20
records
IPv4 Addresses
TTL
opensource.salesforce.com. 8 IN A 185.199.108.153 opensource.salesforce.com. 8 IN A 185.199.109.153 opensource.salesforce.com. 8 IN A 185.199.110.153 opensource.salesforce.com. 8 IN A 185.199.111.153
IPv6 Addresses
TTL
8s
8s
8s
8s
opensource.salesforce.com. 8 IN AAAA 2606:50C0:8000:0:0:0:0:153 opensource.salesforce.com. 8 IN AAAA 2606:50C0:8001:0:0:0:0:153 opensource.salesforce.com. 8 IN AAAA 2606:50C0:8002:0:0:0:0:153 opensource.salesforce.com. 8 IN AAAA 2606:50C0:8003:0:0:0:0:153
Name Servers
TTL
NS
—
8s
NS
—
8s
NS
—
8s
NS
—
8s
NS
—
8s
NS
—
8s
opensource.salesforce.com. 8 IN NS dns01.salesforce.com. opensource.salesforce.com. 8 IN NS dns02.salesforce.com. opensource.salesforce.com. 8 IN NS dns03.salesforce.com. opensource.salesforce.com. 8 IN NS dns04.salesforce.com. opensource.salesforce.com. 8 IN NS dns05.salesforce.com. opensource.salesforce.com. 8 IN NS dns06.salesforce.com.
Mail Servers
TTL
8s
8s
opensource.salesforce.com. 8 IN MX 10 mxb.mailgun.org. opensource.salesforce.com. 8 IN MX 10 mxa.mailgun.org.
SOA Details
TTL
8s
SOA
Responsible
hostmaster.salesforce.com
SOA
Serial
2018081116
SOA
Times
Refresh
30m
Retry
15m
Expire
30d
Minimum TTL
30m
opensource.salesforce.com. 8 IN SOA dns01.salesforce.com. hostmaster.salesforce.com. 2018081116 1800 900 2592000 1800
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
8s
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
mailto:[email protected]
Forensic (per-failure) reports. Often omitted for privacy or volume.
opensource.salesforce.com. 8 IN DMARC v=DMARC1;p=none;fo=1:d:s;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected]
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| ~ Softfail | all |
—
|
|
8s
opensource.salesforce.com. 8 IN TXT "v=spf1 include:mailgun.org ~all"
