20
records
IPv4 Addresses
TTL
caltech.edu. 300 IN A 52.26.125.194
Name Servers
TTL
NS
Cloudflare
43m
NS
Cloudflare
43m
caltech.edu. 2595 IN NS ns0090.secondary.cloudflare.com. caltech.edu. 2595 IN NS ns0239.secondary.cloudflare.com.
Mail Servers
TTL
MX
Cisco IronPort
10
46m
MX
Cisco IronPort
10
46m
caltech.edu. 2795 IN MX 10 mx1.caltech.iphmx.com. caltech.edu. 2795 IN MX 10 mx2.caltech.iphmx.com.
SOA Details
TTL
SOA
Primary NS
Responsible
hostmaster.caltech.edu
0m
Serial
2022896983
0m
Times
Refresh
3h
Retry
1h
Expire
30d
Minimum TTL
15m
caltech.edu. 900 IN SOA ns0090.secondary.cloudflare.com. hostmaster.caltech.edu. 2022896983 10800 3600 2592000 900
DMARC
TTL
DMARC
Policy
none
56m
Subdomain Policy
Percentage
100
0m
RUA
RUF
caltech.edu. 3363 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
46m
TXT
1Password
1password-site-verification=VRLN67QMNNEPXIIREL6TDZABF4
46m
TXT
Microsoft
MS=ms43712753
46m
TXT
Zoom
ZOOM_verify_a-Gb5-aqQgygEiKsnho63w
46m
TXT
Adobe
adobe-idp-site-verification=1e150df049a820e49156727d1b84c48a1ae11f66f87ad76d2cf30cb9d378acb6
46m
TXT
Apple
apple-domain-verification=KD7b3wNXe76BHRAV
46m
TXT
—
Y84qDmmAIPozyUoBIRWmXsFltoU2Pl8b8WGKPlqgz+1t5Db4z9H5ngaaCTq3TTaOK+SCPYUsGVlGn0wUzXNdow==
46m
TXT
—
amazonses:CBaUu/J2wBFtHuO9isUzHAXTnIWcN5RyPUBvggu7SNE=
46m
TXT
—
amazonses:X9y0RbFXXvxu3ft83xg2e+YV++OUePTUSeCOdB3Chjg=
46m
TXT
—
iContact1389932
46m
caltech.edu. 2767 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. 2767 IN TXT "1password-site-verification=VRLN67QMNNEPXIIREL6TDZABF4" caltech.edu. 2767 IN TXT "MS=ms43712753" caltech.edu. 2767 IN TXT "ZOOM_verify_a-Gb5-aqQgygEiKsnho63w" caltech.edu. 2767 IN TXT "adobe-idp-site-verification=1e150df049a820e49156727d1b84c48a1ae11f66f87ad76d2cf30cb9d378acb6" caltech.edu. 2767 IN TXT "apple-domain-verification=KD7b3wNXe76BHRAV" caltech.edu. 2767 IN TXT "Y84qDmmAIPozyUoBIRWmXsFltoU2Pl8b8WGKPlqgz+1t5Db4z9H5ngaaCTq3TTaOK+SCPYUsGVlGn0wUzXNdow==" caltech.edu. 2767 IN TXT "amazonses:CBaUu/J2wBFtHuO9isUzHAXTnIWcN5RyPUBvggu7SNE=" caltech.edu. 2767 IN TXT "amazonses:X9y0RbFXXvxu3ft83xg2e+YV++OUePTUSeCOdB3Chjg=" caltech.edu. 2767 IN TXT "iContact1389932"