klassroom.co
Its Domain Power Rank is moderate.
- Global Rank
- #561,482
▲ 46,713
- Rank in TLD
- #4,314
▲ 281
- Referring Domains
- 40
▼ 6
- Avg. Referrer Power Rank
- 41.3
- Subdomains
- 6
- Domain age
- 11 yr 8 mo
Link Overview
- Avg. Referrer Power Rank
- 41.3
- Median Referrer Power Rank
- 39.7
- Referring Domains
- 40
- Linked Domains
- 115
Referring Domains by Power Rank
0–9 1
10–19 1
20–29 9
30–39 10
40–49 8
50–59 6
60–69 4
70–79 0
80–89 0
90–100 1
Total 40
Referring Domains
| Referring domain | Power Rank | Global Rank |
|---|---|---|
| google.com | 99.8 | #1 |
| edutopia.org | 67.6 | #5,081 |
| crisp.help | 63.4 | #9,654 |
| tech.eu | 61.7 | #13,000 |
| weareteachers.com | 60.1 | #17,227 |
| saashub.com | 58.4 | #23,357 |
| techlearning.com | 56.6 | #32,216 |
| holoniq.com | 56.4 | #32,948 |
| shift.com | 53.0 | #57,944 |
| bookwidgets.com | 51.5 | #75,214 |
Basic Information
- TLD
- .coColombia
- Registration date
- 21 Feb 2015
- Last updated
- 4 Apr 2026
- Expires
- 20 Feb 2027 (108 days remaining)
- Domain statuses
- clientTransferProhibited
- Registrar
- GANDI SAS
Subdomain
es.klassroom.cokedparis.klassroom.coru.klassroom.costatic.klassroom.coweb.klassroom.cowww.klassroom.co
DNS
| Type | Name | TTL | Value |
|---|---|---|---|
| A | klassroom.co | 600 | 77.87.108.241 |
| MX | klassroom.co | 3600 | 1 aspmx.l.google.com |
| MX | klassroom.co | 3600 | 5 alt1.aspmx.l.google.com |
| MX | klassroom.co | 3600 | 5 alt2.aspmx.l.google.com |
| MX | klassroom.co | 3600 | 10 alt3.aspmx.l.google.com |
| MX | klassroom.co | 3600 | 10 alt4.aspmx.l.google.com |
| NS | klassroom.co | 3600 | dns1.p02.nsone.net |
| NS | klassroom.co | 3600 | dns2.p02.nsone.net |
| NS | klassroom.co | 3600 | dns3.p02.nsone.net |
| NS | klassroom.co | 3600 | dns4.p02.nsone.net |
| SOA | klassroom.co | 3600 | dns1.p02.nsone.net. hostmaster.nsone.net. 1769438695 43200 7200 1209600 3600 |
| TXT | klassroom.co | 600 | google-site-verification=Dq4olL1JSBYtT5titBUzd_FuwfH4lB3W2xBIKROi8wQ |
| TXT | klassroom.co | 600 | google-site-verification=vAznazWY4bopZp7U28k6HC070EK7LFhLGBUeroEbOx8 |
| TXT | klassroom.co | 600 | google-site-verification=zs0N4qwCATffZ73T6w3GVIpSY_xMRYuHwsJzGtqANz8 |
| TXT | klassroom.co | 600 | v=spf1 +ip4:66.232.99.180 +ip4:77.87.108.245 +ip4:77.87.109.196 +ip4:77.87.109.197 +ip4:77.87.107.182 +include:mail.zendesk.com ?all |
Email Authentication
- MX
- Valid
- SPF
- Warning
This SPF policy uses +all or has no all mechanism. Check whether the sender restrictions are appropriate, and consider ~all or -all if needed.
- DMARC
- Warning
DMARC is set to p=quarantine, asking receiving servers to quarantine 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.