Registered 21 years ago, on no blocklists we checked, valid HTTPS, the site answered 200 in 608 ms.
Rule-based: domain age, blocklists, TLS. A heuristic, not a guarantee.

| A | 20.105.75.30 |
|---|---|
| MX | 0 frontiersin-org.mail.protection.outlook.com |
| NS | ns3-38.azure-dns.org ns4-38.azure-dns.info ns2-38.azure-dns.net ns1-38.azure-dns.com |
| TXT | google-site-verification=Wt1nvgfD1IzADD-sW4DJ1jvzm_QFfAxj-13p2zCok_Q MS=ms84096476 airtable-verification=a120a3d2ba791d46d04353640ac7c816 3115F11D4D cursor-domain-verification-vke18t=NHyfAfm5K1id6ajpHwDijW1s4 google-site-verification=Klks0QZdzge0dkgm5EHXPs1ZDQAWSjLNdy_Ymz8HqLM protonmail-verification=16614f4e6ce5063eee5f78e43ce0152455b2c516 facebook-domain-verification=aj5mh5hnxv1l38dfkokwmfoxjms0wo google-site-verification=zhaB-uo8tk5m7WAKJwGjnfJD53qq-UQuOqhwDpmld_M yahoo-verification-key=/zU/tHmxYhKJe/MRoxEDiSWtVQ6VhxB6NR+eGlhyLVY= jamf-site-verification=1bxYKozZMqR51vec0EaCjw dxw2gqvj5725g9tf7f2777dn6btgd5fw google-site-verification=6Mi_pTFPz9074_TfhZG2YO8GycC59LLD4nzlehK7Nks detectify-verification=b1a9e4b22f0d64ee625d6953143bcef6 openai-domain-verification=dv-kQjjARJlWXcmpc1VVpQodjUG google-site-verification=zeA-yzJCga1AMAKESbBt8lm-lc2_xO8zK4bLFIbDZO8 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 sinch-domain-verification=7fd3f2e9-d8fc-4380-81eb-1f99da503d73 google-site-verification=sakAmYpuLjBWAthyWfffRfcXxp1grsoitW6doSrvjao brevo-code:375d739daabaaac1ee147f5c8d13908e panop-verification=LDq7fNxcFD1dnuBRFZa8FvlzdCXOTnuB |
| registrar | GoDaddy.com, LLC |
|---|---|
| registered | 2006-02-11 |
| expires | 2027-02-11 |
| last changed | 2026-08-12 |
| nameservers | ns3-38.azure-dns.org ns1-38.azure-dns.com ns2-38.azure-dns.net ns4-38.azure-dns.info |
| status | client delete prohibited client renew prohibited client transfer prohibited client update prohibited |
| valid | yes |
|---|---|
| issuer | GoDaddy.com, Inc. |
| covers | *.frontiersin.org, frontiersin.org |
| protocol | TLSv1.3 |
Domain is not signed with DNSSEC
| SPF | pass 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 |
|---|---|
| DMARC | pass policy reject |
| DKIM | found: google, selector1, s1, s2, mail |
Whether mail claiming to be from this domain can be checked as genuine.
Green: clean. Red: listed. Grey: the list did not answer.
Agents get this as data. Bought through the API, the checks behind this page cost $0.070: profile $0.025 + trust $0.020 + screenshot $0.020 + site status $0.005.
MCP: add https://how.is/mcp to Claude, Codex or Cursor
(one-line install) and ask for domain_trust on frontiersin.org.
Reference: /llms.txt.
Watch frontiersin.org. DNS read at the source every 5 minutes; certificate, blocklists and expiry every 6 hours. You get an email only when something changes.
Watch — $1 / 30 days