Analyze any domain

Get a complete DNS, email, SSL, HTTP and network analysis in seconds.

Total

DNS

Email

Security

Network

100

Availability

Domainrockefeller.edu

IPv41

IPv60

MX records2

StatusActive

Domain technical report

The Rockefeller University

rockefeller.edu

Generated: 2026-08-10T10:26:08-05:00 · Cached result

JSON CSV PDF Visit site

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).

✓

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

128 day(s) remaining.

✓

Certificate lifetime10 / 10 pts · Security

Full points require at least 30 days remaining.

HTTP security headers8 / 35 pts · Security

2 of 9 evaluated headers detected.

✓

PTR reverse DNS30 / 30 pts · Network

PTR: www.rockefeller.edu

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/2 200

✓

HTTPS final URL20 / 20 pts · Availability

Final URL uses HTTPS.

DNS and emailPublished records and email configuration

A

1 record(s)

129.85.244.162

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

2 record(s)

10 mxb-00185a01.gslb.pphosted.com.
10 mxa-00185a01.gslb.pphosted.com.

TXT

8 record(s)

"duo_sso_verification=TV7hZuS7eXNJ5o5pK05dRUWGaHxJ4HvwtQqd1RQC34Igp3yKF1Mur09bg8Avz5d0"
"adobe-idp-site-verification=ca3147092b883dcd0af2f3cbfc6b464bb07b6ecd3cf7ec627ccc3b78bcf21097"
"amazonses:wsmXJyjhC/5VM8iEtUHDpEDRuKA51avfebXEM9Hz7HE="
"hkan9rgc8852499sajhi0qttba"
"virtru-site-verify=bmvygDn6M7QuPJ6FNiDPWh2hiqhGc3pu626cdj2W"
"v=spf1 mx mx:rockefeller.edu include:servers.mcsv.net include:spf.protection.outlook.com " "ip4:129.85.244.230 ip4:129.85.244.231 ip4:129.85.244.37 ip4:129.85.244.38 ip4:129.85.244.39 " "ip4:66.159.241.205 ip4:66.159.239.177 ip4:129.80.56.29 ip4:132.226.58.160 " "include:huronclick.com include:outboundmail.blackbaud.net include:spf-00185a01.pphosted.com -all"
"ssKmOLPLTiK5WmM4ONioIV3NeQBmFEw9goxu1hKsDaEQewi2PFkqMTJ9rJda4tmnC76axhgVDM5SkqNdcW7aAQ=="
"anthropic-domain-verification-zpdrsf=bModUz9eCF7YWmHgYBQy0ewPQ"

NS

2 record(s)

r2d2.rockefeller.edu.
rockyd.rockefeller.edu.

SOA

1 record(s)

opus.rockefeller.edu. network.rockefeller.edu. 2209280752 10800 3600 604800 900

SPF

Configured

v=spf1 mx mx:rockefeller.edu include:servers.mcsv.net include:spf.protection.outlook.com ip4:129.85.244.230 ip4:129.85.244.231 ip4:129.85.244.37 ip4:129.85.244.38 ip4:129.85.244.39 ip4:66.159.241.205 ip4:66.159.239.177 ip4:129.80.56.29 ip4:132.226.58.160 include:huronclick.com include:outboundmail.blackbaud.net include:spf-00185a01.pphosted.com -all

DMARC

Configured

v=DMARC1; p=none; rua=mailto:dmarc@rockefeller.edu

DKIM

Selector k1

k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDbNrX2cY/GUKIFx2G/1I00ftdAj713WP9AQ1xir85i89sA2guU0ta4UX1Xzm06XIU6iBP41VwmPwBGRNofhBVR+e6WHUoNyIR4Bn84LVcfZE20rmDeXQblIupNWBqLXM1Q+VieI/eZu/7k9/vOkLSaQQdml4Cv8lb3PcnluMVIhQIDAQAB;

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

The Rockefeller University

Description

Final URL

https://www.rockefeller.edu/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.rockefeller.edu/

Version

Server

nginx/1.20.1

X-Powered-By

PHP/8.1.29

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Sectigo Limited

www.rockefeller.edu

Valid from

2026-05-31T19:00:00-05:00

Valid until

2026-12-16T17:59:59-06:00

Days remaining

128

Protocol

TLSv1.3

Cipher

TLS_AES_256_GCM_SHA384

Security headers

2 active

✓

HSTSImplemented

—

Content Security PolicyNot detected

—

X-Content-Type-OptionsNot detected

✓

X-Frame-OptionsImplemented

—

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

129.85.244.162

87,74 ms

Cloudflare

1.1.1.1

129.85.244.162

104,17 ms

Quad9

9.9.9.9

129.85.244.162

81,21 ms

OpenDNS

208.67.222.222

129.85.244.162

90,05 ms

AdGuard

94.140.14.14

129.85.244.162

60,13 ms

IP, geolocation and ASNAssociated network information

129.85.244.162

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

mxb-00185a01.gslb.pphosted.com

Port 25: Closed/unreachable - 50.2 ms - 
Port 465: Closed/unreachable - 71.7 ms - 
Port 587: Closed/unreachable - 48.2 ms -

Recently analyzed domains

View all →

eldebate.com76 asso.fr4 amazonaws.com78 enamad.ir42 ab.ca4 businessfrance.fr96 active24.cz95 www.news.bbc.co.uk4 chiba.jp4 z9x8c7v6b5-debug-trigger-wapdns.com4