spf-checker.com valuation and analysis
Robots.txt Information
| Robot | Path | Permission |
| GoogleBot | / | ✔ |
| BingBot | / | ✔ |
| BaiduSpider | / | ✔ |
| YandexBot | / | ✔ |
Meta Tags
| Title | SPF Vulnerability |
| Description | SPF Referral Vulnerability Home Contact SPF Referral Vulnerability Checker SPF Referral Vulnerability Sender Policy Framework (SPF) is an extension to the original SMTP protocol tha |
| Keywords | N/A |
Server Information
| WebSite | |
| Host IP | 140.82.60.22 |
| Location | United States |
Related Websites
| Site | Rank |
More to Explore
spf-checker.com Valuation
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US$1,274
Last updated: 2022-12-21 03:20:31
spf-checker.com has Semrush global rank of 0. spf-checker.com has an estimated worth of US$ 1,274, based on its estimated Ads revenue. spf-checker.com receives approximately 147 unique visitors each day. Its web server is located in United States, with IP address 140.82.60.22. According to SiteAdvisor, spf-checker.com is safe to visit. |
Traffic & Worth Estimates
| Purchase/Sale Value | US$1,274 |
| Daily Ads Revenue | US$1 |
| Monthly Ads Revenue | US$35 |
| Yearly Ads Revenue | US$423 |
| Daily Unique Visitors | 9 |
| Note: All traffic and earnings values are estimates. | |
DNS Records
| Host | Type | TTL | Data |
| spf-checker.com. | A | 59 | IP: 140.82.60.22 |
| spf-checker.com. | NS | 60 | NS Record: ns2.spf-checker.com. |
| spf-checker.com. | NS | 60 | NS Record: ns1.spf-checker.com. |
HtmlToTextCheckTime:2022-12-21 03:20:31
| Home Contact SPF Referral Vulnerability Checker SPF Referral Vulnerability Sender Policy Framework (SPF) is an extension to the original SMTP protocol that was developed to support email sender validation. Here, the sender via different mechanism and modifiers can specify the IP address(es) that he or she is allowed to send mail from and the recipient can then check the DNS record and check whether the client IP is in that allowable list of IP address(es). Rather than directly specifying IP address(es), sender can also include a referral to another domain which means the receiver will have to look up the SPF record for the referred domain. Now, imagine getting an email from attack.com . The attacker can set an infinite number of SPF referrals via include mechanism as its SPF record and try to launch a DoS attack either on your server by blocking your mail queue while keeping your mail server busy with a lot of SPF processing or on another server by using your mail server as a |
spf-checker.com Whois Information
Domain Name: SPF-CHECKER.COM Registry Domain ID: 2724163341_DOMAIN_COM-VRSN Registrar WHOIS Server: whois.registrar.amazon.com Registrar URL: http://registrar.amazon.com Updated Date: 2022-09-09T14:05:46Z Creation Date: 2022-09-09T13:20:45Z Registry Expiry Date: 2023-09-09T13:20:45Z Registrar: Amazon Registrar, Inc. Registrar IANA ID: 468 Registrar Abuse Contact Email: abuse@amazonaws.com Registrar Abuse Contact Phone: +1.2067406200 Domain Status: ok https://icann.org/epp#ok Name Server: NS1.SPF-CHECKER.COM Name Server: NS2.SPF-CHECKER.COM DNSSEC: unsigned >>> Last update of whois database: 2022-09-25T08:28:19Z <<< |