DNS records for nih.gov
A records
[
{
"type": "A",
"value": "156.40.212.210"
}
]MX records
[
{
"type": "MX",
"exchange": "nihcesxwayst06.hub.nih.gov",
"priority": 10
},
{
"type": "MX",
"exchange": "nihcesxwayst03.hub.nih.gov",
"priority": 10
},
{
"type": "MX",
"exchange": "nihcesxway3.hub.nih.gov",
"priority": 10
},
{
"type": "MX",
"exchange": "nihcesxwayst05.hub.nih.gov",
"priority": 10
},
{
"type": "MX",
"exchange": "nihcesxway6.hub.nih.gov",
"priority": 10
},
{
"type": "MX",
"exchange": "nihcesxway5.hub.nih.gov",
"priority": 10
},
{
"type": "MX",
"exchange": "nihcesxwayst04.hub.nih.gov",
"priority": 10
},
{
"type": "MX",
"exchange": "nihcesxway4.hub.nih.gov",
"priority": 10
}
]NS records
[
{
"type": "NS",
"value": "ns.nih.gov"
},
{
"type": "NS",
"value": "ns3.nih.gov"
},
{
"type": "NS",
"value": "ns2.nih.gov"
}
]TXT records
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"entries": [
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"entries": [
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{
"type": "TXT",
"entries": [
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]
},
{
"type": "TXT",
"entries": [
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{
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"entries": [
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]
},
{
"type": "TXT",
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{
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{
"type": "TXT",
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{
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{
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"type": "TXT",
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{
"type": "TXT",
"entries": [
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{
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{
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]
}
]SOA records
[
{
"type": "SOA",
"nsname": "nihblox6.nih.gov",
"hostmaster": "hostmaster.nih.gov",
"serial": 929330,
"refresh": 10800,
"retry": 1080,
"expire": 2592000,
"minttl": 900
}
]CAA records
[
{
"type": "CAA",
"critical": 0,
"tag": "issue",
"value": "identrust.com"
},
{
"type": "CAA",
"critical": 0,
"tag": "issuewild",
"value": "digicert.com"
},
{
"type": "CAA",
"critical": 0,
"tag": "issuewild",
"value": "identrust.com"
},
{
"type": "CAA",
"critical": 0,
"tag": "issue",
"value": "letsencrypt.org"
},
{
"type": "CAA",
"critical": 0,
"tag": "issuewild",
"value": "sectigo.com"
},
{
"type": "CAA",
"critical": 0,
"tag": "issue",
"value": "amazon.com"
},
{
"type": "CAA",
"critical": 0,
"tag": "issuewild",
"value": "letsencrypt.org"
},
{
"type": "CAA",
"critical": 0,
"tag": "issuewild",
"value": "globalsign.com"
},
{
"type": "CAA",
"critical": 0,
"tag": "issue",
"value": "digicert.com"
},
{
"type": "CAA",
"critical": 0,
"tag": "issue",
"value": "entrust.net"
},
{
"type": "CAA",
"critical": 0,
"tag": "issue",
"value": "sectigo.com"
},
{
"type": "CAA",
"critical": 0,
"tag": "issue",
"value": "globalsign.com"
},
{
"type": "CAA",
"critical": 0,
"tag": "issuewild",
"value": "amazon.com"
},
{
"type": "CAA",
"critical": 0,
"tag": "issue",
"value": "godaddy.com"
},
{
"type": "CAA",
"critical": 0,
"tag": "issuewild",
"value": "godaddy.com"
}
]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 nih.gov.
Related tools: DNS Lookup · SPF Checker · DMARC Lookup