23
records
IPv4 Addresses
TTL
tk20.com. 300 IN A 34.198.24.3
Name Servers
TTL
20m
20m
20m
tk20.com. 1200 IN NS ns-105.awsdns-13.com. tk20.com. 1200 IN NS ns-1167.awsdns-17.org. tk20.com. 1200 IN NS ns-1899.awsdns-45.co.uk. tk20.com. 1200 IN NS ns-672.awsdns-20.net.
Mail Servers
TTL
5m
5m
5m
5m
5m
tk20.com. 300 IN MX 10 aspmx.l.google.com. tk20.com. 300 IN MX 20 alt1.aspmx.l.google.com. tk20.com. 300 IN MX 30 alt2.aspmx.l.google.com. tk20.com. 300 IN MX 40 aspmx2.googlemail.com. tk20.com. 300 IN MX 50 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
tk20.com. 900 IN SOA ns-672.awsdns-20.net. awsdns-hostmaster.amazon.com. 1 7200 900 1209600 86400
Certificate Authority Authorization
TTL
CAA
—
5m
5m
5m
5m
5m
5m
5m
5m
5m
tk20.com. 300 IN CAA 0 iodef "mailto:[email protected]" tk20.com. 300 IN CAA 0 issue "amazon.com" tk20.com. 300 IN CAA 0 issue "amazonaws.com" tk20.com. 300 IN CAA 0 issue "amazontrust.com" tk20.com. 300 IN CAA 0 issue "awstrust.com" tk20.com. 300 IN CAA 0 issuewild "amazon.com" tk20.com. 300 IN CAA 0 issuewild "amazonaws.com" tk20.com. 300 IN CAA 0 issuewild "amazontrust.com" tk20.com. 300 IN CAA 0 issuewild "awstrust.com"
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
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
Forensic (per-failure) reports. Often omitted for privacy or volume.
No forensic report URIs (RUF).
tk20.com. 300 IN DMARC v=DMARC1; p=quarantine; pct=100;rua=mailto:[email protected]
DKIM
TTL
DKIM
Selector
google
v=DKIM1
k=rsa
5m
Public Key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCUQQJfrS+v3Jwce6cD...
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCUQQJfrS+v3Jwce6cDzU/fS2z6CO5l6vGOhBMO3WNpiEeMtpmLAzXwWPJvC2UXSdX4sGZARSLl1OxlZEkpwsNk5GmuWcn18OqWaB3HPl/A1+ihkzFCogXRXYxKRHxbZeRxXm+XtbRzS+Z5czaUI6zAL1gJGbDWzMjD9uM5S9QLIwIDAQAB
tk20.com. 300 IN DKIM v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCUQQJfrS+v3Jwce6cDzU/fS2z6CO5l6vGOhBMO3WNpiEeMtpmLAzXwWPJvC2UXSdX4sGZARSLl1OxlZEkpwsNk5GmuWcn18OqWaB3HPl/A1+ihkzFCogXRXYxKRHxbZeRxXm+XtbRzS+Z5czaUI6zAL1gJGbDWzMjD9uM5S9QLIwIDAQAB
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| + Pass | include |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
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| + Pass | ip4 |
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| + Pass | ip4 |
|
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| + Pass | ip4 |
|
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| + Pass | ip4 |
|
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| + Pass | ip4 |
|
||
| ~ Softfail | all |
—
|
|
5m
tk20.com. 300 IN TXT "v=spf1 include:_spf.google.com include:mail.zendesk.com ip4:54.221.113.116 ip4:3.230.80.180 ip4:3.209.136.136 ip4:3.222.163.189 ip4:52.22.92.184 ip4:18.214.202.42 ip4:3.17.21.10 ~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).