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70
Total
80
DNS
70
Email
69
Security
70
Network
60
Availability
Domaincbo.gov
IPv44
IPv68
MX records2
StatusActive
Domain technical report

cbo.gov

cbo.gov

Generated: 2026-08-09T05:18:47-05:00 · Cached result

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IPv44
IPv68
MX2
NS4

DiagnosticsMain findings and recommendations

✓
IPv4 (A)30 / 30 pts · Dns

4 IPv4 address(es) detected.

✓
IPv6 (AAAA)10 / 10 pts · Dns

8 IPv6 address(es) detected.

✓
Name server redundancy20 / 20 pts · Dns

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

✓
SOA record10 / 10 pts · Dns

Authoritative zone record.

!
DNSSEC chain0 / 15 pts · Dns

Both DS and DNSKEY are required.

!
CAA policy0 / 5 pts · Dns

Certificate authority restriction.

✓
DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓
MX records20 / 20 pts · Mail

2 MX record(s).

✓
SPF25 / 25 pts · Mail

SPF policy published.

✓
DMARC25 / 25 pts · Mail

DMARC policy published.

!
DKIM0 / 20 pts · Mail

No tested DKIM selector responded.

!
MTA-STS0 / 5 pts · Mail

Mail transport policy.

!
TLS-RPT0 / 5 pts · Mail

TLS reporting policy.

✓
Valid TLS certificate55 / 55 pts · Security

34 day(s) remaining.

✓
Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

i
HTTP security headers4 / 35 pts · Security

1 of 9 evaluated headers detected.

!
PTR reverse DNS0 / 30 pts · Network

PTR not detected.

✓
IPv4 diversity35 / 35 pts · Network

Two or more IPv4 addresses receive full points.

✓
IPv6 connectivity35 / 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

4 record(s)
151.101.66.216
151.101.130.216
151.101.2.216
151.101.194.216

AAAA

8 record(s)
2a04:4e42:600::728
2a04:4e42:200::728
2a04:4e42:800::728
2a04:4e42:c00::728
2a04:4e42::728
2a04:4e42:a00::728
2a04:4e42:e00::728
2a04:4e42:400::728

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
10 mxa-001ec201.gslb.pphosted.com.
10 mxb-001ec201.gslb.pphosted.com.

TXT

15 record(s)
"openai-domain-verification=dv-CNgbHh9XzCRlGcbT4DuZE4y6"
"atlassian-domain-verification=ezby4cyuwlyQMbMM7p72k8hrEyPyyDquIz3YEbn6f4b0oHqIjIMmxWDmtIXBBUN/"
"fastly-domain-delegation-f4sriekv7bijooggribi-00403584-2025-05-12"
"dtm-domain-verification=f1ABrq548AFHjWBfgN-1dK-bVVx7ATmYcTob5IjAqeI"
"anthropic-domain-verification-cp3y41=RldLaVMdkF2HCdEz4eHKeNEYT"
"cxgxr47bhcv2jbwdv7zyd6fr80lhmkq6"
"cpg324joipbo8ki2g7bsf8ho4i"
"apple-domain-verification=Op4mutGtI4BVJJA8"
"domain-verification=vNAUMoosOzh2WWiuJEh2jL46Rqsmb9qzu4L7J-m5nDE"
"box-domain-verification=cd169b8a9be105e43824aa0ad13ad93d87bcf34c9c7238300a57fb26b05b7695"
"_usicfw8rfkkqnezlou2p6yyan4y8l7j"
"t3b6tmz1sy50kjwbpqyl0q4dzj828jvv"
"16aafc68-18a6-4806-989e-61b86148c379"
"ZOOM_verify_EhsUy5klRt61xhdo_euGhQ"
"v=spf1 include:cbo.gov._nspf.valigov.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.valigov.email ~all"

NS

4 record(s)
pdns89.ultradns.net.
pdns89.ultradns.biz.
pdns89.ultradns.org.
pdns89.ultradns.com.

SOA

1 record(s)
pdns89.ultradns.com. kristen\.skinner.cbo.gov. 2016012242 43200 900 2419200 10800

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

2 record(s)
256 3 13 b8VSkMCTXN2s//NgmCVYGYzjFxMnLs/+GxFLlv0z8apfOTtXsCpZLEkB CLYXmmo4z7VdHhdSIPh0dONfA90ORQ==
257 3 13 CAsLXMibRVlHPXN2BHi9USCq8s27qtyWOA4E2YBu6cyVUmJJ+Ee1ZdyC 4R6ih25bb025vD2h0qLic+o4mXOEuw==

RRSIG

3 record(s)
NS 13 2 1209600 20260817203431 20260803203431 43939 cbo.gov. bgmrKXGQY4tT+2OQh5BTtdcB4vxt/PwaoAduv5j8E1nmwOhbYyokfgkL myAKATTA4vwWFp+B/kCOfuqZjCQ/rg==
AAAA 13 2 300 20260817203431 20260803203431 43939 cbo.gov. ZcZLooYnRQdkjvjR+2iV6BkXl/9haBRdVB6nPDeL5+KT1zar+jc9WRm1 6dvsm9K+/lZOZV4RY9YwQeAMzA2ppA==
NSEC 13 2 1800 20260810111843 20260808091843 35496 gov. Ibg22UHBt9GEJi0mMBNf0TTh43fx5XQ83Whrj9GDFDzcmeB4rz3y1b73 LztDZKavzl9PJsU2Yjv2+NSV11pFEQ==

NSEC

0 record(s)
—

Not configured

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:cbo.gov._nspf.valigov.email include:%{i}._ip.%{h}._ehlo.%{d}._spf.valigov.email ~all

DMARC

Configured
v=DMARC1; p=reject; rua=mailto:dmarc_agg@valigov.email; ruf=mailto:brad.hicks@cbo.gov

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
cbo.gov
Description
Final URL
https://cbo.gov/
HTTP status
403

HTTP

Status
HTTP/2 403
Final URL
https://cbo.gov/
Version
3
Server
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Let's Encrypt
CN
cbo.gov
Valid from
2026-06-15T02:16:40-05:00
Valid until
2026-09-13T02:16:39-05:00
Days remaining
34
Protocol
TLSv1.3
Cipher
TLS_AES_128_GCM_SHA256

Security headers

1 active
✓
HSTSImplemented
—
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
151.101.130.216, 151.101.194.216, 151.101.2.216, 151.101.66.216
71,85 ms
Cloudflare
1.1.1.1
151.101.130.216, 151.101.194.216, 151.101.2.216, 151.101.66.216
251,83 ms
Quad9
9.9.9.9
151.101.130.216, 151.101.194.216, 151.101.2.216, 151.101.66.216
62,16 ms
OpenDNS
208.67.222.222
151.101.130.216, 151.101.194.216, 151.101.2.216, 151.101.66.216
50,58 ms
AdGuard
94.140.14.14
151.101.130.216, 151.101.194.216, 151.101.2.216, 151.101.66.216
56,25 ms

IP, geolocation and ASNAssociated network information

151.101.66.216

No data
success
No
country
region
city
asn
organization
isp

151.101.130.216

No data
success
No
country
region
city
asn
organization
isp

151.101.2.216

No data
success
No
country
region
city
asn
organization
isp

151.101.194.216

No data
success
No
country
region
city
asn
organization
isp

Visitor information

Visitor
ip
216.73.217.62
reverse
country
country_code
region
city
latitude
longitude
isp
organization
asn
timezone
browser
Other
os
Other
language
user_agent
Mozilla/5.0 AppleWebKit/537.36 (KHTML, like Gecko; compatible; ClaudeBot/1.0; +claudebot@anthropic.com)
is_bot
Yes
cloudflare
No

SMTPEmail port connectivity

mxa-001ec201.gslb.pphosted.com

Port 25: Closed/unreachable - 28.5 ms - 
Port 465: Closed/unreachable - 21.2 ms - 
Port 587: Closed/unreachable - 22 ms -

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