DNS records for duolingo.com
A records
[
{
"type": "A",
"value": "34.225.78.173"
},
{
"type": "A",
"value": "34.230.251.88"
}
]MX records
[
{
"type": "MX",
"exchange": "aspmx.l.google.com",
"priority": 10
},
{
"type": "MX",
"exchange": "alt1.aspmx.l.google.com",
"priority": 20
},
{
"type": "MX",
"exchange": "aspmx5.googlemail.com",
"priority": 30
},
{
"type": "MX",
"exchange": "aspmx4.googlemail.com",
"priority": 30
},
{
"type": "MX",
"exchange": "aspmx3.googlemail.com",
"priority": 30
},
{
"type": "MX",
"exchange": "aspmx2.googlemail.com",
"priority": 30
},
{
"type": "MX",
"exchange": "alt2.aspmx.l.google.com",
"priority": 20
}
]NS records
[
{
"type": "NS",
"value": "ns-247.awsdns-30.com"
},
{
"type": "NS",
"value": "ns-1117.awsdns-11.org"
},
{
"type": "NS",
"value": "ns-1020.awsdns-63.net"
},
{
"type": "NS",
"value": "ns-1904.awsdns-46.co.uk"
}
]TXT records
[
{
"type": "TXT",
"entries": [
"e622flctk14s3cs3ccdauh8uth"
]
},
{
"type": "TXT",
"entries": [
"aliyun-site-verification=1acfc148-50be-45c8-a021-3c933fc8eff9"
]
},
{
"type": "TXT",
"entries": [
"atlassian-sending-domain-verification=423a5faf-1cfa-4704-a38a-f7adae302dd6"
]
},
{
"type": "TXT",
"entries": [
"stripe-verification=c8d270a115adc8c5a0a84fb24e17b7d05f66aad648d01e86f15548c6d0254ff5"
]
},
{
"type": "TXT",
"entries": [
"slack-domain-verification=iuNWYimCCkEpnistAJvWc4YOZF8izoZ23TCDek0I"
]
},
{
"type": "TXT",
"entries": [
"pardot_208162_*=c15d5cb1b9f31e26058e1f30bda9e5d65c57cfeea37b34af8e1dd88474460e90"
]
},
{
"type": "TXT",
"entries": [
"apple-domain-verification=bMPI889zOgALUenN"
]
},
{
"type": "TXT",
"entries": [
"google-site-verification=975UaH3lkKONB88HjWDDg34p8cdCqyTVSq_KGBAXrmU"
]
},
{
"type": "TXT",
"entries": [
"klaviyo-site-verification=TGmZS7"
]
},
{
"type": "TXT",
"entries": [
"rippling-domain-verification=9692f0635321f04d"
]
},
{
"type": "TXT",
"entries": [
"v=spf1 ip4:100.25.59.11 ip4:205.201.128.0/20 ip4:198.2.128.0/18 ip4:148.105.8.0/21 ip4:52.73.203.75 ip4:52.70.130.33 include:amazonses.com include:_spf.google.com include:_spf.salesforce.com include:mail.zendesk.com include:aspmx.pardot.com ~all"
]
},
{
"type": "TXT",
"entries": [
"klaviyo-site-verification=RKdcF3"
]
},
{
"type": "TXT",
"entries": [
"amazonses:+SIz2NZPqYri3C+PSIyKShZIbuI4rNpbLlES7lmvpu4="
]
},
{
"type": "TXT",
"entries": [
"openai-domain-verification=dv-A4cFxdrYIEodfG6UiQU0qxnT"
]
},
{
"type": "TXT",
"entries": [
"_vg2bua41v8x489g1y55hg3hr4h3qmj0"
]
},
{
"type": "TXT",
"entries": [
"jetbrains-domain-verification=bt8q7duih10l9pmf5fo5yy8wf"
]
},
{
"type": "TXT",
"entries": [
"docker-verification=b4ead4c5-fd66-42a5-a684-8f2e7f4c1417"
]
},
{
"type": "TXT",
"entries": [
"spacelift-domain-verification=519xtPXm"
]
},
{
"type": "TXT",
"entries": [
"anthropic-domain-verification-z4335b=YssTBALPY7K784Sri4FjVHjd3"
]
},
{
"type": "TXT",
"entries": [
"h1-domain-verification=sjPBeaGqQwEe8YhJ3W8JVNJa7WDQFAzc6AHkURoErkh324Yy"
]
},
{
"type": "TXT",
"entries": [
"openai-domain-verification=dv-ieCpefZUqvVQwb8f7o4SlFye"
]
},
{
"type": "TXT",
"entries": [
"MS=ms66530579"
]
},
{
"type": "TXT",
"entries": [
"pardot_208162_*=610bfb45f202232a79db94c298b30d14332a62a6894e695b025fa7949d7b03fa"
]
}
]SOA records
[
{
"type": "SOA",
"nsname": "ns-1020.awsdns-63.net",
"hostmaster": "awsdns-hostmaster.amazon.com",
"serial": 1,
"refresh": 7200,
"retry": 900,
"expire": 1209600,
"minttl": 86400
}
]What does this mean?
These records are pulled live from authoritative DNS at request time and re-validated daily. Use them to debug routing, deliverability, and TLS issues for duolingo.com.
Related tools: DNS Lookup · SPF Checker · DMARC Lookup