16
records
IPv4 Addresses
TTL
classroomshare.com. 300 IN A 104.26.10.152 classroomshare.com. 300 IN A 104.26.11.152 classroomshare.com. 300 IN A 172.67.73.72
IPv6 Addresses
TTL
classroomshare.com. 300 IN AAAA 2606:4700:20:0:0:0:681A:A98 classroomshare.com. 300 IN AAAA 2606:4700:20:0:0:0:681A:B98 classroomshare.com. 300 IN AAAA 2606:4700:20:0:0:0:AC43:4948
Name Servers
TTL
classroomshare.com. 1200 IN NS anirban.ns.cloudflare.com. classroomshare.com. 1200 IN NS carrera.ns.cloudflare.com.
Mail Servers
TTL
5m
classroomshare.com. 300 IN MX 1 smtp.google.com.
SOA Details
TTL
20m
SOA
Responsible
dns.cloudflare.com
SOA
Serial
2402699764
SOA
Times
Refresh
2h
Retry
40m
Expire
7d
Minimum TTL
30m
classroomshare.com. 1200 IN SOA anirban.ns.cloudflare.com. dns.cloudflare.com. 2402699764 10000 2400 604800 1800
Certificate Authority Authorization
TTL
No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.
DMARC
TTL
DMARC
Policy
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
none
quarantine
reject
5m
DMARC
Subdomain Policy
Subdomain policy (sp): when set, it applies to hostnames below this domain instead of p; if omitted, subdomains inherit the organizational policy.
none
quarantine
reject
DMARC
Percentage
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100
DMARC
RUA
mailto:[email protected]
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
DMARC
RUF
mailto:[email protected]
Forensic (per-failure) reports. Often omitted for privacy or volume.
classroomshare.com. 300 IN DMARC v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; sp=none; adkim=s; aspf=s
DKIM
TTL
DKIM
Selector
google
v=DKIM1
k=rsa
5m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzwdst2JP6/3L...
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzwdst2JP6/3Lfg72Ps44d7UhBNpTJim8rPt5OznId3Mq7qsfEN8cqyZQlQK6qvf0V68PEh8S8BOFCYIOMCOVGpNu2AXwsIMrOQtKyUDZH4dZH5rUmUzZcUWNegXXLFv4nPkpiACScKpp0pfLw7sGhe1SIsrKdWYmexC8Pbeem1MI46KbTCxcWyXZZLStSwztfOkG/h6WYgYbsjU2sQta0JDyyVaGGnTmQWRTB+zFqIVWg4oaEKXF4FtyAejh0M9waHGtdQVmnTTkSMluRW47JyFuSjItItxqDxNRpUjVihxvCgk+oTdwvYymDLEWKruMC69XgT/j8wilCMzwfDJcqQIDAQAB
DKIM
Selector
zendesk1
v=DKIM1
k=rsa
4m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9IqdLrO3Zr2/...
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9IqdLrO3Zr2/56MHt8oQVCQorP0Bl2Fz9sM2tFBnJCdB/HogQmuudEg2xAovCN2PYpw44UijIvPuBoT9vxiv6ZCBJTLJXa82r6ke5rE4tbe9NKFIrVIb9S306cJDrnKFMDb8p0dU/Su0+eUR5gVAOtCuz2L8HAzs5edvsEvD/Fb4ny1RLNSEPZkIQLfGhVxQeWANm3+1Jwb/OBVXV9k0nKpWrpgqcmO7NzroJirp014RQY7rGi60JLUubc6XhvoFQBQrtOAdVlZC5wvfS1bgpq5kQpdP7cajIqWCeqxPTeo0ZUpey2ZcaygEsZz0Z3Gs5wDzyuqd7/ADpr2jNF7ozwIDAQAB
DKIM
Selector
zendesk2
v=DKIM1
k=rsa
4m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmiSFNkgXrO3I...
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmiSFNkgXrO3I8aOaPONDZWHv027rkiGIwb838OyXPgvFDEkCV/qGcdXSjZnaVAadrTm/oKnL8WOltP9zB1FLEuKt0fTi5zRyKPE4oIYCnEzXwrGqzjUcCABQBawQVqvXjDOaYh9Lhp8W5PYOLo905vRW7ipyIMDhuzBOJls91/WWXnNK0OwP3RghiisZjA3K2KqtRwf7w6GjNeNuAMNhvcmgAN15d/mhK+dev/hcRbal66RoYyTD8c0F0isahWH0envEX8aj+SBhheNk0/U37dGE+4nFaY5yP9CUlYjFKDSIKZgHzG4Hci3t/RubU58pi6BCrQQdAFvIOeDFeCZ0ywIDAQAB
classroomshare.com. 300 IN DKIM v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzwdst2JP6/3Lfg72Ps44d7UhBNpTJim8rPt5OznId3Mq7qsfEN8cqyZQlQK6qvf0V68PEh8S8BOFCYIOMCOVGpNu2AXwsIMrOQtKyUDZH4dZH5rUmUzZcUWNegXXLFv4nPkpiACScKpp0pfLw7sGhe1SIsrKdWYmexC8Pbeem1MI46KbTCxcWyXZZLStSwztfOkG/h6WYgYbsjU2sQta0JDyyVaGGnTmQWRTB+zFqIVWg4oaEKXF4FtyAejh0M9waHGtdQVmnTTkSMluRW47JyFuSjItItxqDxNRpUjVihxvCgk+oTdwvYymDLEWKruMC69XgT/j8wilCMzwfDJcqQIDAQAB classroomshare.com. 260 IN DKIM v=DKIM1;t=s;n=core;k=rsa;p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9IqdLrO3Zr2/56MHt8oQVCQorP0Bl2Fz9sM2tFBnJCdB/HogQmuudEg2xAovCN2PYpw44UijIvPuBoT9vxiv6ZCBJTLJXa82r6ke5rE4tbe9NKFIrVIb9S306cJDrnKFMDb8p0dU/Su0+eUR5gVAOtCuz2L8HAzs5edvsEvD/Fb4ny1RLNSEPZkIQLfGhVxQeWANm3+1Jwb/OBVXV9k0nKpWrpgqcmO7NzroJirp014RQY7rGi60JLUubc6XhvoFQBQrtOAdVlZC5wvfS1bgpq5kQpdP7cajIqWCeqxPTeo0ZUpey2ZcaygEsZz0Z3Gs5wDzyuqd7/ADpr2jNF7ozwIDAQAB classroomshare.com. 260 IN DKIM v=DKIM1; t=s; n=core; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmiSFNkgXrO3I8aOaPONDZWHv027rkiGIwb838OyXPgvFDEkCV/qGcdXSjZnaVAadrTm/oKnL8WOltP9zB1FLEuKt0fTi5zRyKPE4oIYCnEzXwrGqzjUcCABQBawQVqvXjDOaYh9Lhp8W5PYOLo905vRW7ipyIMDhuzBOJls91/WWXnNK0OwP3RghiisZjA3K2KqtRwf7w6GjNeNuAMNhvcmgAN15d/mhK+dev/hcRbal66RoYyTD8c0F0isahWH0envEX8aj+SBhheNk0/U37dGE+4nFaY5yP9CUlYjFKDSIKZgHzG4Hci3t/RubU58pi6BCrQQdAFvIOeDFeCZ0ywIDAQAB
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| + Pass | include |
|
||
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
5m
classroomshare.com. 300 IN TXT "v=spf1 include:_spf.google.com include:mail.zendesk.com include:_spf.smtp.mailtrap.live ~all"
MTA-STS
TTL
This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).
Text Content
TTL
google-site-verification=_F_H8pZwbAVuAay168o2kVBYlwl64P1NxTHOTxcopwY
5m
classroomshare.com. 300 IN TXT "google-site-verification=_F_H8pZwbAVuAay168o2kVBYlwl64P1NxTHOTxcopwY"