Rank #48Updated November 10, 2026
nih.gov
nih.gov is registered with get.gov since October 2, 1997 (29.1 years). The registration expires on August 22, 2027. Its email security grade is B. Its SSL certificate is issued by GoDaddy.com, Inc. and is valid for 97 more days.
- Domain age
- 29.1 yrs
- Technologies
- —
- Email security
- B
- SSL days left
- 97
Registration
| Registrar | get.gov |
|---|---|
| IANA ID | 8888888 |
| Registered | October 2, 1997 |
| Expires | August 22, 2027 |
| Updated | August 14, 2026 |
| Status | server transfer prohibited |
| Name servers | ns.nih.gov, ns2.nih.gov, ns3.nih.gov |
| DNSSEC | Signed |
| Registrant | Department of Health and Human Services, United States |
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 156.40.212.210 | 6482 |
| MX | nihcesxway3.hub.nih.gov 10 | 1059 |
| MX | nihcesxway4.hub.nih.gov 10 | 1059 |
| MX | nihcesxway5.hub.nih.gov 10 | 1059 |
| MX | nihcesxway6.hub.nih.gov 10 | 1059 |
| MX | nihcesxwayst03.hub.nih.gov 10 | 1059 |
| MX | nihcesxwayst04.hub.nih.gov 10 | 1059 |
| MX | nihcesxwayst05.hub.nih.gov 10 | 1059 |
| MX | nihcesxwayst06.hub.nih.gov 10 | 1059 |
| NS | ns.nih.gov | 7200 |
| NS | ns2.nih.gov | 7200 |
| NS | ns3.nih.gov | 7200 |
| CAA | issue 0 amazon.com | 7200 |
| CAA | issue 0 digicert.com | 7200 |
| CAA | issue 0 entrust.net | 7200 |
| CAA | issue 0 globalsign.com | 7200 |
| CAA | issue 0 godaddy.com | 7200 |
| CAA | issue 0 identrust.com | 7200 |
| CAA | issue 0 letsencrypt.org | 7200 |
| CAA | issue 0 sectigo.com | 7200 |
| CAA | issuewild 0 amazon.com | 7200 |
| CAA | issuewild 0 digicert.com | 7200 |
| CAA | issuewild 0 globalsign.com | 7200 |
| CAA | issuewild 0 godaddy.com | 7200 |
| TXT | 9r2uhuv5j9qptpgu2ggt9bedgh | 300 |
| TXT | da1dfl8ipaafpqsh40iiuubf7n | 300 |
| TXT | errsvkc5n4e7ra1rouc8d79kbh | 300 |
| TXT | f71j9q2oprakr7gtedlcau485k | 300 |
| TXT | gqtebtnc7mnjj8e5hmf3sdq3vk | 300 |
| TXT | kt4ej3geqjaj80k3ttross1f14 | 300 |
| TXT | pbj2k0thl8k6bc1b5igtqqghls | 300 |
| TXT | rh426i3oiis217bktj8o4nd2m2 | 300 |
| TXT | rqgo340ej7cot82fsehrp6l5ap | 300 |
| TXT | sv6eiguevqe64cojov3psnedd2 | 300 |
| TXT | t6cijkcds8tua8rmnpvqe2d470 | 300 |
| TXT | uub8i3goc70aj1kvl0neuhle5v | 300 |
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | US, Go Daddy Secure Certificate Authority - G2, GoDaddy.com, Inc. |
| Expires | February 15, 2027 |
| Days remaining | 97 |
| Protocol | TLSv1.2 |
| Names | salud.nih.gov, devtestdomain.nih.gov, stagetestdomain.nih.gov, stagetestdomain6.nih.gov, stagetestdomain5.nih.gov, testdomain2.nih.gov, stagetestdomain2.nih.gov, stagetestdomain7.nih.gov, www.nih.com, devtestdomain7.nih.gov, clinicalresearchtrials.nih.gov, www.nih.gov |
Email security
BScore 83/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
- goodDMARC policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected], mailto:[email protected].
- goodDKIM keys found (selector: selector1, selector2, k1, k2, s1, s2).
- good8 MX record(s) found.
About nih.gov
Who is the registrar of nih.gov?
nih.gov is registered with get.gov (IANA ID 8888888).
When does nih.gov expire?
The current registration of nih.gov expires on August 22, 2027. It was first registered on October 2, 1997.
Does nih.gov protect its email with SPF and DMARC?
nih.gov scores 83/100 (grade B) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.
What are the name servers of nih.gov?
nih.gov uses ns.nih.gov, ns2.nih.gov, ns3.nih.gov.