39
records
Name Servers
TTL
20m
20m
20m
customer.io. 1200 IN NS ns-1181.awsdns-19.org. customer.io. 1200 IN NS ns-1893.awsdns-44.co.uk. customer.io. 1200 IN NS ns-499.awsdns-62.com. customer.io. 1200 IN NS ns-618.awsdns-13.net.
Mail Servers
TTL
1m
1m
1m
1m
1m
customer.io. 60 IN MX 1 aspmx.l.google.com. customer.io. 60 IN MX 5 alt1.aspmx.l.google.com. customer.io. 60 IN MX 5 alt2.aspmx.l.google.com. customer.io. 60 IN MX 10 aspmx2.googlemail.com. customer.io. 60 IN MX 10 aspmx3.googlemail.com.
SOA Details
TTL
15m
SOA
Responsible
awsdns-hostmaster.amazon.com
SOA
Serial
1
SOA
Times
Refresh
2h
Retry
15m
Expire
14d
Minimum TTL
1d
customer.io. 900 IN SOA ns-1181.awsdns-19.org. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
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]
mailto:[email protected]
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
DMARC
RUF
Forensic (per-failure) reports. Often omitted for privacy or volume.
No forensic report URIs (RUF).
customer.io. 300 IN DMARC v=DMARC1; p=quarantine; sp=quarantine; rua=mailto:[email protected],mailto:[email protected]; aspf=r; pct=100
DKIM
TTL
DKIM
Selector
google
v=DKIM1
k=rsa
5m
Public Key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQChRhpy9tYkRWBMSxPl...
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQChRhpy9tYkRWBMSxPlG6LYQv9XU8VMfPOCf7tOp/dvaC+kDOSyooASorT/INzzYstYfyvSs9W51eHf1+Dgvzz4ubMBc6e/HgLPRxZ+PP0cAZEyOia8MacT+brzzWX2OweSkX89e36Gma2jQFvszI+V40cQC6jS3qjPOV/TAndGwQIDAQAB
DKIM
Selector
mandrill
v=DKIM1
k=rsa
5m
Public Key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J...
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB
customer.io. 300 IN DKIM v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQChRhpy9tYkRWBMSxPlG6LYQv9XU8VMfPOCf7tOp/dvaC+kDOSyooASorT/INzzYstYfyvSs9W51eHf1+Dgvzz4ubMBc6e/HgLPRxZ+PP0cAZEyOia8MacT+brzzWX2OweSkX89e36Gma2jQFvszI+V40cQC6jS3qjPOV/TAndGwQIDAQAB customer.io. 300 IN DKIM v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCrLHiExVd55zd/IQ/J/mRwSRMAocV/hMB3jXwaHH36d9NaVynQFYV8NaWi69c1veUtRzGt7yAioXqLj7Z4TeEUoOLgrKsn8YnckGs9i3B3tVFB+Ch/4mPhXWiNfNdynHWBcPcbJ8kjEQ2U8y78dHZj1YeRXXVvWob2OaKynO8/lQIDAQAB;
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| + Pass | include |
|
||
| + Pass | include |
|
||
| + Pass | include |
|
||
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
1m
customer.io. 60 IN TXT "v=spf1 include:helpscoutemail.com include:_spf.google.com include:servers.mcsv.net include:amazonses.com include:mail.zendesk.com ~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
1password-site-verification=NKRDO4YCMBDD7KNUO4PN6RZCA4
1m
MS=ms56053829
1m
OSSRH-70026
1m
airtable-verification=a839ac25097d07e90b6725421494b506
1m
anthropic-domain-verification-h4s30h=RXWAAyC4VDThCnWjaprWPkUET
1m
asv=8738dd37f3c5a1368cba93d24b4a1e17
1m
cursor-domain-verification-m2k2b5=XfoK2FPHAUqoNHiCpHtqY2fXP
1m
docusign=48e7526a-7539-4ad0-b672-7a94c3a20c29
1m
facebook-domain-verification=62g2j16g5qkvf38ekdrtxiez0bsqei
1m
google-site-verification=HbwteWh_QF6HnNCDLL_1X_GRwURBkYEdFAVM00rxf_k
1m
google-site-verification=gsxlVNPtm1JCawWVNMCOVuWLK9lhzdr4Dofz-V-lovo
1m
have-i-been-pwned-verification=a9d6f2edb8654dcfe04e310cdc9a000a
1m
hubspot-developer-verification=NDkzOTIwZWMtMDVkNS00YTAzLThlMDQtZDJmYzVjNzc5Zjgw
1m
jetbrains-domain-verification=rdxczp2suguw502vrx4cqksy
1m
linear-domain-verification=wetdfvhymmbh
1m
loom-site-verification=4dac5f34468e49a299444383229599d5
1m
miro-verification=89a8ecb5df4f4febc758723fcfabd5af59041414
1m
mixpanel-domain-verify=d5c389d5-df00-473a-8263-3932c19beecb
1m
notion-domain-verification=DHmczCmyAqc8TGp6DPbfWBxLb9lSgvPv7wSOiiJfAJK
1m
openai-domain-verification=dv-icOHzM0IplqgpTNoO3nJaRCX
1m
ps-cd-verification=6d210b55-ec4b-4105-a1d7-7a73c78619fd
1m
sinch-domain-verification=77675a95-7309-44bf-9483-5f9020edc778
1m
slack-domain-verification=XRnWU545ZVlzHN85aeTWX7xzunEJk8Ouav9KjN7Q
1m
zapier-domain-verification-challenge=3373ff99-18e1-4a49-8e81-67d830eb392b
1m
customer.io. 60 IN TXT "1password-site-verification=NKRDO4YCMBDD7KNUO4PN6RZCA4" customer.io. 60 IN TXT "MS=ms56053829" customer.io. 60 IN TXT "OSSRH-70026" customer.io. 60 IN TXT "airtable-verification=a839ac25097d07e90b6725421494b506" customer.io. 60 IN TXT "anthropic-domain-verification-h4s30h=RXWAAyC4VDThCnWjaprWPkUET" customer.io. 60 IN TXT "asv=8738dd37f3c5a1368cba93d24b4a1e17" customer.io. 60 IN TXT "cursor-domain-verification-m2k2b5=XfoK2FPHAUqoNHiCpHtqY2fXP" customer.io. 60 IN TXT "docusign=48e7526a-7539-4ad0-b672-7a94c3a20c29" customer.io. 60 IN TXT "facebook-domain-verification=62g2j16g5qkvf38ekdrtxiez0bsqei" customer.io. 60 IN TXT "google-site-verification=HbwteWh_QF6HnNCDLL_1X_GRwURBkYEdFAVM00rxf_k" customer.io. 60 IN TXT "google-site-verification=gsxlVNPtm1JCawWVNMCOVuWLK9lhzdr4Dofz-V-lovo" customer.io. 60 IN TXT "have-i-been-pwned-verification=a9d6f2edb8654dcfe04e310cdc9a000a" customer.io. 60 IN TXT "hubspot-developer-verification=NDkzOTIwZWMtMDVkNS00YTAzLThlMDQtZDJmYzVjNzc5Zjgw" customer.io. 60 IN TXT "jetbrains-domain-verification=rdxczp2suguw502vrx4cqksy" customer.io. 60 IN TXT "linear-domain-verification=wetdfvhymmbh" customer.io. 60 IN TXT "loom-site-verification=4dac5f34468e49a299444383229599d5" customer.io. 60 IN TXT "miro-verification=89a8ecb5df4f4febc758723fcfabd5af59041414" customer.io. 60 IN TXT "mixpanel-domain-verify=d5c389d5-df00-473a-8263-3932c19beecb" customer.io. 60 IN TXT "notion-domain-verification=DHmczCmyAqc8TGp6DPbfWBxLb9lSgvPv7wSOiiJfAJK" customer.io. 60 IN TXT "openai-domain-verification=dv-icOHzM0IplqgpTNoO3nJaRCX" customer.io. 60 IN TXT "ps-cd-verification=6d210b55-ec4b-4105-a1d7-7a73c78619fd" customer.io. 60 IN TXT "sinch-domain-verification=77675a95-7309-44bf-9483-5f9020edc778" customer.io. 60 IN TXT "slack-domain-verification=XRnWU545ZVlzHN85aeTWX7xzunEJk8Ouav9KjN7Q" customer.io. 60 IN TXT "zapier-domain-verification-challenge=3373ff99-18e1-4a49-8e81-67d830eb392b"