Zone apex
Start of authority
Email
Serial
1772223691
Refresh
30m
Retry
15m
Expire
7d
Negative cache TTL
15m
Question and response
Question
dig edu. SOA
Answer
edu. 900 SOA a.edu-servers.net. nstld.verisign-grs.com. 1772223691 1800 900 604800 900
Authority
edu. 172800 NS k.edu-servers.net.
edu. 172800 NS c.edu-servers.net.
edu. 172800 NS h.edu-servers.net.
edu. 172800 NS f.edu-servers.net.
edu. 172800 NS g.edu-servers.net.
edu. 172800 NS a.edu-servers.net.
edu. 172800 NS d.edu-servers.net.
edu. 172800 NS b.edu-servers.net.
edu. 172800 NS l.edu-servers.net.
edu. 172800 NS e.edu-servers.net.
edu. 172800 NS m.edu-servers.net.
edu. 172800 NS j.edu-servers.net.
edu. 172800 NS i.edu-servers.net.
Additional
k.edu-servers.net. 172800 A 192.52.178.30
k.edu-servers.net. 172800 AAAA 2001:503:d2d:0:0:0:0:30
c.edu-servers.net. 172800 A 192.26.92.30
c.edu-servers.net. 172800 AAAA 2001:503:83eb:0:0:0:0:30
h.edu-servers.net. 172800 A 192.54.112.30
h.edu-servers.net. 172800 AAAA 2001:502:8cc:0:0:0:0:30
f.edu-servers.net. 172800 A 192.35.51.30
f.edu-servers.net. 172800 AAAA 2001:503:d414:0:0:0:0:30
g.edu-servers.net. 172800 A 192.42.93.30
g.edu-servers.net. 172800 AAAA 2001:503:eea3:0:0:0:0:30
a.edu-servers.net. 172800 A 192.5.6.30
a.edu-servers.net. 172800 AAAA 2001:503:a83e:0:0:0:2:30
d.edu-servers.net. 172800 A 192.31.80.30
d.edu-servers.net. 172800 AAAA 2001:500:856e:0:0:0:0:30
b.edu-servers.net. 172800 A 192.33.14.30
b.edu-servers.net. 172800 AAAA 2001:503:231d:0:0:0:2:30
l.edu-servers.net. 172800 A 192.41.162.30
l.edu-servers.net. 172800 AAAA 2001:500:d937:0:0:0:0:30
e.edu-servers.net. 172800 A 192.12.94.30
e.edu-servers.net. 172800 AAAA 2001:502:1ca1:0:0:0:0:30
m.edu-servers.net. 172800 A 192.55.83.30
m.edu-servers.net. 172800 AAAA 2001:501:b1f9:0:0:0:0:30
j.edu-servers.net. 172800 A 192.48.79.30
j.edu-servers.net. 172800 AAAA 2001:502:7094:0:0:0:0:30
i.edu-servers.net. 172800 A 192.43.172.30
i.edu-servers.net. 172800 AAAA 2001:503:39c1:0:0:0:0:30
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0