Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
arborday.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 05:51:34 UTC · ↺ Refresh
MX Hostnames
- arborday-org.mail.protection.outlook.com
MX Priorities
- arborday-org.mail.protection.outlook.com: 0
A / AAAA Records
- 104.17.244.100 (no PTR)
- 104.17.243.100 (no PTR)
- 2606:4700::6811:f464
- 2606:4700::6811:f364
Mail Server IPs
- 52.101.11.15 ↩ mail-sa9pr02cu00207.inbound.protection.outlook.com
- 52.101.40.24 ↩ mail-cy5pr05cu00100.inbound.protection.outlook.com
- 52.101.9.14 ↩ mail-bl0pr03cu00206.inbound.protection.outlook.com
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 2a01:111:f403:f908:: ↩ mail-bn1pr21cu00100.inbound.protection.outlook.com
- 2a01:111:f403:f901::1 ↩ mail-bl0pr02cu00601.inbound.protection.outlook.com
- 2a01:111:f403:c922::2 ↩ mail-bl0pr02cu00702.inbound.protection.outlook.com
- 2a01:111:f403:f804::2 ↩ mail-co1pr05cu00402.inbound.protection.outlook.com
SOA Record
Raw SOA
mark.ns.cloudflare.com dns.cloudflare.com 2399168735 10000 2400 604800 1800
Primary NS (mname)
mark.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399168735
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
venus.ns.cloudflare.com
mark.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 ip4:74.51.211.170 ip4:69.20.62.114 ip4:173.190.237.98 ip4:208.82.104.166 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 ip4:198.61.158.250 include:spf.protection.outlook.com include:mail.zendesk.com include:msgfocus.com include:incontactemail.com ip4:209.208.6.160/28 ip4:209.208.31.0/24 include:spf.aventri.com ip4:152.160.0.0/16 ip4:23.251.253.0/26 include:22569055.spf03.hubspotemail.net include:fd726b.workshop-spf.net include:spf.mandrillapp.com include:amazonses.com ~all
📊 DNS lookups: 9/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; sp=reject; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf; pct=100; ri=86400;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject
DKIM Selectors
✓ 5 found
selector1._domainkey
selector2._domainkey
mail._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 216 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
15 records- Sendinblue-code:0f9db923cdf5ef36f112c952bb00783f
- monday-com-verification=AZw-6jMdvlLIC7q4D9q2_lXXcLtfnhbAibs8_0MK8_I
- yahoo-verification-key=86l7LiIxJE3DsQc+oPHf1A1Jr0UYdkplx31O2twERA4=
- zapier-domain-verification-challenge=90950621-d3f2-4bc0-9eb8-b035833fb936
- google-site-verification=9xANs24geqA5XLaPxgtVNbvF2a4yDKy7tbrTxBaHpew
- google-site-verification=9MVrW6M2D2LnRnzoc_pUehu5SN_fd7RBkj7f_XSLP_E
- stripe-verification=3CD87FEA4DC0E359716D1E2307B3E97F9A98C756F0DD4EC3658A4031530ADC69
- d365mktkey=xDVzAsBEWGmOPVkMbVmmG4ijKtWXceRCaNqnkSLHlEcx
- google-site-verification=qRMEIZMxFpU2REU9iwoYzUfG4612cTo2IJb3-4CsAzM
- google-site-verification=q6_9jxS14eKxBTv9alRDqTPJUmmhXZLtZU8Bl7oobr8
- apple-domain-verification=DpcmdpEorh3pCOA2
- ZOOM_verify_79IfI_8SQzCEiXdBO2v6eg
- google-site-verification=GGKyoglmdrycwxjBIsp0iSU9c9-0sYWCNjJJgkdbnIQ
- google-site-verification=kWrHXyh5uXWPDnAT_Tv2OI2_CkdK3ZRPpXc6mywINOw
- SPFv=spf1 ip4:74.51.211.170 ip4:69.20.62.114 ip4:173.190.237.98 ip4:208.82.104.166 ip4:23.21.109.197 ip4:23.21.109.212 ip4:147.160.167.0/26 ip4:198.61.158.250 include:spf.protection.outlook.com include:mail.zendesk.com include:msgfocus.com include:incontactemail.com ip4:209.208.6.160/28 ip4:209.208.31.0/24 include:spf.aventri.com ip4:152.160.0.0/16 ip4:23.251.253.0/26 include:22569055.spf03.hubspotemail.net include:fd726b.workshop-spf.net include:spf.mandrillapp.com include:amazonses.com ~all
Free · No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for arborday.org
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits