LEXSRV2.NLM.NIH.GOV Website Review
An error occurred while visiting the website lexsrv2.nlm.nih.gov
We encountered errors when trying to access the following URL addresses of the website lexsrv2.nlm.nih.gov:
- HTTP 0 http://lexsrv2.nlm.nih.gov/
- HTTP 0 https://lexsrv2.nlm.nih.gov/
When an HTTP status code of 0 is encountered, it indicates that communication with the server via HTTP(s) cannot be established. If this pertains to your website, check if the site is online and if DNS resolution is correctly configured. Also, verify if the HTTPS certificate is valid if an SSL certificate is configured.
The content below showcases a portion of the historical analysis data cached by our server on Nov 29, 2020. Due to our bot's inability to access this website, the data may be incomplete or outdated, and is provided for your reference only.
Basic Information
Site Title:
Server:
Unknown
IP:
City:
Page Information
Title:
Unknown
Length: 0 character(s); Best length: 10 ~ 60 character(s)
Meta keywords:
Unknown
Length: 0 character(s); Best length: 10 ~ 255 character(s)
Meta description:
Unknown
Length: 0 character(s); Best length: 50 ~ 160 character(s)
H1 Tag:
Unknown
Length: 0 character(s)
Internal links:
0 (0 nofollow)
External links:
0 (0 nofollow)
Site Technology
Server:
Unknown
SSL Secure:
Available
robots.txt:
Unavailable
XML Sitemap:
Unavailable
Gzip Compress:
Unavailable
favicon.ico:
Unavailable
HTTP Header Analysis
HTTP header fields are components of the message header of requests and responses in the Hypertext Transfer Protocol (HTTP). They define the operating parameters of an HTTP transaction. The header fields are not directly displayed by normal web browsers like Internet Explorer, Google Chrome, Firefox etc. Below is the HTTP Header information of lexsrv2.nlm.nih.gov:
HTTP/1.1 200 OK
Date: Mon, 30 Nov 2020 07:41:52 GMT
Server: Apache
Strict-Transport-Security: max-age=31536000; includeSubDomains
Accept-Ranges: bytes
Content-Length: 127
Content-Type: text/html; charset=UTF-8
Date: Mon, 30 Nov 2020 07:41:52 GMT
Server: Apache
Strict-Transport-Security: max-age=31536000; includeSubDomains
Accept-Ranges: bytes
Content-Length: 127
Content-Type: text/html; charset=UTF-8
DNS Record Analysis
Domain Name Systes (DNS) translates easily memorized domain names to the numerical IP addresses needed for the purpose of locating computer services and devices worldwide. There are total 19 DNS record(s) of nih.gov.
Host | Type | IP/Target | TTL | Extra Infomation |
---|---|---|---|---|
nih.gov | A | 3600 | ||
nih.gov | MX | 3600 | pri: 10 | |
nih.gov | MX | 3600 | pri: 10 | |
nih.gov | MX | 3600 | pri: 10 | |
nih.gov | MX | 3600 | pri: 10 | |
nih.gov | MX | 3600 | pri: 10 | |
nih.gov | MX | 3600 | pri: 10 | |
nih.gov | MX | 3600 | pri: 10 | |
nih.gov | MX | 3600 | pri: 10 | |
nih.gov | MX | 3600 | pri: 10 | |
nih.gov | MX | 3600 | pri: 10 | |
nih.gov | MX | 3600 | pri: 10 | |
nih.gov | MX | 3600 | pri: 10 | |
nih.gov | NS | 3011 | ||
nih.gov | NS | 3011 | ||
nih.gov | NS | 3011 | ||
nih.gov | SOA | 3600 | expire: 2419200 serial: 6011 | |
nih.gov | TXT | v=spf1 ip4:128.231.90.64/26 ip4:165.112.13.0/26 ip6:2607:f220:0404:8104::0/64 ip6:2607:f220:402:1a01::0/64 ~all | 3600 | |
nih.gov | TXT | SDRQ4Pu3aj2Qhnqm0Pu+NCsKPrfBbW56qXduqE9GxA/f5eo+/Ui6umgbTg9PW0hjeg21Q2yCpOALWHqZ91OwZQ== | 3600 |