frontiersin.org

Valid Email Server
Domain Lookup › frontiersin.org

Domain Overview

DNS: ✓ 1d ago Checker: ✓ 1d ago
frontiersin.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-01 18:22:19 UTC · ↺ Refresh

Add email validation to your forms — free

Add our free script to block 10,000+ disposable domains + perform other checks. No signup, unlimited checks.

MX validation Disposable detection Role accounts
Add to your signup form
<script src="https://check.verifyswift.com/"></script>
One line · No registration · See full docs & demo → · Customize →

MX Hostnames

  • frontiersin-org.mail.protection.outlook.com

MX Priorities

  • frontiersin-org.mail.protection.outlook.com: 0

A / AAAA Records

  • 20.105.75.30 (no PTR)

Mail Server IPs

  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com

SOA Record

Raw SOA ns1-38.azure-dns.com azuredns-hostmaster.microsoft.com 1 3600 300 2419200 300
Primary NS (mname)
ns1-38.azure-dns.com
Admin Email (rname)
azuredns-hostmaster@microsoft.com
Serial
1
Refresh
3600s
Retry
300s
Expire
2419200s
Minimum TTL
300s

Nameservers (NS)

ns4-38.azure-dns.info
ns1-38.azure-dns.com
ns2-38.azure-dns.net
ns3-38.azure-dns.org

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.google.com include:spf.protection.outlook.com include:_spf.qualtrics.com include:mail.zendesk.com include:_spf.salesforce.com ip4:162.242.167.196 ip4:23.253.216.149 ip4:208.117.52.183 ip4:167.89.3.113 ip4:5.61.115.80/29 ip4:204.239.0.0/24 ip6:2001:4801:7825:104:be76:4eff:fe11:c1ba ip6:2001:4801:7824:103:be76:4eff:fe10:c323 ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]; fo=1; rf=afrf
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]

DKIM Selectors

✓ 2 found
google._domainkey
mail._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

21 records
  • detectify-verification=b1a9e4b22f0d64ee625d6953143bcef6
  • airtable-verification=a120a3d2ba791d46d04353640ac7c816
  • dxw2gqvj5725g9tf7f2777dn6btgd5fw
  • google-site-verification=6Mi_pTFPz9074_TfhZG2YO8GycC59LLD4nzlehK7Nks
  • brevo-code:375d739daabaaac1ee147f5c8d13908e
  • cursor-domain-verification-vke18t=NHyfAfm5K1id6ajpHwDijW1s4
  • google-site-verification=sakAmYpuLjBWAthyWfffRfcXxp1grsoitW6doSrvjao
  • openai-domain-verification=dv-kQjjARJlWXcmpc1VVpQodjUG
  • yahoo-verification-key=/zU/tHmxYhKJe/MRoxEDiSWtVQ6VhxB6NR+eGlhyLVY=
  • SPFv=spf1 include:_spf.google.com include:spf.protection.outlook.com include:_spf.qualtrics.com include:mail.zendesk.com include:_spf.salesforce.com ip4:162.242.167.196 ip4:23.253.216.149 ip4:208.117.52.183 ip4:167.89.3.113 ip4:5.61.115.80/29 ip4:204.239.0.0/24 ip6:2001:4801:7825:104:be76:4eff:fe11:c1ba ip6:2001:4801:7824:103:be76:4eff:fe10:c323 ~all
  • google-site-verification=Wt1nvgfD1IzADD-sW4DJ1jvzm_QFfAxj-13p2zCok_Q
  • google-site-verification=zeA-yzJCga1AMAKESbBt8lm-lc2_xO8zK4bLFIbDZO8
  • panop-verification=LDq7fNxcFD1dnuBRFZa8FvlzdCXOTnuB
  • jamf-site-verification=1bxYKozZMqR51vec0EaCjw
  • google-site-verification=Klks0QZdzge0dkgm5EHXPs1ZDQAWSjLNdy_Ymz8HqLM
  • 3115F11D4D
  • facebook-domain-verification=aj5mh5hnxv1l38dfkokwmfoxjms0wo
  • sinch-domain-verification=7fd3f2e9-d8fc-4380-81eb-1f99da503d73
  • MS=ms84096476
  • protonmail-verification=16614f4e6ce5063eee5f78e43ce0152455b2c516
  • google-site-verification=zhaB-uo8tk5m7WAKJwGjnfJD53qq-UQuOqhwDpmld_M
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 · Customize →
See demo & docs
Deep verification
Full email verification for frontiersin.org

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits