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DNS.pizza
DNS Report
kernel.org
15 records across the types we query · 313ms · 2026-07-21 21:10 UTC · dns.pizza/lookup/kernel.org
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kernel.org
Lookup
kernel.org
313ms
2026-07-21 21:10 UTC
15 records
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Hosting:
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DNS Records Assistant
· kernel.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
172.105.4.254
AAAA
IPv6 Addresses
1 record
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2600:3c04:e001:324:0:1991:8:25
MX
Mail Servers
3 records
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smtp2.kernel.org
Prio 10
smtp1.kernel.org
Prio 10
smtp3.kernel.org
Prio 10
NS
Name Servers
6 records
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ns31.constellix.com
constellix.com stats
ns21.constellix.com
constellix.com stats
ns11.constellix.com
constellix.com stats
ns61.constellix.net
constellix.net stats
ns51.constellix.net
constellix.net stats
ns41.constellix.net
constellix.net stats
TXT
Text Records
2 records
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google-site-verification=nb4Wx5xBQM3b-a3OV2KSlPL786714Y7M6GfBtJf1opQ
v=spf1 include:_spf.kernel.org ~all
SOA
Start of Authority
1 record
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Primary NS
ns11.constellix.com
Hostmaster
dns.constellix.com
Serial
2015014864
Refresh
43200s
Retry
3600s
Expire
1209600s
Min TTL
180s
CAA
Certificate Authority Authorization
(none)
PTR
Reverse DNS
1 record
Copy
172.105.4.254
tor.source.kernel.org