Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
collective.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 23:26:46 UTC · ↺ Refresh
MX Hostnames
- alt1.aspmx.l.google.com
- alt2.aspmx.l.google.com
- alt3.aspmx.l.google.com
- aspmx.l.google.com
- alt4.aspmx.l.google.com
MX Priorities
- aspmx.l.google.com: 1
- alt3.aspmx.l.google.com: 10
- alt4.aspmx.l.google.com: 10
- alt1.aspmx.l.google.com: 5
- alt2.aspmx.l.google.com: 5
A / AAAA Records
- 104.18.3.166
- 104.18.2.166
- 2606:4700::6812:3a6
- 2606:4700::6812:2a6
Mail Server IPs
- 142.251.179.26 ↩ pd-in-f26.1e100.net
- 2607:f8b0:4004:c1d::1a ↩ ww-in-f26.1e100.net
- 192.178.223.27 ↩ yulhrs-in-f27.1e100.net
- 2a00:1450:4009:c0f::1b ↩ yulhrs-in-f27.1e100.net
- 173.194.76.27 ↩ ws-in-f27.1e100.net
- 2a00:1450:400c:c00::1b ↩ ws-in-f27.1e100.net
- 108.177.123.27 ↩ lcscld-in-f27.1e100.net
- 2800:3f0:4003:c0f::1b (no PTR)
- 172.253.116.26 ↩ dj-in-f26.1e100.net
- 2a00:1450:400b:c02::1b ↩ dj-in-f27.1e100.net
SOA Record
Raw SOA
buck.ns.cloudflare.com dns.cloudflare.com 2399252320 10000 2400 604800 1800
Primary NS (mname)
buck.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399252320
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
buck.ns.cloudflare.com
janet.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:_spf.google.com include:_spf.sendergen.com include:cust-spf.exacttarget.com include:mail.zendesk.com ip4:204.220.176.115 include:mg-spf.greenhouse.io -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]; sp=quarantine; pct=100; fo=0;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: quarantine
DKIM Selectors
✓ 1 found
google._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
27 records- google-site-verification=8he5DnmfHkdRJLGh2GMvV6ep23DhW9atNyLs1HC8LUY
- cursor-domain-verification-h9mdcv=2veecjbkk1PTBXf6rDOmIS9H2
- rippling-domain-verification=22dd5baf8e3aa113
- google-site-verification=pk1KO4yte-kGoj4IwXAkFNUroMAOep9EFUgcwhjDFsY
- zapier-domain-verification-challenge=24a1f17b-af6e-4e2f-8c4d-363bfbcef933
- google-site-verification=pREx9J0siYrz5_gt7PvyfRhaJ5TlpKGtTOQONSH1hfQ
- zapier-domain-verification-challenge=95b9ab56-f5e1-4ae4-b15c-93211dde7bdd
- google-site-verification=sutS8V9I-2IX-jxWr69tkXGz5eDebU4ZoQK_a03Krek
- asv=306afb6be1486f083813a5cc09eab8c4
- google-site-verification=Zl-drhyySwVMn6GuISk0PBHHmwA9kvCJIzr4r98WGmk
- MS=ms47356462
- anthropic-domain-verification-6229vb=autPqKBEWSqdiXgLSmoHhBygc
- apple-domain-verification=h2Ur1sCsAtFpkSQd
- atlassian-sending-domain-verification=847e53cc-5acf-4b15-9300-8212cc03007a
- atlassian-domain-verification=/Nsj0vZMYNALuhiCX1aRiQn6ECOAPlgXkur5padp4TQUUyOG4NrgRCSo1j68WT/c
- h1-domain-verification=52XD4v45SBGmnBoiGuApGrpPEQUJc8WYs2u4fxX8EVNS1QEU
- mgverify=7a4f7cd406544c5f69e115ea6f44a1f1e45cdccd5c71f7ea01c06f95f88c908b
- google-site-verification=4iAItTZ1NGaX1wrL6QH7YULM0wscgYcSVTS7To4fPA8
- google-site-verification=BruJzQAQAVhFvm-DUZGP8kr46WE10zF_abAn-_5cSZQ
- google-site-verification=OAB4nGUU6vIOXzEMg0JFn8YVDCXqU6lcz32QQxC7u-g
- google-site-verification=TCgZ4F2tNAk2cYvbmQY_JqsqhaGpcmdgPHqUbUXfDFo
- facebook-domain-verification=epdm9oxzyajaw57zapg347c0q700kt
- asv=32760f18e0e0b0c75552d2a9e1eeebe7
- google-site-verification=3wDRSntszi3-17qRi8lig0MrUyS-RklBKpRSz-xmULc
- google-site-verification=lkOJlBhbcCjl-IDc3ctmQ6UURfKCil2aa0YG881W6ss
- docusign=89940022-bc12-4d04-9dbc-0b2365e5dcf4
- SPFv=spf1 include:_spf.google.com include:_spf.sendergen.com include:cust-spf.exacttarget.com include:mail.zendesk.com ip4:204.220.176.115 include:mg-spf.greenhouse.io -all
Full email verification for collective.com
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