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Total

DNS

Email

Security

Network

Availability

Domainnih.gov

IPv41

IPv60

MX records8

StatusActive

Domain technical report

Attention Required! | Cloudflare

nih.gov

Generated: 2026-08-08T17:03:12-05:00 · Cached result

JSON CSV PDF Visit site

IPv41

IPv60

MX8

NS3

DiagnosticsMain findings and recommendations

✓

IPv4 (A)30 / 30 pts · Dns

1 IPv4 address(es) detected.

IPv6 (AAAA)0 / 10 pts · Dns

0 IPv6 address(es) detected.

✓

Name server redundancy20 / 20 pts · Dns

3 NS record(s); 2 or more required.

✓

SOA record10 / 10 pts · Dns

Authoritative zone record.

✓

DNSSEC chain15 / 15 pts · Dns

DS and DNSKEY detected.

✓

CAA policy5 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

8 MX record(s).

✓

SPF25 / 25 pts · Mail

SPF policy published.

✓

DMARC25 / 25 pts · Mail

DMARC policy published.

✓

DKIM20 / 20 pts · Mail

A DKIM selector was verified.

MTA-STS0 / 5 pts · Mail

Mail transport policy.

TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓

Valid TLS certificate55 / 55 pts · Security

190 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers16 / 35 pts · Security

4 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: nih.gov

IPv4 diversity20 / 35 pts · Network

Two or more IPv4 addresses receive full points.

IPv6 connectivity0 / 35 pts · Network

AAAA availability.

✓

DNS resolution40 / 40 pts · Availability

At least one address family must resolve.

HTTP response0 / 40 pts · Availability

HTTP/2 403

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

156.40.212.210

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

8 record(s)

10 nihcesxwayst04.hub.nih.gov.
10 nihcesxway4.hub.nih.gov.
10 nihcesxwayst03.hub.nih.gov.
10 nihcesxwayst05.hub.nih.gov.
10 nihcesxway6.hub.nih.gov.
10 nihcesxwayst06.hub.nih.gov.
10 nihcesxway5.hub.nih.gov.
10 nihcesxway3.hub.nih.gov.

TXT

65 record(s)

"identrust_validate=gQ545eXspYKimJ6IrOqCZrD5ckAPWT8GjcAlRitOVlEB"
"amazonses:6dUQp3PJw2/pPriaGheRkNX6rVRchTDJCVkzGLDtftA="
"apple-domain-verification=8VumNb91MILOLiQZ"
"uub8i3goc70aj1kvl0neuhle5v"
"atlassian-domain-verification=FfyaIO5BcqxasUU4Cuwp9/4Y3ujXrMEpfhyaPydm5lM6vqDALuZFv8QqJI6qUPVp"
"v7959lz5pgb250x8gzt0fkg7j4x1s6bw"
"google-site-verification=zVNJw3i2goXwxAOFiO6ubfIWhKkgRnHS82Q7F6M6Gck"
"0d03wt1mlg5wy8z9pv9pv0rj21pc6137"
"amazonses:sFnUJ7LhEsJBsbZON/tFEgtZeGaqZiwY6vCL/+AJXak="
"atlassian-domain-verification=VhnxT3ISJLKFyasfowo1iyVXcEqztbz/3PWOQM6LP0kG9HrAlq/21h27cbqTwdxw"
"rh426i3oiis217bktj8o4nd2m2"
"mongodb-site-verification=gnP2xDWxNwIi8HvCaZxCA9DYeIIsM908"
"docusign=5a06ea48-7158-4d7c-a47f-624b9d0cebc9"
"webexdomainverification.4C675B8AF44FB136E053AB06FC0A3F65=b1985124-e9bf-4009-a584-7dee024dc7e9"
"amazonses:rhL1YpdU4RL+Q7IALiZNww69f5cR1IZDcqEh9fRy6Tg="
"_0i392yrtc0z5vy7dpsmgeoukvw7bysw"
"_ai4lciv17rnka4jdu9z7ft5dkdn6cwi"
"f71j9q2oprakr7gtedlcau485k"
"jamf-site-verification=g8V3otVBbtqnjBIjIJXrFg"
"amazonses:Socb9IMK/O81TXqIP15y3NAyd8tyEcV6waygbWSPBi0="
"YlLYOocbRZcMeei5s0g/6cFJWMNb3AljE+bns/TE/e4="
"dv-ToPuPeiy2ojjpiSg4wlEEaJe"
"cisco-ci-domain-verification=25e2351f5ed93561cf171fbead7759b2407183ca513c2c4d7eb88be637a59b7f"
"miro-verification=ce1878a9901e3785a9ee9302aaaf4b8f878ff042"
"webexdomainverification.2494X=72426cc0-664d-4a80-a6f4-113b7f648c9d"
"apple-domain-verification=c8bb3gA2SNfmH0Zx"
"webexdomainverification.4C675B897222B136E053AB06FC0A3F65=cf14e0ca-cfec-4d2b-83ab-5971ee749040"
"amazonses:F99Cv1zG5C8JOyxlwPmjFx3qCOyQ7xJdwsNMHiJbEew="
"SDRQ4Pu3aj2Qhnqm0Pu+NCsKPrfBbW56qXduqE9GxA/f5eo+/Ui6umgbTg9PW0hjeg21Q2yCpOALWHqZ91OwZQ=="
"atlassian-domain-verification=wdcwOCoxzIePKKuoOG918QCLMqYKy85i2g2UFoGlTcp32Eifql11S8xMtj1bxytf"
"atlassian-domain-verification=5I70E3MqAbQ9rCDoKlyjMB5STNFM2xRdvGSKSghuwgN4belFRwLsmIACp85aACc/"
"apple-domain-verification=2IrLd0KYEerfwrx6"
"pbj2k0thl8k6bc1b5igtqqghls"
"webexdomainverification.4C675B8A8FC5B136E053AB06FC0A3F65=81f2d6dc-b5b1-4624-9e3f-278cb4163770"
"amazonses:EpIukSNkqrJBid632tohg9ghfR9ZOm2BsQKY8fKESvs="
"apple-domain-verification=G25suhrGTYqwbLNS"
"openai-domain-verification=dv-ToPuPeiy2ojjpiSg4wlEEaJe"
"amazonses:Oq2yjJ17I+Cqlgpxl9Pto0uQ7gwb0IpbhQFCHjPwuGo="
"_acquiaplatform.nih.gov:YlLYOocbRZcMeei5s0g/6cFJWMNb3AljE+bns/TE/e4="
"apple-domain-verification=rFyOPvcO8sUX2iHP"
"docusign=850d3223-bb46-4946-986b-2410b69ed0e7"
"amazonses:vDxikFPIS0Am8dY/BlMuOFbJ2TuF64fRwUfkUGH67bY="
"mongodb-site-verification=P4xvHdvjB9koHJnGWdIuapplaUGKo9VP"
"_jiomcldogudftjarbrdx4kt57mzu5xv"
"1qM+TU0yI2yC5SbKT6I96/NjwTb/86hET84vn0/fXWW="
"x1htw52vr2t3416zs29gg8lq0zkw744c"
"amazonses:QJZljHq4QVLochyWJlHRtF/TQ7CgNwoHHWnOK7AjCWo="
"amazonses:93j7xtRaIBE5K+ERCErN+WDNFhQPQ1rY8mCD3Ut5Rqg="
"pknf061r79fsrzbmcpgnhygf1j8nvxy8"
"v=spf1 ip4:128.231.90.64/26 ip4:165.112.13.0/26 ip4:156.40.79.128/25 " "ip4:128.231.89.192/28 ip4:165.112.69.16/28 ip4:165.112.194.0/25  ip6:2607:f220:0404:8104::0/64 ip6:2607:f220:402:1a01::0/64  ip6:2607:f220:404:12e::/64 ip6:2607:f220:402:12e::/64 include:spf.protection.outlook.com ~all"
"webexdomainverification.4C675B8AEB46B136E053AB06FC0A3F65=a9568d05-1a3d-4c2b-9f45-3b5d786db694"
"google-site-verification=8BC5Gnatu9NBfOph_lZpZyG2eDK0iPs0V8Li0RKzin8"
"graphpad.com:domain-verification=gN34VRAg6P9tjzcJQp3UzA"
"adobe-idp-site-verification=5e85ea0ed34d3d2a09f830d0cfc77139471d15e20e771d90484e89895b0a9f1e"
"adobe-sign-verification=1e4a7a1987a2efa2d94b3cdcf717ec0b5d1dcbcb8c16a5d2bc4ea7c4dbcd2210"
"wOUurBjukuuVfNP30Zyjv13ohvbjr9KVCgIoMfKSL6U="
"apple-domain-verification=FTZHYv0nuXKqjeP8"
"ciscocidomainverification=1b32b084b0eb3ade21d6a521cfa1db73d2a787817950f96cf35fe67d6fa84685"
"google-site-verification=bFFD3VwenH37-hj5wbQqLUOAkLjsrX2Tp-LnN1AvpkQ"
"sv6eiguevqe64cojov3psnedd2"
"docker-verification=6c54ab12-d26d-44b7-978e-f60aa83a02f3"
"da1dfl8ipaafpqsh40iiuubf7n"
"amazonses:Ckm+FeqyUMSBHOvsBsDHWeb1nuGAr6AWg5crTuJh47k="
"amazonses:QLi7vDgXZTFrD/2qNMkfcQtCzsetuefpN50b98lKPA0="
"amazonses:njYRGZSzGLGsQ66bZMwxwZZF4zHx9G8JWosbZeNa7Eo="

NS

3 record(s)

ns3.nih.gov.
ns2.nih.gov.
ns.nih.gov.

SOA

1 record(s)

nihblox6.nih.gov. hostmaster.nih.gov. 964548 10800 1080 2592000 900

CAA

15 record(s)

0 issuewild "sectigo.com"
0 issue "identrust.com"
0 issuewild "letsencrypt.org"
0 issue "globalsign.com"
0 issue "sectigo.com"
0 issue "digicert.com"
0 issuewild "godaddy.com"
0 issuewild "amazon.com"
0 issue "amazon.com"
0 issuewild "identrust.com"
0 issue "letsencrypt.org"
0 issuewild "digicert.com"
0 issuewild "globalsign.com"
0 issue "entrust.net"
0 issue "godaddy.com"

DS

2 record(s)

36469 8 2 4DD8F9C4C445B7588D2B8FD48AF7A754777ACE002521C05C1992DB1C F2F09EED
51547 8 2 B18E5D91BB477A4040D5CBFA22DE598224340D0168856AEFAEEEDADD 192BDCF5

DNSKEY

5 record(s)

256 3 8 AwEAAZbOKcbck8dXF8HFuNHaN8Ba/r+1LDJIi1H8xmawLsGND1fF6BPA Ox6oLhF0CnFwh585zN0MrdrdhjSi2ePh5e1HgufQHzXBR5NXo1lI+oEF fwJqQAdoZ6emuRaOEE5QlkWcIm7ElqJ7JSZ+kepQTGwMrZcpHDKgk/ik 1Zx5GMC9
257 3 8 AwEAAb/TBATPq9WfPf5EQnpJWGkZWk57KAx/FsyX52dIO/fU5aRXug4L s0cOncslCYKNlmHfzfDMzfgTAzZRTisG6C6tNYlHkbZiVZ2fnytfEdhB hEpDtWrEnGKjdHTdArTnHCtoTOJkiGjbn4EVA9q/a0mNrc3+2wonamr1 1VP98GgAButivHHie9mHx7a86pMnLMUdJnG1VxvhLaU4h+wwZJ/j1e3R N2HnIQXT7S6ya5bFSzmHwH6fdQmGSULGchwIQtyESN6HVQOoxH/LxYFE S70GREnSu3kYppdNeGSDW2gw+YzLqy+kclM56Xs9hSHXKMu2+UxbEbP4 h30BLXyMdOs=
257 3 8 AwEAAa++YcItdlslCVNF3kTc2GSInUb7hqV0/XsQvE8tTd57LpjizdwF ScEVuPc+c96vciAbVIHctomn2+qWUX/xtHo6X4cDCfKrtl625iimZmxD FEMI+X3pSWlOwqzK/enlQ+HZSYDHL+8ci1LtD3KcxExJo1REC8mjh2IS 5ycuQ0TM2uU8ue66KXQGp/jhMFk37xsaH61BDU6ZZFZmPQizkl76adlj +bbqZ9i1jybnYrP6VFv1OUTyZZ0QEym8WkH8Coi1Fxepk8gb1/SCKDJv ZKizoKsVyyWM4m5kOQOBNcMKHuL2815uko1hE+8BewpW6KEYkH3kTZXB pw0gTeFubnU=
256 3 8 AwEAAbvtkTfmRJHrk4ADITMzkY0LvXviazwWzRzmG7gHDn5ircmlP6Rv o3WetpBi4bKy4T8ahk3Q+IhanmDXVLkrrRyR9HJ+7cxTJA/dk8PC09F7 i+xKyRGhFxLvxCFo0qBxckGYC/UhTjXyCk5tdIAGlVPQSDBA0TjqjNz0 RGP9xgEt
256 3 8 AwEAAaavTlYl19BV6q9XJygVL0f1DHV4SdKZrVoUgbXvoitTxVTyn7CY 0pp3b7rERYfpj7ZIXKTJLxGDO8UYOO2MGTPpoDipy42HZMA06VJG19yK kKMmWOmanZAKtJzsFIAv7To3VMLbFtwFWGCag8830ualtCCOpw4ezbFA AI/Qpvxt

RRSIG

8 record(s)

TXT 8 2 300 20260812155819 20260808155126 1918 nih.gov. WudNWvWiqrRCtjq711RBBt2YLiPqsmwnRZlCbhXSjRGKDTTq5V6jxiXq XhRYwFCzzK7J9CbCzD2gcJy98i9EHfsH/7TzxDxQgfV1U3HQTldjbuD/ U9wN2AVEwuXWVFGQy+e1vhbPOwshVaGebv4cUe4vUd48p1dDHIZCaLHv 27w=
SRV 8 2 7200 20260812200821 20260808193925 1918 nih.gov. MNsBpNk2bzfdDVlea+5zADw0sRjjXhvsqJ4giMmabc/5ypXOUTrVO9UZ CoIRnX5/U5sCmN/If1aqWukxhIG1O7YAx162K3hSzRXd/pcFuf/8gS87 ZnZjg+VDa1Er3l5RkZJnt8qEti+DwEBMdkyuzkVkZFGoW7f3cDqSChkV d/U=
DNSKEY 8 2 172800 20260812180757 20260808174849 1918 nih.gov. lovWhjuPMUohoms6w3TmzgT7ghvFrfjlGH1zZD+i2sfmu9pOQXEMwUEK 4CgtkJhZQq44LuYPrJJKuQUD7acWxIjOpkcbKBq5G6ImfupTL3Iim1d3 nV5zEbknrbW++uSwcOUd4iTD+JRUjj2iygTLb9f9Um508c4htd1996MB gXs=
DNSKEY 8 2 172800 20260812180757 20260808174849 36469 nih.gov. P6h3/QdS1ao/fRvzragO2BKqx2z63NaQfULFv/QWdR5sl6CR2x6dLDrp zP94iFG74KXsS8SQX94G7EZrQVfavm9RmwcjzKs2QYaGvfltxrt/GlpP aPapVCnOPkCg8fibe0irv1WpexTb3tLsDVlpw5Vd3f6WevG8lsGJvwOO QtK4KigaUEaUKNY0DaKdQtK7CrgqQvw6C7jp1Y/aT7Ke2g6zKM6mhLFB oMZCunTJHxPyfqNbO4EQddJQmclJMdpVApdk1ahZQ42LsSxLK7wcPkJ6 E8MQfvslOC6YUzvGUyfntHYrUPsINubufRyjZ8qNjV1wvgWHvM3+sroA sp7EJw==
DNSKEY 8 2 172800 20260812180757 20260808174849 51547 nih.gov. pKtFpA6QvLgDvOrEMI6TDtRRA2T7puTNssZzGe/gN/sZtjaK9uKQ1re1 WTekHjB4MhTNRsz+6HgTnNRf4BhVkUcM1myNCHpp+Xy2aPxtLDFJcVOp GlokCc7yfg+lv+f1WfEatyQ4oPMZkoTS+owHwxNUK84Jfn6II1/En4mf v5qlGBhO7sQLubZKyX6lOu4Q6YfP1xyB2BnFZ6WlbsTm4ahVbH6OTX+r +DiNKhkIninM/hpf2YAqnIg/uTuVj2zvYhptfIqseGLuPI/1nDoZmlPt k+hqe0jlcz/yyP1SzVbB2XUaxlGgcJEwC8dPVeAnD2/sOfRk7OEQ7lNZ WK+FEg==
SOA 8 2 7200 20260812205105 20260808195105 1918 nih.gov. mwXJF6FrqN87yrZbkt6cQGPyhCMw33vRpvKIWwifVZ442B8Ni2l0I9yh siBLA02hLN3EMdALF8D36fLfSm6ySqsXv9ObJxsp55HQ4UUt51V3TZFt AadcYQcZz5LBPewd9CSOgUzpbjPGIJvI4O1uyzdJyRkol0x8ci+nQXhl nGo=
MX 8 2 7200 20260811205013 20260807202948 1918 nih.gov. YpbPHcWy1Uwy3V1NqPr3zl9fTGjCWqBGx57Ar+i04V+BIYv071gNV7n9 KTAHlCvVKefthYOwlRkCyrt/Y2f9mTLFMky+QCn1MF6xFwTGp9BOfJNA 5K+ieL8pRVTYFAe2dQwOMMKYjx1FBmxpeEzUa6vMuy0OuKYH1NuKAJBZ EsI=
CAA 8 2 7200 20260812190647 20260808190617 1918 nih.gov. IqGCwKMMxcfqOtq7uZbZfPu9W5CYz1m/noerP1FmSWVz+iSNfcqcsQsf DoIQx3nCpn+mitGRBYPDwh2vNNX/SXZUl7ZACDYzBK6CbugmieqdkPR/ GS/Gv/makNvhGaJGCJujPuLpxcziCWTIQxuXSqUsgdcq6X1l/+u//AGf iDA=

NSEC

0 record(s)

—

Not configured

NSEC3

0 record(s)

—

Not configured

SRV

3 record(s)

10 10 5062 citvoip-exp-e2.edge.nih.gov.
10 10 5062 citvoip-exp-e3.edge.nih.gov.
10 10 5062 citvoip-exp-e1.edge.nih.gov.

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 ip4:128.231.90.64/26 ip4:165.112.13.0/26 ip4:156.40.79.128/25 ip4:128.231.89.192/28 ip4:165.112.69.16/28 ip4:165.112.194.0/25  ip6:2607:f220:0404:8104::0/64 ip6:2607:f220:402:1a01::0/64  ip6:2607:f220:404:12e::/64 ip6:2607:f220:402:12e::/64 include:spf.protection.outlook.com ~all

DMARC

Configured

v=DMARC1; p=reject; rua=mailto:8idhoybh@ag.us.dmarcian.com,mailto:reports@dmarc.cyber.dhs.gov; ruf=mailto:8idhoybh@fr.us.dmarcian.com; fo=1;

DKIM

Selector selector1

v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDCWtW6ObLLpToNfOnq2THCetpGzLKyI5CZL8NaCI7YkdXYMdwqw4ZSLvXZmOzXEmLvYJ/RPxCvi9A7ZG6aoUsD+8PRgQgJd4bAEOwfEh2mEWQPzuypRSOSDkHHmLDqfkmPBZLABprf7/SeRJuqUMdFAd8giXNnbrYUpoVgY2N/vQIDAQAB; n=1024,1456355902,1472080702

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Attention Required! | Cloudflare

Description

Final URL

https://www.nih.gov/

HTTP status

403

HTTP

Status

HTTP/2 403

Final URL

https://www.nih.gov/

Version

Server

cloudflare

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

GoDaddy.com, Inc.

www.nih.gov

Valid from

2026-02-05T09:04:58-06:00

Valid until

2027-02-15T09:47:15-06:00

Days remaining

190

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-GCM-SHA256

Security headers

4 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

✓

X-Content-Type-OptionsImplemented

✓

X-Frame-OptionsImplemented

✓

Referrer PolicyImplemented

—

Permissions PolicyNot detected

—

Cross-Origin-Opener-PolicyNot detected

—

Cross-Origin-Embedder-PolicyNot detected

—

Cross-Origin-Resource-PolicyNot detected

DNS propagationComparison across public resolvers

Public resolver comparison

Consistent

✓

Consistent propagation

5 public resolvers queried.

ResolverServerResultLatency

Google

8.8.8.8

156.40.212.210

24,86 ms

Cloudflare

1.1.1.1

156.40.212.210

9,21 ms

Quad9

9.9.9.9

156.40.212.210

53,92 ms

OpenDNS

208.67.222.222

156.40.212.210

25,33 ms

AdGuard

94.140.14.14

156.40.212.210

1.208,94 ms

IP, geolocation and ASNAssociated network information

156.40.212.210

No data

success

country

region

city

asn

organization

isp

Visitor information

Visitor

216.73.217.62

reverse

country

country_code

region

city

latitude

longitude

isp

organization

asn

timezone

browser

Other

language

user_agent

Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)

is_bot

Yes

cloudflare

SMTPEmail port connectivity

nihcesxwayst04.hub.nih.gov

Port 25: Closed/unreachable - 1.3 ms - 
Port 465: Closed/unreachable - 4020.6 ms - 
Port 587: Closed/unreachable - 4020.9 ms -

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