20
records
IPv4 Addresses
TTL
caltech.edu. 300 IN A 52.26.125.194
Name Servers
TTL
NS
Cloudflare
6h
NS
Cloudflare
6h
caltech.edu. 21600 IN NS ns0090.secondary.cloudflare.com. caltech.edu. 21600 IN NS ns0239.secondary.cloudflare.com.
Mail Servers
TTL
MX
Cisco IronPort
10
1h
MX
Cisco IronPort
10
1h
caltech.edu. 4404 IN MX 10 mx2.caltech.iphmx.com. caltech.edu. 4404 IN MX 10 mx1.caltech.iphmx.com.
SOA Details
TTL
SOA
Primary NS
Responsible
hostmaster.caltech.edu
0m
Serial
2022896989
0m
Times
Refresh
3h
Retry
1h
Expire
30d
Minimum TTL
15m
caltech.edu. 900 IN SOA ns0090.secondary.cloudflare.com. hostmaster.caltech.edu. 2022896989 10800 3600 2592000 900
DMARC
TTL
DMARC
Policy
none
6h
Subdomain Policy
Percentage
100
0m
RUA
RUF
caltech.edu. 21600 IN DMARC v=DMARC1; p=none; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected];
Text Content
TTL
TXT
SPF
v=spf1 ip4:131.215.0.0/16 ip4:134.4.0.0/16 ip4:192.100.16.0/24 ip4:198.129.208.0/23 ip4:208.69.128.0/22 ip4:199.188.184.0/22 ip4:198.202.125.128/25 include:spf.protection.outlook.com include:sendgrid.net include:mktomail.com include:spf.dynect.net include:cust-spf.cashnet.com include:amazonses.com include:_spf.createsend.com include:_s0.caltech.edu ?all
1h
TXT
1Password
1password-site-verification=VRLN67QMNNEPXIIREL6TDZABF4
1h
TXT
Microsoft
MS=ms43712753
1h
TXT
Zoom
ZOOM_verify_a-Gb5-aqQgygEiKsnho63w
1h
TXT
Adobe
adobe-idp-site-verification=1e150df049a820e49156727d1b84c48a1ae11f66f87ad76d2cf30cb9d378acb6
1h
TXT
Apple
apple-domain-verification=KD7b3wNXe76BHRAV
1h
TXT
—
Y84qDmmAIPozyUoBIRWmXsFltoU2Pl8b8WGKPlqgz+1t5Db4z9H5ngaaCTq3TTaOK+SCPYUsGVlGn0wUzXNdow==
1h
TXT
—
amazonses:CBaUu/J2wBFtHuO9isUzHAXTnIWcN5RyPUBvggu7SNE=
1h
TXT
—
amazonses:X9y0RbFXXvxu3ft83xg2e+YV++OUePTUSeCOdB3Chjg=
1h
TXT
—
iContact1389932
1h
caltech.edu. 3600 IN TXT "v=spf1 ip4:131.215.0.0/16 ip4:134.4.0.0/16 ip4:192.100.16.0/24 ip4:198.129.208.0/23 ip4:208.69.128.0/22 ip4:199.188.184.0/22 ip4:198.202.125.128/25 include:spf.protection.outlook.com include:sendgrid.net include:mktomail.com include:spf.dynect.net include:cust-spf.cashnet.com include:amazonses.com include:_spf.createsend.com include:_s0.caltech.edu ?all" caltech.edu. 3600 IN TXT "1password-site-verification=VRLN67QMNNEPXIIREL6TDZABF4" caltech.edu. 3600 IN TXT "MS=ms43712753" caltech.edu. 3600 IN TXT "ZOOM_verify_a-Gb5-aqQgygEiKsnho63w" caltech.edu. 3600 IN TXT "adobe-idp-site-verification=1e150df049a820e49156727d1b84c48a1ae11f66f87ad76d2cf30cb9d378acb6" caltech.edu. 3600 IN TXT "apple-domain-verification=KD7b3wNXe76BHRAV" caltech.edu. 3600 IN TXT "Y84qDmmAIPozyUoBIRWmXsFltoU2Pl8b8WGKPlqgz+1t5Db4z9H5ngaaCTq3TTaOK+SCPYUsGVlGn0wUzXNdow==" caltech.edu. 3600 IN TXT "amazonses:CBaUu/J2wBFtHuO9isUzHAXTnIWcN5RyPUBvggu7SNE=" caltech.edu. 3600 IN TXT "amazonses:X9y0RbFXXvxu3ft83xg2e+YV++OUePTUSeCOdB3Chjg=" caltech.edu. 3600 IN TXT "iContact1389932"