challenge.fyi

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SOA

Start of Authority

Primary NS
Mailbox
dns.cloudflare.com
Serial
2404371082
Refresh
10000
Retry
2400
Expire
604800
Minimum TTL
1800
NS

Nameservers

MX

Mail Exchangers

TXT

TXT Records

protonmail-verification=d521b0712e7465c4a4a9fb4847d25ebb01834377
v=spf1 include:_spf.protonmail.ch ~all
A

IPv4 Addresses

AAAA

IPv6 Addresses