grandchallenges.org
Its Domain Power Rank is relatively high.
- Global Rank
- #61,302
▲ 550
- Rank in TLD
- #7,152
▲ 22
- Referring Domains
- 917
▲ 3
- Avg. Referrer Power Rank
- 40.6
- Subdomains
- 7
- Domain age
- 18 yr 9 mo
Link Overview
- Avg. Referrer Power Rank
- 40.6
- Median Referrer Power Rank
- 39.1
- Referring Domains
- 917
- Linked Domains
- 380
Referring Domains by Power Rank
0–9 42
10–19 114
20–29 177
30–39 132
40–49 140
50–59 119
60–69 100
70–79 72
80–89 18
90–100 3
Total 917
Referring Domains
| Referring domain | Power Rank | Global Rank |
|---|---|---|
| google.com | 99.8 | #1 |
| github.com | 93.6 | #19 |
| wikipedia.org | 91.8 | #34 |
| wix.com | 88.8 | #61 |
| weebly.com | 87.4 | #85 |
| nih.gov | 87.1 | #91 |
| outlook.com | 86.2 | #119 |
| columbia.edu | 85.2 | #151 |
| substack.com | 84.4 | #173 |
| harvard.edu | 83.6 | #218 |
Basic Information
- TLD
- .org
- Registration date
- 31 Jan 2008
- Last updated
- 14 May 2025
- Expires
- 31 Jan 2030 (1,184 days remaining)
- Domain statuses
- clientUpdateProhibited clientTransferProhibited clientDeleteProhibited
- Registry
- Public Interest Registry (PIR)
- Registrar
- Markmonitor Inc.
Subdomain
contentpreview-spoke.grandchallenges.orgdrupal.grandchallenges.orggcgh.grandchallenges.orgwww.gcgh.grandchallenges.orgrepository.grandchallenges.orgstage-drupal.grandchallenges.orgwww.grandchallenges.org
DNS
| Type | Name | TTL | Value |
|---|---|---|---|
| A | grandchallenges.org | 300 | 104.18.32.92 |
| A | grandchallenges.org | 300 | 172.64.155.164 |
| AAAA | grandchallenges.org | 300 | 2606:4700:4402::6812:205c |
| AAAA | grandchallenges.org | 300 | 2a06:98c1:310d::ac40:9ba4 |
| MX | grandchallenges.org | 300 | 100 grandchallenges-org.mail.protection.outlook.com |
| NS | grandchallenges.org | 86400 | romina.ns.cloudflare.com |
| NS | grandchallenges.org | 86400 | rustam.ns.cloudflare.com |
| SOA | grandchallenges.org | 1800 | romina.ns.cloudflare.com. dns.cloudflare.com. 2419105549 10000 2400 604800 1800 |
| TXT | grandchallenges.org | 300 | MS=ms58261703 |
| TXT | grandchallenges.org | 300 | v=spf1 exists:%{i}._i.%{d}._d.espf.agari.com include:%{d}.7c.spf-protect.agari.com ~all |
Email Authentication
- MX
- Valid
- SPF
- Warning
The SPF check could not be completed because of too many DNS references or macros.
- DMARC
- Valid
DMARC is set to p=reject, asking receiving servers to reject messages that fail authentication.
Some information is cached or comes from our own analysis, so it may not be current or complete. Our link analysis does not cover every link on the web. Metrics are based on our own methodology and should not be taken as definitive assessments of a domain’s or service’s quality or trustworthiness.