DNS Report: langchain.com

Generated: 2026-08-09T07:16:38-05:00

77/100

Diagnostics

StatusCheckPointsDetails
OKIPv4 (A)30/301 IPv4 address(es) detected.
ERRORIPv6 (AAAA)0/100 IPv6 address(es) detected.
OKName server redundancy20/204 NS record(s); 2 or more required.
OKSOA record10/10Authoritative zone record.
OKDNSSEC chain15/15DS and DNSKEY detected.
OKCAA policy5/5Certificate authority restriction.
OKDNS propagation10/10Agreement between public resolvers.
OKMX records20/201 MX record(s).
OKSPF25/25SPF policy published.
OKDMARC25/25DMARC policy published.
ERRORDKIM0/20No tested DKIM selector responded.
ERRORMTA-STS0/5Mail transport policy.
ERRORTLS-RPT0/5TLS reporting policy.
OKValid TLS certificate55/5550 day(s) remaining.
OKCertificate lifetime10/10Full points require at least 30 days remaining.
WARNINGHTTP security headers8/352 of 9 evaluated headers detected.
ERRORPTR reverse DNS0/30PTR not detected.
WARNINGIPv4 diversity20/35Two or more IPv4 addresses receive full points.
ERRORIPv6 connectivity0/35AAAA 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
198.202.211.1
AAAA
CNAME
MX
1 smtp.google.com.
TXT
"google-site-verification=MZV-DrUglhroyDj0lCk7AP5YOKy4GGEgUaIyLjCXEb8"
"google-site-verification=wUPxN5SwJJSQGceU6cVjpkHI-08DZaqJSlAgg_55nj4"
"xbuvf8ogot"
"google-site-verification=wP16h2Joxep73RW-Hb8fneAizDK4FCn_6a4DnsbOdrM"
"v=spf1 include:_spf.google.com include:242623570.spf06.hubspotemail.net include:servers.mcsv.net ~all"
"google-site-verification=nezqC2hbpeFSFJDIKE_6_ADSKsl4j9dTvwk782NSL9E"
"linkedin-site-verification=f15545d4-d50f-424a-9076-ceebd5e91424"
"google-site-verification=d192uA19ZkwkREu9NZKM9hxDB1t90uIMHp5gFbBBuzw"
"MS=ms60202630"
NS
ns-cloud-c3.googledomains.com.
ns-cloud-c4.googledomains.com.
ns-cloud-c2.googledomains.com.
ns-cloud-c1.googledomains.com.
SOA
ns-cloud-c1.googledomains.com. cloud-dns-hostmaster.google.com. 2 21600 3600 259200 300
CAA
0 issue "sectigo.com"
0 issue "amazon.com"
0 issue "letsencrypt.org"
0 issuewild "sectigo.com"
0 issue "digicert.com; cansignhttpexchanges=yes"
0 issuewild "pki.goog; cansignhttpexchanges=yes"
0 issuewild "letsencrypt.org"
0 issuewild "digicert.com; cansignhttpexchanges=yes"
0 issue "pki.goog; cansignhttpexchanges=yes"
DS
46015 8 2 2DBA2D592D013018C193153068E3B80C7F878F5AE3F5D6F3051E791B 30242CC4
DNSKEY
257 3 8 AwEAAezmQcTlqBrCGj3/9EF7fAPYmrxlG/K0xlyISjhWK4sir6HJpgjT zF6MblKI5EBnBT8YGH09KACS9Xs1zM6BMh/5wrlyxqejMsHuF7Ybhj4Q DMaVQvXLq2B5IZOWe5lzKqoAqCFStnl3Iga2+lo5rJyjXoqBx9Clu2ja MGrpnhuKLtmYRLKbyHCKlVCtX536QmKHjECE/T4fbl52n/jqH8uTA+sz f2uhW3WEAqjq4tfgn74D/crmKv4GlyJydRTmUqqFTK/kbHNtlh6h/kFl cL01ibtpGLG3b1LztE/GaSv3PdJKz5C/hHGEs7BFyteYG6TlK/1iHvtV XOcS8DBfn/0=
256 3 8 AwEAAZ246vZZL/Yjk0eb5Q/cVxfMH9FuxWjNOGGhA1bGdl6iUrWpSzyT 2+SgjwMzD8aeFW3hpf462BbaDQa1/JowYAudUnBG8XQmPS/TtufQqHch R6GWzXZLix6idqhzMJSutgTmflEwERRrEEu/IY0wYTrNATx6XlErpNWm vUFSQ8qT
RRSIG
NS 8 2 21600 20260827111728 20260805111728 57073 langchain.com. YX7Bqt/t0BGSwqSusv8WEW5t9zYxNACiMuFsBBQu8mcMxuY1+34a07G8 xT44TkfiXMJ6wOEkHMVwIV7n3ELrHJ6rAlLORGy/H1xFwPBe9qRFTJUK bqHAF+SKu3DAzbDMsxApEXSuTJ8XDIoaeJ/rSk0l0IPE4kKZ5LFvOeb1 P9w=
A 8 2 300 20260827111728 20260805111728 57073 langchain.com. MjUHh6qPzJ8YKa06EA5+ok3OlQ8hjNr5coyRcirqOiKyDp/qoN/I9Ipe OzP8sY6METVTpGeWTk2FFAkF9I78NFEwc42vbZn/Hh2OK7LIX+t2U5cT a9c12n+XPrS9GuKUTlnuL5SDYxFxctSj6AN3E4YzlpcLNUi+W0vk7WSt 80A=
SOA 8 2 21600 20260827111728 20260805111728 57073 langchain.com. GLfLLToB/obzw78YUH8gGowYCZff/9zyIoqPaLZU+P1dVJI+TWRjytzt sRVEAzV3big3WMrmLSBqIIKpQfyFQgNRVeDIpXgDLFo/g32pvvJbRZYB HQmxoJIi6D3H9lB4NWTJlDp07Pi37A+LbG/IodWMvKTxG+u0GHD/jQtl mPs=
MX 8 2 300 20260827111728 20260805111728 57073 langchain.com. gc0h9LRhHxvqvQxQmQc0XakqqVD3j3kfvksclIysO6n96eE3V/rwk4W8 UjTK2c64b7qAKKf6fa0EcSOen2EKls+ar/h71r39q8/umclPW92fBTh6 YQW/zwf4LDttaDmDOpanqKSns8/hnITbdzRDqG1BfMU/RGvhmnzsfMac jZc=
DNSKEY 8 2 300 20260827111728 20260805111728 46015 langchain.com. ejcAgbGfSodxskCjuMDP97xOGKYVcWQpcXtr4fmsDnqDYzD0d7YIAWbk yLg/snOHc7oqNCeHqoQQtrsIPecFgL97qZI/DBr6r67ATcC91JfeJfAe WsJhvBm3xDm9cP0xBbifqcSljl3WJLgDaTETY+DOW53waPAT/Ce5IoFy QtTMgEsCpOK7Us4nFq8p4bfm167rDy0d/XRACiDbJ2cl0vuatzkJPCWW qo8CynrQ7yFm+pJhmShd1MjJRGQLqzCnEfPiWmhkZ4cZA2zp/K2QNuB2 TbxYo3nORwSIC1gIGwB0OUXQCpwwHHT2BmNA4Rmw/Qw+KaeuIeDyydTB nEqESQ==
TXT 8 2 3600 20260827111728 20260805111728 57073 langchain.com. GCZAceVWssmNE0QvwZA8P3C9meLak7txGnaOYQE0jSFtkRYc0GfoaSuE JG52j4rmaI4v3gfnFxkLyMrpl6yHR30iiVNM/TCKbUX6v36FDnJUGvf/ guSsEckRu8BLIuLLt1q5SjrDY0MZ0oQNET9uf4T4rRHMIHNA0JV8pvxu C28=
DS 13 2 86400 20260815015029 20260808004029 41446 com. /rL9cpID7z3vdJyq36+ZJV+ph9/wIgxNyyPstcbMtbDAo1iO7XF2HyJi d7UfaufzcMy8DMVswurrFx1w5iITMA==
CAA 8 2 300 20260827111728 20260805111728 57073 langchain.com. AdbbLKKGx7Q0dLC5uW7krvqpTtXAmqTpyEU36SEj7H9swJQKCBCrhKVB htiuL1dUqNVU5KT+PeXtOigGb3fOPyLDd+mGtuzKZEWPYBzz3VRt8j+m 5yAXJIs6IZmdCXs37S26a6+p5bT5I+eWZq+vsIzMDy9Thq+NSD91nE8G pME=
CDS 8 2 300 20260827111728 20260805111728 46015 langchain.com. dLbO9/zHBbpTpyFOv0GxUi7rpAjnnMePWaoPLVuVqx7GDi6ceBsp+U6u Odz8gMoT9gBqGY3Ed5SvLamRhmNIYewPN9/Z5Cyr/LojvsmkxISCXFuF 9eT7149IUNMgm/qOjWTZ5guqlFNj9uRZwUTJGmn6neFHS9Xl2FYKQcv/ ctWP21P1QyppqSVqny5XGDR8CoNOyljF9CJFzGYp5ZT8135rbb21MPPW BFpc00tqIs8plsHlYRtqi0RE3pvdINwTI+DaKCqiCXiX++SJALqoCwAB TwhtNIm6qk+CyH3SeBmNa82W0ETH4fkNBgZBH4maWdgGBRgKHBauf/zq b2uKcQ==
NSEC3PARAM 8 2 0 20260827111728 20260805111728 57073 langchain.com. GcNIWQ/x82o8WROzD2PzAjft23w35MGlleik5Ui4H4dSCu/FDVWg63N8 nl3fhwXmzoHyeSqoDRdid+kUASG4da+atUiT7M2H72g0ZhOSkPJ9PghW X0jv6SuCmL8dlHWQCOzwe03Jre8BvWQFFFUPzWY8kWnLAgUIV5z7QsFr HnM=
NSEC
NSEC3
SRV
NAPTR
TLSA
SSHFP