guideline.com

Valid Email Server
Domain Lookup › guideline.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
guideline.com
Yes
✓ Yes
Google
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-20 23:14:31 UTC · ↺ Refresh

MX Hostnames

  • alt4.aspmx.l.google.com
  • alt1.aspmx.l.google.com
  • alt2.aspmx.l.google.com
  • aspmx.l.google.com
  • alt3.aspmx.l.google.com

MX Priorities

No priority data.

A / AAAA Records

  • 172.66.40.187
  • 172.66.43.69
  • 2606:4700:3108::ac42:2b45
  • 2606:4700:3108::ac42:28bb

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

dale.ns.cloudflare.com
rita.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.google.com include:spf.mandrillapp.com include:mg-spf.greenhouse.io include:_spf.atlassian.net include:_spf.salesforce.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;pct=100; rua=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 2 found
google._domainkey
k1._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

26 records
  • detectify-verification=0cb971fa7fd138cc4160f5c2dc1a0f62
  • u3F-QGq1YbVpZXtTyYwdpSs3xxpClgbr
  • MS=ms85947377
  • atlassian-domain-verification=L6M6Q/9mdUKCdWiFuQqgFvJCA1/ROmfIlMhiFoKCszyotR8XJaqrxFVxxF89id/r
  • slack-domain-verification=wKCVcaLUELpdUhSqIhcSRS97FXnRyGOApOOwFnXa
  • postman-domain-verification=8edf4d6228ce9401836336dd6c28acbe7fe79d98b4b5207e47300de9edc5e46867fa63d8a89c79f04a0d7676b766698b64ee2444227eaa937d2f7a13ab521d0f
  • apple-domain-verification=2QKil6dUewBYNw1X
  • apple-domain-verification=rJmTBpvrXOOCMp1s2llz7vv7E4JbSMzMO6_Y6PIWraQ
  • stripe-verification=43b7acfbd4fae291a94133f0640b56ca65790ebd20cf67761a2153876fec3816
  • cursor-domain-verification-g5dnz8=5ljkCa9tCA60WFNNxnN2LKDrS
  • bird-domain-verification=2b2214c9-4425-4535-83bb-6fffc2509831
  • CA92627A5C
  • loom-site-verification=db6184eba2e5452dbf522f5c473d093b
  • google-site-verification=HX6PP-POZanhXmK-h04MHz2FZzFsovO2oW87uIrOv88
  • _yibhtutc6q62u5d32c0dk57xe7z76iw
  • asv=966156eebc663c08eacb0d2e303a20bd
  • SFMC-4i9E8XWg8_297z3hp5MDHjtOXS-3GCVjA9alNH5Z
  • SPFv=spf1 include:_spf.google.com include:spf.mandrillapp.com include:mg-spf.greenhouse.io include:_spf.atlassian.net include:_spf.salesforce.com ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 -all
  • 1password-site-verification=QY2HN6AHRJHNTNTBTV63USSTEU
  • google-site-verification=3HfgVzbdPeNl5ZaMMYnYwAUmr_mVpNTrAIgt_8JZiJ8
  • apple-domain-verification=CWMrEz2W_yXigvS9C9VEW-xfr27nULfCMU9d41w2-2M
  • docusign=1fd09a5c-9031-4105-8ff6-e20c79f878a2
  • box-domain-verification=0e912c4178f723f6548a47733315769a74d5dbd74954b4d1064eb614f4aef251
  • rippling-domain-verification=4c23022375fed5aa
  • google-site-verification=XCvl-P69t4YUGAenCJmmDGHGeDZIm_hlNAHvTveP6do
  • atlassian-sending-domain-verification=026b8c53-2f5e-45c2-8437-f232ff13bb4a
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