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DNS Report
fsf.org
12 records across the types we query · 87ms · 2026-07-22 01:26 UTC · dns.pizza/lookup/fsf.org
DNS Lookup
fsf.org
Lookup
fsf.org
87ms
2026-07-22 01:26 UTC
12 records
Registrar:
Hosting:
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DNS Records Assistant
· fsf.org
Ask anything about these results — or pick a starter question below.
Explain what each record type does
Anything unusual or misconfigured?
How is this domain's email set up?
A
IPv4 Addresses
1 record
Copy
209.51.188.174
AAAA
IPv6 Addresses
1 record
Copy
2001:470:142:4::a
MX
Mail Servers
1 record
Copy
mail.fsf.org
Prio 10
NS
Name Servers
3 records
Copy
ns1.gnu.org
gnu.org stats
ns2.gnu.org
gnu.org stats
ns4.gnu.org
gnu.org stats
TXT
Text Records
2 records
Copy
libera-asq123s
v=spf1 redirect=gnu.org
SOA
Start of Authority
1 record
Copy
Primary NS
ns1.gnu.org
Hostmaster
hostmaster.gnu.org
Serial
2941144490
Refresh
3600s
Retry
300s
Expire
3600000s
Min TTL
3600s
CAA
Certificate Authority Authorization
2 records
Copy
letsencrypt.org
letsencrypt.org
PTR
Reverse DNS
1 record
Copy
209.51.188.174
www.fsf.org