DNS Report: columbia.com

Generated: 2026-08-10T13:29:54-05:00

86/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/302 IPv4 address(es) detected.
OKIPv6 (AAAA)10/102 IPv6 address(es) detected.
OKName server redundancy20/206 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
ERRORDNSSEC chain0/15Both DS and DNSKEY are required.
ERRORCAA policy0/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/201 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
OKDKIM20/20A DKIM selector was verified.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/55191 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers19/355 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
OKIPv4 diversity35/35Two or more IPv4 addresses receive full points.
OKIPv6 connectivity35/35AAAA availability.
OKDNS resolution40/40At least one address family must resolve.
OKHTTP response40/40HTTP/2 200
OKHTTPS final URL20/20Final URL uses HTTPS.

DNS Records

TipoValues
A
104.18.68.112
104.18.67.112
AAAA
2606:4700::6812:4470
2606:4700::6812:4370
CNAME
MX
0 columbia-com.mail.protection.outlook.com.
TXT
"cursor-domain-verification-yhjdk8=ESGa9yi7rToxVtg1kPoNBosLx"
"jamf-site-verification=8xwmpY_1toxN3ds0Jpg_3A"
"adobe-idp-site-verification=fe067ffe-0a51-4f92-a489-f6edcf3bb6fb"
"webexdomainverification.ESZP=12dd62ab-b230-401d-a047-c21003ccfd26"
"_dkt2x19pgqzs91115z7ea869hg1j34l"
"teamviewer-sso-verification=17873b49213f4a3181ab0c6cd697ddb9"
"bw=fMTAKpuO9i4MoazozYby6bltj5ZnN1hCyRI9NlPu3dOO"
"atlassian-sending-domain-verification=33e60352-8ce2-4867-9348-bfb0b767a04f"
"google-site-verification=Tr-XLFvPMaIknXf5597Cb06ai4amv5HCIMIdVRDTYNY"
"figma-domain-verification=8bff2d3d21561a8cc6cdb1c5ba603fa9dd545264a7ea87b7503cc0ad010e11fd-1721717707"
"miro-verification=0d8b3cbd075f149e2579d7e8c0fe79edf075f4a6CODE"
"anthropic-domain-verification-j87626=cpUbjxMDvN5ea65w53RSE2lSY"
"gc-ai-domain-verification-92zh48=mEyVxKjtuI5MbIRAusRumoxGW"
"airtable-verification=099df3384f94699900c8e2a7b8707826"
"docusign=61c3b2f7-d0d2-4100-afc1-db9099e0f984"
"atlassian-domain-verification=ggPYKdekKdsncpIm684g7x8BVCU7lFeVccJ7LA4mr6Uw7djwuFVkZ53ML6y5CO87"
"cloudflare_dashboard_sso=d1d48741b7bc6d9e0bad6b42eb113354"
"b47420b292ef17828a0950d3affc8b71cda92324df0701f0c5"
"onetrust-domain-verification=f963d4c5e2624490aff873acaf3bd38f"
"bv-domain-verification=b22f317d40d93dfd186f52dd9b9ddc93d48e0d9bc6f7ccdf73b09433858d562a"
"v=spf1 a:mail.columbia.com include:spf.protection.outlook.com -all"
"00DWB000008NokH=1TBWB0000000KOX"
"paloaltonetworks-site-verification=868c329f657246d726c82430026a35b6bdcc81fffe351d849bcf480329fb9b14"
"reFykRtKkk7iOvKlTteYuhiO+8rzqc2ByMfqY7rw2C6iA8pydrTElLDMqIUdCHHypMxsp2S4sTmBHBDPL/NO3A=="
"1146f980ea784356d44fa8fc04a6f625.columbia.com"
"MS=ms73399519"
"ms-domain-verification=665c5a1e-5209-4af2-ad15-7a2e171115a6"
"google-site-verification=-RZsr136ZpUvZRBRRGQ1zH-SDuhUWZtyiQQFtmGFKjw"
"4a03362e69c43c95a3cc4c173d2edaff005a9ea9cfbbf3247ad8e928b736f9c8"
NS
pdns1.ultradns.net.
pdns5.ultradns.info.
pdns2.ultradns.net.
pdns3.ultradns.org.
pdns6.ultradns.co.uk.
pdns4.ultradns.org.
SOA
pdns1.ultradns.net. domainservices.columbia.com. 2013111971 3600 3600 432000 1800
CAA
DS
DNSKEY
RRSIG
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP