GoGuides Trust Record
Enter a domain to view its GoGuides Website Trust Record, including measured trust signals, canonical website URL, observation history, current trust state, trust record fingerprint, and crawl timing.
Current Trust Summary
This GoGuides Trust Record summarizes the current measured state for nso.edu.
Trust Status
Policy blocked
First recorded by GoGuides: 2026-01-08 23:53:12
First recorded by GoGuides: 2026-01-08 23:53:12
Public Eligibility
This domain is not eligible for positive trust display or machine-readable trust use.
Policy Reason
secretsauce penalty match
Code: secretsauce_penalty_match
Code: secretsauce_penalty_match
Historical Grade
Not Available / Historical Rank 79
Crawl Freshness
Fresh
Last crawled 15 hours ago
Last crawled 15 hours ago
Domain Provenance Record
23 measurements across 154 days
Stability Window
4 days
Trust Record
This domain is policy blocked. This Trust Record is shown for transparency and audit purposes only.
Policy blocked. Trust activation, badge publication, and positive machine-readable trust use are not available while this decision is active.
Canonical URL
https://nso.edu/
Matched URL
https://nso.edu/
AI Rank
79
Grade
Not Available
Domain Provenance Timeline
Independent GoGuides observations showing when this domain was first recorded, how long it has been observed, and when its recorded state changed.
Observed Web & Network State
Objective state captured by GoGuides during its domain observation.
These fields describe what GoGuides observed and are separate from AI Rank or Grade.
HTTP Status
200
Observed Final URL
https://nso.edu/
Observed Public IP Address
50.6.111.190
Observed Nameservers
ns1.nso.edu, ns2.nso.edu
Robots Access
Allowed
allowed
allowed
Page Robots Directive
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
TLS Certificate
CN=YR2,O=Let's Encrypt,C=US
Valid 2026-07-23 23:48:57 to 2026-10-21 23:48:56
Valid 2026-07-23 23:48:57 to 2026-10-21 23:48:56
Observed Provenance States
10 stored states across
12 observations
Observed State Changes
Content: 1
Robots: 0
DNS: 0
TLS certificate: 0
Final URL: 0
Robots: 0
DNS: 0
TLS certificate: 0
Final URL: 0
Observed Evidence Details
These are objective observations recorded by the GoGuides crawler.
They are separate from GoGuides AI Rank, Grade, or other interpretation.
Observation Type
Full Page Observation
Full Page Observation
Requested URL
https://nso.edu/
https://nso.edu/
Final URL
https://nso.edu/
https://nso.edu/
HTTP Status
200
200
Redirect Count
0
0
Content Type
text/html; charset=UTF-8
text/html; charset=UTF-8
Response Bytes
972,064
972,064
Canonical URL
https://nso.edu/
https://nso.edu/
Observed Page Title
Home Page - NSO - National Solar Observatory
Home Page - NSO - National Solar Observatory
Robots Access
Allowed
Allowed
Robots Reason
allowed
allowed
Meta Robots
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
index, follow, max-image-preview:large, max-snippet:-1, max-video-preview:-1
X-Robots-Tag
Not observed
Not observed
Observed Public IP Address(es)
50.6.111.190
50.6.111.190
Observed Nameservers
ns1.nso.edu, ns2.nso.edu
ns1.nso.edu, ns2.nso.edu
TLS Certificate Issuer
CN=YR2,O=Let's Encrypt,C=US
CN=YR2,O=Let's Encrypt,C=US
TLS Valid From
2026-07-23 23:48:57
2026-07-23 23:48:57
TLS Valid Until
2026-10-21 23:48:56
2026-10-21 23:48:56
First Observed
2026-08-14 23:34:59
2026-08-14 23:34:59
Last Observed
2026-08-15 01:43:06
2026-08-15 01:43:06
Identical-State Observations
2
2
▶ Show Cryptographic Evidence & SHA-256 Hashes ▼ Cryptographic Evidence & SHA-256 Hashes
Title SHA-256
fe614a2c4b83c36407a45ddce080e1652006d6d31b6b8f116313595d358dc17d
fe614a2c4b83c36407a45ddce080e1652006d6d31b6b8f116313595d358dc17d
Content SHA-256
b1d4065a5f01fd33941acec8a02abea483b136d9c7fceabb227d3dbec3cc8f6f
b1d4065a5f01fd33941acec8a02abea483b136d9c7fceabb227d3dbec3cc8f6f
HTTP Body SHA-256
6b5e1797389b7ad3d8a11a55c071dcdbd1b0c1f3face41522f8b428ca2e9fb03
6b5e1797389b7ad3d8a11a55c071dcdbd1b0c1f3face41522f8b428ca2e9fb03
robots.txt SHA-256
645441c2f15f7f900a4f92fe74f17dd988b1dccfc3f3c31727c265e153a1c88d
645441c2f15f7f900a4f92fe74f17dd988b1dccfc3f3c31727c265e153a1c88d
DNS State SHA-256
385277093f669231650b44d8123c37b6cf397e0f6509c53f2e1eae2166d72e3a
385277093f669231650b44d8123c37b6cf397e0f6509c53f2e1eae2166d72e3a
TLS Certificate SHA-256
8527fab657d1b8bd16b44e680d065276910272646d24d1d9c0ba8f2536f3c8cf
8527fab657d1b8bd16b44e680d065276910272646d24d1d9c0ba8f2536f3c8cf
Complete Provenance State SHA-256
de6a4d83376886b7392cab650b4f5b18387dd06f983aa96eb51647fadfea12e0
de6a4d83376886b7392cab650b4f5b18387dd06f983aa96eb51647fadfea12e0
First Seen by GoGuides
2026-01-08 23:53:12
Last Crawled by GoGuides
2026-08-15 01:43:06 (15 hours ago)
Last Record Refresh
2026-08-15 16:56:00 (just now)
Record Refresh Freshness
Fresh
Last refreshed just now
Last refreshed just now
Stored Measurement Age
154 days
Trust Record Age
218 days ago
Stored Trust Measurements
23
Measurement Span
154 days across 23 stored measurements
Stability Window
4 days
Current Trust State Since
2026-08-11 01:38:45 (4 days ago)
Days Since Last Change
4 days
Rank/Algo State Changes
1
Trust Record Fingerprint (SHA-256)
74460dc25777240f6a50342f184b7dc8e7e8713a539a01fd8da66d655142118e
Computed from: matched URL + rank + last crawled + algorithm version. This identifies the GoGuides trust record state; it is not domain-owner verification.
Provenance Observation History
This timeline shows when GoGuides recorded this trust state, including rank, crawl timing, algorithm version, and verification fingerprint.
2026-08-15 16:56:00 | rank 79 | crawled 2026-08-15 01:43:06 | v174460dc25777240f6a50342f184b7dc8e7e8713a539a01fd8da66d655142118e
2026-08-11 05:22:36 | rank 79 | crawled 2026-08-11 01:39:05 | v1
983fd63776383a4a6fddcfe0e615da9fc54679b0f1a364d5ff3fcc62399f9da8
2026-08-11 01:38:45 | rank 79 | crawled 2026-08-10 23:31:23 | v1
8075131d0bd34f6bb40df4e6bc978b3bb3a4ca0a2710d70eaabebe7384b489cf
2026-05-10 07:01:28 | rank 75 | crawled 2026-05-09 09:17:06 | v1
fd3ee6969ecd0309f9fe86ac05ef78d3f985e1f8506712a16538c649d95761d5
2026-05-05 12:59:50 | rank 75 | crawled 2026-05-05 03:44:06 | v1
1a2c58c5670f077b380f455f1829a66a5c4ed049c1ce43d60c5146b7c76cdaf9
2026-05-04 20:00:54 | rank 75 | crawled 2026-05-04 15:08:10 | v1
875031fa727f1ac43d3fc7977a454a5d747bb7e46b6fb4d9ecb98a9994246b1a
2026-05-03 06:56:13 | rank 75 | crawled 2026-05-03 03:08:30 | v1
4d4f217240f71a99611605755f4e2f407d0ff817d1ce5dae987d8b666de2527c
2026-04-27 20:00:29 | rank 75 | crawled 2026-04-27 15:08:04 | v1
0d964431101d066e6bf2a2544b48479b94a16d10a0707d6232fc0bfd033b2aa4
2026-04-26 06:58:48 | rank 75 | crawled 2026-04-26 03:06:11 | v1
7ab3be1651d28d7ab10b49fc917ac113633192c02583256b95c48fa68ea0446b
2026-04-20 19:59:00 | rank 75 | crawled 2026-04-20 15:04:05 | v1
6e373352d349ffc5b82876f57ec44f8ffbd19d8e5a5f747b1b3ecf2e6be620d7
Trust Favicon Not Available
This record is policy blocked and is shown for transparency only. GoGuides does not publish a positive trust favicon for this domain while this decision is active.
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