Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
button.is
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-23 13:52:26 UTC · ↺ Refresh
MX Hostnames
- button-is.mail.protection.outlook.com
MX Priorities
- button-is.mail.protection.outlook.com: 0
A / AAAA Records
- 198.202.211.1 (no PTR)
Mail Server IPs
- 52.101.190.1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c944:: ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
- 2a01:111:f403:c942::2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
SOA Record
Raw SOA
ns1.button.is hostmaster.button.is 1 7200 900 1209600 60
Primary NS (mname)
ns1.button.is
Admin Email (rname)
hostmaster@button.is
Serial
1
Refresh
7200s
Retry
900s
Expire
1209600s
Minimum TTL
60s
Nameservers (NS)
ns1.button.is
ns2.button.is
ns3.button.is
ns4.button.is
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.protection.outlook.com include:spf.mailjet.com include:sendgrid.net include:emsd1.com include:24166466.spf01.hubspotemail.net ~all
📊 DNS lookups: 6/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected],mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
DKIM Selectors
✓ 5 found
google._domainkey
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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- SPFv=spf1 include:_spf.google.com include:spf.protection.outlook.com include:spf.mailjet.com include:sendgrid.net include:emsd1.com include:24166466.spf01.hubspotemail.net ~all
- 1password-site-verification=E3CF7C4TIFCR3NUI3GGWEFGPNA
- MS=ms84416930
- apple-domain-verification=FFuVeAzwvAHBRBUA
- facebook-domain-verification=i6o1js5uikh44xax84nsrxk9hwgy9x
- facebook-domain-verification=rnz9edfjo3v4813fptwvomjarg2ien
- float-verification-code-159c890b-93a3-426d-9d69-60ebcf03ceb2
- google-site-verification=CVqkJ7Gsvsfah2EGhkstCxvKCD6uJH-dkoDd6ZYHO0s
Full email verification for button.is
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