greylock.com
Greylock Partners

 Greylock Partners is a leading venture capital firm based in Silicon Valley. We are early partners of remarkable teams building companies that matter.

Technical Rating

 XSS attack - not protected. HTTP header "X-XSS-Protection" not found

 User Interface redress attack - not protected. HTTP header "X-Frame-Options" not found

 HTTP request response - 200

 HTTPS request response - 200

 Redirect from HTTP to HTTPS

iHTTP redirect: https://greylock.com/

!Server response time 2,815 sec

 HTML load time 1,539 sec

iHTML length: 61397

 A link to a favicon is specified

iNumber of IMGs: 28

 The ALT attribute is set for all IMGs

 Adapted for mobile devices. It uses the VIEWPORT tag

!W3C Validation. Number of HTML errors: 20

 W3C Validation. Number of HTML warnings: 39

 Uses robots.txt

!Doesn't use a sitemap

 DNS MX record is available. Anti-spam DMARC and ADSP records are available

Exact physical location of Greylock.com

iUS Seattle Amazon Web Services, Inc.

Technical Information

iServer: nginx/1.18.0 (Ubuntu)

iGreylock.com created 30 year(s) 8 month(s) 5 day(s) ago (1994-02-21)

iRegistration period ends in (2023-02-22)

iGreylock.com is registered in the MARKMONITOR, INC.

iGreylock.com registered to Greylock

iСontacts: Select Request Email Form at https://domains.markmonitor.com/whois/greylock.com

iNameservers: ha4.markmonitor.zone,   ha2.markmonitor.zone,   ha1.markmonitor.zone,   ha3.markmonitor.zone

iIPv4: 44.224.211.240,   44.224.118.103

iDNS TXT Records: "apple-domain-verification=YOxBdbTu98aGJgKR"
"docusign=0eee69a7-e0c8-4f2e-a371-1b161973cd0c"
"v=spf1 include:_netblocks.mimecast.com include:_spf.google.com ~all"
"google-site-verification=-jytkeyd2bnnrUL2lynZoTZUR76DIFxaUTBaje0YphU"
"greylock.com: xyl52tfX/mMkDLA/xj12Asdaw/3PCArsKe83IedFnt5dEgbvhzBWGXW9BH/MCk3+mrz6Li99xGNGKDKTZlvRIg=="

iDNS Mail Records: 5 us-smtp-inbound-1.mimecast.com.,   10 us-smtp-inbound-2.mimecast.com.

iDMARC Mail Anti Spam Records: 44.224.118.103,   44.224.211.240

iAuthor Domain Signing Practices Mail Records: 44.224.211.240,   44.224.118.103

iRaw Whois Information

[Querying whois.verisign-grs.com]
[Redirected to whois.markmonitor.com]
[Querying whois.markmonitor.com]
[whois.markmonitor.com]
Domain Name: greylock.com
Registry Domain ID: 142402_DOMAIN_COM-VRSN
Registrar WHOIS Server: whois.markmonitor.com
Registrar URL: http://www.markmonitor.com
Updated Date: 2021-06-04T14:30:31+0000
Creation Date: 1994-02-21T05:00:00+0000
Registrar Registration Expiration Date: 2023-02-22T05:00:00+0000
Registrar: MarkMonitor, Inc.
Registrar IANA ID: 292
Registrar Abuse Contact Email: [email protected]
Registrar Abuse Contact Phone: +1.2083895770
Domain Status: clientUpdateProhibited (https://www.icann.org/epp#clientUpdateProhibited)
Domain Status: clientTransferProhibited (https://www.icann.org/epp#clientTransferProhibited)
Domain Status: clientDeleteProhibited (https://www.icann.org/epp#clientDeleteProhibited)
Domain Status: serverUpdateProhibited (https://www.icann.org/epp#serverUpdateProhibited)
Domain Status: serverTransferProhibited (https://www.icann.org/epp#serverTransferProhibited)
Domain Status: serverDeleteProhibited (https://www.icann.org/epp#serverDeleteProhibited)
Registrant Organization: Greylock
Registrant State/Province: CA
Registrant Country: US
Registrant Email: Select Request Email Form at https://domains.markmonitor.com/whois/greylock.com
Admin Organization: Greylock
Admin State/Province: CA
Admin Country: US
Admin Email: Select Request Email Form at https://domains.markmonitor.com/whois/greylock.com
Tech Organization: Greylock
Tech State/Province: CA
Tech Country: US
Tech Email: Select Request Email Form at https://domains.markmonitor.com/whois/greylock.com
Name Server: ha4.markmonitor.zone
Name Server: ha2.markmonitor.zone
Name Server: ha1.markmonitor.zone
Name Server: ha3.markmonitor.zone
DNSSEC: unsigned
URL of the ICANN WHOIS Data Problem Reporting System: http://wdprs.internic.net/
>>> Last update of WHOIS database: 2021-12-01T18:55:32+0000 <<<

For more information on WHOIS status codes, please visit:
  https://www.icann.org/resources/pages/epp-status-codes

If you wish to contact this domain’s Registrant, Administrative, or Technical
contact, and such email address is not visible above, you may do so via our web
form, pursuant to ICANN’s Temporary Specification. To verify that you are not a
robot, please enter your email address to receive a link to a page that
facilitates email communication with the relevant contact(s).

Web-based WHOIS:
  https://domains.markmonitor.com/whois

If you have a legitimate interest in viewing the non-public WHOIS details, send
your request and the reasons for your request to [email protected]
and specify the domain name in the subject line. We will review that request and
may ask for supporting documentation and explanation.

The data in MarkMonitor’s WHOIS database is provided for information purposes,
and to assist persons in obtaining information about or related to a domain
name’s registration record. While MarkMonitor believes the data to be accurate,
the data is provided "as is" with no guarantee or warranties regarding its
accuracy.

By submitting a WHOIS query, you agree that you will use this data only for
lawful purposes and that, under no circumstances will you use this data to:
  (1) allow, enable, or otherwise support the transmission by email, telephone,
or facsimile of mass, unsolicited, commercial advertising, or spam; or
  (2) enable high volume, automated, or electronic processes that send queries,
data, or email to MarkMonitor (or its systems) or the domain name contacts (or
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MarkMonitor reserves the right to modify these terms at any time.

By submitting this query, you agree to abide by this policy.

MarkMonitor Domain Management(TM)
Protecting companies and consumers in a digital world.

Visit MarkMonitor at https://www.markmonitor.com
Contact us at +1.8007459229
In Europe, at +44.02032062220

iRaw IPv4 Information 44.224.211.240

[Querying whois.arin.net]
[whois.arin.net]

#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2021, American Registry for Internet Numbers, Ltd.
#



# start

NetRange:       44.192.0.0 - 44.255.255.255
CIDR:           44.192.0.0/10
NetName:        AMAZO-4
NetHandle:      NET-44-192-0-0-1
Parent:         NET44 (NET-44-0-0-0-0)
NetType:        Direct Allocation
OriginAS:
Organization:   Amazon.com, Inc. (AMAZO-4)
RegDate:        2019-07-18
Updated:        2019-07-18
Ref:            https://rdap.arin.net/registry/ip/44.192.0.0



OrgName:        Amazon.com, Inc.
OrgId:          AMAZO-4
Address:        Amazon Web Services, Inc.
Address:        P.O. Box 81226
City:           Seattle
StateProv:      WA
PostalCode:     98108-1226
Country:        US
RegDate:        2005-09-29
Updated:        2021-09-30
Comment:        For details of this service please see
Comment:        http://ec2.amazonaws.com
Ref:            https://rdap.arin.net/registry/entity/AMAZO-4


OrgNOCHandle: AANO1-ARIN
OrgNOCName:   Amazon AWS Network Operations
OrgNOCPhone:  +1-206-266-4064
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/AANO1-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName:   Amazon EC2 Network Operations
OrgTechPhone:  +1-206-266-4064
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ANO24-ARIN

OrgAbuseHandle: AEA8-ARIN
OrgAbuseName:   Amazon EC2 Abuse
OrgAbusePhone:  +1-206-266-4064
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgRoutingHandle: IPROU3-ARIN
OrgRoutingName:   IP Routing
OrgRoutingPhone:  +1-206-266-4064
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/IPROU3-ARIN

OrgRoutingHandle: ARMP-ARIN
OrgRoutingName:   AWS RPKI Management POC
OrgRoutingPhone:  +1-206-266-4064
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ARMP-ARIN

# end


# start

NetRange:       44.224.0.0 - 44.255.255.255
CIDR:           44.224.0.0/11
NetName:        AMAZO-ZPDX
NetHandle:      NET-44-224-0-0-1
Parent:         AMAZO-4 (NET-44-192-0-0-1)
NetType:        Reallocated
OriginAS:
Organization:   Amazon.com, Inc. (AMAZO-47)
RegDate:        2019-08-01
Updated:        2019-08-01
Ref:            https://rdap.arin.net/registry/ip/44.224.0.0



OrgName:        Amazon.com, Inc.
OrgId:          AMAZO-47
Address:        EC2, EC2 1200 12th Ave South
City:           Seattle
StateProv:      WA
PostalCode:     98144
Country:        US
RegDate:        2011-05-10
Updated:        2021-07-22
Ref:            https://rdap.arin.net/registry/entity/AMAZO-47


OrgAbuseHandle: AEA8-ARIN
OrgAbuseName:   Amazon EC2 Abuse
OrgAbusePhone:  +1-206-266-4064
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AEA8-ARIN

OrgTechHandle: ANO24-ARIN
OrgTechName:   Amazon EC2 Network Operations
OrgTechPhone:  +1-206-266-4064
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/ANO24-ARIN

OrgNOCHandle: AANO1-ARIN
OrgNOCName:   Amazon AWS Network Operations
OrgNOCPhone:  +1-206-266-4064
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/AANO1-ARIN

OrgRoutingHandle: ARMP-ARIN
OrgRoutingName:   AWS RPKI Management POC
OrgRoutingPhone:  +1-206-266-4064
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/ARMP-ARIN

OrgRoutingHandle: IPROU3-ARIN
OrgRoutingName:   IP Routing
OrgRoutingPhone:  +1-206-266-4064
OrgRoutingEmail:  [email protected]
OrgRoutingRef:    https://rdap.arin.net/registry/entity/IPROU3-ARIN

# end



#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2021, American Registry for Internet Numbers, Ltd.
#

iRaw DNS Information

A: 44.224.211.240
A: 44.224.118.103

TXT: "apple-domain-verification=YOxBdbTu98aGJgKR"
TXT: "docusign=0eee69a7-e0c8-4f2e-a371-1b161973cd0c"
TXT: "v=spf1 include:_netblocks.mimecast.com include:_spf.google.com ~all"
TXT: "google-site-verification=-jytkeyd2bnnrUL2lynZoTZUR76DIFxaUTBaje0YphU"
TXT: "greylock.com: xyl52tfX/mMkDLA/xj12Asdaw/3PCArsKe83IedFnt5dEgbvhzBWGXW9BH/MCk3+mrz6Li99xGNGKDKTZlvRIg=="

MX: 5 us-smtp-inbound-1.mimecast.com.
MX: 10 us-smtp-inbound-2.mimecast.com.

DMARC: 44.224.118.103
DMARC: 44.224.211.240

ADSP: 44.224.211.240
ADSP: 44.224.118.103