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61
Total
70
DNS
20
Email
69
Security
20
Network
100
Availability
Domainsprc.org
IPv41
IPv60
MX records2
StatusActive
Domain technical report

Suicide Prevention Resource Center

sprc.org

Generated: 2026-08-14T01:34:52+00:00 · Cached result

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IPv41
IPv60
MX2
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 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).

!
SPF0 / 25 pts · Mail

SPF policy not found.

!
DMARC0 / 25 pts · Mail

DMARC policy not found.

!
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

204 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.

i
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 response40 / 40 pts · Availability

HTTP/1.1 200 OK

✓
HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)
156.110.248.50

AAAA

0 record(s)
—

Not configured

CNAME

0 record(s)
—

Not configured

MX

2 record(s)
10 mxb-00272701.gslb.pphosted.com.
10 mxa-00272701.gslb.pphosted.com.

TXT

1 record(s)
"MS=ms65836920"

NS

2 record(s)
ns1.ouhsc.edu.
ns2.ouhsc.edu.

SOA

1 record(s)
ntdc-gm.net.ou.edu. itops-alerts.ouhsc.edu. 23 10800 1800 2592000 300

CAA

0 record(s)
—

Not configured

DS

0 record(s)
—

Not configured

DNSKEY

0 record(s)
—

Not configured

RRSIG

0 record(s)
—

Not configured

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

5 record(s)
;; communications error to 69.64.44.20#53: timed out
;; communications error to 69.64.44.50#53: timed out
; <<>> DiG 9.18.39-0ubuntu0.22.04.4-Ubuntu <<>> sprc.org TLSA +short +time=1 +tries=1
;; global options: +cmd
;; no servers could be reached

SSHFP

0 record(s)
—

Not configured

SPF

Not configured
—

Not configured

DMARC

Not configured
—

Not configured

DKIM

Not found
—

Not configured

Analyzed webpageMetadata and HTTP response

Title and description

Extracted
Title
Suicide Prevention Resource Center
Description
Final URL
https://sprc.org/
HTTP status
200

HTTP

Status
HTTP/1.1 200 OK
Final URL
https://sprc.org/
Version
2
Server
Apache/2.4.62 (Red Hat Enterprise Linux)
X-Powered-By

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available
Available
Yes
Issuer
Internet2
CN
sprc.org
Valid from
2026-02-03T00:00:00+00:00
Valid until
2027-03-06T23:59:59+00:00
Days remaining
204
Protocol
TLSv1.2
Cipher
ECDHE-RSA-AES128-GCM-SHA256

Security headers

1 active
—
HSTSNot detected
✓
Content Security PolicyImplemented
—
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
156.110.248.50
40,37 ms
Cloudflare
1.1.1.1
3.021,33 ms
Quad9
9.9.9.9
156.110.248.50
53,37 ms
OpenDNS
208.67.222.222
156.110.248.50
65,46 ms
AdGuard
94.140.14.14
156.110.248.50
439,60 ms

IP, geolocation and ASNAssociated network information

156.110.248.50

Identified
success
Yes
country
United States
country_code
US
region
Oklahoma
city
Oklahoma City
latitude
35.467564
longitude
-97.516431
asn
16922
organization
University of Oklahoma HSC
isp
University of Oklahoma HSC
timezone
America/Chicago

Visitor information

Visitor
ip
216.73.216.183
reverse
country
United States
country_code
US
region
Ohio
city
Columbus
latitude
39.9586885
longitude
-82.9986903
isp
Amazon.com, Inc.
organization
Anthropic, PBC
asn
16509
timezone
America/New_York
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

mxb-00272701.gslb.pphosted.com

Port 25: Closed/unreachable - 23.1 ms - 
Port 465: Closed/unreachable - 76.3 ms - 
Port 587: Closed/unreachable - 48.2 ms -

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