14
records
IPv4 Addresses
TTL
20m
20m
20m
20m
mail.futurelearn.com. 1200 IN A 91.192.43.151 mail.futurelearn.com. 1200 IN A 91.192.43.152 mail.futurelearn.com. 1200 IN A 91.192.43.153 mail.futurelearn.com. 1200 IN A 91.192.43.154
Name Servers
TTL
mail.futurelearn.com. 1200 IN NS ns1.ecircle.de. mail.futurelearn.com. 1200 IN NS ns2.ecircle.de. mail.futurelearn.com. 1200 IN NS ns3.ecircle.com.
Mail Servers
TTL
MX
—
10
20m
MX
—
10
20m
MX
—
10
20m
MX
—
10
20m
mail.futurelearn.com. 1200 IN MX 10 mx04.h.shortest-route.com. mail.futurelearn.com. 1200 IN MX 10 mx03.h.shortest-route.com. mail.futurelearn.com. 1200 IN MX 10 mx02.h.shortest-route.com. mail.futurelearn.com. 1200 IN MX 10 mx01.h.shortest-route.com.
SOA Details
TTL
20m
SOA
Responsible
hostmaster.ecircle.de
SOA
Serial
2024082000
SOA
Times
Refresh
3h
Retry
1h
Expire
28d
Minimum TTL
1d
mail.futurelearn.com. 1200 IN SOA ns1.ecircle.de. hostmaster.ecircle.de. 2024082000 10800 3600 2419200 86400
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
20m
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).
mail.futurelearn.com. 1200 IN DMARC v=DMARC1; p=none; rua=mailto:[email protected]
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| + Pass | ip4 |
|
||
| - Fail | all |
—
|
|
20m
mail.futurelearn.com. 1200 IN TXT "v=spf1 ip4:195.140.184.0/22 ip4:91.192.40.0/22 ip4:91.222.96.0/22 ip4:141.206.144.0/20 ip4:67.216.224.0/21 ip4:67.216.232.0/23 ip4:67.216.234.0/24 ip4:67.216.239.0/24 -all"