound.protection.outlook.com
- 2a01:111:f403:cc24:: ↩ mail-os0p286cu01300.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1-03.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-03.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s
Nameservers (NS)
ns2-03.azure-dns.net
ns3-03.azure-dns.org
ns4-03.azure-dns.info
ns1-03.azure-dns.com
SPF Record
✓ Strict (-all)
v=spf1 +ip4:203.114.45.246 +ip4:35.75.80.246 include:spf.protection.outlook.com include:spf.obc.jp include:spf.zohomail360.jp include:kfs.kddi.ne.jp a:www3491.sakura.ne.jp -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=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
selector1._domainkey
selector2._domainkey
✓ 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- docusign=5acb1807-daf0-4d83-8688-96608a2b3f0a
- ms-domain-verification=349aeedd-fbd2-420e-ba3c-724b7abf1575
- KzafbBmP0BpDPo+cWOkQJRK1tr4cqK8NHM5XDmfOK6lTFv1tgImZ4XBhIGYPcVmCxCBTGUXUcU9NEwvE6Ib5Mg==
- SPFv=spf1 +ip4:203.114.45.246 +ip4:35.75.80.246 include:spf.protection.outlook.com include:spf.obc.jp include:spf.zohomail360.jp include:kfs.kddi.ne.jp a:www3491.sakura.ne.jp -all
- apple-domain-verification=0l1sAAwrnYgR6Qay
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