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Total

DNS

Email

Security

Network

Availability

Domainusbr.gov

IPv41

IPv60

MX records1

StatusActive

Domain technical report

Down For Maintenance

usbr.gov

Generated: 2026-08-10T04:08:22-05:00 · Cached result

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IPv41

IPv60

MX1

NS2

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

2 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 policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

1 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

169 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers0 / 35 pts · Security

0 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: c5awebvip3.usbr.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

No successful HTTP response.

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

137.77.5.62

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

1 record(s)

20 usbr-gov.mail.protection.outlook.com.

TXT

15 record(s)

"adobe-idp-site-verification=f6446622623414e812eb7428d7815b044d8e83fac0d7bfdd1e8f782a086bb6b3"
"domain-verification=NfFrQuP0uiJAFFYWTy6qxJ35YxCdex8_kjNPotkfQos"
"_h50b0is02gi9qqb67kz1uratktn49dj"
"google-site-verification=LLhq1fZHUc6fjvnJBiF2wBpPsPZaYozBM0EcS8q1110"
"openai-domain-verification=dv-G417THA2bYIM9Dv1r36LZ03n"
"v=spf1 include:_spf.doi.gov include:spf.protection.outlook.com include:_spf.salesforce.com include:email.prnewswire.com ip4:140.215.120.136 ip4:96.127.113.23 ip4:52.3.55.224 ip4:52.71.29.76 ip4:65.196.93.7 ip4:70.33.172.36 ip4:38.120.135.35 ip4:216.200.23" "1.226 ip4:204.236.171.225" " -all"
"cisco-ci-domain-verification=57053635f6ad97431f59864e6ee794afa14067763c3fae14853e2403e7adc0ac"
"smartsheet-gov-site-validation=5cejBrmj1ZhX3oxMl92R8ZfVnvmKVDDX"
"p1bbn4cf49w0rfcgl4q9bdgk0rn2v308"
"google-site-verification=FGDzxAFCjg9SdFnJwEy1qPOyPBX8n3_DvcOmYLSUFH8"
"_lch505wvyf3fvruh6ciolfdxnna2cxw"
"MS=ms10235442"
"apple-domain-verification=IStCOjxXwBo1ajgC"
"atlassian-domain-verification=BDNWwhbMkb/KgzHy3HEdJBunaWjCLLc1pTa1UNQLj/zH/f2zkBaWuLxSzT8UjnZV"
"perplexity-ai-domain-verification-bx30pc=npww1udMKsUs0X03zHzd3VXWu"

NS

2 record(s)

miles.ns.cloudflare.com.
chin.ns.cloudflare.com.

SOA

1 record(s)

chin.ns.cloudflare.com. dns.cloudflare.com. 2411220010 10000 2400 604800 1800

CAA

0 record(s)

—

Not configured

DS

1 record(s)

2371 13 2 2C6F358DAF02D96FAE5F8CA4FA3D3AE9749ADD700DFE367EB4556A78 5E4D618E

DNSKEY

2 record(s)

257 3 13 mdsswUyr3DPW132mOi8V9xESWE8jTo0dxCjjnopKl+GqJxpVXckHAeF+ KkxLbxILfDLUT0rAK9iUzy1L53eKGQ==
256 3 13 oJMRESz5E4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8 KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA==

RRSIG

0 record(s)

—

Not configured

NSEC

1 record(s)

\000.usbr.gov. A NS SOA PTR HINFO MX TXT AAAA LOC SRV NAPTR CERT SSHFP RRSIG NSEC DNSKEY TLSA SMIMEA HIP CDS CDNSKEY OPENPGPKEY SVCB HTTPS URI CAA

NSEC3

0 record(s)

—

Not configured

SRV

0 record(s)

—

Not configured

NAPTR

0 record(s)

—

Not configured

TLSA

0 record(s)

—

Not configured

SSHFP

0 record(s)

—

Not configured

SPF

Configured

v=spf1 include:_spf.doi.gov include:spf.protection.outlook.com include:_spf.salesforce.com include:email.prnewswire.com ip4:140.215.120.136 ip4:96.127.113.23 ip4:52.3.55.224 ip4:52.71.29.76 ip4:65.196.93.7 ip4:70.33.172.36 ip4:38.120.135.35 ip4:216.200.231.226 ip4:204.236.171.225 -all

DMARC

Configured

v=DMARC1;p=reject;rua=mailto:dmarc_reports@doi.gov,mailto:reports@dmarc.cyber.dhs.gov

DKIM

Selector mail

v=DKIM1; k=rsa; h=sha256; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDqoO5syFukWG/mGwRZqXEJWhA99iHBsg75N0OeMXG3IWnX28cOBumgzqtQE5bHUMCeY0PX9Mn8GiQuQKHZ3iPCJVKYbANOh2HFMRiovWmviPJB8BO1wZ+f82RafRVLPEE3JGagmiJkrhE2RjXvvP0vYlaChYWbuy2SnWSeOhzayQIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Down For Maintenance

Description

Final URL

https://usbr.gov/

HTTP status

200

HTTP

Status

Final URL

https://usbr.gov/

Version

Server

X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

DigiCert Inc

*.usbr.gov

Valid from

2026-01-21T18:00:00-06:00

Valid until

2027-01-26T17:59:59-06:00

Days remaining

169

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-GCM-SHA256

Security headers

0 active

—

HSTSNot detected

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

—

X-Frame-OptionsNot detected

—

Referrer PolicyNot detected

—

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

137.77.5.62

69,39 ms

Cloudflare

1.1.1.1

137.77.5.62

41,13 ms

Quad9

9.9.9.9

137.77.5.62

35,62 ms

OpenDNS

208.67.222.222

137.77.5.62

56,85 ms

AdGuard

94.140.14.14

137.77.5.62

51,94 ms

IP, geolocation and ASNAssociated network information

137.77.5.62

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

usbr-gov.mail.protection.outlook.com

Port 25: Closed/unreachable - 1 ms - 
Port 465: Closed/unreachable - 4020.8 ms - 
Port 587: Closed/unreachable - 4019.2 ms -

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