sfbook.com
Its Domain Power Rank is moderate. This domain was registered at least 20 years ago. Links from multiple referring domains appear in the observed data.
- Global Rank
- #1,221,503
▼ 33,352
- Rank in TLD
- #505,057
▼ 12,261
- Referring Domains
- 178
▼ 1
- Avg. Referrer Power Rank
- 27.9
- Subdomains
- 3
- Domain age
- 27 yr 0 mo
Link Overview
- Avg. Referrer Power Rank
- 27.9
- Median Referrer Power Rank
- 23.8
- Referring Domains
- 178
- Linked Domains
- 74
Referring Domains by Power Rank
0–9 20
10–19 45
20–29 50
30–39 26
40–49 14
50–59 12
60–69 9
70–79 1
80–89 0
90–100 1
Total 178
Referring Domains
| Referring domain | Power Rank | Global Rank |
|---|---|---|
| wikipedia.org | 91.8 | #34 |
| hubpages.com | 70.6 | #2,998 |
| feedspot.com | 69.9 | #3,431 |
| liu.se | 69.8 | #3,522 |
| mentalfloss.com | 68.2 | #4,607 |
| sciencealert.com | 66.3 | #6,186 |
| sdsu.edu | 66.1 | #6,333 |
| mattcutts.com | 63.8 | #8,968 |
| pressbooks.pub | 63.8 | #9,013 |
| buttondown.com | 63.6 | #9,338 |
Basic Information
- TLD
- .com
- Registration date
- 26 Oct 1999
- Last updated
- 13 Oct 2026
- Expires
- 26 Oct 2027 (355 days remaining)
- Domain statuses
- clientTransferProhibited
- Registry
- VeriSign Global Registry Services
- Registrar
- Hosting Concepts B.V. d/b/a Registrar.eu
Subdomain
img.sfbook.comimg2.sfbook.comwww.sfbook.com
DNS
| Type | Name | TTL | Value |
|---|---|---|---|
| A | sfbook.com | 300 | 104.21.66.128 |
| A | sfbook.com | 300 | 172.67.204.16 |
| AAAA | sfbook.com | 300 | 2606:4700:3035::ac43:cc10 |
| AAAA | sfbook.com | 300 | 2606:4700:3036::6815:4280 |
| MX | sfbook.com | 300 | 10 mx.stackmail.com |
| NS | sfbook.com | 86400 | nelly.ns.cloudflare.com |
| NS | sfbook.com | 86400 | yichun.ns.cloudflare.com |
| SOA | sfbook.com | 1800 | nelly.ns.cloudflare.com. dns.cloudflare.com. 2418812325 10000 2400 604800 1800 |
| TXT | sfbook.com | 300 | v=spf1 include:_spf.google.com include:spf.stackmail.com a mx -all |
Email Authentication
- MX
- Valid
- SPF
- Valid
- DMARC
- Not configured
DMARC is not configured.
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.