Noao.edu National Optical Astronomy Observatory
Server IP address resolved: NoHttp response code: None
Last Checked: 02/08/2023
Over the time noao.edu has been ranked as high as 18,329 in the world, while most of its traffic comes from China, where it reached as high as 38,392 position.
Noao.edu receives about 2,743 unique visitors and 5,212 pageviews per day. The estimated value of noao.edu is 94,900 USD. Each unique visitor makes about 1.9 pageviews on average.
Noao.edu is registered under .EDU top-level domain. Check other websites in .EDU zone.
At the time of the last check (March 06, 2019) noao.edu has an expired wildcard SSL certificate (expired on February 15, 2021).
According to Google Safe Browsing, Google Safe Search, Symantec and Web of Trust noao.edu is quite a safe domain.
Mobile-Friendly test indicates that noao.edu is well optimized for mobile and tablet devices.
Audience Geography. Where are noao.edu visitors located?
| Country | Rank |
|---|---|
 South Africa ZA | 18973 |
| Ethiopia ET | 21648 |
| China CN | 38392 |
| Saudi Arabia SA | 47869 |
| Philippines PH | 49906 |
| Egypt EG | 71246 |
| Nigeria NG | 71704 |
| United States US | 77929 |
| India IN | 81352 |
| Australia AU | 87015 |
| Pakistan PK | 107006 |
| Iran IR | 119927 |
| Country | Percent of Pageviews |
|---|---|
| United States US | 32.2% |
| China CN | 28.9% |
| South Africa ZA | 5.5% |
| India IN | 5.5% |
| Germany DE | 2.3% |
| Australia AU | 1.1% |
| Iran IR | 1% |
| Saudi Arabia SA | 0.8% |
| Egypt EG | 0.5% |
| Other | 22% |
| Country | Percent of Visitors |
|---|---|
| China CN | 26.5% |
| United States US | 23.1% |
| India IN | 7.8% |
| South Africa ZA | 3.4% |
| Germany DE | 3% |
| Australia AU | 1.7% |
| Iran IR | 1.6% |
| Saudi Arabia SA | 1.2% |
| Egypt EG | 0.8% |
| Other | 30.7% |
Where do visitors go on noao.edu?
| Subdomain | Pageviews |
|---|---|
| noao.edu | 75.1% |
| iraf.noao.edu | 14.88% |
| ctio.noao.edu | 3.61% |
| kpno.noao.edu | 3.16% |
| other | 3.25% |
| Subdomain | Pageviews per User |
|---|---|
| iraf.noao.edu | 2 |
| noao.edu | 1.4 |
| kpno.noao.edu | 1 |
| ctio.noao.edu | 1 |
| Subdomain | Reach |
|---|---|
| noao.edu | 82.19% |
| iraf.noao.edu | 13.23% |
| kpno.noao.edu | 4.37% |
| ctio.noao.edu | 4.11% |
How popular is noao.edu?
| Days | Reach Rank | Reach Rank Delta | Reach per Million | Reach per Million Delta |
|---|---|---|---|---|
| 90 | 122386 | -22930 | 54 | 20% |
| 30 | 116097 | -15584 | 58 | 20% |
| 7 | 89797 | -38643 | 8 | 50% |
| 1 | 67985 | 30118 | 10 | -47.18% |
| Days | Pageviews Rank | Pageviews Rank Delta | Pageviews per Million | Pageviews per Million Delta | Pageviews per User | Pageviews per User Delta |
|---|---|---|---|---|---|---|
| 90 | 173181 | -68326 | 27 | 56% | 1.9 | 20% |
| 30 | 194226 | 8149 | 24 | -3.17% | 1.5 | -18.62% |
| 7 | 150915 | -107299 | 34 | 100% | 2 | 30% |
| 1 | 175981 | 128389 | 3 | -79.099% | 1 | -60.474% |
| Period | Global Rank | Global Rank Delta |
|---|---|---|
| past 3 months | 130851 | -34202 |
| past month | 131470 | -8644 |
| past week | 101308 | -53392 |
| yesterday | 95005 | 57316 |
Alexa Rank shows how popular noao.edu is in comparison with other sites. The most popular site has Alexa Rank equals 1. If noao.edu has Alexa Rank equals 100,000, then it is in TOP 100,000 popular sites in the world. The rank is calculated using a combination of average daily visitors to noao.edu and pageviews on noao.edu over the past 3 months.
We gather website safety and reputation data and compare it with available third-party sources so we calculate own safety and trustworthiness rate based on information that we get.
Norton ConnectSafe evaluates noao.edu for any unsafe and insecure content. The results are critical for families with young children.
SafeSearch is used as a parental control tool to filter out any inappropriate for your children search results on your devices: phones, tablets or personal computers.
"noao.edu" is not a phishing page.
"noao.edu" does not install unwanted software.
"noao.edu" does not contain harmfull applications.
Google Safe Browsing notifies when websites are compromised by malicious actors. These protections work across Google products and provide a safer online experience.
McAfee assesses noao.edu for a meaningful set of security threats. Featured dangers from annoying pop-ups to hidden Trojans, that can steal your identity, will be revealed. McAfee does not analyze noao.edu for mature or inappropriate content, only security checks are evaluated.
The WOT calculates reputation of the noao.edu. This reputation system receives ratings from users and information from third-party sources, assesses the noao.edu for safety features and confirms, whether noao.edu is suitable for children.
| Domain | *.noao.edu |
| Issuer | COMODO RSA Domain Validation Secure Server CA |
| Algorithm | RSA-SHA256 |
| Valid form | 02/16/2018 |
| Expiration | 02/15/2021 |
| Signed | Certificate is not self signed |
| Additional Domains | *.noao.edu noao.edu |
ASN ID: 62600
ASN Title: ABOR-SUN-CORRIDOR - Arizona Board of Regents, US
Last Update: 06/10/2021
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
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ASNumber: 62600
ASName: ABOR-SUN-CORRIDOR
ASHandle: AS62600
RegDate: 2013-07-18
Updated: 2013-07-18
Ref: https://rdap.arin.net/registry/autnum/62600
OrgName: Arizona Board of Regents
OrgId: ABR-13
Address: 2020 N Central Ave
Address: Suite 230
City: Phoenix
StateProv: AZ
PostalCode: 85004-4593
Country: US
RegDate: 2013-04-26
Updated: 2017-01-28
Ref: https://rdap.arin.net/registry/entity/ABR-13
OrgTechHandle: CD503-ARIN
OrgTechName: De Young, Chris
OrgTechPhone: +1-520-626-3213
OrgTechEmail: chd@arizona.edu
OrgTechRef: https://rdap.arin.net/registry/entity/CD503-ARIN
OrgAbuseHandle: CD503-ARIN
OrgAbuseName: De Young, Chris
OrgAbusePhone: +1-520-626-3213
OrgAbuseEmail: chd@arizona.edu
OrgAbuseRef: https://rdap.arin.net/registry/entity/CD503-ARIN
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# Copyright 1997-2018, American Registry for Internet Numbers, Ltd.
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-------------------------------------------------------------
Domain Name: NOAO.EDU
Registrant:
NSF’s National Optical-Infrared Astronomy Research Laboratory
P.O. Box 26732
Tucson, AZ 85726
USA
Administrative Contact:
Christopher Morrison
NSF’s National Optical-Infrared Astronomy Research Laboratory
P.O. Box 26732
Tucson, AZ 85726
USA
+1.5203188228
cmorrison@aura-astronomy.org
Technical Contact:
Steven Grandi
NSF’s National Optical-Infrared Astronomy Research Laboratory
P.O. Box 26732
Tucson, AZ 85726
USA
+1.5203188228
grandi@noao.edu
Name Servers:
DNS-INT-1.NOAO.EDU
NS1.NSO.EDU
DNS-EXT-1.NOAO.EDU
Domain record activated: 03-Jun-1988
Domain record last updated: 12-May-2021
Domain expires: 31-Jul-2020
| Host | A Record | TTL |
|---|---|---|
| noao.edu | 140.252.1.28 | 10800 |
| Host | MX Record | Priority | TTL |
|---|---|---|---|
| noao.edu | barracuda-1.noao.edu | 0 | 10800 |
| Host | NS Record | TTL |
|---|---|---|
| noao.edu | dns-ext-1.noao.edu | 10800 |
| noao.edu | dns-int-1.noao.edu | 10800 |
| noao.edu | ns1.nso.edu | 10800 |
| Host | TXT Record | TTL |
|---|---|---|
| noao.edu | v=spf1 ip4:140.252.0.0/16 ip4:139.229.0.0/16 ip4:128.138.64.30/32 a ptr ~all | 10800 |
dns-ext-1.noao.edu
TTL: 10800
Email address: postmaster.noao.edu
Serial: 2019981900
Refresh: 3600
Retry: 1800
Expire: 1209600
Minimum: 3600
Last tested: 06/02/2017
| Total Resources | 37 |
| Number of Hosts | 8 |
| Static Resources | 28 |
| JavaScript Resources | 7 |
| CSS Resources | 4 |
Last tested: 01/21/2018
| Total Resources | 37 |
| Number of Hosts | 8 |
| Static Resources | 28 |
| JavaScript Resources | 7 |
| CSS Resources | 4 |
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