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Total

DNS

Email

Security

Network

100

Availability

Domainlbl.gov

IPv41

IPv60

MX records5

StatusActive

Domain technical report

Home – Lawrence Berkeley National Laboratory

lbl.gov

Lawrence Berkeley National Laboratory is advancing the scope of human knowledge & seeking science solutions to the greatest problems facing humankind.

Generated: 2026-08-08T22:21:27-05:00 · Cached result

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IPv41

IPv60

MX5

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 policy0 / 5 pts · Dns

Certificate authority restriction.

✓

DNS propagation10 / 10 pts · Dns

Agreement between public resolvers.

✓

MX records20 / 20 pts · Mail

5 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

160 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: lbl.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 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)

131.243.228.58

AAAA

0 record(s)

—

Not configured

CNAME

0 record(s)

—

Not configured

MX

5 record(s)

1 aspmx.l.google.com.
5 alt1.aspmx.l.google.com.
10 alt3.aspmx.l.google.com.
5 alt2.aspmx.l.google.com.
10 alt4.aspmx.l.google.com.

TXT

17 record(s)

"logmein-verification-code=b89f15f9-74de-42e6-beba-fc61fb213ff5"
"pardot1008322=a85fde4e241411eab5a95741a5485759066251b9421d2aa2a4fbf634872dbed4"
"google-site-verification=GhY8O8foCyslsuOSh5VOpyIt6kp9gaZF_6X2WbtVQVI"
"docusign=0f6bb425-7a31-4e68-82be-fbd457f31774"
"docusign=1eee3cad-4748-4aaf-9ed7-b2605c9483cc"
"google-site-verification=vRtEcyl-bcyq9LlAx-IKqgI_Uw5H4I_Fn0bIxGQwWek"
"atlassian-domain-verification=9IP0nkgLSi6HnSykGR9L6B4/iYnroZIv6KiAGQZfcNV5YAZOLabe65zayxGnVyp0"
"atlassian-domain-verification=PZUpopCxEiaiTq0EmOJiF1oCvepxHULA64xstX0NEVv2Yx7HgFpB4P6hKTHyYXre"
"openai-domain-verification=dv-sfvJakqc0pd21hOhaJqnqUTd"
"anthropic-domain-verification-h102fx=00CIodRx8WUfix92z4OI6tLwt"
"qa1mnrllgnbfii00rdk66vjvm2"
"ca3-7d1dfaea22424670b66fd99306419327"
"v=spf1 include:spfint.lbl.gov ip6:2001:400:310::/64 ip4:198.124.252.166 ip4:198.129.252.90 ip6:2001:400:210:3::3 ip6:2001:400:6440:3::3 ip6:2001:400:ffff:ffff:ffff:ffff:ffff:ff25 ~all"
"c3c383f2-a153-4617-9717-54e564cb59e0"
"box-domain-verification=c15c129b49edfeda4f2998f51ab86512161af5251e765e73f8c312e8438981f7"
"google-site-verification=2dpiQJ9xZceLN1pILOitQbB163hcYnJhaK7I3y8BJ-8"
"canva-site-verification=mgUHPJc6r0NE6Q4prE9zpQ"

NS

3 record(s)

adns.lbl.gov.
adns2.es.net.
adns1.es.net.

SOA

1 record(s)

nsx.lbl.gov. hostmaster.nsx.lbl.gov. 2022563947 14400 1800 2419200 300

CAA

0 record(s)

—

Not configured

DS

1 record(s)

35733 13 2 A79C4FE4EC1B245910F3A96DA6592EA6C58AA7684015D43116344935 EFEA408F

DNSKEY

2 record(s)

257 3 13 KUETKTyh2iYb4NM3P7MyS7VTocpCo8hlWKoOH1KZIVfDk5F+nw8PrwbB JZr4SWNgS/CfMvS3J1Q8J4qzt66Ezg==
256 3 13 WyUPO/MsWJnmgc0gYO+h5viTGK9N0qKcnW+jjVGPf3+OYTm07/mJvXbK N0LucvCIlLdZFRjbLt1tIn7QNOV53Q==

RRSIG

4 record(s)

TXT 13 2 1800 20260907233605 20260808230252 9083 lbl.gov. mebXyFhj8FEfor214h193fmeMMCboz0/HZMwqBBwFDnV+DAYezUret3q 0r8NAqdq3wf4C3s0Yl9jgA5tNpFYnQ==
A 13 2 1800 20260907233605 20260808230252 9083 lbl.gov. yCNfJSzOc1Vtavy6zFZVt2aQxK4QwU4MyfquIDubioQM7i4AXwMbXjVi 8cylH+f2ER0K/+oO9UvntQ+29paQPA==
DS 13 2 3600 20260810042116 20260808022116 35496 gov. SA7F4BmIu5H6nDHv9Zdz2MIPNPshHDgOeXcgkUX2/whNj/XRv+6QhZEe bhX2u90kDnPzK2MCQff6J6BPLWxqrA==
NS 13 2 43200 20260907233605 20260808230252 9083 lbl.gov. 03QNR3JtjnlAfI3C+ceK6+RMt7aSiuTvNTjiyiHWfZH1V5X+3cGHwWHw TjGw1+RZEgJ5JrMUXrl+gSLaQdX7jA==

NSEC

1 record(s)

biologic.sp300.000136.lbl.gov. A NS SOA MX TXT RRSIG NSEC DNSKEY TYPE65534

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:spfint.lbl.gov ip6:2001:400:310::/64 ip4:198.124.252.166 ip4:198.129.252.90 ip6:2001:400:210:3::3 ip6:2001:400:6440:3::3 ip6:2001:400:ffff:ffff:ffff:ffff:ffff:ff25 ~all

DMARC

Configured

v=DMARC1;p=none;rua=mailto:dmarc-rua@lbl.gov,mailto:og6vbp83@ag.dmarcian.com;ruf=mailto:dmarc-ruf@lbl.gov

DKIM

Selector google

v=DKIM1;k=rsa;p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCKbVHgZyi2A4D8S0JTtg3gM5oH00Q4WznkTjv27tur1PuKVr36Nw9qKH7RiQborUK1W+7xqxo6QjOE2urHXQYvVWifl1LX/d6BsuTd0d9C5KhXg8HaRyCHvrUVF+Jr6zR9UvNTf06WEiRdoAEiwqsb88TWhyq623fDuuIYI9HNAwIDAQAB

Analyzed webpageMetadata and HTTP response

Title and description

Extracted

Title

Home – Lawrence Berkeley National Laboratory

Description

Lawrence Berkeley National Laboratory is advancing the scope of human knowledge & seeking science solutions to the greatest problems facing humankind.

Final URL

https://www.lbl.gov/

HTTP status

206

HTTP

Status

HTTP/2 200

Final URL

https://www.lbl.gov/

Version

Server

cloudflare

X-Powered-By

WP Engine

SSL and HTTP securityCertificate, protocol and security headers

SSL certificate

Available

Yes

Issuer

Internet2

lbl.gov

Valid from

2025-12-15T18:00:00-06:00

Valid until

2027-01-16T17:59:59-06:00

Days remaining

160

Protocol

TLSv1.2

Cipher

ECDHE-RSA-AES128-GCM-SHA256

Security headers

2 active

✓

HSTSImplemented

✓

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

131.243.228.58

56,74 ms

Cloudflare

1.1.1.1

131.243.228.58

90,89 ms

Quad9

9.9.9.9

131.243.228.58

64,79 ms

OpenDNS

208.67.222.222

131.243.228.58

77,30 ms

AdGuard

94.140.14.14

131.243.228.58

159,48 ms

IP, geolocation and ASNAssociated network information

131.243.228.58

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

aspmx.l.google.com

Port 25: Closed/unreachable - 44.1 ms - 220 mx.google.com ESMTP 586e51a60fabf-459f1f68793si5301241fac.186 - gsmtp
Port 465: Closed/unreachable - 4019.1 ms - 
Port 587: Closed/unreachable - 4019.9 ms -

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