csdn.net
The domain csdn.net answers at IP address 124.70.25.132. Mail for csdn.net goes through 2 servers; the highest priority one is mxbiz1.qq.com. It also publishes 6 TXT records, used to verify domain ownership with external services and to configure mail security through SPF, DKIM and DMARC.
A A records
- 124.70.25.132 600s
MX MX records
- 5 mxbiz1.qq.com 600s
- 10 mxbiz2.qq.com 600s
NS NS records
- vip4.alidns.com 21600s
- vip3.alidns.com 21600s
TXT TXT records
- google-site-verification=z3-mDSu38Y05ctn4_y3tS7j62uO9F3clDutTjL-DPOY 60s
- aliyun-site-verification=019d4b53-d811-47df-8312-695fcef366f4 60s
- MS=31CFB7A983BC11C83514100AA1729972691EDAAF 60s
- openai-domain-verification=dv-jmgMCggpzFjVtj8DKaWKt4Xy 60s
- v=spf1 include:spf.mail.qq.com -all 60s
- google-site-verification=nn4nvxbYITKfb8-tv-QWw4H7PsjTM6LGvHDeUvrw0hA 60s
SOA SOA records
- vip3.alidns.com 600s
What each record means
- A and AAAA: the server IP address, in IPv4 and IPv6.
- MX: the servers that receive the domain mail. The number is the priority; the lowest is tried first.
- NS: the name servers, which have the final say over the domain DNS.
- TXT: free text. Mostly used for SPF, DKIM and DMARC, and to verify ownership with third parties.
- TTL: how many seconds the record may be cached before asking again.
Checked 3 hours ago.