Zone apex
Start of authority
Email
Serial
2026011500
Refresh
12h
Retry
1h
Expire
7d
Negative cache TTL
1d
Question and response
Question
dig mail.ntua.gr. SOA
Answer
mail.ntua.gr. 86400 SOA achilles.noc.ntua.gr. noc.ntua.gr. 2026011500 43200 3600 604800 86400
Authority
mail.ntua.gr. 86400 NS ulysses.noc.ntua.gr.
mail.ntua.gr. 86400 NS diomedes.noc.ntua.gr.
mail.ntua.gr. 86400 NS achilles.noc.ntua.gr.
Additional
ulysses.noc.ntua.gr. 86400 A 147.102.222.230
achilles.noc.ntua.gr. 86400 A 147.102.222.210
diomedes.noc.ntua.gr. 86400 A 147.102.222.220
ulysses.noc.ntua.gr. 86400 AAAA 2001:648:2000:de:0:0:0:230
achilles.noc.ntua.gr. 86400 AAAA 2001:648:2000:de:0:0:0:210
diomedes.noc.ntua.gr. 600 AAAA 2001:648:2000:de:0:0:0:220
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0