12
records
IPv4 Addresses
TTL
5m
5m
informatics.edu.hk. 300 IN A 104.21.21.200 informatics.edu.hk. 300 IN A 172.67.200.22
IPv6 Addresses
TTL
informatics.edu.hk. 282 IN AAAA 2606:4700:130:436C:6F75:6466:6C61:7265
Name Servers
TTL
NS
Cloudflare DNS
1d
NS
Cloudflare DNS
1d
informatics.edu.hk. 86400 IN NS katelyn.ns.cloudflare.com. informatics.edu.hk. 86400 IN NS keanu.ns.cloudflare.com.
Mail Servers
TTL
MX
Microsoft 365
0
4h
informatics.edu.hk. 14400 IN MX 0 informatics-edu-hk.mail.protection.outlook.com.
SOA Details
TTL
SOA
Primary NS
Responsible
dns.cloudflare.com
0m
Serial
2388244156
0m
Times
Refresh
2h
Retry
40m
Expire
7d
Minimum TTL
30m
informatics.edu.hk. 1800 IN SOA katelyn.ns.cloudflare.com. dns.cloudflare.com. 2388244156 10000 2400 604800 1800
DMARC
TTL
DMARC
Policy
quarantine
4h
Subdomain Policy
Percentage
100
0m
RUF
informatics.edu.hk. 14400 IN DMARC v=DMARC1; p=quarantine; rua=mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
Text Content
TTL
TXT
SPF
v=spf1 include:spf.protection.outlook.com -all
4h
TXT
Microsoft
MS=ms85781488
4h
informatics.edu.hk. 14400 IN TXT "v=spf1 include:spf.protection.outlook.com -all" informatics.edu.hk. 14400 IN TXT "MS=ms85781488"