Zone apex
Start of authority
Email
Serial
2397372050
Refresh
2h 46m 40s
Retry
40m
Expire
7d
Negative cache TTL
30m
Question and response
Question
dig wl156.sendgrid.net. SOA
Answer
wl156.sendgrid.net. 1800 SOA aisha.ns.cloudflare.com. dns.cloudflare.com. 2397372050 10000 2400 604800 1800
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0