70
records
IPv4 Addresses
TTL
duke.edu. 300 IN A 152.3.70.87 duke.edu. 300 IN A 152.3.72.243
Name Servers
TTL
duke.edu. 567 IN NS dns-auth-01.oit.duke.edu. duke.edu. 567 IN NS dns-auth-02.oit.duke.edu. duke.edu. 567 IN NS dns-nc1-01.oit.duke.edu.
Mail Servers
TTL
duke.edu. 300 IN MX 10 duke-edu.mail.protection.outlook.com.
SOA Details
TTL
20m
SOA
Responsible
datacom-hostmaster.duke.edu
SOA
Serial
755460851
SOA
Times
Refresh
20m
Retry
3m
Expire
14d
Minimum TTL
1h
duke.edu. 1200 IN SOA dns-auth-01.oit.duke.edu. datacom-hostmaster.duke.edu. 755460851 1200 180 1209600 3600
Certificate Authority Authorization
TTL
No CAA records were returned at this registrable domain name. With no CAA policy, any public certificate authority (CA) may issue TLS certificates for names under this zone unless a parent publishes CAA; add issue / issuewild / iodef records to restrict issuance.
DMARC
TTL
DMARC
Policy
Organizational policy (p): how receivers treat mail that fails aligned DMARC checks — none (monitor only), quarantine (often junk), or reject (block).
none
quarantine
reject
10m
DMARC
Percentage
pct: share of mail that gets quarantine/reject; 100 = all failing messages (default).
100
DMARC
RUA
mailto:[email protected]
mailto:[email protected]
Aggregate DMARC reports (ZIP/XML). Optional but recommended for visibility.
DMARC
RUF
Forensic (per-failure) reports. Often omitted for privacy or volume.
No forensic report URIs (RUF).
duke.edu. 600 IN DMARC v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r; rua=mailto:[email protected],mailto:[email protected]
DKIM
TTL
DKIM
Selector
s1024
v=DKIM1
k=rsa
20m
Public Key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQClO5M8AdT2F036gybq...
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQClO5M8AdT2F036gybq4TAxTqOuH0c41drqlV2xcAk0adPu/m84I2o+C3tDdZmM49r2SNyJMA9s+WGcxEWiac3nzocHzJVRKPg+C3GgeVwaTQhiIrSdZ15W2BCUkqnKEhXkN29ZewGTDLXqkoQ9eH0fisF58sXrUJrCk0B4IklIPQIDAQAB
DKIM
Selector
k3
v=DKIM1
k=rsa
6m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsYGiMSn7fsUq...
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsYGiMSn7fsUqSvfSX40x9R1OlRtbNiCY80lHRIlcKx3XDIR7257aUx+q9CSIARdfTL6KCuLGNFx5g9TgVr6png4ajcieSQGtOehBgxnkDN8aAA5TX0FmFrcefJU0JoxLOF09EKgXxhSSHCk/ekVb0PXSboHXoZ9+EI404F1qhcwXXIgHXTaUthHTut2P6BBZhIXIgvDe/w49GchR7MRJqjNb7neEBbYHbgWuBTvvHCg7Gy6m6n9krYK+ROWq3dVvXy9plAGK3ygM+HtjIiMt7arRGMOF0WgDTz7YdN9BGpt6BvXxLnjiQcgS5T9n+cIyPZgiWzDMXNlaEEdKTEKxrwIDAQAB
DKIM
Selector
selector2
v=DKIM1
k=rsa
20m
Public Key
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDS4lUfc9UZFEOTwyp6...
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDS4lUfc9UZFEOTwyp688vD5KQVMZSkpeaAUquhZ/Cu6gYUgbW5WAozqJwwi7fYSmLXt6Qwl40zIoWIWqDiOwGKwYgdy9TuNrZ5GLl8ASrRkMlPrTuRijkFROvy1H4245xr4X6H11TmSP4Z4i0xvm8EUh1IZia1FIuWyOZAGQLiSQIDAQAB
DKIM
Selector
k2
v=DKIM1
k=rsa
6m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOw...
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA0b90ObWaLDc+i9MtTNmGeWO009hr20fIxhGg6XBT2kjZ1DTThopSe1nAndsupmcBwlQ5Q6LJ+ZAxLcujnPIxM0ZBLmgpkv8u6RfY4eFP8OLvdAW3oSuB0DyLDigQX4Sj8wBO4YIdQH6AAmBeOsidsKAFNFUCpc3vCxtBDR12U+cBg724l3sBkMQ8evnz6idnqxq9QAVYh8k4kJ+RP+6cqTdy7LjIm8xY/bQNpQIpGUAuDo2DjLcCDun9DAI4Q/3z+Q0o9QuQIDAQAB
DKIM
Selector
selector1
v=DKIM1
k=rsa
20m
Public Key
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApd4LlLyegDg0...
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApd4LlLyegDg0rzqjs6M7VTlguOHB5D8YH2IPYpoqzmQfjYpZ0sc/S/v/mXNSdcLti2h8KRLUqZumjwdArVlyp5PWdUtHtsQ8SqZ052lw90vQr5R/j3rbHaaVEW0GZpdLFr1mqeXJorkRhEuxCpHO/m6mKmA7x4Sn6Lw6oblFhzUTRWWluUjw5TLrcUf3QXpbgef1f67FBS3YSic8uatNvOTtkVt1MUdcZPR9B4FcaKFEVtMNy+mePg9td2X+MBn4MdXEQLMWeiaIqwy/e0KLVrFFLDBMrYATmkxI8ni+jRN/EtS53zXnd53AM/L871DgsHrv/JzSAO0ltJUxwy8SSQIDAQAB
duke.edu. 1200 IN DKIM v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQClO5M8AdT2F036gybq4TAxTqOuH0c41drqlV2xcAk0adPu/m84I2o+C3tDdZmM49r2SNyJMA9s+WGcxEWiac3nzocHzJVRKPg+C3GgeVwaTQhiIrSdZ15W2BCUkqnKEhXkN29ZewGTDLXqkoQ9eH0fisF58sXrUJrCk0B4IklIPQIDAQAB duke.edu. 365 IN DKIM v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsYGiMSn7fsUqSvfSX40x9R1OlRtbNiCY80lHRIlcKx3XDIR7257aUx+q9CSIARdfTL6KCuLGNFx5g9TgVr6png4ajcieSQGtOehBgxnkDN8aAA5TX0FmFrcefJU0JoxLOF09EKgXxhSSHCk/ekVb0PXSboHXoZ9+EI404F1qhcwXXIgHXTaUthHTut2P6BBZhIXIgvDe/w49GchR7MRJqjNb7neEBbYHbgWuBTvvHCg7Gy6m6n9krYK+ROWq3dVvXy9plAGK3ygM+HtjIiMt7arRGMOF0WgDTz7YdN9BGpt6BvXxLnjiQcgS5T9n+cIyPZgiWzDMXNlaEEdKTEKxrwIDAQAB; duke.edu. 1200 IN DKIM v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDS4lUfc9UZFEOTwyp688vD5KQVMZSkpeaAUquhZ/Cu6gYUgbW5WAozqJwwi7fYSmLXt6Qwl40zIoWIWqDiOwGKwYgdy9TuNrZ5GLl8ASrRkMlPrTuRijkFROvy1H4245xr4X6H11TmSP4Z4i0xvm8EUh1IZia1FIuWyOZAGQLiSQIDAQAB; duke.edu. 365 IN DKIM v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv2aC2KjGKLOwTweBY5A9RpjsxaBXR9r7OAU6U8/zn92ivImI75naUujWbItRI/QmL1jy5PWGqLwoUA0b90ObWaLDc+i9MtTNmGeWO009hr20fIxhGg6XBT2kjZ1DTThopSe1nAndsupmcBwlQ5Q6LJ+ZAxLcujnPIxM0ZBLmgpkv8u6RfY4eFP8OLvdAW3oSuB0DyLDigQX4Sj8wBO4YIdQH6AAmBeOsidsKAFNFUCpc3vCxtBDR12U+cBg724l3sBkMQ8evnz6idnqxq9QAVYh8k4kJ+RP+6cqTdy7LjIm8xY/bQNpQIpGUAuDo2DjLcCDun9DAI4Q/3z+Q0o9QuQIDAQAB; duke.edu. 1200 IN DKIM v=DKIM1; k=rsa; p=MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEApd4LlLyegDg0rzqjs6M7VTlguOHB5D8YH2IPYpoqzmQfjYpZ0sc/S/v/mXNSdcLti2h8KRLUqZumjwdArVlyp5PWdUtHtsQ8SqZ052lw90vQr5R/j3rbHaaVEW0GZpdLFr1mqeXJorkRhEuxCpHO/m6mKmA7x4Sn6Lw6oblFhzUTRWWluUjw5TLrcUf3QXpbgef1f67FBS3YSic8uatNvOTtkVt1MUdcZPR9B4FcaKFEVtMNy+mePg9td2X+MBn4MdXEQLMWeiaIqwy/e0KLVrFFLDBMrYATmkxI8ni+jRN/EtS53zXnd53AM/L871DgsHrv/JzSAO0ltJUxwy8SSQIDAQAB;
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email
|
|
|
| ~ Softfail | all |
—
|
|
20m
duke.edu. 1200 IN TXT "v=spf1 include:%{i}._ip.%{h}._ehlo.%{d}._spf.vali.email ~all"
MTA-STS
TTL
This hostname does not publish an MTA-STS policy (no v=STSv1 TXT at _mta-sts.<name> and/or no policy at https://mta-sts.<name>/.well-known/mta-sts.txt).
Text Content
TTL
1password-site-verification=Y3VALDXXNFEVBGZLI56XBT6MKY
20m
MS=ms29427067
20m
adobe-idp-site-verification=76438831-136f-42eb-8467-627bcd13bec6
20m
adobe-sign-verification=8c1cf31e238f6042bd9a6e8424ecd7af
20m
airtable-verification=776ba9943f279be2814d0f5b7bf99b5c
20m
airtable-verification=7d15715bf3281d4f6ab41a64ff551dd6
20m
airtable-verification=979478a7fc8cd2102187835add26f443
20m
amazonses:kvjwShx2VuYQZKM31gjyJ9z5IWLmFmkF2BSfMHV5j2I=
20m
anthropic-domain-verification-z8t79x=2ToUeCCwAOnrDzSEM9VxiJHeX
20m
asv=f0db2381d25189259bae9b4f5b96470a
20m
atlassian-domain-verification=JNWA1j8qak7X8iJmucR4XqAsQOwMPSakfcNzpTn0Jc7b8aFxXcjK9cJay68Xqn9b
20m
atlassian-sending-domain-verification=3e62be3c-15a0-4c29-b220-9228dccda4d6
20m
ciscocidomainverification=2d1dd96a4eb257ed827359fa052171ab2c46910868187a2bc9365f496904b651
20m
d365mktkey=9UxytuxfXT7fQ5X2Wqo5UgHrC9MfXzESiUXsydjgVbkx
20m
d365mktkey=DVSS3DGKRQNGACvj4bqW577P8t7hrVqGDWyDQzJFAtwx
20m
e2ma-verification=0dhfb
20m
e2ma-verification=984fb
20m
e2ma-verification=9bjib
20m
e2ma-verification=chxfb
20m
e2ma-verification=d3hfb
20m
e2ma-verification=e8qeb
20m
e2ma-verification=fbqeb
20m
e2ma-verification=fu4
20m
e2ma-verification=jv3cb
20m
e2ma-verification=khq
20m
e2ma-verification=qqqfb
20m
e2ma-verification=rhq
20m
e2ma-verification=ru6fb
20m
e2ma-verification=spmfb
20m
e2ma-verification=sqqfb
20m
e2ma-verification=tqqfb
20m
e2ma-verification=vsg
20m
e2ma-verification=wc0fb
20m
e2ma-verification=yq0fb
20m
facebook-domain-verification=z3gz759ai6md22t5oavjekfy06n11r
20m
google-site-verification=5TXsU4v41p3-uJbMWepQdYbg8ydDm7pZqZpyL43nBec
20m
google-site-verification=Cx538Bo1iba_0Qw1ca-yfo2f0E50HuiB5AzF1oasBOc
20m
google-site-verification=VTUhJp3AMqjMfqUIY6tdlBsNKZLr-E_D0oN0Z96EW_E
20m
google-site-verification=VxNOqXRiTfBZEja2TbHMcwM3i0FcGUitTMxTa9CdXAg
20m
google-site-verification=WyhytImncSxgmBWxa1o1_nGcNS2LuzeYvzApLAE2qVA
20m
google-site-verification=fohuGSMCupMBfLvJ-OqvhaNOUrd4-VJzOA_hUjfM0GQ
20m
jamf-site-verification=2LbyJCbxBoCYL2FzaVVnoA
20m
webexdomainverification.DW7A=3d54276f-7c3e-4b36-82cb-f9283bd66232
20m
webexdomainverification.DW7B=b34c0222-460e-4621-bb5b-7ce6ee15ead2
20m
yahoo-verification-key=m1mvmfsoVrobVlqVWZx2Cp3YBfQa4w4jqe7f1pXZsdg=
20m
TXT
—
00D1I000000nhfJ=1TBcx00000002bK
20m
TXT
—
88n3v2rofr6e5as8nu1tfnq6mg
20m
TXT
—
91TR4AEZ87EVJCSEOKTFQJ1KGWHDG7PQ4T52XL7YQ
20m
TXT
—
VqIKTw/sDnE4e+9lXPalJqYaTtomECjG0+6XKvd2Nhfkaw8aAfgvcZjlAshHEjspbTHBtw4hhkk5X1ITTvdWxw==
20m
TXT
—
coursera-domain-verification=dOLNWQ6sTftvfDnosc2HzaPlo9Fq2JKvoTNk0TrDuQdAoJlCqcvFEumPwWJgHVfn
20m
TXT
—
iContact1053803
20m
TXT
—
iContact1560489
20m
TXT
—
iContact1567195
20m
TXT
—
iContact1673295
20m
TXT
—
iContact1742283
20m
TXT
—
iContact1788229
20m
duke.edu. 1200 IN TXT "1password-site-verification=Y3VALDXXNFEVBGZLI56XBT6MKY" duke.edu. 1200 IN TXT "MS=ms29427067" duke.edu. 1200 IN TXT "adobe-idp-site-verification=76438831-136f-42eb-8467-627bcd13bec6" duke.edu. 1200 IN TXT "adobe-sign-verification=8c1cf31e238f6042bd9a6e8424ecd7af" duke.edu. 1200 IN TXT "airtable-verification=776ba9943f279be2814d0f5b7bf99b5c" duke.edu. 1200 IN TXT "airtable-verification=7d15715bf3281d4f6ab41a64ff551dd6" duke.edu. 1200 IN TXT "airtable-verification=979478a7fc8cd2102187835add26f443" duke.edu. 1200 IN TXT "amazonses:kvjwShx2VuYQZKM31gjyJ9z5IWLmFmkF2BSfMHV5j2I=" duke.edu. 1200 IN TXT "anthropic-domain-verification-z8t79x=2ToUeCCwAOnrDzSEM9VxiJHeX" duke.edu. 1200 IN TXT "asv=f0db2381d25189259bae9b4f5b96470a" duke.edu. 1200 IN TXT "atlassian-domain-verification=JNWA1j8qak7X8iJmucR4XqAsQOwMPSakfcNzpTn0Jc7b8aFxXcjK9cJay68Xqn9b" duke.edu. 1200 IN TXT "atlassian-sending-domain-verification=3e62be3c-15a0-4c29-b220-9228dccda4d6" duke.edu. 1200 IN TXT "ciscocidomainverification=2d1dd96a4eb257ed827359fa052171ab2c46910868187a2bc9365f496904b651" duke.edu. 1200 IN TXT "d365mktkey=9UxytuxfXT7fQ5X2Wqo5UgHrC9MfXzESiUXsydjgVbkx" duke.edu. 1200 IN TXT "d365mktkey=DVSS3DGKRQNGACvj4bqW577P8t7hrVqGDWyDQzJFAtwx" duke.edu. 1200 IN TXT "e2ma-verification=0dhfb" duke.edu. 1200 IN TXT "e2ma-verification=984fb" duke.edu. 1200 IN TXT "e2ma-verification=9bjib" duke.edu. 1200 IN TXT "e2ma-verification=chxfb" duke.edu. 1200 IN TXT "e2ma-verification=d3hfb" duke.edu. 1200 IN TXT "e2ma-verification=e8qeb" duke.edu. 1200 IN TXT "e2ma-verification=fbqeb" duke.edu. 1200 IN TXT "e2ma-verification=fu4" duke.edu. 1200 IN TXT "e2ma-verification=jv3cb" duke.edu. 1200 IN TXT "e2ma-verification=khq" duke.edu. 1200 IN TXT "e2ma-verification=qqqfb" duke.edu. 1200 IN TXT "e2ma-verification=rhq" duke.edu. 1200 IN TXT "e2ma-verification=ru6fb" duke.edu. 1200 IN TXT "e2ma-verification=spmfb" duke.edu. 1200 IN TXT "e2ma-verification=sqqfb" duke.edu. 1200 IN TXT "e2ma-verification=tqqfb" duke.edu. 1200 IN TXT "e2ma-verification=vsg" duke.edu. 1200 IN TXT "e2ma-verification=wc0fb" duke.edu. 1200 IN TXT "e2ma-verification=yq0fb" duke.edu. 1200 IN TXT "facebook-domain-verification=z3gz759ai6md22t5oavjekfy06n11r" duke.edu. 1200 IN TXT "google-site-verification=5TXsU4v41p3-uJbMWepQdYbg8ydDm7pZqZpyL43nBec" duke.edu. 1200 IN TXT "google-site-verification=Cx538Bo1iba_0Qw1ca-yfo2f0E50HuiB5AzF1oasBOc" duke.edu. 1200 IN TXT "google-site-verification=VTUhJp3AMqjMfqUIY6tdlBsNKZLr-E_D0oN0Z96EW_E" duke.edu. 1200 IN TXT "google-site-verification=VxNOqXRiTfBZEja2TbHMcwM3i0FcGUitTMxTa9CdXAg" duke.edu. 1200 IN TXT "google-site-verification=WyhytImncSxgmBWxa1o1_nGcNS2LuzeYvzApLAE2qVA" duke.edu. 1200 IN TXT "google-site-verification=fohuGSMCupMBfLvJ-OqvhaNOUrd4-VJzOA_hUjfM0GQ" duke.edu. 1200 IN TXT "jamf-site-verification=2LbyJCbxBoCYL2FzaVVnoA" duke.edu. 1200 IN TXT "webexdomainverification.DW7A=3d54276f-7c3e-4b36-82cb-f9283bd66232" duke.edu. 1200 IN TXT "webexdomainverification.DW7B=b34c0222-460e-4621-bb5b-7ce6ee15ead2" duke.edu. 1200 IN TXT "yahoo-verification-key=m1mvmfsoVrobVlqVWZx2Cp3YBfQa4w4jqe7f1pXZsdg=" duke.edu. 1200 IN TXT "00D1I000000nhfJ=1TBcx00000002bK" duke.edu. 1200 IN TXT "88n3v2rofr6e5as8nu1tfnq6mg" duke.edu. 1200 IN TXT "91TR4AEZ87EVJCSEOKTFQJ1KGWHDG7PQ4T52XL7YQ" duke.edu. 1200 IN TXT "VqIKTw/sDnE4e+9lXPalJqYaTtomECjG0+6XKvd2Nhfkaw8aAfgvcZjlAshHEjspbTHBtw4hhkk5X1ITTvdWxw==" duke.edu. 1200 IN TXT "coursera-domain-verification=dOLNWQ6sTftvfDnosc2HzaPlo9Fq2JKvoTNk0TrDuQdAoJlCqcvFEumPwWJgHVfn" duke.edu. 1200 IN TXT "iContact1053803" duke.edu. 1200 IN TXT "iContact1560489" duke.edu. 1200 IN TXT "iContact1567195" duke.edu. 1200 IN TXT "iContact1673295" duke.edu. 1200 IN TXT "iContact1742283" duke.edu. 1200 IN TXT "iContact1788229"