7
records
Name Servers
TTL
19m
19m
taihangtop-tra.cn. 1199 IN NS ns1.alibabadns.com. taihangtop-tra.cn. 1199 IN NS ns2.alibabadns.com.
SOA Details
TTL
10m
SOA
Responsible
hostmaster.alibabadns.com
SOA
Serial
2025070915
SOA
Times
Refresh
1h
Retry
20m
Expire
1d
Minimum TTL
6m
taihangtop-tra.cn. 600 IN SOA ns1.alibabadns.com. hostmaster.alibabadns.com. 2025070915 3600 1200 86400 360
Certificate Authority Authorization
TTL
5m
taihangtop-tra.cn. 300 IN CAA 0 issue "globalsign.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
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
No aggregate report URIs (RUA).
DMARC
RUF
Forensic (per-failure) reports. Often omitted for privacy or volume.
No forensic report URIs (RUF).
taihangtop-tra.cn. 300 IN DMARC v=DMARC1; p=quarantine;
DKIM
TTL
No DKIM TXT with `v=DKIM1` was returned for the selector names we probe automatically.
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| - Fail | all |
—
|
|
5m
taihangtop-tra.cn. 300 IN TXT "v=spf1 -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).